White Rodgers 1F86 0244 Thermostat User Manual

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Blue 2” Single Stage Thermostat  
Installation and Operating Instructions  
Save these instructions for future use!  
Model  
Programming Choices  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS  
CAREFULLY BEFORE INSTALLING OR OPERATING THIS  
CONTROL COULD CAUSE PERSONAL INJURY AND/OR  
PROPERTY DAMAGE.  
1F86-0244  
Non-Programmable  
APPLICATIONS  
1F86-0244 Thermostat  
For use with the following Class II systems:  
Single Stage systems  
Single-stage heat pump systems with no Aux heat  
DO NOT USE WITH:  
Systems exceeding 30 VAC and 1.5 amps  
3-wire zoned hydronic heating systems  
SPECIFICATIONS  
Electrical Rating:  
Battery Power................................................. mV to 30 VAC, 50/60 Hz or DC  
Input-Hardwire................................................ 20 to 30 VAC  
Terminal Load........................................................ 1.0 A per terminal, 1.5A maximum all terminals combined  
Setpoint Range...................................................... 45° to 90°F (7° to 32°C)  
Differential (Single Stage)...................................... Heat 0.6°F; Cool 1.2°F (adjustable)  
Differential (Heat Pump)........................................ Heat 1.2°F; Cool 1.2°F (adjustable)  
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......................................... 3-3/4” H x 4-3/4” W x 1-1/2” D  
PRECAUTIONS  
This thermostat is intended for use with a low voltage NEC  
WARNING  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
!
Class II system. Do not use this thermostat with a line voltage  
system. If in doubt about whether your wiring is millivolt, line,  
or low voltage, have it inspected by a qualified heating and air  
conditioning contractor or electrician.  
Do not exceed the specification ratings.  
Do not short out terminals on gas valve or primary  
control to test. Short or incorrect wiring will damage  
thermostat and could cause personal injury and/or  
property damage.  
All wiring must conform to local and national electrical codes  
and ordinances.  
This control is a precision instrument, and should be handled  
carefully. Rough handling or distorting components could  
cause the control to malfunction.  
Thermostat installation and all components of the  
system shall conform to Class II (current limited)  
circuits per the NEC code. Failure to do so could cause  
a fire hazard.  
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.  
PART NO. 37-7010B  
Replaces 37-7010A  
0921  
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INSTALLATION  
Battery  
Door  
REMOVE OLD THERMOSTAT  
1. Shut off electricity at the main fuse box until installation is  
complete. Ensure that electrical power is disconnected.  
2. Remove the front cover of the old thermostat. With  
wires still attached, remove wall plate from the wall. If  
the old thermostat has a wall mounting plate, remove the  
thermostat and the wall mounting plate as an assembly.  
Mounting  
Hole  
Mounting  
Hole  
3. Identify each wire attached to the old thermostat using  
the labels enclosed with the new thermostat.  
4. Disconnect the wires from old thermostat one at a time. DO  
O/B  
Switch  
NOT LET WIRES FALL BACK INTO THE WALL.  
5. Install new thermostat using the following procedures.  
Opening  
for wires  
Gas/Elec  
Switch  
ATTENTION!  
Figure 1.Thermostat Base  
This product does not contain mercury. However, this product  
may replace a unit which contains mercury.  
GAS / ELEC SWITCH  
Do not open mercury cells. If a cell becomes damaged, do  
not touch any spilled mercury. Wearing nonabsorbent gloves,  
take up the spilled mercury and place into a container which  
can be sealed. If a cell becomes damaged, the unit should be  
discarded.  
If your system is a heat pump, the GAS/ELEC Switch must be  
set to ELEC (see Fig. 1) If your system is a single stage, the  
switch must be set to GAS. The switch setting must agree with  
the system configuration selected in the configuration menu.  
Mercury must not be discarded in household trash. When  
the unit this product is replacing is to be discarded, place in  
location to send the product containing mercury.  
BATTERY LOCATION  
“AA” Alkaline Batteries  
ATTACH THERMOSTAT BASE TO WALL  
1. Remove the packing material from the thermostat. Gently  
pull the cover straight off the 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 (see Fig.1).  
Two “AA” alkaline batteries are installed in your thermostat  
with a battery tag to prevent power drainage. Prior to use,  
open the battery door and remove the battery tag. To open,  
pull the battery door as shown by the arrow and lift open. The  
two “AA” batteries will operate all functions or maintain time  
and continuously display the temperature during a loss of AC  
power. To replace batteries, pull the battery door shown by  
the arrow and lift open. Using the polarity indicated inside the  
battery 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.  
3. Move base out of the way. Drill mounting holes.  
4. Push wires through opening in thermostat base.  
5. Fasten base loosely to wall using two mounting screws.  
Place a level against bottom of base, adjust until level,  
and then tighten screws. (Leveling is for appearance only  
and will not affect thermostat operation.) If you are using  
existing mounting holes, or if holes drilled are too large and  
do not allow you to tighten base snugly, use plastic screw  
anchors to secure subbase.  
Thermostat can be powered by system AC power or Battery. If  
isnot  
6. Connect wires to terminals on base using appropriate  
wiring schematic (see figs. 2 through 4).  
isdisplayed,thethermostatisbatterypowered.If  
displayed, thermostat is system powered with optional battery  
back-up. When battery power remaining is approximately half,  
7. Push excess wire into wall and plug hole with a fire-resistant  
material (such as fiberglass insulation) to prevent drafts  
from affecting thermostat operation.  
the  
will be displayed. When “Change  
” is displayed,  
install fresh “AA” alkaline batteries immediately. For best  
results, use new premium brand alkaline batteries such as  
Duracell® or Energizer®. We recommend replacing batteries  
every 2 years. If the home is going to be unoccupied for an  
O/B TERMINAL SWITCH SELECTION  
extended period (over 3 months) and  
is displayed, the  
The O/B switch on this thermostat is factory set to the “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  
switch must be moved to the “B” position.  
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  
or  
. Another offset  
will occur within two days if batteries are not replaced. To  
replace the batteries, set system to OFF.  
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WIRING DIAGRAMS  
Optional Jumper for  
Single Stage Heat Pump  
THERMOSTAT  
SYSTEM  
R
O/B  
Y
G
W
C
Changeover  
Relay*  
Fan  
Relay  
Optional  
Compressor  
Contactor  
Heat Relay  
Hot  
24 VAC  
120 VAC  
Neutral  
* Changeover Relay is energized in COOL when O/B switch is in the “O” position  
Changeover Relay is energized in HEAT when O/B switch is in the “B” position  
TRANSFORMER  
(Class II Current Limited)  
Figure 2.Typical wiring diagram for single transformer single stage systems  
NOTE  
If safety circuits are in  
only one of the systems,  
remove the transformer  
of the system with NO  
safety circuits.  
Optional Jumper for  
Single Stage Heat Pump  
THERMOSTAT  
SYSTEM  
O/B  
Y
G
W
C
R
CUT AND  
TAPE OFF!  
Changeover  
Relay*  
Fan  
Relay  
Limit or  
Safety  
Switches  
Optional  
HOT  
120 VAC  
24 VAC  
Compressor  
Contactor  
Heat Relay  
NEUTRAL  
Hot  
24 VAC  
120 VAC  
Neutral  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
TRANSFORMER  
(Class II Current Limited)  
* Changeover Relay is energized in COOL when O/B switch is in the “O” position  
Changeover Relay is energized in HEAT when O/B switch is in the “B” position  
Figure 3.Typical wiring diagram for two transformer single stage systems with NO safety circuits  
NOTE  
Polarity must be observed. If the HOT side of the  
second transformer is jumpered to the COMMON side  
of the first transformer a short will be made. Damage  
Optional Jumper for  
Single Stage Heat Pump  
to equipment will occur when power is restored.  
THERMOSTAT  
O/B  
Y
G
W
C
R
SYSTEM  
Limit or  
Safety  
Limit or  
Safety  
HOT  
Switches  
24 VAC  
120 VAC  
Switches  
Changeover  
Relay*  
Fan  
NEUTRAL  
Optional  
Relay  
24 VAC  
Auxiliary  
Heating  
NOTE  
ACCESSORY  
RELAY N.O.  
CONTACT  
Transformer  
(Class II  
Compressor  
Contactor  
Heat  
The accessory relay scheme  
is required when safety  
circuits exist in both systems.  
Relay  
Current Limited)  
COMMON  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
Limit or  
Limit or  
Safety  
Safety  
HOT  
Switches  
Switches  
24 VAC  
120 VAC  
COMMON  
NEUTRAL  
* Changeover Relay is energized in COOL when O/B switch is in the “O” position  
Changeover Relay is energized in HEAT when O/B switch is in the “B” position  
Heat Pump Transformer  
(Class II Current Limited)  
Figure 4. Typical wiring diagram for two transformer single stage systems with safety circuits in BOTH systems  
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THERMOSTAT QUICK REFERENCE  
Before you begin using your thermostat, you should be familiar  
with its features and with the display and the location and  
operation of the thermostat buttons and switches (see fig. 5).  
Your thermostat consists of two parts: the thermostat cover  
and the base. To remove the cover, pull it straight out from the  
base. To replace the cover, line up the cover with the base and  
press until the cover snaps onto the base.  
8
Displays current temperature.  
9
“Serviceindicatesadiagnosticfaultintheheating/cooling  
system. It does not indicate a fault in the thermostat.  
10  
“Change Filter” is displayed when the system has run  
for the programmed filter time period as a reminder to  
change or clean your air filter.  
11  
“ ” indicates power level of batteries. “Change  
indicates batteries should be replaced.  
The Thermostat Buttons and Switches  
Raises temperature setting.  
1
2
3
4
Figure 5.Thermostat display, buttons, and switches  
Lowers temperature setting.  
SYSTEM switch (COOL, OFF, HEAT).  
FAN switch (ON, AUTO).  
1
2
The Display  
5
Indicatesdaysoftheweek. Indicatessetpointtemperature.  
This is blank when system switch is in the OFF position.  
Setpoint temperature is displayed (flashing) if the  
thermostat is in lockout mode to prevent the compressor  
from cycling too quickly.  
SYSTEM  
6
“Save” indicates the Cool Savings feature is enabled in  
the configuration menu. “Save” (flashing) indicates Cool  
Savings feature is active.  
3
4
7
Flame icon ( ) is displayed when the SYSTEM switch is  
in the HEAT position. Flame icon ( ) is displayed flashing  
when thermostat is calling for heat. Snowflake icon ( ) is  
displayed (non-flashing) when the SYSTEM switch is in  
the COOL position. Snowflake icon ( ) and is displayed  
(flashing) if the thermostat is calling for cool.  
5
11  
6
10  
9
8
7
INSTALLER/CONFIGURATION MENU  
The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements.  
To enter the menu: Set your thermostat to OFF and press the and buttons simultaneously. The display will show the first  
item in the configuration menu. Press and to change to the next menu item. To exit the menu, set the system switch to  
Cool or Heat. If no keys are pressed within fifteen minutes, the thermostat will revert to normal operation.  
Configuration Menu  
Menu  
Reference  
Number  
Press  
Key  
Displayed  
(Factory  
Default)  
Comments  
Press  
to select from  
listed options  
or  
1
SS  
HP  
Select Single Stage (SS) or  
Heat Pump (HP, 1 compressor)  
and  
and  
and  
and  
and  
and  
2
CS  
(OFF)  
On  
Select Cool Savings Feature On or OFF  
CS  
(3)  
1, 2, 3, 4, 5, 6  
FA, SL  
SL  
If CS selected On, selects Cool Savings value  
3
4
5
CR Heat  
(ME)  
Select Adjustable Anticipation, cycle rate,  
Heat Single Stage  
CR Cool  
(FA)  
Select Adjustable Anticipation, cycle rate,  
Cool Single Stage  
CL  
(OFF)  
On  
Select Compressor lockout OFF or On  
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Menu  
Reference  
Number  
Press  
Key  
Displayed  
(Factory  
Default)  
Comments  
Press  
to select from  
listed options  
or  
6
7
8
9
L
(On)  
OFF  
Select Display Light On or OFF  
and  
and  
and  
and  
and  
and  
Temp  
(0 HI)  
4 LO to  
4 HI  
Select temperature display adjustment higher or  
lower  
oF  
oC  
Select oF / oC Display (temperature units in Fahren-  
heit or Celsius)  
Change Filter  
(OFF)  
On  
Select filter replacement indicator OFF or On  
Change Filter  
(200 h)  
25 to 1975  
If Change Filter selected On, selects time interval for  
Change Filter Indicator. (in 25 hour increments)  
10  
Returns to normal operation  
6) Select Backlight Display - The display backlight improves  
display contrast in low lighting conditions. When the “C”  
terminal is connected, selecting backlight CdL On will keep  
the light on continuously. Select backlight OFF will turn the  
light on momentarily when any key is pressed. When the  
“C” terminal is not connected, regardless of the backlight  
selection, the light will be on momentarily when any key is  
pressed.  
1) System Configuration - Selects SS (Single Stage) or HP  
(Heat Pump) operating mode. Default configuration is SS.  
For Heat Pump operation choose HP.  
2) Select CS (Cool Savings™) - With Cool Savings™  
enabled, the thermostat will make small adjustments to  
the Setpoint temperature during periods of high demand  
to reduce cooling system running time and save energy.  
When the cooling system has been running for more than  
20 minutes, humidity in the home will be lower and a higher  
setpoint temperature will feel comfortable. After 20 minutes  
of run time, the thermostat will start increasing the setpoint  
temperature in steps of less than one degree as the system  
continues to run. These adjustments will eventually cause  
the system to satisfy the thermostat and turn the system  
off to reduce the energy consumption. When the Cool  
Savings feature is active and making adjustments, the  
display will show “Save”. The amount of the adjustments to  
the setpoint temperature is dependent on the Cool Savings  
value that is set, 1 being the least adjustment and 6 being  
the most adjustment. With this feature set to OFF, no  
change will occur when the cooling system is continuously  
running during the periods of high demand. Periods of high  
demand will normally occur during the late afternoon and  
early evening on the hottest days of the summer.  
7) 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 calibrated  
at the factory but you have the option to change the display  
temperature to match your previous thermostat. The  
current or adjusted room temperature will be displayed on  
the display.  
8) Select F° or C° Readout - Changes the display readout to  
Celsius or Fahrenheit as required.  
9) Select Filter Replacement Reminder and Set Run Time  
Select the “Change Filter” reminder On or OFF. If selected  
On, press  
and  
to select the time period from 25 to  
1975 hours in 25 hour increments. In a typical application,  
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,  
3 & 4) Select Cycle Rate Selection - The factory default setting  
for Single Stage Heat is Medium Cycle (ME). For Single  
Stage Cool the default setting is fast (FA). To change cycle  
press the  
and  
button to clear the display and  
restart the time to the next filter change. A selection of OFF  
rate, press the  
and  
buttons.  
will cancel this feature.  
The cycle rate differentials for different settings are:  
MODE  
Fast  
(FA)  
Medium Slow  
(ME)  
0.8°F  
-
(SL)  
SS Heat  
SS Cool  
0.6°F  
1.2°F  
1.2°F  
1.7°F  
5) Select Compressor Lockout CL OFF or ON - Selecting  
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 compressors  
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 occurs, it will flash  
the setpoint for up to five minutes.  
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OPERATION  
Cooling System  
CHECK THERMOSTAT OPERATION  
If at any time during testing your system does not operate  
properly, contact a qualified service person.  
CAUTION  
!
Turn on power to the system.  
To prevent compressor and/or property damage, if the  
outdoor temperature is below 50oF, DO NOT operate  
the cooling system.  
Fan Operation  
If your system does not have a G terminal connection, skip to  
Heating System.  
1. Move SYSTEM switch to COOL position.  
2. Press  
to adjust thermostat setting below room  
1. Move fan switch to ON position. The blower should begin  
to operate.  
temperature. The blower should come on immediately on  
high speed, followed by cold air circulation. However, if the  
setpoint temperature is flashing, the compressor lockout  
feature is operating (see Configuration menu, item 5).  
2. Move fan switch to AUTO position. The blower should stop  
immediately.  
3. Press  
to adjust temperature setting above room  
temperature. The cooling system should stop operating.  
Heating System  
1. Move SYSTEM switch to HEAT position. If the auxiliary  
heating system has a standing pilot, be sure to light it.  
CAUTION  
!
2. Press  
to adjust thermostat setting to 1° above room  
temperature. The heating system should begin to operate.  
Do not allow the compressor to run unless the  
compressor oil heaters have been operational for 6  
hours and the system has not been operational for at  
least 5 minutes.  
3. Press to adjust temperature setting below room  
temperature. The heating system should stop operating.  
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TROUBLESHOOTING  
Reset Operation  
If a voltage spike or static discharge blanks out the display  
or causes erratic thermostat operation, you may need to  
reset the thermostat. To reset, the System Switch must be  
for approximately 10 seconds until the display goes blank. If  
the thermostat has power, has been reset and still does not  
function correctly contact your heating/cooling service person  
or place of purchase.  
in Cool or Heat. Simultaneously press  
and  
buttons  
Symptom  
Possible Cause  
Corrective 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 loose or not properly installed.  
Replace door panel in proper position to engage safety  
interlock or door switch.  
No Heat  
1. System Switch not set to Heat.  
Set System Switch to Heat and raise setpoint above  
room temperature.  
2. Loos connection to thermostat or  
system  
Verify thermostat and system wires are securely at-  
tached.  
3. Heating System requires service or  
thermostat requires replacement.  
Diagnostic: Set System Switch to Heat and raise the set-  
point above room temperature. Within a five minutes the  
thermostat should make a soft slick 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 service per-  
son to verify the heating system is operating correctly.  
No Cool  
1. System Switch not set to Cool.  
Set System Switch to Cool and lower setpoint below  
room temperature.  
2. Loose connection to thermostat or  
system.  
Verify thermostat and system wires are securely at-  
tached.  
3. Cooling System requires service or  
thermostat requires replacement  
Same procedures 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 if the  
compressor lock-out option is selected in the configura-  
tion menu (Item 5).  
Heat, Cool or Fan Runs  
Constantly  
1. Possible short in wiring.  
2. Possible short in thermostat.  
3. Possible short in Heat/Cool/Fan  
system.  
Check each wire connection to verify they are not shorted  
or touching together. No bare wire should stick out from  
under terminal screws. Try resetting the thermostat as  
described below. If the condition persists, the manufac-  
turer 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.  
4. Fan Switch set to Fan On.  
Furnace Cycles Too Fast 1. The location of the thermostat and/or  
Item 3 (CR Heat) or 4 (CR Cool) in the Configuration  
Menu is the adjustment that controls the cycle rate. If an  
acceptable cycle rate is not achieved using the FA (Fast)  
or SL (Slow) adjustment contact a local service person  
for additional suggestions.  
or Too Slow Cooling  
Cycles Too Fast or Too  
Slow (narrow or wide  
temperature swing)  
the size of the Heating or Cooling  
System may be influencing the cycle  
rate.  
Thermostat Setting and  
Thermometer Disagree  
1. Thermostat thermometer setting  
requires adjustment.  
The thermometer can be adjusted +/- degrees as listed in  
item 7 of the Configuration Menu. No other adjustment is  
possible.  
Blank Display and/or  
Keypad Not Responding  
1. Voltage Spike or Static Discharge.  
If a voltage spike or static discharge occurs use the Re-  
set Operation listed above.  
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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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c o r r e c t a m e n t e , c a m b i e e l t e r m o s t a t o .  
f r í 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 . S i e l s i s t e m a f u n c i o n a  
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d e q u e n o e s t é n e n c o r t o c i r c u i t o o t o c á n d o s e e n t r e s í .  
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d e c o n fi g u r a c i ó n ( o p c i ó n 5 ) .  
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c i n c o m i n u t o s e n p a s a r a l m o d o d e e n f r i a m i e n t o s i s e h a  
t e m p e r a t u r a a m b i e n t e . E l t e r m o s t a t o p u e d e t a r d a r h a s t a  
y c o l o q u e l a t e m p e r a t u r a d e r e f e r e n c i c a a p m o b r i d a e r s b e a j e o l d t e e r m l a o s t a t o .  
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b i e n c o n e c t a d o s .  
s i s t e m a e s t á s u e l t a .  
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r e f e r e n c i a p o r d e b a j o d e l a t e m p e r a t u a r a j u s a t m a d b o i e e n n t e C . o o l .  
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a r r i b a i n d i c a d a . S i e l t e r m o s t a t o n o h a c e u n c h a s q u i d o  
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S i s t • e m a s d e c a l e f a  
S i s t • e m a s q u e e x c e  
N O U T I L I Z A R  
A
y 1 . 5  
a u x i l i a c r a l o r  
S i s t • e m a s d e b o m b  
S i s t • e m a s d e u n a s  
P a r a u t i l i z a r c o  
e T r m o s t a t o 1 F 8 6 - 0 2 4 4  
C I O N E S A P L I C A  
T E R I A L E S A . D Ñ O S M A  
O / Y S E L A N O S R E P S E N O I S E L R A S U A C A Í R D O P L O R T N O C  
E T S E R A Z I L I T U O R A L A T S N I E D S E T N A S E N O I C C U R T S N I  
N o - P r o g r a m a b l e  
o g r a m a c i ó n O p c i o n e s d e p r  
1 F 8 6 - 0 2 4 4  
M o d e l o  
L A S A S O T D  
A D O C U I D C O N  
S E G Y U I R L E E R N O E L  
c o n s u l t a r l a s e n  
v e e s t a s ¡ C i n o s n t r s u e c r c i o n e s p  
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  
t o d e u m n o a e s T r s t o a l a e t a  
p a B l u e 2 ”  

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