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PRODUCT DATA
63- 4355- 4
® U.S. Registered Trademark
Copyright © 2001 Honeywell • • All Rights Reserved
T7200D,E, T7300D,E,F and Q7300
Series 2000 Programmable Commercial
Thermostats and Subbases
APPLICATION
The T7200, T7300 Thermostats and Q7300 Subbases control
24 Vac commercial single zone heating, ventilating and air
conditioning (HVAC) equipment. In addition, the Q7300H
Communicating Subbase can communicate schedule
information and system instructions to other devices in a
L
ON
W
ORKS
®
network.
FEATURES
All Models:
• 7-day programming.
• Two Occupied and two Unoccupied periods per day.
• Individual heat and cool setpoints available for
Occupied and Unoccupied periods.
• Proportional plus Integral (P+I) control eliminates
temperature fluctuations.
• Intelligent Recovery
®
control automatically optimizes
equipment start times based on building load.
• Intelligent Fan™ feature energizes fan continuously in
the Occupied periods. Fan can also be configured for
conventional heat or electric heat fan operation.
• Automatic or manual changeover models available.
• Universal Versaguard™ Thermostat guards available.
• Convenient overrides allow temporary setpoint
changes.
• Keypad lockout available.
T7200D,E Thermostats:
• Use on single-stage conventional (T7200D) or heat
pump (T7200E) applications.
T7300D,E Thermostats:
• Use on multistage conventional (T7300D) or heat pump
(T7300E) applications.
• Models available with remote sensor capability.
T7300F Thermostats:
• Use on single-stage or multistage system in
conventional or heat pump applications.
• Auxiliary contacts on Q7300 can be used to interface
with C7400/W7459 Economizer System for total
integration of rooftop control.
• Remote temperature sensors available for use with
all models.
• Different levels of keypad lockout available.
Q7300 Subbase:
• Use with T7300D,E,F Thermostats.
• Auxiliary contacts can be used to interface with
C7400/W7459 Economizer System for total integration
of rooftop control.
• When used with the T7300F (revision 4 or later), the
Q7300H communicates with other network devices.
• Q7300L two stages of heat control ML7984 and V5011/
V5013 valve: stage 1 opens valve 40%; stage 2 100%.
• Q7300L provides two-speed fan control:
— Low: heat and occupied fan.
— High: cooling.
Contents
Application ........................................................................ 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 5
Wiring Subbase/Wallplate ................................................ 7
Settings ............................................................................ 9
Installer Setup .................................................................. 10
Installer System Test ........................................................ 13
Programming .................................................................... 16
Operation .......................................................................... 19
General Operation Information ......................................... 21
Troubleshooting Guide ..................................................... 22
Cross Reference .............................................................. 23
Wiring Diagrams (Fig. 20-34) ........................................... 29