Tekmar 518 - Thermostat Wiring

© 2016 tekmar 518
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D - 06/16 5 of 12
Thermostat Wiring
Zone Valve ----------------------------------------------------------
Wiring Center 315 or 316 ---------------------------------------------
Relay 003 -----------------------------------------------------------
C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com Away
No Power
Zone
Valve
24 V (ac)
Transformer
009
L N
R C
Optional
Slab Sensor 079
C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com
No Power
tN4 CW
R
C
518
R Rh W1 S1 Com
No Power
C
518
R Rh W1 S1 Com Away
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
C
518
R Rh W1 S1 Com Away
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
Do not over
tighten wiring
screws. Hand
tighten only.
Do not over
tighten wiring
screws. Hand
tighten only.
Do not over
tighten wiring
screws. Hand
tighten only.