Navien NFB-175H, Руководство по установке, Страница: 45 / 135

45 Installing the System Piping
3.6.10 Wiring Diagram - DHW System
with Indirect Tank
When connecting the Aquastat
<NFB-H>
COM
NO
NC
ZO
NE1
COM
NO
NC
ZONE2
COM
NO
NC
ZONE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
COM
A/H
DH
W
PRI
NO
NC
N
L
N
L
N
L
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
R
W
C
R
W
C
R
W
C
R
W
C
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
Generic Zone Controller
<Aquastat>
3.6.9 Wiring Diagram - Air Handler
COM
NO
NC
ZO NE1
COM
NO
NC
ZO
NE2
COM
NO
NC
ZO
NE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
COM
A/H
D HW
PRI
NO
NC
N
L
N
L
N
L
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
R
W
C
R
W
C
COM
A/H
DHW
PRI
NO
NC
N
L
N
L
N
<Air Handler>
R
W
C
R
W
C
<NFB-H>
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.
<NFB-H>
System Pump
(max. 2.5 A)
Boiler Pump
(max. 2.5 A)
COM
NO
NC
ZONE1
COM
NO
NC
ZONE2
COM
NO
NC
ZONE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
COM
A/H
DHW
PRI
NO
NC
N
L
N
L
N
L
COM
NO
NC
N
L
N
L
N
L
Pump Ground