Navien NFB-175 Mode D'emploi page 42

3.6.7 Wiring Diagram - Generic Zone System with
Zone Valves
SUPPLY
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
Generic Zone Controller
Zone1 Valve Zone2 Valve Zone3 Valve Zone4 Valve Zone5 Valve Zone6 Valve
Boiler Pump System Pump
(max. 2.5 A)
42 Installing the System Piping
<NFB>
AC24VN
C
W
R
C
W
R
NC
NO
COM
NC
NO
C
COM
NC
NO
COM
LWCO W
AC24VL
AC24VN
C
W R
R
C
W
R
C C
W
R
C
W
SUPPLY RETURN OUTDOOR DHW TANK W
R
RETURN OUTDOOR DHW TANK R
<NFB>
SUPPLY RETURN OUTDOOR DHW TANK
Pump Ground
(max. 2.5 A)
3.6.8 Wiring Diagram - Generic Zone System with
Circulators
Zone1 T/S Zone2 T/S Zone3 T/S Zone4 T/S Zone5 T/S Zone6 T/S
T/T
Zone1 Pump Zone2 pump Zone3 Pump Zone4 Pump Zone5 Pump Zone6 Pump
NC
NO
COM
NC
NO
COM
NC
NO
COM
LWCO
AC24VL
AC24VN
C
W
R
C
W
R
C
W
R
C
W
R
<NFB>
NC
NO
COM
NC
NO
COM
NC
NO
COM
LWCO
AC24VL
AC24VN
C
W
R
C
W
R
C
W
R
C
W
SUPPLY RETURN OUTDOOR DHW TANK R
SUPPLY RETURN OUTDOOR DHW TANK
Generic Zone Controller
<NFB>
Pump Ground
Boiler Pump
(max. 2.5 A)
AC24VN
C
W
R
C
W
R
C
W
R
C
W
R
T/T
NC
NO
COM
NC
NO
COM
NC
NO
COM
LWCO
AC24VL
AC24VN
C
W
R
C
W
R
C
W
R
C
W
SUPPLY RETURN OUTDOOR DHW TANK
R