Navien NHB H Series Installation And Operation Manual page 42

3.6.7 Wiring Diagram - Generic Zone
System with Zone Valves
<NHB-H>
CNC1 CNC4 CNC5
CNC6
ZONE3 ZONE2 ZONE1 DHW
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
Generic Zone Controller
Zone1 Pump Zone2 pump Zone3 Pump Zone4 Pump Zone5 Pump Zone6 Pump
<NHB-H>
ZONE3 Pump FUSE
(250VAC_10A)
ZONE2 Pump FUSE
(250VAC_10A)
ZONE1 Pump FUSE
(250VAC_10A)
Boiler Pump FUSE
(250VAC_10A)
Pump CNA1
Ground
42 Installing the System Piping
CNC3 CNV3 CNV2 CNV1
LWCO ZONE3 ZONE2 ZONE1
CNG1
CNC2
T/T
L
N
Live
OUT
Neutral
IN
CNP1
OUT Live
Neutral
IN
CNP2
OUT
IN
CNX1
Boiler System
Pump Pump
(max. 2.5 A) (max. 2.5 A)
3.6.8 Wiring Diagram - Generic Zone
System with Circulators
CNC1 CNC4 CNC5
ZONE3 ZONE2 ZONE1
CNF1
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
Generic Zone Controller
Zone1 Pump Zone2 pump Zone3 Pump Zone4 Pump Zone5 Pump Zone6 Pump
Pump
Ground
<NHB-H>
CNC3 CNV3 CNV2 CNV1
CNC6
DHW ZONE2 ZONE1
LWCO ZONE3
<NHB-H>
CNP1
ZONE1 Pump FUSE
(250VAC_10A)
Live
OUT
Neutral
IN
Boiler Pump FUSE
(250VAC_10A)
CNP2
OUT
CNA1
IN
CNX1
CND1
Boiler Pump
(max. 2.5 A)
CNG1 CNF1
CNC2
T/T