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Heating system – White Rodgers 1F80-240 User Manual

Page 3

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Heating System

1. Move SYSTEM switch to HEAT position. If the heating

system has a standing pilot, be sure to light it.

2. Press

to adjust thermostat setting above room tempera-

ture. The heating system should begin to operate.

3. Press

to adjust temperature setting below room tem-

perature. The heating system should stop operating.

RH

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

W

Figure 2. Typical wiring diagram for

heating only, 2-wire, single transformer systems

TRANSFORMER

Heating

System

RH

24 VAC

120 VAC

Hot

Neutral

THERMOSTAT

SYSTEM

G

W

Figure 5. Typical wiring diagram for

heat only, 3-wire, single transformer systems

TRANSFORMER

Heating

System

Fan

Relay

RH

M.V. or 12 V. D.C.

+

-

THERMOSTAT

SYSTEM

W

Figure 3. Typical wiring diagram for

heating only, 2-wire, single transformer systems

TRANSFORMER

Heating

System

3-wire Series 10

Primary Control

(located at furnace)

Thermostat

Add jumper wire

(not provided with thermostat)

R

W

B

R

W

Furnace

Figure 4. Typical wiring diagram for

3-wire SERIES 10 heating systems