White Rodgers 1F95-371 Specifications download pdf (Page 3)

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.

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.

RESET SWITCH

See the Troubleshooting section at the end

of this document for more information about

the function of this switch.

E2/P SWITCH

The E2/P switch is located on the back of the

thermostat body (see fig. 2). This switch has

no function on this model.

Figure 2. Switch locations on back of thermostat body

CONFIGURATION

S18

S19

Reset switch

E2/P switch

SWITCHES

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 configuration.

THERMOSTAT TERMINALS (Upper)

L PH D SA SB SC O T

Malfunction Light X-10 Module Input Not Used Remote Sense A Remote Sense B Remote Sense C Outdoor Sensor

THERMOSTAT TERMINALS (Lower)

SYSTEM

E C R W3/A1 W2 E2/P W1 Y2 Y1 B O G

Multi-Stage No Function

24 Volt

(Common)

24 Volt

(Hot)

Heat Mode 3rd

stage

Heat mode 2nd

stage

No function

Heat mode

first stage

Cool mode

2nd stage

Cool mode

1st stage

Energized in

Heat and Off

Mode

Energized in

Cool Mode

Blower/Fan Energized

on call for Cool (and

Heat if confgured to

Electric Heat)

1 2 3 4 5 6 7 8

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White Rodgers 1F95-371 Specifications Page 3

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