White Rodgers 1F95-391 Multi-Stageterminal Outputs, Heat Pump Terminal Outputs, Configuration

MULTI-STAGE TERMINAL OUTPUTS

Refer to equipment manufacturers’ instruc- tions for specific system wiring information.

You can configure the thermostat for use with either multi-stage electric heat systems or multi-stage gas systems. When configured

for electric heat, the G terminal (blower/fan) will be energized on a call for heat, using the installer table (pgs. 5 & 6).

This thermostat is designed to operate a single-transformer system. If you have a two- transformer system, cut and tape off one transformer. If transformer safety circuits are in only one of the systems, remove the transformer of the system with NO safety circuits. If required, replace remaining transformer with a 75VA Class II transformer. After disconnecting one transformer, the two commons must be jumpered together.

Use the terminal output information below to help you wire the thermostat properly for your multi-stage system. After wiring, see

CONFIGURATIONsection for proper thermostat configuration.

THERMOSTAT TERMINALS (Upper)

L	SA	SB	SC	OT
Malfunction Light	Remote Sense A	Remote Sense B	Remote Sense C	Outdoor Sensor

THERMOSTAT TERMINALS (Lower)

SYSTEM	C	R	HM	W2	DHM	E/W1	Y2	Y1	B	O	G
Multi-Stage	24 Volt	24 Volt	Energizes on a	Heat mode	E2/P switch in the P position,	Heat mode	Cool mode	Cool mode	Energized in Heat	Energized in	Blower/Fan
	(Common)	(Hot)	call for heat if	2nd stage	Energizes on a call for	1st stage	2nd stage	1st stage	and Off Mode	Cool Mode	Energized on
			Humidity setpoint is		Dehumidification.						call for Cool
			above room		E2/P switch in E2 position,						(and Heat if
			humidity.		De-energizes on a						configured
					call for Dehumidification.						to Electric Heat).

HEAT PUMP TERMINAL OUTPUTS

Refer to equipment manufacturers’ instruc- tions for specific system wiring information.

You can configure the thermostat for use with the following heat pump system types:

HEAT PUMP TYPE		1.		Single-stage
compressor	system;		gas or electric backup.
HEAT PUMP TYPE		2.		Multi-stage or two-
compressor	system;		gas or electric backup.

This thermostat is designed to operate a single-transformer system. If you have a two- transformer system, cut and tape off one transformer. If transformer safety circuits are in only one of the systems, remove the transformer of the system with NO safety circuits. If required, replace remaining transformer with a 75VA Class II transformer. After disconnecting one transformer, the two commons must be jumpered together.

Use the terminal output information below to help you wire the thermostat properly for your heat pump system type. After wiring,

see	CONFIGURATION	section for proper
thermostat configuration.

THERMOSTAT TERMINALS (Upper)

L	SA	SB	SC	OT
Malfunction Light	Remote Sense A	Remote Sense B	Remote Sense C	Outdoor Sensor

THERMOSTAT TERMINALS (Lower)

SYSTEM	C	R	HM	W2	DHM	E/W1	Y2	Y1	B	O	G
Single-stage compressor system; gas or electric backup
Heat Pump 1	24 Volt	24 Volt	Energizes on a	Heat mode	E2/P switch in P position,	Heat mode	No Output	Heat and	Energized in Heat,	Energized in	Blower/Fan
	(Common)	(Hot)	call for heat if	3rd stage,	Energizes on a call for	2nd stage,		Cool mode	Off, Emergency	Cool Mode	Energized on
			Humidity setpoint is	Emergency Mode	Dehumidification.	Emergency Mode		1st stage	Mode		call for Heat and Cool
			above room	2nd stage	E2/P switch in E2 position,	1st stage		(compressor 1)
			humidity.		De-energizes on a
					call for Dehumidification.
Multi-stage or two compressor system; gas or electric backup
Heat Pump 2	24 Volt	24 Volt	Energizes on a	Emergency Mode	E2/P switch in P position,	Heat mode	Heat and	Heat and	Energized in Heat,	Energized in	Blower/Fan
	(Common)	(Hot)	call for heat if	2nd stage	Energizes on a call for	3rd stage,	Cool mode	Cool mode	Off, Emergency	Cool Mode
											Energized on
			Humidity setpoint is		Dehumidification.	Emergency Mode	2nd stage	1st stage	Mode
											call for Heat and Cool
			above room		E2/P switch in E2 position,	1st stage	(compressor 2)	(compressor 1)
			humidity.		De-energizes on a
					call for Dehumidification.

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