Installation and Operation Manual

© 2013 518_D - 03/13
5 of 12
A Watts Water Technologies Company
Thermostat Wiring
Zone Valve
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Wiring Center 315 or 316
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Relay 003
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C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com
No Power
Zone
Valve
24 V (ac)
Transformer
009
LN
RC
Optional
Slab Sensor 079
C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com
No Power
tN4 C W
R
C
518
R Rh W1 S1 Com
No Power
Optional
Slab Sensor 079
Wiring Center
315 or 316
Install field
jumper wire
R to Rh
C
518
R Rh W1 S1 Com
No Power
R
C
2
1
8
7
3
4
5
6
C
518
R Rh W1 S1 Com
No Power
L
N
G
115 V (ac)
Optional
Slab Sensor 079
Relay 003
Transformer
009
Install field
jumper wire
R to Rh
Install field
jumper wire
R to Rh