Navien NFC-175, Installation & Operation Manual

Page: 44 / 124

44 Installing the System Piping
3.7.7 Wiring Diagram - Generic Zone System with
Zone Pumps
<NFC>
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
Zone1 Pump Zone2 Pump Zone3 Pump Zone4 Pump Zone5 Pump Zone6 Pump
T/T
N
A/H
DHW
PRI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
AC24VN
AC24VL
lLWCO
R
W
C
T/S_DWH
R
W
C
R
W
C
T/S
_CH_ZONE1
T/S
_ZONE
2
SUPPLY
TEMPERATURE SENSOR
RETURN OUTDOOR T/S_ZONE3
R W C
SUPPLY
TEMPERATURE SENSOR
RETURN OUTDOOR T/S_ZONE3
R W C
Generic Zone Controller
3.7.6 Wiring Diagram - Generic Zone System with
Zone Valves
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
Zone1 Valve Zone2 Valve Zone3 Valve Zone4 Valve Zone5 Valve Zone6 Valve T/T
N
A/H
DHW
PRI
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
AC24VN
AC24VL
lLWCO
R
W
C
T/
S_DWH
R
W
C
R
W
C
T/ S_CH_ZONE1
T/ S_ZONE2
SUPPLY
TEMPERATURE SENSOR
RETURN OUTDOOR T/S_ZONE3
R W C
SUPPLY
TEMPERATURE SENSOR
RETURN OUTDOOR T/S_ZONE3
R
W
C
Generic Zone Controller
<NFC>
<NFC>
System Pump
(max. 2.5 A)
N
A/H
DH
W
PR
I
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
AC24VN
AC24VL
lLWCO
R
W
C
T/
S_DWH
R
W
C
R
W
C
T/
S_CH_Z
ONE
1
T/ S_Z
O NE
2
SUPPLY
TEMPERATURE SENSOR
RETURN OUTDOOR T/S_ZONE3
R W C
N
L
N
L
N
L
N
L
N
L
Z3
Z2
Z1
Pump Ground