White Rodgers 1.00E+56 Thermostat User Manual

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TYPE 1E56  
WHITE-RODGERS  
Low Voltage Heating/Cooling Thermostat  
INSTALLATION 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  
This low voltage thermostat is designed to provide conve-  
nient control of the heating/cooling system. To provide  
greater room comfort, the sensitive spiral bimetal is com-  
bined with an adjustable heating anticipator and a fixed  
cooling anticipator to provide maximum comfort.  
PRECAUTIONS  
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.  
Ifindoubtaboutwhetheryourwiringismillivolt,line,orlow  
voltage, have it inspected by a qualified heating and air  
conditioning contractor, electrician, or someone familiar  
with basic electricity and wiring.  
!
Do not exceed the specification ratings.  
All wiring must conform to local and national electrical  
codes and ordinances.  
Do not short out terminals on gas valve or pri-  
marycontroltotest. Shortorincorrectwiringwill  
burn out heat anticipator and could cause per-  
sonal injury and/or property damage.  
This control is a precision instrument, and should be  
handled carefully. Rough handling or distorting compo-  
nents could cause the control to malfunction.  
WARNING  
!
CONTENTS  
Donotuseoncircuitsexceeding30volts. Higher  
voltage will damage control and could cause  
shock or fire hazard.  
Description ......................................................... 1  
Precautions ........................................................ 1  
Installation.......................................................... 2  
Select Thermostat Location  
Route Wires to Location  
Attach Subbase to Walls  
Attach Thermostat to Subbase  
Operation & Maintenance .................................. 5  
Adjusting Heat Anticipator  
Calibrating Thermostat  
WHITE-RODGERS DIVISION  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
ST. LOUIS, MISSOURI 63123-5398  
PART NO. 37-2196B  
Replaces 37-2196  
9509  
Printed in U.S.A.  
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INSTALLATION  
1
⁄ ” hole for  
2
SELECT THERMOSTAT LOCATION  
thermostat wire  
Proper location insures that the thermostat will provide a  
comfortable home temperature. Observe the following  
general rules when selecting a location:  
Stout cord with 6”  
chain attached  
Approximately  
5 feet from floor  
Baseboard  
strip moulding  
1. Locate thermostat about 5 ft. above the floor.  
1
⁄ ” guide hole  
4
for sighting  
2. Install thermostat on a partitioning wall, not on an  
outside wall.  
Quarter round  
removed  
3. Never expose thermostat to direct light from lamps,  
sun, fireplaces or any temperature radiating equip-  
ment.  
4. Avoid locations close to windows, adjoining outside  
walls, or doors that lead outside.  
3
⁄ ” hole in floor of partition  
4
Hooked wire for snagging chain  
5. Avoid locations close to air registers or in the direct  
path of air from them.  
Figure 1. Routing thermostat wires  
6. Make sure there are no pipes or duct work in that part  
of the wall chosen for the thermostat location.  
ATTACH SUBBASE TO WALL  
7. Never locate thermostat in a room that is warmer or  
cooler than the rest of the home, such as the kitchen.  
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.  
8. Avoid locations with poor air circulation, such as be-  
hind doors or in alcoves.  
9. The living or dining room is normally a good location,  
provided there is no cooking range or refrigerator on  
opposite side of wall.  
1. Disconnect electrical power at main fuse or circuit  
breaker.  
2. Pullwiresthroughopeningnearcenterofsubbaseand  
connect wires beneath terminal screws (see figs. 2  
and 3 for typical wiring for each application.  
ROUTE WIRES TO LOCATION  
NOTE  
3. Push excess wiring into wall and plug hole with fire-  
resistant material (such as fiberglass insulation) to  
prevent drafts from affecting thermostat operation.  
All wiring must conform with local and national electrical  
codes and ordinances.  
1. If an old thermostat being replaced is in a satisfactory  
location, and the wiring appears to be in good condi-  
tion, use existing wiring. If in doubt, re-wire.  
4. Position subbase over hole in wall and mark mounting  
hole locations on wall.  
5. Drill mounting holes.  
2. Ifanewlocationischosenorifthisisanewinstallation,  
thermostat wiring must first be run to the location  
selected.  
6. Fasten subbase loosely to wall, as shown, using two  
mounting screws. Place a level against bottom of  
subbase, adjust until level, and then tighten mounting  
screws to secure subbase. If holes in wall are too large  
and do not allow you to tighten subbase snugly, use  
plastic screw anchors to secure subbase.  
1
3. Probe for obstructions in partition before drilling ⁄  
2
hole in wall at selected location. Take up quarter  
round and drill a small guide hole for sighting (see  
fig. 1). From basement, drill 3⁄  
4
” hole in partition floor  
next to guide hole. In houses without basements, drill  
1
2” hole through ceiling and into partition from above  
(see fig. 1).  
4. Through this hole drop a light chain, or 6” chain  
attached to a strong cord. Snag cord in basement with  
hooked wire. In houses without basements, drop cord  
through hole in ceiling and down partitioning; snag  
cord at the thermostat location.  
5. Attach thermostat wires to cord and pull thermostat  
wires through hole in wall so that 6” of wire protrudes.  
2
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COOL  
HEAT  
COOL  
HEAT  
Thermostat  
Contacts  
Thermostat  
Contacts  
Cooling  
Cooling  
Anticipator  
Anticipator  
In “OFF” position  
system switch breaks  
both heating and  
cooling circuits  
In “OFF” position  
system switch breaks  
both heating and  
cooling circuits  
Heating  
Anticipator  
Heating  
Anticipator  
Fan  
Fan  
Switch  
Switch  
System  
System  
COOL  
HEAT  
COOL  
HEAT  
ON  
AUTO  
ON  
AUTO  
W
4
G
Y
RC  
W
4
G
Y
RC  
Hot  
Field Installed  
Jumper  
24 VAC  
Neutral  
120 VAC  
Cooling  
System  
Heating  
System  
Fan  
Relay  
Cooling  
System  
Fan  
Relay  
Heating  
System  
Heating Transformer  
Hot  
24 VAC  
Neutral  
Hot  
120 VAC  
24 VAC  
Neutral  
120 VAC  
Cooling Transformer  
Figure 2. For installations where heating and  
cooling systems are powered by the same transformer  
Figure 3. For installations where heating system  
is powered by a separate transformer  
ATTACH THERMOSTAT TO SUBBASE  
Captive  
screws  
1. Remove cover from thermostat base by gripping the  
base in one hand. Use the other hand to pull gently at  
the top or bottom of the cover.  
O
A
U
T
HR  
F
A
N
O
O
N
70  
60  
G
80  
90  
50  
A
2. Carefully remove the shipping protective packing from  
the switch.  
Y
RC  
C
O
O
L
S
Y
S
T
E
M
O
F
F
W
3. Attach thermostat base to subbase, being sure that all  
captive screws are tightened snugly, since they serve  
as electrical connections between thermostat and  
subbase (see fig. 4).  
B
H
E
A
T
50  
60  
70  
80  
90  
THERMOSTAT  
BASE  
4. Snap cover on thermostat and set switches and tem-  
perature lever to desired setpoint (see OPERATION  
section).  
COVER  
Figure 4. Attach thermostat to subbase  
5. Turn on power to the system.  
OPERATION &  
MAINTENANCE  
This thermostat is easy to operate. Fig. 5  
Shows switch position  
shows how the heating/cooling system  
and fan operate when the switches are in  
various positions. Use the system switch  
to select either heating or cooling, or to  
turn the heating/cooling system off. Use  
the fan switch to control fan operation.  
When the fan switch is in the AUTO  
position,thefanwillcyclewiththeheating  
or cooling system (the fan will not run if  
the system switch is in the OFF position  
and the fan switch is in the AUTO posi-  
tion). When the fan switch is in the ON  
position, the fan will run continuously,  
regardlessofsystemswitchposition(even  
if the system switch is set to OFF, the fan  
will run if the fan switch is in the ON  
position).  
FAN  
SYSTEM  
OPERATION  
AUTO ON  
COOL OFF HEAT  
No heating; no cooling; no fan  
No heating; no cooling; fan runs continuously  
Cooling system cycles from thermostat; fan runs  
continuously  
Cooling system and fan cycle from thermostat  
Heating system cycles from thermostat; fan cycles  
from fan control on furnace  
Heating system cycles from thermostat; fan runs  
continuously  
Figure 5. Subbase switching and thermostat/system operation  
3
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5. Replacethermostatcover. Wait10minutesforbimetal  
temperaturetostabilize.Donotstandnearthethermo-  
stat during this period, as your breath and body heat  
will affect bimetal temperature.  
ADJUSTING HEAT ANTICIPATOR  
CAUTION  
!
The adjustable heat anticipator WILL BURN OUT  
if 25 VAC is applied directly to the thermostat by  
shorting out the primary control during testing.  
This may cause personal injury and/or property  
damage.  
6. Move temperature adjustment lever to correspond to  
actual room temperature. Then remove thermostat  
cover.  
7. Slip 732” wrench onto hex nut. While holding tempera-  
ture adjustment lever stationary, turn hex nut counter-  
clockwise until mercury just barely shifts to the left end  
of the tube (see fig. 7).  
This thermostat is equipped with an adjustable heat  
anticipator and was preset at the factory to provide  
satisfactoryoperationoftheheatingsystemundernormal  
conditions. If additional adjustments are necessary, they  
may be made as follows (see fig. 6):  
8. Replace thermostat cover and set temperature adjust-  
ment lever to desired temperature. Turn on electrical  
power to system.  
1. Remove thermostat cover.  
2. If heat cycle is too long, set heat anticipator to a slightly  
lower dial setting (1⁄  
division).  
2
.25  
.3  
3. If heat cycle is too short, set heat anticipator to a  
.4  
slightly higher dial setting (1⁄  
2
division).  
.2  
.5  
.18  
4. Replace thermostat cover.  
.6  
.8  
.15  
1.  
Move this lever  
to adjust heat  
anticipator  
Arrow points to the  
CALIBRATING THERMOSTAT  
matched current rating  
of the primary control  
This thermostat has been carefully adjusted at the factory  
and should not require recalibration.  
Figure 6. Anticipator adjustment  
Duetoenvironmentalconditions,duringnormaloperation  
there may be a few degrees of difference between the  
indicator setting of the thermostat and actual room tem-  
perature. If the disagreement is appreciable, however,  
first make sure that the thermostat is properly located and  
leveled. Then, if recalibration still seems necessary, pro-  
ceed as follows:  
CAUTION  
!
7
32”  
Calibration  
wrench  
Bimetal  
To prevent electrical shock and/or equipment  
damage, disconnect electrical power to the sys-  
tem until recalibration is complete.  
Temperature  
adjustment  
lever  
1. Theanticipator’sheatmayadverselyaffectthermostat  
recalibration. To prevent this, disconnect electrical  
power to the thermostat at the furnace, main fuse, or  
breaker box.  
2. Move temperature adjustment lever to a setting about  
5° above room temperature.  
Figure 7. Calibrating thermostat  
3. Remove thermostat cover. Slip 732” wrench onto hex  
nut beneath bimetal. While holding temperature ad-  
justment lever stationary, turn hex nut clockwise until  
mercury shifts to the right end of the tube (see fig. 7).  
4. Move temperature adjustment lever to lowest setting.  

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