Universal Electronics 975 operating instructions Wiring Diagrams, 1From zone valve

Models: 975

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1From zone valve

WIRING DIAGRAMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

1

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

MV

6

Y

G

W

O

B

RC

RH

 

 

W

R

H

6

 

6 4 5

 

 

 

 

 

 

 

 

MV W RH RC G Y O B 6

 

B

 

 

 

 

 

 

 

 

L

 

 

 

 

 

1

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J

I

K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

1From zone valve

2

From 24 VAC transformer

NOTE: Thermostat must have batteries installed.

 

(through zone valve)

NOTE: Ensure that RED RH/RC jumper wire (provided with thermostat) is

3

Red jumper wire (provided)

connected between thermostat’s RH and RC terminals for proper

operation with this system.

 

 

See page 10 for letter identification.

Figure 6. Typical wiring diagram for heat only, three-wire, zone valve system

12

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Universal Electronics 975 operating instructions Wiring Diagrams, 1From zone valve