1 63-4038—7
T7200, T7300 and Q7300
Programmable Commercial
Thermostats and Subbases
J. A. • Rev. 12-95 • • ©Honeywell Inc. 1995
The T7200, T7300 Thermostats and Q7300 Sub-
bases control commerical single zone heating, ven-
tilating and air conditioning (HVAC) equipment.
■ One model can be used for single-stage and multi-
stage applications.
■ 7-day programming—two occupied/unoccupied
periods per day.
■ Individual temperature setpoints for:
—Occupied heat and cool.
—Unoccupied heat and cool.
■ Proportional plus integral control—eliminates temp-
erature fluctuations and thermostat tampering.
■ Intelligent Recovery™—automatically optimizes
start time depending on building load.
■ Intelligent Fan™—energizes fan on call for heating
or cooling only. Fan can be configured to run cont-
inuously in occupied mode.
■ Automatic heat/cool changeover.
■ Universal Versaguard™ Thermostat Guard avail-
able for T7200 and T7300/Q7300.
■ Locking setpoints and schedules eliminate tamp-
ering (use keyboard security).
■ One thermostat can be used for heat pump or con-
ventional control.
■ Optional remote sensors.
■ Configurable to vary fan and reversing valve operation.
■ Use with Q7300 to interface with C7400/W7459
Economizer System for total integration of rooftop
control.
■ Convenient overrides allow temporary changes.
■ Battery backup saves program and maintains clock
time during power failure.
■ Auxiliary contacts available for use with economizer.
CONTENTS
Specifications ................................................ 2
Ordering Information .................................... 2
Recycling Notice............................................ 4
Installation .................................................... 4
Temperature Averaging Networks
(See Fig. 5-9) ........................................ 5
Set Q7300 Subbase DIP Switches............. 6
Set Thermostat DIP Switches.................... 9
Set Thermostat Mini-Jumper .................. 11
Program the Thermostat ............................. 12
Checkout...................................................... 13
Test Mode................................................ 13
Operation .................................................... 15
Cross Reference .......................................... 18
Wiring Diagrams......................................... 22
Troubleshooting .......................................... 45
M3375
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