Honeywell Honeywell Thermostat 63-2666-03 User's Manual

Honeywell Thermostats User's Manual - Honeywell Thermostat 63-2666-03.
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PRODUCT DATA

63-2666-03

T7351 Commercial Programmable Thermostat

FOR SINGLE- OR MULTI-STAGE CONVENTIONAL/HEAT PUMP SYSTEMS

APPLICATION
The T7351 Commercial Programmable Thermostat controls 

24 Vac commercial single zone heating, ventilating and air 

conditioning (HVAC) equipment. The T7351 consists of a 

thermostat and subbase. The thermostat includes the keypad 

and display for 365-day programming. The subbase includes 

equipment control connections. The subbase mounts on the 

wall and the thermostat mounts to the subbase.

FEATURES
• Typically used in buildings (including: restaurants, 

shopping malls, office buildings and banks) under 

55,000 square feet.

• For single zone rooftop units, split systems, heat 

pumps or hot/chilled water systems.

• 365-day programming.
• Two Occupied and two Not Occupied periods per day.
• Individual heat and cool setpoints available for 

Occupied and Not Occupied periods.

• P+I+D control minimizes temperature fluctuations.
• Recovery ramp control automatically optimizes 

equipment start times based on building load.

• Convenient overrides allow temporary setpoint 

changes.

• Keypad multi-level lockout available with all models.
• Remote sensor capability for temperature (including 

outdoor air and discharge air) and humidity sensors.

• Auxiliary subbase contact typically interface with a 

Honeywell Economizer System (for total rooftop 

control integration) or act as dehumidification output.

• Universal Versaguard Thermostat guards available.

Contents

Application ........................................................................  1

Features ...........................................................................  1

Specifications ...................................................................  2

Ordering Information  ........................................................  2

Setting ..............................................................................  6

Installer Setup  ..................................................................  7

Operation ..........................................................................  12

Troubleshooting Guide (Table 11) .....................................  17

Wiring Diagram (Figures 14 and 15)  ................................  19

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