Install Instructions

7 of 12 © 2011 D 315 - 04/11
Applications
R
C
L
N
Expansion
tN4
C tN4
Power
Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
End Switch/ Zone Group Pump
C
Zone 2
WtN4 R
C
Zone 3
WtN4 R C
Zone 4
WtN4 R
tN4 Wiring Center 315
Six Zone Valves
W tN4C tN4CX
Zone 1 Expansion
VlvC
Zone 1
VlvC
Zone 2
VlvC
Zone 3
VlvC
Zone 4
VlvC
Zone 5
VlvC
Zone 6
XC
Input Power
RR
W tN4C
Zone 5
RW tN4C
Zone 6
R
H8001B
End Switch
Use at least 167°F
(75°C) conductors
Description: tN4 Wiring Center 315, six tekmarNet
®
4 Thermostats, and six zone valves wired to a tekmar System Control
420 and 335, which controls the boiler, primary pump and DHW pump and six other zones.
tekmarNet
®
4 Expansion to Building Control A315-1
315
070
420 335
tekmarNet
®
4 Thermostats Required
24 V (ac)
Transformer 009
Zone Valves (Z1 to Z6)
External
tekmarNet
®
4
Expansion to
Zone Manager,
Reset Module, or
House Control
Z1
Z2
Z3
Z4
tekmarNet
®
4
Thermostats
tekmarNet
®
4
Thermostats
Z5
Z6