PRODUCT DATA
60-2222-3
® U.S. Registered Trademark
Copyright © 2002 Honeywell • All Rights Reserved
T87F Thermostats
APPLICATION
T87F Thermostats provide temperature control for residential
heating, cooling, or heating-cooling systems. The T87F is
designed with a dustproof spdt mercury switch, an adjustable
heat anticipator and a concealed wallplate for 2-wire heating
hookups. The Tradeline® T87F wallplate is designed for 2-
wire heating or cooling, 3-wire spdt heating (series 20), or 3-
wire spdt heating-cooling with remote switching. The wallplate
also provides cooling anticipation.
The Q539 Subbase may be added for system and fan
switching. The Q539 Subbase also provides cooling
anticipation.
FEATURES
• For 24 Vac to 30 Vac control of heating or cooling
systems.
• Thermostat cover ring may be painted to match room
decor.
• Knurled dial provides easy setpoint adjustment.
• Separate temperature setting and thermometer scale
located on face of thermostat.
• T87F distinctive style makes an attractive addition to
almost any decor.
• Enhanced setpoint visibility model available for the
visually impaired.
T87F Easy-to-
See™ Round
Model
T87F Designer
Model
T87F Standard
Model
Contents
Application.........................................................................1
Features ............................................................................1
Specifications ....................................................................2
Ordering Information .........................................................2
Installation .........................................................................3
Wiring ................................................................................4
Settings and Checkout ......................................................7
Operation...........................................................................8
Recalibration .....................................................................8