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137421N,P Wallplates; T87F Zone
Thermostat and Q539A,B Subbases
APPLICATION
The T87F Thermostat provides 24 Vac single-stage
temperature control of Honeywell Zone Control Panels.
The panel operates the heating or cooling systems and
zone dampers in response to the T87F Zone
Table 1. Thermostat/Wallplate and Subbase Applications and Specifications.
Thermostat
/Wallplate
or Subbase
T87F3707/
To control zones other than zone
137421N
1 using MM-2 or MM-3 Zone
Control Panels. To control zone
T87F3715/
damper actuators in independent
137421P
heating-only systems.
T87F3715/
To control any zone on TZ-3,
Q539A1436
EZ-2, EZ-4, EMM-3 or EMM-3U
or zone one on MM-2 or MM-3
T87F3707/
Zone Control Panels.
Q539A1428
T87F3715/
To control zone damper
Q539B1039
actuators in independent zones
in heating-cooling systems.
T87F3707/
Q539B1021
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of an old control.
® U.S. Registered Trademark
Copyright © 2002 Honeywell •
T87F Zone Thermostat and
Application
•All Rights Reserved
Thermostats. The T87F is used with the 137421N or P
Wallplate (provided) or Q539A or B Subbase (ordered
separately), depending on application. See Table 1 for
thermostat/wallplate and subbase applications and
specifications.
Switching
System
None
None
COOL-OFF-
ON-AUTO
HEAT
HEAT__COOL
None
INSTALLATION
When Installing This Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
2. Disconnect the power supply to prevent electrical
shock or equipment damage.
3. Check the rating given in the instructions and on
the product to make sure the product is suitable for
your application.
4. Installer must be a trained, experienced service
technician.
5. After completing installation, use these instructions
to check out the product operation.
INSTALLATION INSTRUCTIONS
Fan
Comments
Wallplate included with
thermostat. Terminals are
marked: W, R, Y.
Q539A ordered
separately. Terminals
marked: R,W,Y,G,O,B.
Q539B ordered
separately. Terminals
marked: 4,5,6.
69-0579-4
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Table of Contents
Related Manuals for Honeywell T87F
Summary of Contents for Honeywell T87F
- Page 1 Thermostat and Q539A,B Subbases INSTALLATION INSTRUCTIONS APPLICATION Thermostats. The T87F is used with the 137421N or P Wallplate (provided) or Q539A or B Subbase (ordered separately), depending on application. See Table 1 for The T87F Thermostat provides 24 Vac single-stage thermostat/wallplate and subbase applications and temperature control of Honeywell Zone Control Panels.
-
Page 2: Selecting Location
T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES Selecting Location 5. Loosely fasten the thermostat wallplate or subbase to the wall with a screw through the left mounting • Install the thermostat about 5 ft (1.5 meters) above the hole. -
Page 3: Settings And Adjustments
T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES SPIRIT MOLDED POST LEVEL THERMOSTAT THERMOSTAT CABLE CABLE ENTRANCE ENTRANCE HOLE HOLE MOUNTING HOLES 137421 MOUNTING WALLPLATE T87F SLOTS Q539 SUBBASE CAPTIVE MOUNTING SCREWS (3) HORIZONTAL THERMOSTAT CENTER... - Page 4 T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES Q539B IMPORTANT To assure accurate temperature control, do not The Q539B provides System switching to control damper touch or breathe on the thermostat bimetal or actuators in independent zones of heating-cooling thermometer.
- Page 5 T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES Recalibration 11. Turn zone one thermostat dial 10°F (6°C) above room temperature to end call for cooling. The T87F is accurately calibrated at the factory under 12. Unless another thermostat is calling for cooling, controlled conditions and recalibration is not necessary.
- Page 6 T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES 69-0579-4...
- Page 7 T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES 69-0579-4...
- Page 8 T87F ZONE THERMOSTAT AND 137421N,P WALLPLATES; T87F ZONE THERMOSTAT AND Q539A,B SUBBASES Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-0579-4 G.H. Rev. 08-02 www.honeywell.com/yourhome...