White Rodgers 37 7237A Thermostat User Manual

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Blue 4” Universal Thermostat with  
Automatic Heat/Cool Changeover Option  
Single Stage, Multi-Stage or Heat Pump  
Installation and Operating Instructions for Model:  
Save these instructions for future use!  
Model  
Programming Choice  
Non-Programmable  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS  
CAREFULLY BEFORE INSTALLING OR OPERATING  
THIS CONTROL COULD CAUSE PERSONAL INJURY  
AND/OR PROPERTY DAMAGE.  
1F83-0471  
APPLICATIONS  
THERMOSTAT APPLICATION GUIDE  
1F83-0471 Thermostat  
Description  
Heat Pump (No Aux. or Emergency Heat)  
Heat Pump (with Aux. or Emergency Heat)  
Systems with up to 2 Stages Heat, 2 Stages Cool  
Heat Only Systems (with optional fan switch)  
Millivolt Heat Only Systems – Floor or Wall Furnaces  
Cool Only Systems  
Gas or Oil Heat  
Electric Furnace  
Hydronic (Hot Water) Zone Heat – 2 Wires  
Hydronic (Hot Water) Zone Heat – 3 Wires  
Compressor with Comfort Alert II Module (1F85CA only)  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
SPECIFICATIONS  
Electrical Rating:  
Battery Power.................................................... mV to 30 VAC, NEC Class II, 50/60 Hz or DC  
Input-Hardwire................................................... 20 to 30 VAC  
Terminal Load........................................................... 1.5 A per terminal, 2.5A maximum all terminals combined  
Setpoint Range......................................................... 45° to 90°F (7° to 32°C)  
Rated Differentials:  
Fast  
Med.  
0.6 °F  
1.2 °F  
1.2 °F  
Slow  
Heat (Single Stage/Multi Stage) ........................ 0.4 °F  
Cool (Single Stage/Multi Stage) ........................ 0.9 °F  
Heat Pump......................................................... 0.9 °F  
Aux. Heat........................................................... 0.6 °F  
1.7 °F  
1.7 °F  
1.7 °F  
1.7 °F  
Operating Ambient.................................................... 32° to +105°F (0° to +41°C)  
Operating Humidity................................................... 90% non-condensing max.  
Shipping Temperature Range ................................... -40° to +150°F (-40° to +65°C)  
Dimensions Thermostat............................................ 3-7/8”H x 5-1/8”W x 1-1/4”D  
ATTENTION: MERCURY NOTICE  
This product does not contain mercury.However, this product  
may replace a product that contains mercury.  
CAUTION  
To prevent electrical shock and/or equipment damage,  
disconnect electric power to system at main fuse or  
circuit breaker box until installation is complete.  
!
Mercury and products containing mercury must not be  
discarded in household trash. Do not touch any spilled  
mercury. Wearing non-absorbent gloves, clean up any  
spilled mercury and place in a sealed container. For proper  
disposal of a product containing mercury or a sealed  
container of spilled mercury, place it in a suitable shipping  
container. Refer to www.white-rodgers.com for location to  
send product containing mercury.  
Index  
Installation  
Wiring Connections  
Wiring Diagrams  
Page  
2
2
3
4
5
7
7
Thermostat Quick Reference  
Installer Configuration Menu  
Operating Your Thermostat  
Troubleshooting  
PART NO. 37-7237A  
1117  
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INSTALLATION  
Figure 1 – Battery door shown open  
WARNING  
Thermostat installation and all components of the  
control system shall conform to Class II circuits per  
the NEC code.  
!
“AA” Alkaline Batteries  
Remove Old Thermostat  
A standard heat/cool thermostat consists of three basic parts:  
1. The cover, which may be either a snap-on or hinge type.  
2. The base, which is removed by loosening all captive  
screws.  
3. The switching subbase, which is removed by unscrewing  
the mounting screws that hold it on the wall or adapter  
plate. Before removing wires from old thermostat,  
label each wire with the terminal designation from  
which it was attached. Disconnect the wires from the  
old thermostat one at a time. Do not let wires fall back  
into the wall.  
Thermostat can be powered by system AC power or Battery.  
If  
is displayed, the thermostat is battery powered. If  
is not displayed, thermostat is system powered with optional  
battery back-up. When battery power remaining is approxi-  
mately half, the  
will be displayed. When “Change  
is displayed, install fresh “AA” alkaline batteries immediately.  
For best results, replace all batteries with new premium brand  
alkaline batteries such as Duracell® or Energizer®. We recom-  
mend replacing batteries every 2 years. If the home is going  
to be unoccupied for an extended period (over 3 months) and  
is displayed, the batteries should be replaced before  
leaving. When less than two months of battery life remain, the  
setpoint temperature will offset by 10 degrees (10 degrees  
cooler in Heat mode / 10 degrees warmer in Cool mode). If  
offset occurs, the normal setpoint can be manually reset with  
Installing New Thermostat  
1. Pull the thermostat body off the thermostat base. Forcing  
or prying on the thermostat will cause damage to the unit.  
2. Place base over hole in wall and mark mounting hole  
locations on wall using base as a template.  
or  
. Another offset will occur within two days if batter-  
ies are not replaced.  
3. Move base out of the way. Drill mounting holes. If you  
are using existing mounting holes and the holes drilled  
are too large and do not allow you to tighten base snug-  
ly, use plastic screw anchors to secure the base.  
4. Fasten base snugly to wall using mounting holes shown  
in Figure 2 and two mounting screws. Leveling is for  
appearance only and will not affect thermostat operation.  
5. Connect wires to terminal block on base.  
6. Push excess wire into wall and plug hole with a fire re-  
sistant material (such as fiberglass insulation) to prevent  
drafts from affecting thermostat operation.  
7. Carefully line the thermostat up with the base and snap  
into place.  
Figure 2 – Thermostat base and rear view of thermostat  
Mounting  
Hole  
Mounting  
Hole  
Place Level  
Place Level  
across  
Mounting Tabs  
(for appearance only)  
across  
Mounting Tabs  
(for appearance only)  
Batteries  
2 “AA” alkaline batteries are included with the thermostat.  
To install the batteries, pull the battery door as shown by the  
arrow and lift open. Using the polarity indicated inside the bat-  
tery door, insert the batteries. To close the battery door, swing  
the door down while pulling in the direction of arrow. Once  
fully down, snap the door back into position. To replace the  
batteries, set system to OFF.  
WIRING CONNECTIONS  
Refer to equipment manufacturers’ instructions for specific Refer to figure 3 through 6 for wiring diagram specifications.  
system wiring information. After wiring, see CONFIGURATION  
section for proper thermostat configuration.  
TERMINAL DESIGNATION DESCRIPTIONS  
Terminal  
Terminal  
Designation  
Description  
Designation Description  
L.............. Heat pump malfunction indicator for systems  
with malfunction connection or Comfort Alert signal  
O.............. Changeover valve for heat pump energized  
constantly in cooling  
W/E............Heat Relay/Emergency Heat Relay (Stage 1)  
W2.............2nd Stage Heat (3rd Stage Heat in HP 2)  
G..............Fan Relay  
RH.............Power for Heating  
B.............. Changeover valve for heat pump energized  
constantly in heating  
Y.............. Compressor Relay  
RC.............Power for Cooling  
C ..............Common wire from secondary side of cooling system  
transformer or heat only system transformer  
6...............3 Wire Zone Valve – Energized when no call for Heat  
Y2............. 2nd Stage Compressor  
2
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WIRING DIAGRAMS  
Heat Pump Connections  
HEAT PUMP TYPE 1 (HP 1). Single stage compressor  
system; gas or electric backup.  
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two  
compressor system with gas or electric backup.  
After wiring, see INSTALLER CONFIGURATION section for  
proper thermostat configuration.  
If you do not have a heat pump system, refer to figures 4-6.  
Refer to equipment manufacturers’ instructions for specific  
system wiring information.  
You can configure the thermostat for use with the following  
heat pump systems.  
Figure 3 – Heat Pump Systems  
Jumper  
Jumper  
L
W/E  
O/B  
Y
Y2  
W2  
G
RH  
RC  
C
NOTE: If your system does  
not provide an E connection,  
jumper W2 to W/E to use  
the Auxiliary Heat in the  
Emergency Mode.  
System  
Heat Mode  
2nd Stage.  
Emergency  
Mode 2nd  
Stage  
O
Blower/  
Circulator  
Fan Energized  
on Call for  
Heat or Cool. (Hot)  
Set Elect/Gas Heat  
Option for  
Emergency  
Mode  
No  
Output  
Heat Pump 1  
(HP1)  
Energized in  
Cool Mode  
Fault Indicator  
or System  
Malfunction  
Switch  
Heat and  
Cool Mode  
1st Stage  
Optional*  
24 Volt  
(Com-  
mon)  
Emergency  
Mode  
1st Stage  
24 Volt  
24 Volt  
(Hot)  
Cool  
B
Heat Mode  
3rd Stage.  
Emergency  
Mode 2nd  
Stage  
Energized in  
Heat, Off,  
Emergency  
Mode  
2nd  
Stage  
(Com-  
pressor)  
(Compressor)  
Heat Pump 2  
(HP2)  
* Common connection  
required for fault or  
malfunction indication.  
Comfort Alert II Module  
or Similar System  
Malfunction Module  
NEUTRAL  
120VAC  
24VAC  
HOT  
CLASS II  
TRANSFORMER  
Single Stage and Multi-Stage Connections  
Refer to equipment manufacturers’ instructions for specific  
system wiring information.  
This thermostat is designed to operate a single-transformer  
or two-transformer system.  
SINGLE STAGE (SS 1) gas, oil or electric.  
MULTI-STAGE (MS 2) gas, oil or electric.  
After wiring, see INSTALLER CONFIGURATION section for  
proper thermostat configuration.  
You can configure the thermostat for use with the following  
fossil fuel systems:  
Figure 4 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer  
Jumper  
L
O/B  
W/E  
W2  
G
RH  
C
Y
RC  
Y2  
System  
Single  
Stage 1  
(SS1)  
Blower/  
Circulator  
Fan Energized  
on Call for  
Cool (and  
Heat if  
configured  
for Electric  
Heat)  
* Common connection  
required for fault or  
malfunction indication.  
O
No  
No Output  
Energized Constantly  
in Cool Mode  
Fault  
Indicator  
or  
System  
Malfunction  
Switch  
Output  
Optional*  
24 Volt  
(Com-  
mon)  
Heat  
Mode  
1st Stage  
24 Volt  
(Hot)  
Cool  
24 Volt  
(Hot)  
Heat  
Cool Mode  
1st Stage  
B
Energized Constantly  
in Heat, Off,  
Emergency  
Mode  
Multi-  
Stage 2  
(MS2)  
Cool  
Mode  
2nd  
Heat Mode  
2nd Stage  
Stage  
Comfort Alert II Module  
or Similar System  
NEUTRAL  
24VAC  
HOT  
Malfunction Module  
120VAC  
CLASS II  
TRANSFORMER  
Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers  
Remove Jumper Wire  
between RH & RC  
Jumper  
NOTE: If continuous backlight or  
hardwired power input are desired but  
do not function in both HEAT and COOL  
modes, cut the heating transformer 24V  
wires and tape off. Connect the neutral  
circuit disconnected from the heating  
transformer to the neutral circuit of the  
cooling transformer. Disconnect the wire  
to the RH terminal and install a jumper  
between RH and RC. Depending on  
the system requirements, replace the  
cooling transformer with a 75VA class II  
transformer if needed.  
O/B  
W/E  
G
RH RC  
L
Y
Y2  
W2  
C
System  
Single  
Stage 1  
(SS1)  
O
Blower/  
Circulator  
Fan Energized  
on Call for  
Cool (and  
Heat if  
configured  
for Electric  
Heat)  
No  
Output  
Energized Constantly  
in Cool Mode  
No Output  
Optional  
24 Volt  
(Com-  
mon)  
Fault  
Indicator  
(NOT  
24 Volt 24 Volt  
(Hot) (Hot)  
Heat Cool  
Heat  
Mode  
1st Stage  
Cool Mode  
1st Stage  
B
Energized Constantly  
in Heat, Off,  
Emergency  
Mode  
USED)  
Cool  
Mode  
2nd  
Multi-  
Stage 2  
(MS2)  
Heat Mode  
2nd Stage  
Stage  
NEUTRAL  
24VAC  
HOT  
120VAC  
COOLING  
NEUTRAL  
120VAC  
HEATING  
24VAC  
HOT  
CLASS II  
TRANSFORMER  
CLASS II  
TRANSFORMER  
Figure 6 – 3-Wire (SPDT) Heat Only Zone Valve Wiring  
Jumper  
6
W
G
RH  
C
Y
RC  
System  
Constant  
24 Volt  
(Com-  
mon)  
Single Stage  
3-wire  
Zone Valve  
application  
24 Volt  
(Hot)  
Heat  
(5)  
Closes  
Valve  
(6)  
Opens  
Valve  
(4)  
24 Volt  
(Hot)  
Cool  
Blower/Circulator  
Fan Energized  
NEUTRAL  
24VAC  
HOT  
120VAC  
CLASS II  
TRANSFORMER  
3
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THERMOSTAT QUICK REFERENCE  
Home Screen Description  
Figure 7 – Home Screen Display  
Room  
Setting  
Temperature  
Temperature  
Displays the power level of  
the 2 “AA” batteries:  
Set  
indicates good power level  
indicates batteries at about  
half power. “Change  
” indicates  
batteries are low and should be  
replaced with 2 new premium brand  
“AA” Alkaline batteries.  
SYSTEM  
Heat  
FAN  
Auto  
(See page 2 for more details)  
Menu  
System  
Indicator  
Fan  
Indicator  
Programming and Configuration Items  
Figure 8 – Programming & Configuration Items  
“System On” indicates when heating or cooling stage  
is energized. “+2” flashing indicates when a second  
1
2
12  
13  
stage is energized, +2 not flashing when “Aux” is energized.  
2
The word “Set” indicates the setpoint temperature.  
Mo Tu We Th Fr Sa Su  
Displays “Change Filter” when the system has run  
for the programmed filter time period as a reminder to  
change or clean your filter.  
3
P Date  
Temp  
Set  
11  
7
Save  
Month Call For Service  
Year  
Change  
Filter  
Displays System Mode (Heat, Emer, Auto, Cool, Off)  
in Menu Mode.  
4
3
9
Hold  
1
System On  
Heat Pump  
SYSTEM  
Heat Emer Auto  
Cool Oꢀ Time  
2
Auto Sched  
Cool Savings  
5
Displays Fan Mode (On, Auto) or “Run Sched” in  
Menu Mode.  
10  
8
FAN  
On Auto  
Run Sched  
Run  
Schedule  
Menu  
6
7
8
Displays “Menu”.  
Displays “Save” when Cool SavingsTM is working.  
Displays “Heat Pump” to indicate thermostat is config-  
ured for Heat Pump.  
5
6
4
9
Displays (light bulb) in non-programmable mode.  
“Cool Savings” when in the Cool Mode if Cool Savings  
10  
has been enabled in the menu.  
“Call For Service” indicates a fault in the heating/  
cooling system, it does not indicate a fault in the  
thermostat.  
11  
12  
Flashes “LOC” when keypad lockout is enabled.  
In Configuration Menu, shows screen number. If blank,  
thermostat is earlier model and requires instruction sheet  
37-7149B.  
13  
4
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INSTALLER/CONFIGURATION MENU  
To enter the Configuration Menu, SYSTEM must be set to HEAT, COOL or EMER. Press the Menu button for at least 5  
seconds. The display will show item #1 in the table below. Press Menu button to advance to the next menu item. Press  
to change a menu item.  
or  
INSTALLER/CONFIGURATION MENU  
MENU  
SCREEN  
NUMBER  
DISPLAYED  
Press  
to select from listed  
options  
or  
MS/ PRESS  
HP SS BUTTON  
(FACTORY DEFAULT)  
COMMENTS  
01  
MENU  
(Off)  
Lk  
L
Total Keypad lockout  
(Not available on earlier models)  
02  
03  
MENU  
MENU  
(000) Lk  
(MS 2)  
001 to 999  
Selects Keypad lockout combination number  
HP 1, HP 2, SS 1  
Selects Multi-Stage (MS 2 No Heat Pump),  
Heat Pump 1 (HP 1, 1 compressor), or  
Single Stage (SS 1), Heat Pump 2 (HP 2,  
2 compressor or 2 speed compressor)  
04  
05  
MENU (GAS) for SS or MS  
(ELE) for HP  
ELE or  
GAS  
GAS setting: furnace controls the blower  
ELE setting: thermostat controls the blower  
MENU  
(0) CS  
1, 2, 3, 4, 5, 6  
Selects Cool Savings  
Value 1 (low) to 6 (high),  
Value 0 Disables Feature  
06  
07  
08  
09  
MENU  
MENU  
MENU  
MENU  
(ME)  
CR Heat  
SL, FA  
Adjustable Anticipation:  
Selects heating cycle rate for MS or SS  
(ME)  
CR Cool  
Adjustable Anticipation:  
Selects cool cycle rate  
SL, FA  
SL, FA  
SL, FA  
(ME)  
CR Heat Pump  
Adjustable Anticipation (Heat Pump) (only  
when heat pump selected in #1)  
(FA)  
CR Emer  
Selects the cycle rate for Emergency  
mode and Auxiliary stage if Heat Pump  
is selected in item 1.  
SL  
10  
11  
MENU  
MENU  
(OFF) CL  
CL On  
Compressor Lockout Time Delay  
Heat Auto  
Cool Off  
Heat Cool Off,  
Heat Off with Fan icon,  
Heat Off without Fan icon,  
Cool Off, Auto Off  
Select System Switch Configuration  
with Automatic Changeover capability.  
12  
13  
MENU  
MENU  
(On) dL  
0
dL OFF  
Selects Display Light On or OFF  
1 HI, 2 HI, 3 HI, 4 HI,  
Adjustable Ambient Temperature Display  
(current temperature) 1 LO, 2 LO, 3 LO, 4 LO  
14  
MENU  
Selects Fahrenheit/Celsius  
Temperature Display  
°F  
°C  
15  
16  
17  
MENU  
MENU  
(90) L Heat  
(45) L Cool  
(On) Heat FA  
L 62 to L 89  
L 46 to L 82  
OFF  
Selects Limited HEAT Range  
Selects Limited COOL Range  
MS MENU  
Fast Heat option may be disabled by  
selecting OFF. NA to SS config.  
NA to Cool only system.  
18  
19  
HP2  
MENU  
MENU  
(On) Cool FA  
(OFF) CA  
OFF  
On  
Fast Cool option may be disabled by  
selecting OFF. NA to SS config.  
NA to Heat only system.  
Selects active Comfort Alert On or OFF.  
Requires CA II Module.  
(Not available on earlier models)  
20  
21  
MENU (OFF) Change Filter  
MENU (200 h) Change Filter  
On  
Selects Filter Change-out Indicator On or OFF.  
25-1975 h  
Change Filter time in 25 hour increments. This  
menu only appears if On is selected in above.  
22  
MENU  
(o) Cool On  
(b) Heat On  
Selects operation of the reversing valve termi-  
nal (O/B) output as an O or B terminal.  
5
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INSTALLER/CONFIGURATION MENU  
1 & 2)Keypad Lockout – This menu selection will display  
“Lk” and “OFF” (default, keypad not locked out). The  
If “Save” is not displayed and this feature is OFF, no  
change will occur when the cooling system is continu-  
ously running during periods of high demand.  
and  
are used to toggle the selection between  
“OFF” and L(keypad locked out). When the keypad  
lockout selection is enabled L, and the MENU button  
is pressed again, the display will indicate the number  
“0” (default, still disabled) in the time digits. The  
6, 7, 8 & 9) Cycle Rate Selection – The factory default set-  
ting for Heat and Cool modes, SS1, MS2, is medium  
cycle (ME). For Heat Pump, HP1, HP2, the default set-  
ting is medium (ME). For Emer (Aux) the default setting  
and  
are used to set the combination number from 0  
is fast cycle (FA). To change cycle rate, press the  
key.  
Cycle rate differentials for different settings are:  
or  
to 999. If a combination of 0 is selected and the MENU  
button is pressed, the menu will be exited and keypad  
will not be locked. If 1 to 999 is selected and the MENU  
button is pressed, the combination is stored into memory  
and the menu is exited. The “Loc” will display designat-  
ing keypad locked with a valid combination. The SYSTEM  
button will operate for 10 seconds after the menu mode  
is exited to allow the user to change the mode from OFF  
to the desired SYSTEM mode.  
Fast  
FA  
Medium Slow  
MODE  
ME  
SL  
Heat (SS1, MS2)  
Cool (SS1, MS2)  
Heat Pump (HP1, HP2)  
Emer (HP1, HP2)  
0.4°F  
0.9°F  
0.9°F  
0.6°F  
0.6°F  
1.2°F  
1.2°F  
-
1.7°F  
1.7°F  
1.7°F  
1.7°F  
While the keypad is locked out, a press of MENU will en-  
ter the configuration menu. The first menu item displayed  
10) Select Compressor Lockout CL OFF or ON – Select-  
ing CL ON will cause the thermostat to wait 5 minutes  
between cooling cycles. This is intended to help protect  
the compressor from short cycling. Some newer com-  
pressors already have a time delay built in and do not  
require this feature.Your compressor manufacturer can  
tell you if the lockout feature is already present in their  
system. When the thermostat compressor time delay oc-  
curs, it will flash the setpoint for up to five minutes.  
11) System Mode Configuration – This thermostat is  
configured for Heat and Cool (SYSTEM switch with Cool,  
Off, Heat) default. It can also be configured for Heat and  
Cool with Auto changeover (Heat, Auto, Cool, Off), Heat  
only with fan (Off, Heat), Heat only without fan, Auto only  
(Auto, Off), and Cool only (Cool, Off).  
12) Select Backlight Display – The display backlight im-  
proves display contrast in low lighting conditions. When  
the “C” terminal is powered, selecting backlight CdL ON  
will keep the light on continuously. Select backlight OFF  
will turn the light on momentarily after any key is pressed.  
When the “C” terminal is not powered, the light will be on  
momentarily after any key is pressed no matter whether  
the backlight is selected ON or OFF.  
13) Select Temperature Display Adjustment 4 LO to 4 HI  
– Allows you to adjust the room temperature display up  
to 4° higher or lower.Your thermostat was accurately cali-  
brated at the factory, but you have the option to change  
the display temperature to match your previous thermo-  
stat. The current or adjusted room temperature will be  
displayed.  
is the combination code “0”. The  
or  
keys are  
used to set the combination unlock number from 0 to  
999. If the unlock number matches exactly with the com-  
bination lock number stored in memory when the MENU  
button is pressed, the keypad is unlocked and the “Loc”  
is removed. If the unlock number does not match when  
the MENU button is pressed, the combination returns to  
“0” for another attempt to set the unlock code. To exit the  
menu, without unlocking the keypad, press RUN SCHED.  
To reset the combination code and unlock the keypad if  
the code is forgotten, see troubleshooting section.  
3) This control can be configured for:  
MS 2 – Multi-Stage System (no heat pump)  
HP 1 – Heat Pump with one stage of compressor  
HP 2 – Heat Pump with two stage compressor or two  
compressor system, Gas or Electric backup  
SS 1 – Single Stage System  
4) GAS or Electric (ELE) fan operation. If the heating sys-  
tem requires the thermostat to energize the fan, select  
ELE. Select GAS if the heating system energizes the fan  
on a call for heat.  
5) Select Cool Savings™ value – Selects the amount  
of adjustment for the Cool Savings™ feature in Cool  
mode with 1 (1°) being the least amount of adjustment  
and 6 (6°) being the most amount of adjustment. Default  
value is 0 which disables this feature. Selecting a value  
greater than 0 will display Cool Savings on the screen  
and enable the key for Cool Savings feature. Cool Sav-  
ings is an optional energy saving feature that can reduce  
your cooling costs. It is based on the principal that lower  
indoor humidity makes a slightly higher temperature  
feel more comfortable. Cool Savings operates during  
periods of high demand which normally occur on the  
hottest summer days when a cooling system may run  
for hours to reach the thermostat setting. Long cooling  
run times also lower the indoor humidity. Cool Savings,  
very slowly, adjusts the setpoint temperature to make the  
setpoint closer to the displayed room temperature, to a  
maximum of the number of degrees you select. Adjust-  
ing the setpoint temperature over a long cooling run time  
allows the system to reach your set temperature and turn  
off. The room temperature will actually be higher than  
the thermostat displays but the reduction in humidity will  
allow comfort at the slightly higher temperature.  
14) Select F° or C° Readout – Changes the display readout  
to Celsius or Fahrenheit as required.  
15 & 16) Temperature Limit Range Heat or Cool – This  
selection sets the maximum HEAT (13) or minimum  
COOL (14) temperature for the setpoint range. Select the  
limit temperature using the  
or  
keys. In the Run  
Schedule mode, the setpoint temperature will not adjust  
past the limit temperature selected. When the limit tem-  
perature is reached, trying to raise or lower the setpoint  
past the limit will cause “Lto be displayed in the times  
digits for about 6 seconds. This feature is not available on  
earlier models.  
17 & 18) Select Fast Second Stage ON or OFF – Heat  
pump or Multi-stage only, in the run mode, with the fast  
Heat feature enabled (FA Heat On), if the Heat setpoint  
temperature is manually raised by 3°F (2°C) or more  
above the actual temperature using  
the second  
To turn this feature on in the Cool mode press Cool  
Savings. The display will show “Save” next to the  
setpoint temperature. When Cool Savings is making ad-  
justments to the room temperature display “Save” will be  
flashing and the displayed room temperature may vary  
within the adjustment range you selected.  
stage will energize immediately. With FA OFF, second  
stage will not energize until the setpoint temperature is  
1°F or more above actual temperature for more than ten  
minutes. The Fast Cool feature (FA Cool) provides the  
same controls when the setpoint temperature is lowered.  
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INSTALLER/CONFIGURATION MENU  
19) Comfort Alert with Active Protection Turn this  
feature ON to enable active protection. This allows the  
thermostat to identify fault codes sent by the Comfort  
Alert module when compressor damage is possible and  
react to those codes by turning the compressor off. Fault  
codes from the Comfort Alert module will flash on the  
thermostat. (Refer to Comfort Alert Yellow Alert Codes  
in Troubleshooting section.) If a Comfort Alert module is  
not connected, or to disable active protection, turn this  
feature OFF. If a Comfort Alert module is connected and  
this feature is turned OFF, the thermostat will still receive  
and flash the fault codes from the Comfort Alert module,  
but the active protection will not be enabled to protect the  
compressor.  
period from 25 to 1975 hours in 25 hours increments.  
In a typical system, 200 hours (default) of run time is  
approximately 30 days. After the selected time of blower  
operation, the thermostat will display “Change Filter”  
as a reminder to change or clean your air filter. When  
“Change Filter” is displayed, press MENU or RUN  
SCHED button to clear the display and restart the time to  
the next filter change.  
22) Select Reversing Valve Output – The O/B option is  
factory set at “O” position. This will accommodate the  
majority of heat pump applications, which require the  
changeover relay to be energized in COOL. If the  
thermostat you are replacing or the heat pump being  
installed with this thermostat requires a “B” terminal, to  
energize the changeover relay in HEAT, the O/B option  
should be set at “B” position.  
20 & 21) Select Filter Replacement Reminder and Set  
Run Time – Select the “Change Filter” reminder On  
or OFF. If selected On, press MENU to select the time  
OPERATINGYOUR THERMOSTAT  
IMPORTANT!  
Choose the Fan Setting (Auto or On)  
Press the FAN button to Auto or On.  
Fan Auto is the most commonly selected setting and runs the  
fan only when the heating or cooling system is on.  
Fan On runs the fan continuously for increased air circulation  
or to allow additional air cleaning.  
Second Stage Time Delay  
Your thermostat is designed to determine the optimum time  
to activate the second stage. Simply raising the temperature  
in heating or lowering it in cooling will not always force the  
thermostat to bring the second stage on quickly. There is a  
time delay from 0-30 minutes depending on the performance  
of the first stage of the system.  
Choose the System Setting  
(Heat, Off, Cool, Auto, Emer)  
Press the SYSTEM button to select:  
EXAMPLE: For the last 2 hours the thermostat is set on 70°  
and the room temperature is 70° with the equipment using  
only the first stage of heat. Since the equipment is keeping  
the temperature within 1° of setpoint, the thermostat will  
delay second stage for a longer time if you manually raise the  
temperature or if the room temperature quickly changes. Once  
the second stage comes on, it will come on sooner the next  
time there is a difference between the setpoint and the room  
temperature.The net effect of the staging program is that when  
the first stage is capable of making temperature the second  
stage will delay longer. When the thermostat calculates that  
first stage cannot make temperature in a reasonable time,  
the second stage will come on sooner. This built in function  
automatically optimizes the use of additional stages of heat  
or cool.  
Heat: Thermostat controls only the heating system.  
Off: Heating and Cooling systems are off.  
Cool: Thermostat controls only the cooling system.  
Auto: Auto Changeover is used in areas where both heating  
and cooling may be required on the same day. AUTO allows  
the thermostat to automatically select heating or cooling  
depending on the indoor temperature and the selected heat  
and cool temperatures. When using AUTO, be sure to set the  
Cooling temperatures more than 1° Fahrenheit higher than  
the heating temperature.  
Emer: (Heat Pump models) Thermostat controls only backup  
heating system.  
Manual Operation for Non-Programmable Mode  
Press the SYSTEM button to select Heat or Cool and use  
the  
or  
buttons to adjust the temperature to your  
desired setting. After selecting your desired settings you can  
also press the SYSTEM button to select AUTO to allow the  
thermostat to automatically change between Heat and Cool.  
TROUBLESHOOTING  
Comfort Alert Codes  
Comfort AlertYellow Alert Codes  
The Comfort Alert diagnostics product monitors the air con-  
ditioning outdoor systems with single phase Copeland Scroll  
compressors. Abnormal system and electrical conditions are  
indicated by flashing ALERT codes on the yellow LED on the  
Comfort Alert module. The flash codes are transmitted to the  
thermostat by the Comfort Alert Thermostat interface module.  
The Comfort Alert compatible thermostat displays “Call For  
Service” that flashes at the same rate as the yellow LED on  
the Comfort Alert module.  
1 Flash  
Long run time  
2 Flashs System pressure trip  
3 Flashs Short cycling  
4 Flashs Locked rotor  
5 Flashs Open circuit  
6 Flashs Open start circuit  
7 Flashs Open run circuit  
8 Flashs Welded Contactor  
9 Flashs Low voltage  
7
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TROUBLESHOOTING  
Reset Operation  
function correctly contact your heating/cooling service person  
or place of purchase.  
Note: When thermostat is reset, installer configuration menu  
settings and programming will reset to factory settings.  
If a voltage spike or static discharge blanks out the display  
or causes erratic thermostat operation, you can reset the  
thermostat by removing the wires from terminals R and C  
(do not short them together) and removing batteries for 2  
minutes. After resetting the thermostat, replace the wires and  
batteries. If the thermostat has been reset and still does not  
Note: Be sure to review the installer configuration menu  
settings.  
To reset the programming, clock and configuration settings,  
press  
and  
and the FAN button simultaneously. The  
thermostat should go blank and then all segments will be  
displayed momentarily.  
Symptom  
Possible Cause  
Correction Action  
No Heat/No Cool/No Fan  
(common problems)  
1. Blown fuse or tripped circuit breaker.  
2. Furnace power switch to OFF.  
Replace fuse or reset breaker.  
Turn switch to ON.  
3. Furnace blower compartment door or panel Replace door panel in proper position to engage safety  
loose or not properly installed. interlock or door switch.  
4. Loose connection to thermostat or system. Tighten connections.  
No Heat  
1. Pilot light not lit.  
Re-light pilot.  
2. Furnace Lock-Out Condition. Heat  
may also be intermittent.  
Many furnaces have safety devices that shut down when  
a lock-out condition occurs. If the heat works intermittently  
contact the furnace manufacturer or local HVAC service  
person for assistance.  
3. Heating system requires service or  
thermostat requires replacement.  
Diagnostic: Set SYSTEM Switch to HEAT and raise the  
setpoint above room temperature. Within a few seconds  
the thermostat should make a soft click sound. This sound  
usually indicates the thermostat is operating properly. If the  
thermostat does not click, try the reset operation listed above.  
If the thermostat does not click after being reset contact your  
heating and cooling service person or place of purchase for  
a replacement. If the thermostat clicks, contact the furnace  
manufacturer or a HVAC service person to verify the heating  
is operating correctly.  
No Cool  
1. Cooling system requires service or  
thermostat requires replacement.  
Same as diagnostic for No Heat condition except set the  
thermostat to COOL and lower the setpoint below the room  
temperature. There may be up to a five minute delay before  
the thermostat clicks in Cooling.  
1. Possible short in wiring.  
Check each wire connection to verify they are not shorted or  
touching together. No bare wire should stick out from under  
terminal block. Try resetting the thermostat as described  
above. If the condition persists the manufacturer of your  
system or service person can instruct you on how to test  
the Heat/Cool system for correct operation. If the system  
operates correctly, replace the thermostat.  
Heat, Cool or Fan  
Runs Constantly  
2. Possible short in thermostat.  
3. Possible short in heat/cool/fan system.  
4. FAN Switch set to Fan ON.  
Thermostat Setting &  
Thermostat Thermometer  
Disagree  
1. Thermostat thermometer setting  
requires adjustment.  
The thermometer can be adjusted +/- 4 degrees. See  
Temperature Display Adjustment in the Configuration Menu  
section.  
Furnace (Air Conditioner) 1. The location of the thermostat and/or  
Digital thermostats provide precise control and cycle faster  
than older mechanical models. The system turns on and off  
more frequently but runs for a shorter time so there is no  
increase in energy use. If you would like an increased cycle  
time, choose SL for slow cycle in the Configuration menu,  
step 6 (heat), 7 (cool) or 8 (heat pump). If an acceptable cycle  
rate is not achieved, contact a local HVAC service person for  
additional suggestions.  
Cycles Too Fast or Too  
Slow (narrow or wide  
temperature swing)  
the size of the Heating System may  
be influencing the cycle rate.  
Forgot Keypad  
Lockout Code  
Hold MENU key for 20 seconds and the lockout will reset.  
Thermostat does not have 1. Earlier version of thermostat.  
Refer to Instruction Sheet 37-7149B  
Menu Screen Numbers  
HOMEOWNER HELP LINE: 1-800-284-2925  
White-Rodgers is a division  
of Emerson Electric Co.  
The Emerson logo is a  
trademark and service mark  
of Emerson Electric Co.  
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a u n p a S r L  
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a m p l i a d e l a t e m  
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o d e m a s i a d o c o r  
s o n d e m a s i a d o l  
a i r e a c o n d i c i o n a  
y a u m e n t o e n e l c o t n o s p u o m r o l o d m q e á u e s e n c n e o o r g r h í a a .  
a n t e u n p e r í o d o  
a p a g a c o n m á s f r e c u e n c i a p e r o f u n c i o n a d u r  
m o d e l o s m e c á n i c o s m . á s a n t i g u o s a c i ó n d e e l o n s l a c i d c l u o r s  
t o s  
g o s  
. E l s i s t e m a s e e n c i e n d e y s e  
p r e c i s o y p u e d e n r e i n i c i a r e l c a i c l c o i ó m n á p s u r e á d p e i d n a i n m fl e u n i d r t e e l q s u i s e t e a m l g a u n d o e s c a l e f  
m o s t a t o L s o s d i t g e i r t a l e s p r o p o r c i o n a n u n c m o n o t s r t o a l t d o e y / t o e m e l p t e a r m a L ñ a o 1 u . b i c a c i ó n d e l t e r  
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l o s d e l L c a o l s e f c a i c t o r /  
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m ó m e E t l r o t e p r u e d e a j u s t a r s m e o e s n t a + t / o - 4 g  
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r e q u i e r o e a j u s t e  
c o i n c i d e c o n e l t  
E l a j u s t e d e l t e r m  
e a V . e l A j a u r d s o t e s d e  
m ó m e t r o d a e l o t r e E r d l e v 1 l . t e r  
.
m o s t a t o  
, c a m b i e e l t e r c o r r e c t a m e n t e  
f r í o / c a l o r e s t á f u n c i o n a n d o c o r r e c t a m e n t e  
l e c ó m o p r o b a r s i e l s i s t e m a d e p e r s o n a l t é c n i c o p o d r á i n d i c a r  
i c a n a t b e r d , e e s l u f s i s t e m a o e l  
. S i e l s i s t e m a f u n c i o n a  
. S i l a c a o b n a d j o i c i ó n p e r s i . s t e O N a n  
A N e s t á u p e t n o r F F E l i 4 n . t e r r  
i b e m á s  
n i l l o s  
N o d e b e  
a r s e a a s e g l u e r s p a r  
m o s t a t o c o m o s e d e s c r . I n t e n t e r m e i a n t j e a u r l s e t s a r e l t e r  
l e p e l a d o p o r d e b a j o d s e o b l o r e s s t a o l r i r n i n g ú n c a b  
.
e n t i l a d o r  
d e c a l o r / f r í o / v  
t o c i r c u l e i t o c o e o r n s P i b e 3 l . s i s t e m a  
t o c i r c u l e i t o c o e o r n s P i b e 2 l . t e r  
t o c i r c u l e i t o c o e o r n s P i b l o 1 s . c a b  
m a n e r a c o n s t a n t  
v e n t i l a d o r f u n c i o  
E l m o d o d e c a l o r  
t o c i r c u i t o o t o c á n d o s e e d n e t r q e u s e í . n o e s . t é n e n c m o o r s t a t o  
x i o n e s d e l o s c a b i fi q e u r V e t o d a s l a s c o n . e l e s  
, f r í o o  
.
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u t o s m e i n p a s a r a l m o d o d e e n f r  
m o s t a t . E o l p t e u r e d e t a r a d a r m a h b t u a i e r s n t a t e c t e i n m c p o e r  
e r e n c i a a p o d r e a d r t e u b r f a j o d e l a  
m o s t a t o e n C O O L  
y c o l o q u e l a t e m p e r  
e l s i s t e m a . n o c a l i e m n o t a s t p a e t o r o c o l o q u e e l t e r  
S i g a e l m i v s i m c i o p r o c e d i m i e n t o d e i a m d i a i e g n n t o ó s r t e i c q o u i q e u r e s E C e l u r s 1 a i . s n t d e o m a d e e n f r  
t é c n i c o o d e b e c a m b i a r s e e l t e r  
E l s i s t e m a n o e n  
.
a c c i ó n e s t é f u n c i o i fi n c e a a r n r d a q o u v e c p o a l a r r r e c c a t l a e m f e n t e  
a c t o r o c o n e l p i e c a r s n a o t b e n r a d l e t é l c a n l i e c o f  
c o n t a c t o c o n e l f  
m o s t a t o h . S a o i c e e l t u e n r c h a s q u u n i d r e o e m p l a z  
i a m i e n t o o c o a n c c e i l ó c l n u a g l y e a f e r n d f e r c o m p r  
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a o b t e a n p e a r r  
v i c i o t é c n i c o d e  
p ó n g a s e e n c o n t a c t o c o n s u p e r s o n a l d e s e r  
m o s t a t o S n i o e l h t a e c r e u n c h a s q u i d o d e s p u é s d e r e a j u s t a r  
a c i ó n d e r e a j u s t , e i n a t r e r n t e l a c o h p a e s r q u i d o  
m o t s e t r a t o e s t á f u n c i o n a n d o c o r r e c t a m e n t e  
a l , e s t e s o n o i r d . o l P o i n g d e i n c e a r m q u o e s t e a l t o e v d e l s t u e a r  
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m o s t a t o  
t é c n i c o o d e b e c a m b i a r s e e l t e r  
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v i c i o  
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, p ó n g a m s e i t e n t e c a o i n t a e c r t o c o n e l  
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.
f u n c i o n a d e m a n e r  
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a c c i ó n  
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l o q u e o d e l c a l e C f o 2 n . d i c i ó n d e b  
a n  
a s t i e n e n d i s p o M s i u t i c v h a s c a l d e . r  
a c t o r  
a a e u n e V c l v e n d e r e l p i l o t o  
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e s t á s u e l t a .  
.
x i o n e s  
t a .  
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m o s t a t o o x a i ó l n s i s a t l e t m e L r a a 4 c . o n e  
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e s t á n d e b i d a m e n t e i n s t a l a d o s  
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i d a d  
a
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t a e n e l l u g a r c o r r e c t o p a r  
a a c u o e V l l o v c a r e l p a n e l d e t i l m a e p n u t e o r d e l  
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e s t á e n O F F  
l e m o a b s ( p c r o m  
.
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u p t o r e n O N .  
C o l o q u e e l a i n c t o e r r  
C a m . b i e e l f u s i b  
u p t o r d e E a l l i 2 i n m . t e r n r t a c i ó n d e l c a l e f  
E l s i s t e m a n o e n  
E l s i s t e m a n o c a  
.
a r e l d i s y a u a n t a o c r t i v l e o v u e l v  
l e o s e d i s p a r ó e l d S i s e y 1 q u . u n e t o m r ó e l f u s i b  
a
A c c i ó n c o r r e c t i v  
l e  
C a u s a p o s i b  
S í n t o m a  
m o s t a t o s . S e i e h l a t e r e r a j u s t a l e d s o y c p a e l a b r s o p a i ú l a n s n o  
. D e s p u u t o é s s d 2 e m r i e n a j u s t a r e l t  
a n d o l a s p i l a s d u t o r c i r c u i t e ) y ( r n C e o t y i r l o R s c o r m i n t e a r l e s  
.
a n t e u n o s i n s t a n t e s e s i l u m i n a r á n d u r  
a a c o l , o v c u a e r l l v o s m o s t a t o  
, t o d o s l o s s e l g a m n c e o n t y o s l u e g o  
. L a p a n t a l l a d e u l l t á n e a A m N e n s t i e m  
a c i ó n , p r e s i o n e  
m o t s e t r a t o d e b e r í a p o n e r s e e n b  
a n t e  
e l b o t ó n y F  
l e s d e l a s a n d o l o s c a b m o s t a t o r e t i r  
m o s t a t o f u n c i o n e d e m a n e r  
e r r á t i c a , p u e d e  
l a b n c o l a p a n t a l l a  
a r m a c i ó n , e l r e l o j y l a a r a c e r P o a n j u fi s g t u a r r l a p r o g  
a
a c i ó n .  
d e c o n fi g u r  
o l t a j e o u n a d e s c S a i r u i g c n a . p e i s c t o á d t d e i c e a f á v p b o r n e e n  
a c i ó n y l a p r o g i n s t a l a d o r / d e c o  
e z r e a u j n u a s t a v d N o o e t l a t : e r  
v i s a r l o s a j u s t e s a d s e e l g m ú e r N e n o s ú e t a i n d : s e t a r e l a d o r /  
e r á o n l v a l o s a j u a s r m t e a s c i ó n v  
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e v z s e l e c c i o n a d o e l t i e m p o d e f u n c i o n a m i e n t o d e l s o p l a d o r  
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R a n g o 1 d 5 e y l í m 1 6 i t ) e d e t e m p e r a t u r a d e c a l o r o f r í o –  
a n e o r m á s c a l u r o s o s c u a n d o  
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a e n a l t a u r p a n t t e a m l l a p e a r g  
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s e g ú n s u p r e f  
o y r s e s i e n t a m a m á s e n c t ó a e m l m i g o a e d t r a u . r  
i o r m e n o r h a c e q u e  
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u n a t e m p e r  
i n c i p i o d e e n q e u l e p r u n a h u m e d a d  
o p c i o n a l q u e p u e d e r  
a h r e n h e i a t r d o s o F  
a r d o s c e n t í g  
a a m a b t u i e r n t e a c l a t u t a e l m o p a e j r u s t a d a .  
. L a i o p r a n t a l l a m o s t m r o s t a t o a n t e r  
a q u a e t u a r p a r e c e e n l a a l o p r a e d n l e v t a t l e l a m p p a e r r  
i c a p e r o u s t e d t i e n e l a c o o n p c p i r ó e n c i d s e i ó n c a d m e b f i á a b r r  
v i n g s e s u . C n o a o f l u v S n i n a c g i ó s n d C e o a o h l o S r r a o d e e n e r g í a  
a r á l a c l a v i n g s y s e a a c t r i á v C o m o o l s S t r a  
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a l a f u e n v p c a i ó r n  
i o r a 0 , l a p a a l o n r t a s l u l a p e r  
i c a e s 0 , q u e d e m s i a n c a t d i v a d e f á b r  
a q u e  
S i s e s e f u l e n c c c i ó i o n n . a u n v  
L a o p c i ó n p r e d e t e r  
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a a m a b t u i e r n t e e n e l r  
E s t e c o n t r o l l e p e r  
a j u s t a r l a v i s u a l i z a c i ó n d e l a t e m p e r  
( 4 m á s a b a j o ) o 4 H I ( 4 m á s a r r i b a ) –  
v i n g s ™ e n e l m o d o a l a f u n c i ó n C o o l S a c a n t i d a d d e a j u s t e p a  
– S e l e c c v i i o n n g a s ™ l a  
a l o r d e C o o l S a S e l e c 5 c ) i ó n d e v  
S e l e c 1 c 3 i ) o n e e l a j u s t e d e l a t e m p e r a t u r a v i s u a l i z a d a d e 4 L O  
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e n t i l a d o r e n u n a l l a m a a c d c i a ó c n d a e l e e n c f e a r l o g r i z a e l v  
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e s t é e n O N o e n O F F  
S e l e c c i o n e G A S , s s i e e l l e s c i c s i t o e n m n e t a i e l E a l d d L v e o E r .  
o n d o d e l a p a n t a l l a  
b o t ó n , i n d e p e n d i e n t e m e n t e d e q u e l a l u z d e f  
m o m e n t á n e a m e n t e e n c e n d i d a d e s p u é s d e p r e s i o n a r c u a l q u i e r  
i c i d a d ( E L E ) .  
d e l a s e l e c c i ó n d e l a l u z d e f  
m o s t a t o e n e r g i c e  
a c c i ó n r e q u i e r e q u e e S l i t e e r l s i s t e m a d e c a l e  
e n t i l a d o r c o n G A S o e F l e u c n t c r i 4 o ) n a m i e n t o d e l  
S S 1 – S i s t e m a d e u  
, s i s t e m a a u x i l i a r d e g a s o e l é s c i s t r t e m a d e d o s c o m p  
H P 2 – B o m b a d e c a  
H P 1 – B o m b a d e c a  
u l t i e t a p a ( s i n b o m b M a S d e 2 c – a S l o i s r ) t e m a m  
a r s e p a r E s t e 3 c o ) n t r o l p u e d e c  
e a , l v a s e c c i ó n S o l u c i ó n d e p r t o e b c l a d o s i o l v i d a e l c ó  
a r a e r P a j u s t a r e l c ó d i g o d e  
, l a l u o z n s d e o m a n t e n d r á  
n o “ e C s ” t á c m o i n n e a c l a t a t d e a r , i n d e p e n d i e n t e m e n t e  
e n c e n d i d a d e s p u é s d e p r e s i o n a r c u a l q u i e r b o t ó n .  
, l a l u z s e m a n t e n d A r á l s m e o l e m c e c n i o t n á a n r e a O m F e F n t e  
i c o  
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o n d o e n c e n d i d a d e f  
e s t “ á C ” c o n m e c i n t a a d l a , l a s e l e C c u c a i ó n n d o d e l a C t e d r L  
a s t e d e l a a p e a l n c t o a m n l l e a t r j o e r n c o n d i c i o n e s d e p o c a l u z .  
o n d o d e l a p a n t a l l a S – e l e c 1 c 2 i ) o n e l u z d e f  
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l e m a s  
O f f ) y s ó l o f r í o ( C o o l , O f f ) .  
, H e a t ) , s ó l o c e a v n l t o i l r a s d i o n r v ( O f f  
, C o u o t o l , O f f ) , s ó l o c a l o r c o n u t a c i ó c n o n a m u t o m á t i c a ( H e a t , A  
a c a l o r y a f r r s í o e c p o a n r a T m b i é n p , u H e e d O a e f f t ) c . o n fi g u r  
u p t o r d e l S I S T E M A a c c o a n l o C r o y a o d f l r , o í o p ( a i n r t c e o r n r fi g u r  
m o s t a t o E e s s t t e á t e r  
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a s a a r l . P i r d e l m l o e q n u ú e d s o e i n s b d e s b  
a r e a p l i a z r a “ 0 r o e t r o a i n t v e u n e t o l v d e a j u s t e d e l c ó  
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l o q u e a r e l t e c l a d o  
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n o c o i n c i d e a l p r e s i o  
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l o q u e o  
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y d e s a p a r e c e r á e l i c o  
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l o q u e d o e d b e l a c o m b i n a c i ó n  
x a c t a m e n t e c o n e l l o n q ú u m e o e r c o o i n c i d e e e l n ú m e r o d e d e s b  
l o q u e o d e c o m b i n a c i ó n d e a j u s t a r e l n ú m e r o d e  
.
m i t e n t e m a o r i n t e r  
, l a p a n t m a l l o a s t a t o  
u t o s  
e r e n c i a a d e d e f a r t u e r f  
a n t e d u u r n m á x i m o d e c i n c o m i n  
a r á l a m t e o m s t p r e r  
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a d e t i e m l a p o d e d m e l o c r o m p r e s o r d e l t e r  
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i c a n a t b e r d e s u c o m . C p r o e n s s o u r l t p e m a a r o t l s e f t r a t o  
d e t i e m p o y n o r e q u i e r e n q u e e s t a f u n c i ó n e s t é a c t i v  
r e s e e n e l C u a n a d c o i ó i n n g .  
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s e u t i l i z o a n p a r  
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a o p i c m i ó e n r d e l m e m n e ú n q ú u l e a a p p r a r e c e r á e  
r e s i a n r g e n e l m e n ú d e c o n  
d e c o m b i n a c i ó n  
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a d a p u o n r a d e m o r a t i e o n v s e n y u i e n c o r  
. A l g t u o n s o s d e l o s  
c o m p r e s o r e s m á s n  
r e a l i c e c i c l o s d e e n c e n d i d o y a p a g a d o c o r  
e n t r e c i c l o s d e e n f r  
S i s e s e l e c c i o n a C L O N , e l t e r  
, a l p r e s i o l o n q a u r e M a E d N o U p o d r á a s e l t e M c i l e a n d t o r e s t á b  
v i t a a r q e u e e l c o m i p a r m e i s e o n r t o p a r  
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a l m O o d F o F d e l S m I S o T d E o M d A e d e s e a d o  
u t o s  
i o c a m b i a r e l m i t i r a a l p u e s r u a r  
l o q u e o d e l c o m S p e r l e e s c 1 o c 0 r i ) ó ( n C L d ) e e b n O F F u O N  
H P 2 ) ( H P 1 , E m e r  
H e a t P u m p ( H P 1 , H P 2 )  
d e s a l i r d e l m o d o d e  
E l b o t ó n S Y S T E M f u  
a n t e 1 0 s e g u n d o s d e s p u é s  
l o q u e a d o c o n u n a c o q m u b e i n e a l c t e i ó c n l a v d á o l i d e a s . t á b  
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a i n d p i c a a r r “ L o c ”  
y s e 9 9 v 9 u a 1 e l v  
A p a a r r e á c . e r á  
i a y e l m m e e n m ú o s r e c e r r  
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S i s e s e l e l o c q c u i o e n a a r n á d o . e s e b  
1 . 7 ° F  
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0 . 9 ° F  
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C o o l ( S S 1 , M S 2 )  
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a r á e l m , e s n e ú c y e e r r l t e c l a d o  
. S i s 9 e 9 s 9 a e 0 l e c c i o n a u n a c o m c o b m i n b a i n c i a ó c n i ó d n e d e  
a a j u s t a r e l n ú m s e e r o u t d i l i e z a n y p e a l r E a l . h o r  
a d o ) e n l o s d í g i t o s d e m l a i n a d a , a ú n d e s ( a o c p t i c v i ó n p r e d e t e r  
y 0 s e p r e s i o n a e l b o t ó n  
S L  
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a j u s t e s s o n :  
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m i n a d o e s e l c i c l o e r l á a p j u i d s o t e ( F p r e d e t e r  
m i n a d o e s e l c i c a l j o u s m t e e d p i r o e d ( M e t E e r ) .  
e v l o c i d a d d e l c i c l o e a  
y s L e ” “ v u e a l v d a a a c t i v  
a c a a r m P b A i a ) . r l a  
a E a r m P e r ( A  
, H P 1 , H P 2 e l  
C u a n d o l a l o f u q n u c e i a ó d n o d ) . e ( t e L ” c l a d o b  
( t e c l O a d F o F n o  
L o s  
( o p c i ó n O F y F ” “ L a k ” u e s t r  
– C u l a a d n o d o s e s e l e c c i B o n l o a q e u 1 s e t y a o 2 o d ) p e c t i ó e n c  
u x ) ,  
a c a m b i a r l a s s e e l e u c t c i l i i ó z n a n e n p t a r e r  
m i n a d a , p t e r e c l d a e d t o e r n o b  
d e l m e n ú , l a p a n t a l l a  
a b a o r m P b a d e c a l o r  
a l o s m i c o a d o p s a r H e a t y C o m o i l n , a S d S o 1 d , p e r e f d á e b t r e r  
S e l e c c i ó n d 6 , e 7 l , a 8 v y e l 9 o ) c i d a d d e l c i c  
M S 2 e s e l c i c l o m e d i o ( M y E ) .  
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c o m o t e r m i n a l O o B .  
d e l a t e r m i n a l d e v á l v u l a i n H v e r a s t o O r a n ( O / B )  
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i n c r e m e n t o s d e 2 5 h o r a s . E s t e m e n ú s ó l o  
A j u s t a l a f r e c u e n c i a d e c 2 a 5 m - 1 b 9 i 7 o 5 d h e l fi l t r o e n  
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( i n d i c a d o r d e C a m b i o d e fi l t r o ) e n O n ( a c t i v a d o ) C a m b i a r fi l t r o  
S e l e c c i o n a F i l t e r C h a n O g n e - o u t I n d i c a t o r  
( O F F )  
( N o d i s p o n i b l e e n m o d e l o s a n t e r i o r e s )  
R e q u i e r e e l m ó d u l o C A  
I I .  
O n ( a c t i v a d a ) u O F F ( d e s a c t i v a d a ) .  
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a s N i s A t e m a s d e s ó l o c a l o r  
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a c o . n N fi A g u r a c i ó n S S .  
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L a o p c i ó n F a s t H e a t p O u e F d F e d e s a c t i v a r s e  
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S e l e c c i o n a e l r a n g 8 o 9 d e C 6 A L 2 L a O R L l i m i t a d o  
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g r a d o s F a h r e n h e i t o C e l s i u s  
S e l e c c i o n a v i s u a l i z a ° C c i ó n d e t e m p e r a t u r a e n ° F  
1 L O , 2 L O , 3 L O , 4 L O ( t e m p e r a t u r a a c t u a l )  
e T m p e r a t u r a a m b i e n t e a j u s t a b 1 l e H e I n , 2 p a H n I t , a 3 l l a H I , 4 0 H I ,  
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f s O i n f i c o n o d e v e n t i l a d o r  
d e l s i s t e m a , c H o n e a c t a p a c i d a d d e c i c o o n n m o u d t a e c v i ó e f n t i l a d o C r o o l O f  
S e l e c c i o n c a o f C n o n fi g u H r a e f , c a i t ó O n f d e i n t e r H r u e p a t o t r C o o l O f H e a t A u t o  
( O F F ) C L  
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b o m b a d e c a l o r e n l a o p c i S ó L n 1 .  
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s e l e c c i o n a d o b o m b a d e c a l o r e n l a o p c i ó n N º 1 )  
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C R C o o l  
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p a r a M S o S S  
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( M E )  
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u n a s o l a e t a p a ( S S 1 ) , b o m b a d e c a l o r 2 ( H P  
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I n s t r u c c i o n e s d e i n s t a l a c i ó n y o p e r a c i ó n p a r a e l m o d e l o :  
u l t i m e t a p a o b o m b a U d n e a c s a o l o l a r e t a p a ,  
o p c i ó n d e c o n m u t a c i ó n a u t o m á t i c a c a l o r / f r í o  
s a e l r B l u e 4 t o p u u n l g i v . m c o e o s T r n t a  

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