Navien NHB H Series Installation And Operation Manual page 43

3.6.9 Wiring Diagram - Air Handler
<NHB-H>
CNC1 CNC4 CNC5 CNC6 CNC3 CNV3
ZONE3 ZONE2 ZONE1 DHW LWCO ZONE3
If you are using the Navien manifold system,
connect the pump wires to the system pump. If you
are not using the Navien manifold system, connect
the pump wires to either the system pump or the
boiler pump.
<NHB-H>
ZONE3 Pump FUSE
(250VAC_10A)
ZONE2 Pump FUSE
(250VAC_10A)
ZONE1 Pump FUSE
(250VAC_10A)
Boiler Pump FUSE
(250VAC_10A)
CNA1
Pump
Ground
OUT
CNA1
IN
CNX1
CNV2 CNV1
ZONE2 ZONE1
CNG1 CNF1
CND1
CNC2
<Air Handler>
L
N
Live
Neutral
CNP1
Live
Neutral
CNP2
OUT
IN
CNX1
Boiler System
Pump Pump
(max. 2.5 A) (max. 2.5 A)
3.6.10 Wiring Diagram - DHW System
with Indirect Tank
When connecting the Aquastat
<NHB-H>
CNC1 CNC4 CNC5 CNC6 CNC3 CNV3
ZONE2 ZONE1 DHW
ZONE3 LWCO ZONE3
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
CNV2 CNV1
ZONE2 ZONE1
CNG1 CNF1
CNC2
T/T
<Aquastat>
Installing the System Piping 43