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Copyright © 1997 Honeywell Inc. • All Rights Reserved
63-4364-1
T7300F Multistage Conventional or Heat
Pump Programmable Commercial
Thermostat
GUIDE SPECIFICATION
1.0 GENERAL
1.1 Overview
The contractor shall furnish, install, and place in operating condition an HVAC control system described herein.
All units shall be located in accordance with the plans.
1.2 Type of System
1.2.1 System Requirements
a. Control up to three heating and two cooling stages for heat pump or three heating and three
cooling stages for gas heat, electric heat or compressor cooling applications.
b. Permit seven day programming.
c. Provide two occupied and two unoccupied periods per day.
d. Offer automatic heat/cool changeover with 2°F minimum deadband.
e. Provide override capability for a 1, 3, 8 or 12 hour period.
f. Include a comfort adjust feature to modify setpoints for the override duration.
g. Provide Proportional plus Integral (P + I) temperature control.
h. Permit automatic or manual changeover between heating and cooling setpoints.
i. Display room temperature in °F, °C or no room temperature display.
j. Display time in 12 or 14 hour clock format.
k. Disable system and fan selections so both are in AUTO continuously.
l. Use multiple remote sensors (optional).
m. Use both local and remote temperature sensor (optional).
n. Use in conjunction with an economizer (optional).
o. Setpoint range stops for lowest cooling setpoint temperature and highest heating setpoint
temperature (optional).
p. Permit deadband between heating and cooling setpoints to be adjustable between 2°F and
10°F (optional).
q. Permit extended fan operation after calls for heating or cooling are completed (optional).
1.2.2 System Components
a. Seven day programmable thermostat.
b. Subbase.
c. Duct mount return air sensor (optional).
d. Wall mount sensor (optional).
e. Discharge air sensor (optional).
1.3 Codes and Standards
1.3.1 The system shall comply with applicable provisions of ASHRAE 90-75.
1.3.2 These specifications are based on equipment from Honeywell to set a standard for design and quality.
1.4 Wiring
1.4.1 All wiring meets National Electrical Codes and local electrical codes.
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