Broan 174F - Manual (Page 2)

INSTALL THE HEATER ASSEMBLY OPTIONAL WIRING CONVERSIONS
WIRING DIAGRAM
1. Remove housing mask.
Make sure wall has been finished (including paint or wall
paper, etc.) Take out and discard the cardboard mask from
inside of housing.
2
TABS
FASTEN TO
HOUSING WITH
RETAINING SCREW -
HERE
Place element end of heater assembly behind the tabs on
the left side of housing. Pivot the assembly in and fasten
with retaining screw from parts bag.
Plug wiring harness into receptacle.
3. Provide desired control.
The heater finish assembly has no adjustable thermostat
control.
If a wall-mounted control has been pre-wired, nothing else
need be done.
If a built-in thermostat is desired, purchase and insert the
Broan Model 83 Integral Thermostat at this time.
2. Install heater assembly into housing.
1. Conversion to half-wattage.
The heater will produce less heat and use less electricity if
converted to half-wattage.
Disconnect ONE of the black wires with an insulated termi-
nal from the motor.
2. 120 VAC to 240 VAC Conversion.
(Factory-wired 120 VAC Models 170F and 174F ONLY)
1) Disconnect ONE of the black wires with an insulated
terminal from the motor.
2) Disconnect the two (2) white wires with insulated
terminals from each other. Do not remove wire from
beneath plastic wire tie.
3) Connect black wire to white wire.
NOTE: When heater is converted from 120 VAC to 240 VAC,
half-wattage conversion is not possible
BLACK
WIRES
(connected
to motor)
BLACK WIRE
(from motor)
WHITE WIRES