White Rodgers 1F83 261 Thermostat User Manual

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1F83-261  
Non-Programmable Electronic Digital  
Multi-Stage Thermostat  
INSTALLATION AND OPERATION INSTRUCTIONS  
Operator:  Save these instructions for future use!  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY  
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE  
PERSONAL INJURY AND/OR PROPERTY DAMAGE.  
DESCRIPTION  
 Backlit display when any key is pushed  
 °F/°C convertibility  
Your new White-Rodgers Digital Thermostat uses the technol-  
ogy  of  a  solid-state  microcomputer  to  provide  precise  time/  
temperature control. This thermostat offers you the flexibility to  
design heating and cooling programs that fit your needs.  
 Temperature range 45° to 90°F  
 R, C, W, W2, G , Y and Y2 terminals  
 Optional C terminal (Dual Power option)  
 Setpoint storage in case of power loss  
 2 “AA” Energizer® alkaline batteries included  
Features:  
 Simultaneous heat and cool setpoint storage  
 Pre-set temperature control  
 LCD continuously displays setpoint and room temperature  
PRECAUTIONS  
This thermostat is intended for use with a low voltage 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.  
! WARNING  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
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 circuits per the NEC  
code.  
! 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.  
SPECIFICATIONS  
ELECTRICAL DATA  
APPLICATIONS  
Electrical Rating:  
For use with:  
20 to 30 VAC 50/60 Hz. or D.C.  
0.05 to 1.5 Amps (Load per terminal)  
1.5 Amps Maximum Total Load (All terminals combined)  
 Heat/cool systems with up to two stages heat,  
two stages cool  
DO NOT USE WITH:  
THERMAL DATA  
 Millivolt systems  
 Systems exceeding 30 VAC and 1.5 amps  
 3-wire zoned hydronic heating systems  
Setpoint Temperature Range:  
45°F to 90°F (7°C to 32°C)  
Operating Ambient Temperature Range:  
32°F to 105°F  
Operating Humidity Range:  
0 to 90% RH (non-condensing)  
Shipping Temperature Range:  
-4°F to 150°F  
WHITE-RODGERS  
PART NO. 37-6321A  
EMERSON ELECTRIC CO.  
Printed in U.S.A.  
9797 REAVIS ROAD  
ST. LOUIS, MISSOURI 63123-5398  
www.white-rodgers.com  
0143  
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INSTALLATION  
REMOVE OLD THERMOSTAT  
Screw anchors  
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 thermo-  
stat and the wall mounting plate as an assembly.  
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  
NOT LET WIRES FALL BACK INTO THE WALL.  
5. Install new thermostat using the following procedures.  
Mounting  
holes  
ATTENTION!  
Electric/Gas  
switch  
This product does not contain mercury. However, this product  
may replace a unit which contains mercury.  
Mounting  
holes  
Do not open mercury cells. If a cell becomes damaged, do not  
touch any spilled mercury. Wearing nonabsorbent gloves, take  
up the spilled mercury with sand or other absorbent material and  
place into a container which can be sealed. If a cell becomes  
damaged, the unit should be discarded.  
Figure 1. Thermostat Base  
material  (such  as  fiberglass  insulation)  to  prevent  drafts  
from affecting thermostat operation.  
Mercury must not be discarded in household trash. When the  
unit  this  product  is  replacing  is  to  be  discarded,  place  in  a  
suitable container and return to White-Rodgers at 9797 Reavis  
Road, St. Louis, MO, 63123-5398 for proper disposal.  
BATTERY LOCATION  
2 "AA" alkaline batteries are included in the thermostat at the  
factory with a battery tag to prevent power drainage. You must  
remove the battery tag to engage the batteries.  
ELECTRIC HEAT SYSTEMS  
This thermostat is configured from the factory to operate a heat/  
cool, fossil fuel (gas, oil, etc.), forced air system. It is configured  
correctly for any system that DOES NOT require the thermostat  
to energize the fan on a call for heat. If your system is an electric  
heat or heat-pump system that REQUIRES the thermostat to  
turn on the fan on a call for heat, locate the GAS/ELECTRIC  
switch on the thermostat base (see fig. 1) and switch it to the  
ELECTRIC position. This will allow the thermostat to energize  
the fan immediately on a call for heat. If you are unsure if the  
heating/cooling system requires the thermostat to control the  
fan,  contact  a  qualified  heating  and  air  conditioning  service  
person.  
If  BATT  is  displayed,  the  batteries  are  low  and  should  be  
replaced  with  fresh  "AA"  Energizer®  alkaline  batteries.  To  
replace batteries, install the batteries along the top of the base  
(see Fig. 1). The batteries must be installed with the positive (+)  
end to the left.  
HYDRONIC (HOT WATER OR STEAM)  
HEATING SYSTEMS  
This  thermostat  is  set  to  operate  properly  with  a  forced-air  
heating  system.  If  you  have  a  hydronic  heating  system  (a  
system that heats with hot water or steam), you must set the  
thermostat to operate properly with your system. Change the  
second option in the configuration menu to SL (see CONFIGU-  
RATION MENU, page 4).  
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. If necessary, move  
the electric heat switch (see ELECTRIC HEAT SYSTEMS,  
above).  
CHECK THERMOSTAT OPERATION  
If  at  any  time  during  testing  your  system  does  not  operate  
properly, contact a qualified service person.  
2. Connect  wires  beneath  terminal  screws  on  base  using  
appropriate wiring schematic (see figs. 2 through 4).  
Turn on power to the system.  
3. Place  base  over  hole  in  wall  and  mark  mounting  hole  
locations on wall using base as a template.  
Fan Operation  
4. Move base out of the way. Drill mounting holes.  
If your system does not have a G terminal connection, skip to  
Heating System.  
5. Fasten base loosely to wall, as shown in fig. 1, 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.  
1. Move fan switch to ON position. The blower should begin  
to operate.  
2. Move fan switch to AUTO position. The blower should  
stop immediately.  
6. Push excess wire into wall and plug hole with a fire-resistant  
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!
NOTE  
The following wiring diagrams show typical terminal  
identification and wiring. For proper installation, refer to  
the original manufacturer’s instructions.  
Relay contacts shown are thermostatically operated.  
* The 24 Volt neutral connection  
to terminal C on the thermostat  
is not required if you replace  
the batteries once a year with  
fresh “AA” Energizer® alkaline  
batteries.  
Thermostat  
Control  
Circuit  
THERMOSTAT  
SYSTEM  
W2  
C*  
R
Y
Y2  
G
W
Heat  
Relay  
Compressor  
Contactor  
Stage 2  
Stage 1  
Hot  
24 VAC  
120 VAC  
Compressor  
Contactor  
Stage 1  
Heat  
Relay  
Neutral  
TRANSFORMER  
Fan  
Relay  
Stage 2  
Figure 2. Typical wiring diagram for single transformer systems  
* The 24 Volt neutral connection  
to terminal C on the thermostat  
is not required if you replace  
the batteries once a year with  
fresh “AA” Energizer® alkaline  
batteries.  
Thermostat  
Control  
Circuit  
THERMOSTAT  
CUT AND  
TAPE OFF!  
W2  
C*  
R
Y
Y2  
G
W
SYSTEM  
Hot  
Heat  
Relay  
Compressor  
Contactor  
Stage 2  
120 VAC  
24 VAC  
Stage 1  
Hot  
Neutral  
24 VAC  
120 VAC  
Neutral  
TRANSFORMER  
Compressor  
Contactor  
Stage 1  
Heat  
Relay  
Fan  
Relay  
TRANSFORMER  
Stage 2  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
Figure 3. Typical wiring diagram for two-transformer systems with NO safety circuits  
* The 24 Volt neutral connection  
Thermostat  
Control  
to terminal C on the thermostat  
is not required if you replace  
the batteries once a year with  
fresh “AA” Energizer® alkaline  
batteries.  
Circuit  
THERMOSTAT  
SYSTEM  
W2  
C*  
R
Y
Y2  
G
W
Heat  
Relay  
Compressor  
Contactor  
Stage 2  
Limit or  
Safety  
Switches  
Stage 1  
Limit or  
Safety  
Switches  
Hot  
24 VAC  
120 VAC  
Neutral  
Compressor  
Contactor  
Stage 1  
Heat  
Relay  
Fan  
24 VAC  
Accessory  
Relay N.O.  
Contact  
HEATING  
TRANSFORMER  
Relay  
Stage 2  
Common  
Limit or  
Safety  
Switches  
Limit or  
Safety  
Switches  
Hot  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
24 VAC  
120 VAC  
Common  
Neutral  
COOLING  
TRANSFORMER  
Figure 4. Typical wiring diagram for two-transformer systems with safety circuits in BOTH systems  
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Cooling System  
Heating System  
! CAUTION  
To prevent compressor and/or property damage, if the  
outdoor temperature is below 50°F, DO NOT operate  
the cooling system.  
1. Move  SYSTEM  switch  to  HEAT  position.  If  the  heating  
system has a standing pilot, be sure to light it.  
2. Press  
 to adjust thermostat setting above room tempera-  
ture. The heating system should begin to operate.  
1. Move SYSTEM switch to COOL position.  
3. Both stages of the heating system should begin to operate  
when the setpoint is set greater than 3°F above ambient.  
2. Press   
 to adjust thermostat setting below room tempera-  
ture.  The  blower  should  come  on  immediately  on  high  
speed, followed by cold air circulation.  
4. Press  
 to adjust temperature setting below room tem-  
perature. The heating system should stop operating.  
3. Both stages of the cooling system should begin to operate  
when the setpoint is set greater than 3°F below ambient.  
4. Press  
 to adjust temperature setting above room tem-  
perature. The cooling system should stop operating.  
OPERATION  
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. 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.  
1
2
The Thermostat Buttons and Switches  
(see figure 5)  
FAN  
SYSTEM  
ON   AUTO COOL OFFHEAT  
Raises temperature setting.  
Lowers temperature setting.  
FAN switch (ON, AUTO).  
10  
3
4
SYSTEM switch (COOL, OFF, HEAT).  
1 + 2  
F
C
The Display  
BATTERY  
FILTER  
Flame icon ( ) is displayed when the SYSTEM switch is in  
the HEAT position. Snowflake icon ( )is displayed (non-  
flashing) when the SYSTEM switch is in the COOL position.  
Snowflake is displayed (flashing) if the thermostat is in  
lockout mode to prevent the compressor from cycling too  
quickly.  
5
6
5
9
8
7
Figure 5. Thermostat display, buttons, and switches  
Displays current temperature.  
CONFIGURATION MENU  
The configuration menu allows you to set certain thermostat  
operating characteristics to your system or personal require-  
ments.  
Displays FILTER when the system has run for the selected  
filter time period as a reminder to change or clean your air  
filter.  
Displays setpoint temperature (this is blank when SYS-  
TEM switch is in the OFF position).  
Move SYSTEM switch to the OFF position, then press  
 and  
 at the same time to  enter  the  configuration menu. The  
display will show the first item in the configuration menu.  
Displays  BATTERY  and  LO  in  the  current  temperature  
location when the 2 "AA" batteries are low and should be  
replaced.  
The configuration menu chart below summarizes the configura-  
tion options. An explanation of each option follows.  
1 indicates first stage is energized.  
+2 indicates second stage is energized.  
Press  
 and  
 at the same time to change to the next menu  
item. To exit the menu, move the SYSTEM switch to HEAT or  
COOL.  If  no  keys  are  pressed  within  fifteen  minutes,  the  
thermostat will exit the configuration menu.  
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Configuration Menu  
Step  
Press Button(s)  
Displayed (Factory Default) Press  
or  
to select:  
COMMENTS  
1
Set SYSTEM  
switch to OFF  
SYSTEM switch must be OFF to configure thermostat options  
Select FA or SL (Fast or Slow) heating cycle rate  
SL  
2
3
4
and  
and  
and  
and  
(FA)  
d-L  
(ON)  
OFF  
Select display backlight OFF or ON  
Select Filter replacement run time  
FILTER  
(000)  
0 to 1950 hours  
(in 50 hour increments)  
LOC  
(OFF)  
ON  
5
6
Select Compressor lockout OFF or ON  
Select temperature display adjustment higher or lower  
0 HI  
(0)  
4 LO to  
4 HI  
and  
Select temperature display to F or C  
( F)  
C
7
8
and  
and  
1 + 2  
FA  
Select ON to start 2nd stage immediately when the setpoint  
is manually raised more than 3˚F in HEAT or lowered more  
than 3˚F in COOL from room temperature  
OFF  
(ON)  
Returns to normal operation  
Set SYSTEM  
switch to HEAT  
or COOL  
9
2) Select  FA or SL (Fast or Slow) Heating Cycle Rate - The  
FA setting is frequently used for gas, oil or electric heat. The  
SL setting produces a longer heating cycle which is nor-  
mally  for  hot  water  or  steam  (hydronic)  systems.  Both  
settings  produce  very  accurate  temperature  control  and  
can  be  set  to  your  personal  preference.  FA  cycles  the  
system just under 1°F and the SL setting cycles at approxi-  
mately 1.5°F.  
3) Select Display Backlight (d-L OFF or ON) - The display  
backlight improves display contrast in low lighting condi-  
tions. Selecting backlight ON will keep the light on for a  
short period of time after any key is pressed. Selecting OFF  
will keep the light off.  
OPERATING FEATURES  
Now  that  you  are  familiar  with  the  thermostat  buttons  and  
display, read the following information to learn about the many  
features of the thermostat.  
 SIMULTANEOUS  HEATING/COOLING  SETPOINT  
STORAGE — You can enter both your heating and cooling  
setpoints at the same time. There is no need to change the  
thermostat at the beginning of each season.  
 CONFIGURATION  MENU   Allows  you  to  customize  
certain thermostat options.  
4) Select filter replacement run time - The thermostat will  
display FILTER after the selected time of operation. This is  
a reminder to change or clean your air filter. This time can  
be set from 0 to 1950 hours in 50 hour increments. A  
selection of 000 will cancel this feature. When FIL-  
SETTING THE THERMOSTAT  
This thermostat is very easy to operate. Set the SYSTEM switch  
to  either  HEAT  or  COOL  then  press  
  or  
  until  the  
temperature you want to maintain is shown on the right side of  
the display. If you want to turn the system off, just move the  
SYSTEM switch to OFF.  
TER is displayed, you can clear it by pressing    
 and  
  at  the  same  time.  This  resets  the  timer  and  starts  
counting the hours until the next filter change.  
5) Select Compressor Lockout (LOC OFF or ON) - Select-  
ing LOC ON will cause the thermostat to wait 5 minutes  
before turning on the compressor if the heating and cooling  
system loses power. It will also wait 5 minutes minimum  
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  
feature  is  already  present  in  their  system.    When  the  
compressor time delay occurs it will flash the (snowflake  
icon) for about five minutes then turn on the compressor.  
The  FAN  switch  controls  the  fan  operation.  When  the  FAN  
switch is set to AUTO, the fan will cycle with the furnace or air  
conditioner. When the FAN switch is set to ON, the fan will run  
continuously, regardless of SYSTEM switch position.  
TROUBLESHOOTING  
Reset Operation  
If a voltage spike or static discharge blanks out the display or  
causes erratic thermostat operation you can reset the thermo-  
stat by pressing  
,  
 and move the SYSTEM switch from  
6) Select Temperature Display Adjustment (4 LO to 4 HI)  
-  Allows  you  to  adjust  the  room  temperature  display    
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.  
OFF to HEAT at the same time. This also resets the factory  
defaults to the configuration menu. If the thermostat has  
power,  has  been  reset  and  still  does  not  function  correctly  
contact your heating/cooling service person or place of pur-  
chase.  
7) Select Temperature DIsplay (°F or °C)  - Changes the  
display readout to Celsius or Fahrenheit as required.  
Batteries  
8) Select Stage Fast (ON or OFF) - When selected ON, the  
second stage starts as soon as the setpoint temperature is  
manually raised 3°F in heat or lowered 3°F in cool from  
room temperature. When selected OFF, the second stage  
will delay approximately 15 minutes before starting.  
For optimum performance, we recommend replacing batteries  
once a year with fresh "AA" Energizer® alkaline batteries.  
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TROUBLESHOOTING  
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.  
3. Furnace blower compartment door or  
panel loose or not properly installed.  
1. Pilot light not lit.  
Replace fuse or reset breaker.  
Turn switch to ON.  
Replace door panel in proper position to engage  
safety interlock or door switch.  
Re-light pilot.  
No Heat  
2. System Switch not set to Heat.  
Set System Switch to Heat and raise setpoint  
above room temperature.  
3. Loose connection to thermostat or system.  
Verify thermostat and system wires are securely  
attached.  
4. Furnace Lock-Out Condition. Heat may also  
be intermittent.  
Many furnaces have safety devices that shut the  
system down when a lock-out condition occurs.  
If the heat works intermittently contact the furnace  
manufacturer or local service person for assistance.  
Diagonistic: 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  
service person to verify the heating system is  
operating correctly.  
5. Heating System requires service or  
thermostat requires replacement.  
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  
attached.  
3. Cooling System requires service or thermostat  
requires replacement.  
Same procedure 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 configuration  
menu (Item 6).  
Heat, Cool or Fan Runs Constantly.  
1. Fan Switch set to Fan On.  
2. Possible short in wiring.  
3. Possible short in thermostat.  
4. 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. 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.  
Furnace Cycles Too Fast or Too Slow  
(narrow or wide temperature swing)  
1. The location of the thermostat and/or the size  
of the Heating System may be influencing the  
cycle rate.  
Item 2 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.  
Cooling Cycles Too Fast or Too Slow  
(narrow or wide temperature swing)  
1. The location of the thermostat and/or the size  
of the Cooling System may be influencing the  
 cycle rate.  
The cycle rate for cooling is fixed and can not be  
adjusted. Contact a local service person for  
suggestions.  
Thermostat Setting and Thermometer  
Disagree  
1. Thermostat thermometer setting requires  
 adjustment.  
The thermometer can be adjusted +/- 4 degrees as  
listed in item 7 of the Configuration Menu. No other  
adjustment is possible.  
Blank Display and/or Keypad Not  
Responding  
1. Loss of power and dead batteries.  
2. Voltage Spike or Static Discharge.  
Replace batteries and check heat/cool system for  
proper operation. If a voltage spike or static discharge  
occurs use the Reset Operation listed above.  
For additional product information, visit www.white-rodgers.com  

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