Honeywell T7351 ユーザーズマニュアル

63-2666—02

6

a

 Factory jumper between RC and RH for systems with one 

transformer.

b

 For changeover functional details, see Operation section.

c

HC connection is not needed when using a TR23-H sensor.

With the subbase installed, mount the thermostat:

1. Engage the tabs at the top of the thermostat and sub-

base.

2. Swing the thermostat down.

3. Press the lower edge of the case to latch.

NOTE: To remove the thermostat from the wall, first 

pull out at the bottom of the thermostat; then 

remove the top.

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.

NOTE: Refer to Fig. 8 for keypad information.

Refer to Table 2 for the default temperature setpoints. See 

Programming section for complete instructions on changing 

the setpoints.

System default setting is Auto. Fan default setting is On.

NOTE: Use System and Fan keys to change settings.

— Auto: Thermostat automatically changes between heating 

and cooling based on indoor temperature.

— Cool: Thermostat controls only cooling.

— Off: Heating, cooling, and fan are all off.

— Heat: Thermostat controls only heating.

— Em Heat: Auxiliary heat serves as first stage. Compressor 

stages are locked off.

— On: See Table 4.

— Auto: Fan always cycles with call for heating or cooling.

— Conventional: The equipment (i.e. plenum switch) 

controls fan operation in heat mode. The thermostat 

controls fan operation in cool mode.

— Electric Heat: The thermostat controls fan operation in 

both heat and cool modes.

NOTE: Fan operation can extend (delay Off) after the 

heating/cooling turns off:

—

Heating choices are 0 or 90 seconds.

—

Cooling choices are 0 or 40 seconds.

M19609

  

PRESS LOWER EDGE OF CASE TO LATCH.

  

ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.