beautypg.com

Operation, The thermostat base, Cooling system – White Rodgers 1F80-241 User Manual

Page 3: The thermostat buttons and switches, Caution

background image

3

RH

Y

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 5. Typical wiring diagram for

heat/cool, 5-wire, two-transformer systems

with common connection (required)

HEATING

TRANSFORMER

Heating

System

Fan

Relay

Cooling
System

RC

24 VAC

120 VAC

Hot

Neutral

COOLING TRANSFORMER

O

B

C

RH

Y

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 4. Typical wiring diagram for

heat/cool, 4-wire, single transformer systems

with common connection (required)

TRANSFORMER

Heating

System

Fan

Relay

Cooling
System

RC

JUMPER

WIRE

O

C

B

RED jumper wire (provided with thermostat) must be
connected between thermostat RH and RC terminals
for proper thermostat operation with this system.

NOTE

RH

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 2. Typical wiring diagram for

heat only, 3-wire, single transformer systems

with common connection (required)

TRANSFORMER

Heating

System

Fan

Relay

Y

C

RC

JUMPER

WIRE

O

B

RH

Y

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 7. Typical wiring diagram for heat pump

with reversing valve energized in HEAT

with common connection (required)

TRANSFORMER

Reversing

Valve*

RC

O

B

C

JUMPER

WIRE

Compressor

Contactor

JUMPER

WIRE

* Reversing valve is energized when the
system switch is in the HEAT position

Fan

Relay

RH

Y

24 VAC

120 VAC

Hot

Neutral

TRANSFORMER

THERMOSTAT

SYSTEM

G

W

Figure 3. Typical wiring diagram for

cool only, 3-wire, single transformer systems

with common connection (required)

Cooling
System

Fan

Relay

RC

O

B

C

JUMPER

WIRE

RH

Y

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 6. Typical wiring diagram for heat pump

with reversing valve energized in COOL

with common connection (required)

TRANSFORMER

Reversing

Valve*

RC

O

B

C

JUMPER

WIRE

Compressor

Contactor

JUMPER

WIRE

* Reversing valve is energized when the
system switch is in the COOL position

Fan

Relay

Before you begin programming your thermostat, you should be
familiar with its features and with the display and the location and
operation of the thermostat buttons. Your thermostat consists of
two parts: the thermostat cover and the base. To remove the
cover, pull it straight out from the base. To replace the cover, line
up the cover with the base and press until the cover snaps onto
the base.

THE THERMOSTAT BASE

Other than

and

, the following buttons and switches are

located on the bottom of the thermostat cover (see fig. 8).

CAUTION

!

OPERATION

Cooling System

To prevent compressor and/or property damage, if the
outdoor temperature is below 50

°

F, DO NOT operate

the cooling system.

1. Move SYSTEM switch to COOL position.

2. Press

to adjust thermostat setting below room tempera-

ture. The blower should come on immediately on high speed,
followed by cold air circulation

3. Press

to adjust temperature setting above room tem-

perature. The cooling system should stop operating.

The Thermostat Buttons and Switches

1

Raises temperature setting.

2

Lowers temperature setting.

3

TIME button.

4

PRGM (program) button.

5

RUN (program) button.

6

HOLD temperature button.