White Rodgers 37-5086A - Manual
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Table of Contents:
- Page 2 – SELECT THERMOSTAT LOCATION; Locate thermostat about 5 ft. above the floor.; ROUTE WIRES TO LOCATION; Probe for obstructions in partition before drilling; NOTE; Figure 1. Routing thermostat wires
- Page 3 – REPLACEMENT INSTALLATION; REMOVE OLD THERMOSTAT; TABLE 1. OLD THERMOSTAT IDENTIFICATION; TABLE 2. WIRE IDENTIFICATION LABELS; Figure 2. Removing thermostat from subbase
- Page 4 – CAUTION
- Page 5 – Move subbase out of the way. Drill mounting holes.; Figure 8. Typical wiring diagram for millivolt systems
- Page 6 – Figure 13. Back of thermostat; ATTACH THERMOSTAT TO SUBBASE; USE; TO TURN THERMOSTAT OFF BE-; OPERATION; A. SET GROUP A OPTION SWITCHES; Total Keypad Activity; B. SET GROUP B OPTION SWITCHES; Figure 12. Attaching thermostat to subbase
- Page 7 – Heat Only Systems; C. ELECTRIC HEAT SYSTEMS; CHECK THERMOSTAT OPERATION; FAN OPERATION; HEATING SYSTEM; LOCKOUT BYPASS OPTION
- Page 8 – COOLING SYSTEM; F, DO NOT operate the; until COOL is displayed.; Press; TROUBLESHOOTING
PART NO. 37-5086B
Replaces 37-5086A
9517
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
This wall-mounted, low voltage thermostat maintains
room temperature by controlling the operation of heating
and cooling systems. The user may program up to four
time/temperature settings per 24 hour period. The ther-
mostat stores independent heating and cooling programs
for 5-day (weekday) and 2-day (weekend) periods. The
thermostat will store both heating and cooling programs
simultaneously. Three “AA” Energizer
®
batteries will main-
tain the stored program for approximately one year, if
incoming power should fail. If power failure is extensive
and the program is lost, after power restoration, the
t h e r m o s t a t w i l l a u t o m a t i c a l l y m a i n t a i n a f a c t o r y
preprogrammed heating temperature of 64
°
F or a cooling
temperature of 82
°
F.
INSTALLATION INSTRUCTIONS
1F90-71
5-Day/2-Day Electronic Digital Thermostat
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
Printed in U.S.A.
PRECAUTIONS
R
WHITE-RODGERS
Operator: Save these insructions for future use!
If in doubt about whether your wiring is millivolt, line, or low
voltage, have it inspected by a qualified heating and air
conditioning contractor, electrician, or someone familiar
with basic electricity and wiring.
CONTENTS
Description ......................................................... 1
Precautions ........................................................ 1
Specifications ..................................................... 2
Installation .......................................................... 2
New Installation
Select Thermostat Location
Route Wires to Location
Replacement Installation
Remove Old Thermostat
Attach Subbase to Wall
Attach Thermostat to Subbase
Operation ........................................................... 6
System Configuration
A. Set Group A Option Switches
B. Set Group B Option Switches
C. Electric Heat Systems
Check Thermostat Operation
Fan Operation
Heating System
Cooling System
Troubleshooting
Do not exceed the specification ratings.
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 compo-
nents could cause the control to malfunction.
To prevent electrical shock and/or equipment
damage, disconnect electric power to system, at
main fuse or circuit breaker box, until installation
is complete.
Do not use on circuits exceeding specified volt-
age. Higher voltage will damage the control and
could cause shock or fire hazard.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will burn
out thermostat and could cause personal injury
and/or property damage.
CAUTION
!
WARNING
!
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Summary
2 SPECIFICATIONS ELECTRICAL DATAElectrical Rating: 17 to 30 VAC, 50/60 Hz.0.05 to 1.5 Amps1.5 Amps Maximum Total Load (All terminals combined) Anticipation: Heating 2 to 40Cooling 4 to 40 THERMAL DATASetpoint Temperature Range: 40 ° F to 99 ° F (4 ° C to 37 ° C) Operating Ambient Temperature Range: ...
3 REPLACEMENT INSTALLATION REMOVE OLD THERMOSTAT 1. Shut off electricity at the main fuse box until installa-tion is complete. Verify power is off with a voltmeter. 2. Remove the front cover of the old thermostat. Withwires still attached, remove wall plate from the wall. 3. If the old thermostat ha...
4 RH Y MV 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM G W Figure 7. Typical wiring diagram for heat/cool, 4-wire, single transformer systems TRANSFORMER 6 Cooling System Fan Relay Heating System RC JUMPER WIRE G RC 6 MV Y W RH Thermostat Terminal Connections G From 24 VAC transformer From fan relay...
