Navien NFC-175 Installation & Operation Manual page 45
Nfc condensing combi-boilers
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Also See for NFC-175:
- Service manual (138 pages) ,
- User's information manual (26 pages) ,
- Quick installation manual (4 pages)
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3.7.8 Wiring Diagram - Air Handler
<Air Handler>
Connect the pump wires to the system pump.
<NFC>
Pump Ground
System Pump
(max. 2.5 A)
<NFC>
lLWCO
AC24VL
AC24VN
SUPPLY
RETURN
OUTDOOR
T/S_ZONE3
SUPPLY
RETURN
OUTDOOR
T/S_ZONE3
TEMPERATURE SENSOR
R
W
C
TEMPERATURE SENSOR
R
C
W
lLWCO
AC24VL
AC24VN
SUPPLY
RETURN
OUTDOOR
T/S_ZONE3
TEMPERATURE SENSOR
R
W
C
lLWCO
AC24VL
AC24VN
About the Boiler
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