tekmar 315 tN4 Wiring Center Installation - Manual (Page 9)

9 of 12 © 2011 D 315 - 04/11
Description: tN4 Wiring Center 315, six tekmarNet ® 4 Thermostats, and six zone valves wired into the T-T terminals on the
boiler to give an enable. The pump is controlled by the Zone Group Pump output on the 315.
R
C
L
N
T
T
115 V (ac)
L N G
to pump grounds
N L
(red)
(black)
315
Power L
Zone Group Pump
Power Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
End Switch/ Zone Group Pump
C
Zone 2
W tN4 R C
Zone 3
W tN4 R C
Zone 4
W tN4 R
tN4 Wiring Center 315
Six Zone Valves
W
tN4
C
tN4
CX
Zone 1
Expansion
Vlv C
Zone 1
Vlv C
Zone 2
Vlv C
Zone 3
Vlv C
Zone 4
Vlv C
Zone 5
Vlv C
Zone 6
XC
Input P
ow
er
R
R
W
tN4
C
Zone 5 R
W
tN4
C
Zone 6 R
H8001B
End Switch
Use at leas
t 1
67°F
(7
5°C) conduct
ors
315
End Switch (X-X) To Boiler Enable (T-T) A315-3
24 V (ac)
Transformer 009
Zone Valves (Z1 to Z6)
End Switch (X-X)
to boiler enable (T-T)
Z1
Z2
Z3
Z4
tekmarNet ® 4 Thermostats
Z5
Z6
tekmarNet ® 4, or Conventional Thermostats
(Use tekmarNet ® 4 Thermostats to achieve better system performance)