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READ AND SAVE THESE INSTRUCTIONS
MODELS 170F, 174F & 178F
FAN FORCED WALL HEATERS
FINISH ASSEMBLIES
FOR USE WITH BROAN MODEL 171H ROUGH-IN HOUSING
WARNING
1. ALL ELECTRICAL WORK MUST BE DONE IN ACCOR-
DANCE WITH LOCAL OR NATIONAL ELECTRICAL CODE
AS APPLICABLE. FOR SAFETY, THIS PRODUCT MUST
BE GROUNDED. IF YOU ARE UNFAMILIAR WITH METH-
ODS OF INSTALLING ELECTRICAL WIRING, SECURE
THE SERVICES OF A QUALIFIED ELECTRICIAN.
2. WHEN WIRING, SERVICING OR CLEANING THIS UNIT,
TURN OFF POWER AND LOCK OUT SERVICE PANEL.
FAILURE TO DO SO COULD ALLOW OTHERS OR THER-
MOSTAT TO TURN ON POWER UNEXPECTEDLY WHICH
MAY CAUSE FATAL ELECTRICAL SHOCK.
3. To avoid electrical shock:
• DO NOT install unit in a tub or shower enclosure or any
location where it may come in contact with water.
• NEVER place a switch where it can be reached from a
tub or shower.
4. DO NOT install this unit in an area where chemicals or
other flammables are stored or used. Explosion and fire
may result
.
CAUTION
1. This product may ONLY be installed horizontally in a wall.
DO NOT MOUNT IN ANY OTHER POSITION.
2. Install heater at least 6” from floor or any adjacent vertical
surface.
3. DO NOT locate heater behind a door, furniture, drapes,
etc., where the air flow to the unit would be restricted.
4. Provide heater with an appropriately-rated electrical cir-
cuit to prevent tripped breakers or blown fuses. (See chart
below).
5. DO NOT CONNECT HEATER TO DIMMER SWITCH OR
SPEED CONTROL.
6. To avoid motor bearing damage and noisy and/or unbal-
anced impellers, keep drywall spray, construction dust,
etc., off power unit.
7. Please read specification label on product for further infor-
mation and requirements.
PLAN THE INSTALLATION
This wall heater finish assembly is intended for installation
into a Broan Model 171H rough-in housing — after the wall
has been completed.
The heater can be operated using the Broan Model 86 Line-
Voltage Thermostat from a wall location or the Broan Model
83 Integral Thermostat installed into heater. Purchase the con-
trol separately.
The table below lists the ratings for each model.
MODELS VOLTS AMPS WATTS BTU/HR
120 8.33/4.16 1000/500 3413/1707
170F 240 4.16 1000 3413
208 3.61 750 2560
120 12.5/6.25 1500/750 5120/2560
174F 240 6.25 1500 5120
208 5.41 1125 3640
178F 240 8.33/4.16 2000/1000 6827/3413
208 7.21/3.61 1500/750 5120/2560
BOLD ratings are factory wired. See "OPTIONAL WIRING
CONVERSIONS" section on pages 2 and 3 for wattage and
voltage conversion instructions.
Follow these basic steps when installing this heater:
• Remove the housing mask.
• Fasten finish assembly inside housing.
• Plug assembly in.
• Attach grille.
WALL
STUD
POWER
CABLE
GRILLE
!
HEATER
HOUSING
DRYWALL