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White-Rodgers 1F83-277 Heating & Air Conditioning Auto Changeover Heat Pump Thermostat User Manual

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Multi-Stage Terminal Outputs

Refer to equipment manufacturers' instructions for specific one transformer. If transformer safety circuits are in only one of

system wiring information.

the systems, remove the transformer of the system with NO

safety circuits. If required, replace remaining transformer with a

75VAClassIItransformer. Afterdisconnectingonetransformer,

the two commons must be jumpered together.

You can configure the thermostat for use with either multi-stage

electric heat systems or multi-stage gas systems. When config-

ured for electric heat, the G terminal (blower/fan) will be

energized on a call for heat.

Use the terminal output information below to help you wire the

thermostat properly for your multi-stage system. After wiring,

see CONFIGURATION section for proper thermostat configu-

ration.

This thermostat is designed to operate a single-transformer

system. If you have a two-transformer system, cut and tape off

THERMOSTAT TERMINALS (MULTI-STAGE)

W2 E/W1 Y2 Y1

Multi-stage Malfunction 24 Volt 24 Volt Heat Mode Heat mode Cool Mode Cool Mode Blower/Fan Energized Energized Energized

SYSTEM

Light

(Common) (Hot) 2nd stage 1st stage 2nd stage 1st stage on call for Cool (and

in Cool in Heat, Off,

Heat if configured

to Electric Heat)

Mode

Emergency

Modes

*The 24 volt neutral connection to terminal C on the thermostat is not required if you replace the batteries once a year with fresh “AA” alkaline batteries.

CHECK THERMOSTAT OPERATION

Emergency System

NOTE

EMER bypasses the Heat Pump to use the heat source wired

to terminal E on the thermostat. EMER is typically used when

compressor operation is not desired, or you prefer back-up

heat only.

To prevent static discharge problems, touch side of

thermostat to release static build-up before touching

any keys.

1. Press SYSTEM button to select EMER. “EMER” will flash

on the display.

If at any time during testing your system does not operate

properly, contact a qualified service person.

2. Press

to adjust thermostat setting above room

temperature. The Aux. heating system will begin to

Fan Operation

operate. The display will show “STG1” flashing “EMER”

If your system does not have a G terminal connection, skip to

Heating System.

and Flame icon ( ) to indicate that the Aux. system is

operating.

1. Turn on power to system.

2. Move FAN switch to ON position. The blower should be-

gin to operate.

3. Adjust temperature setting to 3° above room temperature.

The auxiliary heat system should begin to operate and

the display should show “STG1+2”.

3. Move FAN switch to AUTO position. The blower should

stop immediately.

4. Press to adjust the thermostat below room tempera-

ture. The Aux. heating system should stop operating.

CAUTION

To prevent compressor and/or property damage, if the

outdoor temperature is below 50°F, DO NOT operate

the cooling system.

Do not allow the compressor to run unless the com-

pressor oil heaters have been operational for 6 hours

and the system has not been operational for at least 5

minutes.

Cooling System

Heating System

1. Press SYSTEM button to select the Snowflake icon ( ).

2. Press

1. Press SYSTEM button to select the Flame icon ( ). If

the auxiliary heating system has a standing pilot, be sure

to light it.

to adjust thermostat setting below room

temperature. The blower should come on immediately on

high speed, followed by cold air circulation. The display

should show “STG1”.

2. Press

to adjust thermostat setting to 1° above room

3. Adjust temperature setting to 3° below room temperature.

The second stage cooling should begin to operate and

the display should show “STG1+2”.

temperature. The heating system should begin to

operate. The display should show “STG1”. However, if

the setpoint temperature display is flashing, the compres-

sor lockout feature is operating (see Configuration menu,

item 5).

4. Press

to adjust the temperature setting above room

temperature. The cooling system should stop operating.

3. Adjust temperature setting to 3° above room temperature.

If your system configuration is set at MS2, HP2 or HP1,

the auxiliary heat system should begin to operate and the

display should show “STG1+2”.

4. Press

to adjust the thermostat below room tempera-

ture. The heating system should stop operating.

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General	Details
Name	White-Rodgers 1F83-277 Heating & Air Conditioning Auto Changeover Heat Pump Thermostat User Manual
Make	WHITE RODGERS
Language	English
Filetype	PDF (Download)
File size	0.24 MB

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