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WHITE-RODGERS
INSTALLATION
DESCRIPTION
This White-Rodgers Automatic Setback
Digital Thermostat uses microcomputer
technology to provide precise time and
SPECIFICATIONS
1F94-371: 7 Day programming; residen-
tial applications
ELECTRICAL DATA
Electrical Rating:
20 to 30 VAC, 50/60 Hz with common
0.05 to 1.5 Amps per terminal
2.5 Amps maximum total load (all
terminals combined)
PRECAUTIONS
WARNING
!
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.
Do not use on circuits exceeding
specified voltage. Higher voltage will
damage thermostat and could cause
shock or fire hazard.
Thermostat installation and all compo-
nents of the system shall conform to
Class II circuits per the NEC code.
COMFORT-SET 90
HEAT PUMP
temperature control. This thermostat offers
the flexibility to design heating and cooling
programs that fit building needs. This
Standard Systems:
Single-stage or two-stage compressor
heat pump.
THERMAL DATA
Setpoint Temperature Range:
45 to 99 F (7 to 37 C)
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.
NOTE
Read all instructions thoroughly before
beginning installation.
®
SERIES
INSTALLATION/CONFIGURATION
thermostat is adaptable to most 24 volt
residential forced air heat pump systems with
electric or fossil fuel auxiliary.
Operating Ambient Temperature:
32 to 110 F (0 to 43 C)
Operating Humidity Range:
90% non-condensing max.
Shipping Temperature Range:
-4 to 149 F (-20 to 65 C)
This thermostat is intended for use with a
low voltage system. Do not use on a line
voltage system.
Do not exceed ratings shown in the Specifi-
cations section, above. If in doubt about the
electrical ratings of your heating/cooling
system, have it inspected by a qualified
heating and air conditioning contractor or
licensed electrician.
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.
Part No. 37-6186B
Replaces 37-6186A
0121
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Table of Contents
Related Manuals for White Rodgers 37-6186B
Summary of Contents for White Rodgers 37-6186B
-
Page 1: Heat Pump
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. Part No. 37-6186B Replaces 37-6186A 0121... - Page 2 INSTALLATION ATTENTION! This product does not contain mercury. However, this product may replace a unit which contains mercury. 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.
- Page 3 HEAT PUMP TERMINAL OUTPUTS Refer to equipment manufacturers’ instruc- tions for specific system wiring information. You can configure the thermostat for use with the following heat pump system types: HEAT PUMP TYPE 1. Single-stage compressor system; gas or electric backup. HEAT PUMP TYPE 2.
- Page 4 CONFIGURATION SWITCHES RESET SWITCH See the Troubleshooting section at the end of this document for more information about the function of this switch. E2/P SWITCH The E2/P switch is located on the back of the thermostat body (see fig. 2). This switch controls how the E2/P terminal of the thermostat will be energized.
- Page 5 INSTALLER TABLE NOTE: You must be in the User Configuration Menu to enter the Installer Menu. Press TIME and TIME at same time. BACK Step Press Button(s) Displayed (Factory Default) HEAT PUMP TIME and SET (hold for approx. 3 seconds) ELECT HEAT FAN TIME TIME...
- Page 6 The chart below shows how this adjustment range affects thermostat performance. PROGRAMMABLE COOL FAN-OFF AND FAN-ON DELAY. (Installer table steps 6 and 7.) These items allow a selection of 0 to 127 seconds of fan- off delay after the thermostat has satisfied the call for cool, or a fan-on delay of 1 to 30 seconds on a call for cool (or heat pump compressor activation).
- Page 7 (Installer table step 16). If you wish to sense indoor temperature using ONLY the remote sensor(s), use this menu item to disable the temperature sensor in the thermostat (designated as the L sensor). When operating with remote sensor(s), the thermostat will calculate an average of the sensed temperatures in all enabled sensor locations (A, B, C and/or L), then display the average temperature as the room tempera-...
- Page 8 TROUBLESHOOTING RESET BUTTON If the thermostat does not respond when keys are pressed, or the thermostat is not operating properly, you may use the reset button located on the back of the thermostat body (see fig. 2). Thermostat programming and configuration will not be affected by pressing the reset button.
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