Honeywell 63-2666-03 ユーザーズマニュアル

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