Honeywell programmable thermostat User Manual

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63-2652—01

T7351
Programmable Thermostat

FOR CONVENTIONAL/HEAT PUMP
SYSTEMS

User’s Guide

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.

• 7-day programming.

• Two Occupied and two Not Occupied
periods per day.

• Keypad multi-level lockout available with
all models.

• Individual heat and cool setpoints
available for Occupied and Not Occupied
periods.

• Convenient overrides allow temporary
setpoint changes.

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• Intelligent Fan™ feature energizes fan
continuously in the Occupied periods.
Fan can also be configured for
conventional heat or electric heat fan
operation.

• Remote sensor capability for temperature
(including outdoor air and discharge air)
and humidity sensors.

• Recovery ramping control automatically
optimizes equipment start times based
on building load.

• Universal Versaguard™ Thermostat
guards available.

• Auxiliary subbase contact typically
interface with a Honeywell Economizer
System (for total rooftop control
integration) or act as dehumidification
output.

SETTINGS

Using Thermostat Keys

The thermostat keys are used to:

• set current time and day,

• program times and setpoints for heating and
cooling,

• override the program temperatures,

• display present setting,

• set system and fan operation,

• perform simple configuration.

Table 1. Default Setpoints.

Control Occupied Not Occupied Standby

Heating 70°F (21°C) 55°F (13°C) 67°F (19°C)

Cooling 75 °F (24 °C) 85 °F (29 °C) 78 °F (26 °C)

NOTE: See Fig. 1 for keypad information.

Setting Temperature

Refer to Table 1 for default temperature
setpoints. See Programming section for
complete instructions on changing these.

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Setting System and Fan

System default setting is Auto. The fan default
is set so the fan operates continuously during:
— Occupied periods,
— Heating and cooling equipment stages in

Not Occupied and recovery periods.

NOTE: Use System and Fan keys to change

settings.

System Settings

— Auto: Thermostat automatically changes

between heating and cooling based on
sensed indoor temperature.

— Cool: Thermostat controls cooling.
— Off: Heating, cooling, and fan are all off.
— Heat: Thermostat controls heating.
— Em Heat: Auxiliary heat serves as first stage.

Compressor stages are locked off.

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Fan Settings

— On: Fan operates continuously in occupied

and standby periods. Fan cycles with call for
heat or cool during not occupied periods.

— Auto: Fan cycles with call for heating or

cooling during occupied, standby, and not
occupied periods.

NOTE: This is further modified by selection of

conventional or electric heat.