Wiring Diagram - FPI U32-NG3 Owners & Installation Manual

This heater does not require a 120V A.C. supply for operation. In case of a power failure, the burner switch and the optional remote control/thermostat
will continue to operate. However, a 120V A.C. power supply is needed for the fan/blower operation.
Thermocouple
Gas
In
"S.I.T" Valve
Remote Transmitter
Caution: Ensure that the wires do not
touch any hot surfaces and are away
from sharp edges.
Electrical Grounding Instructions
This appliance is equipped with a three pronged (grounding) plug for your protection
against shock hazard and should be plugged directly into a properly grounded three-
prong receptacle. Do not cut or remove the grounding prong from this plug.
U32-3 FPI Direct Vent Gas Insert

WIRING DIAGRAM

Pilot
Assembly
In
White
Brown
OFF
Remote
Receiver
(Optional)
(Optional)
(Millivolt)
Neutral
Live
120V AC
Minimum Convection
Air Temp. Switch
To
Thermocouple IN
Piezo
Ignitor
ON
Thermostat
(Optional)
(Millivolt)
WARNING:
INSTALLATION
Green
Fan
Ground
Ground
ON OFF
Red Black
Rotary Speed
Control
Black
ON
Burner
OFF
Red
CAUTION: Label all wires prior to
disconnection when servicing con-
trols. Wiring errors can cause im-
proper and dangerous operation.
Black
21