White Rodgers 1F95-1277 User Manual [es, en]

0 (0)

Big Blue Universal Thermostat

Wiring Diagrams for 1F95-1277

Single Stage, Multi-Stage, Heat Pump

Heat Pump Connections

If you do not have a heat pump system, refer to figures 2 & 3.

HEAT PUMP TYPE 1 (HP 1). Single stage compressor system; gas

Refer to equipment manufacturers' instructions for specific system

or electric backup.

wiring information.

HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two com-

You can configure the thermostat for use with the following heat

pressor system with gas or electric backup.

pump systems.

After wiring, see INSTALLER CONFIGURATION section for proper

Figure 1 – Heat Pump Systems

thermostat configuration.

To Remote Temperature Sensor

NOTE: If your system does not

provide an E connection, jumper W2

Jumper

{

Jumper

to W/E to use the Auxiliary Heat in the

Emergency Mode.

W/E

* 24 VAC common connection

System

optional for system operation.

(Dual

Heat

Fuel

Required for fault or malfunction indi-

Blower/

disabled)

Power

Fault

Pump 1

1st

cation, remote temperature sensor, or

Energiz-

Output

Circula-

24 VAC

supply

Remote

Return

Emer-

Auxil-

Closed

(HP1)

Energiz-

Stage

tor Fan

voltage

gency

Conn-

Indicator

for continuous backlight operation.

ed in

Heat &

24 VAC

Com-

Temp-

heat

iary &

ed in

Energiz-

mon

to re-

erature

Remote

2nd stage

ection

Heat/

Cool

(Hot)

Emer-

System

Emer-

Cool

2nd

(Com-

ed on

Cool

Heat

(option-

mote

Sensor

Temp-

(Dual

gency

for

Malfunc-

** Dual fuel option de-energizes

Heat

gency

& Off

call for

al) *

Temp-

signal

erature

Fuel

Heat

3-wire

tion

Comfort

Stage

pressor)

enabled)

Pump 2

Mode

Heat/

Heat or

erature

Sensor

Auxiliary

1st

zone

Switch

Alert II module

compressor when auxiliary heat is

(HP2)

Cool

Sensor

& Emer-

Stage

valve

or similar

energized.

(Com-

gency

pressor)

heat

malfunction

2nd stage

module

NEUTRAL

24VAC

120VAC

Single Stage and Multi-Stage Connections

HOT

CLASS II

TRANSFORMER

Refer to equipment manufacturers' instructions for specific system

wiring information.

Single stage (SS 1) gas, oil or electric.

This thermostat is designed to operate a single-transformer or two-

Multi-stage (MS 2) gas, oil or electric.

transformer system.

After wiring, see INSTALLER CONFIGURATION section for proper

You can configure the thermostat for use with the following fossil fuel

thermostat configuration.

systems:

Figure 2 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer

To Remote Temperature Sensor

Jumper

{

- W2

W/E

System

Single

Blower/

Ener-

Circula-

gized

Power

Fault

Stage 1

Cool

tor Fan

24 VAC

Remote

on call

(SS1)

Ener-

Energiz-

Output

Mode

Energiz-

24 VAC

supply

Return

Output

for

Closed

Indicator

1st

Com-

voltage

Temp-

Conn-

gized

ed in

ed on

(Hot)

mon

to re-

erature

Remote

Heat

ection

System

in Heat

Cool &

Stage

call for

mote

for

Cool

Heat

(option-

Sensor

Temp-

Multi-

Mode

Off

(Com-

Cool &

Cool

Heat

Malfunc-

mode

pressor)

al) *

Temp-

signal

erature

3-wire

tion

Comfort

Stage 2

Mode

2nd

for Heat

erature

Sensor

Mode

zone

(if ELE

Switch

Alert II module

(MS2)

Stage

Sensor

2nd

1st

valve

(Com-

is sel-

Stage

or similar

pressor)

ected)

malfunction

module

NEUTRAL

24VAC

HOT

* 24 VAC common connection optional for system operation.

Required for fault or malfunction indication, remote temperature sensor, or for continuous backlight operation.

120VAC

CLASS II

TRANSFORMER

Figure 3 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers

To Remote Temperature Sensor

NOTE: If continuous backlight or hardwired

{

power input are desired but do not function

W/E

in both HEAT and COOL modes, cut the

heating transformer 24V wires and tape off.

System

Connect the neutral circuit disconnected

from the heating transformer to the neutral

Blower/

Ener-

Single

circuit of the cooling transformer. Discon-

Circula-

gized

Stage 1

Power

nect the wire to the RH terminal and install

Output

Cool

tor Fan

24 VAC

supply

Remote

Return

Output

on call

Fault

(SS1)

Energiz-

Closed

Ener-

Mode

Energiz-

24 VAC

Com-

voltage

Temp-

for

Indicator

a jumper between RH and RC. Depending

ed in

Conn-

gized

Cool &

1st

ed on

(Hot)

mon

to re-

erature

Remote

Heat

ection

on the system requirements, replace the

in Heat

Cool

Stage

call for

mote

Off

(Com-

Cool &

Cool

Heat

(option-

Sensor

Temp-

Heat

for

System

cooling transformer with a 75VA class II

Multi-

Mode

mode

al) *

Temp-

signal

erature

Heat

3-wire

Malfunc-

pressor)

for Heat

Comfort

Stage 2

2nd

erature

Sensor

Mode

zone

tion

transformer if needed.

(MS2)

Stage

(if ELE

Sensor

2nd

1st

Switch

Alert II module

is sel-

Stage

valve

or similar

(Com-

pressor)

ected)

malfunction

module

NEUTRAL

24VAC

120VAC

HOT

120VAC

24VAC

COOLING

HOT

CLASS II

HEATING

TRANSFORMER

CLASS II

TRANSFORMER

PART NO. 37-6808D

www.white-rodgers.com	Replaces 37-6808C
	0904

+ 1 hidden pages