Universal Electronics 975 operating instructions Wiring Diagrams

Models: 975

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WIRING DIAGRAMS

1 2 3 4 5

MV 6 Y

C

P

G W

D

O B

F Manual backgroundManual background G

H

RC RH

J

RC

G

Y

 

 

MV W RH RC G Y O B 6

L

I K

M

1From heating system

2Red jumper wire (provided)

3Field-installed jumper wire

4From fan relay

5From cooling system

See page 10 for letter identification.

NOTE: Ensure that RED RH/RC jumper wire (provided with thermostat) is connected between thermostat’s RH and RC terminals for proper operation with this system.

Figure 8. Typical wiring diagram for single stage heat pump, four-wire, single transformer system

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Universal Electronics 975 operating instructions Wiring Diagrams