Broan 171H User Manual

MODELS 170F, 174F & 178F  
FAN FORCED WALL HEATERS  
FINISH ASSEMBLIES  
FOR USE WITH BROAN MODEL 171H ROUGH-IN HOUSING  
READ AND SAVE THESE INSTRUCTIONS  
!
CAUTION  
1. This product may ONLY be installed horizontally in a wall.  
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 YOUARE UNFAMILIAR WITH METH-  
ODS OF INSTALLING ELECTRICAL WIRING, SECURE  
THE SERVICES OF A QUALIFIED ELECTRICIAN.  
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.  
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.  
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.  
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.  
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.  
Follow these basic steps when installing this heater:  
• Remove the housing mask.  
• Fasten finish assembly inside housing.  
• Plug assembly in.  
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.  
• Attach grille.  
The table below lists the ratings for each model.  
DRYWALL  
WALL  
MODELS VOLTS AMPS  
WATTS  
BTU/HR  
STUD  
120  
240  
208  
8.33/4.16  
4.16  
3.61  
1000/500  
1000  
3413/1707  
3413  
170F  
GRILLE  
750  
2560  
120  
240  
208  
240  
208  
12.5/6.25  
6.25  
1500/750  
1500  
5120/2560  
5120  
HEATER  
HOUSING  
174F  
178F  
5.41  
1125  
3640  
8.33/4.16 2000/1000  
7.21/3.61 1500/750  
6827/3413  
5120/2560  
BOLD ratings are factory wired. See "OPTIONAL WIRING  
CONVERSIONS" section on pages 2 and 3 for wattage and  
voltage conversion instructions.  
POWER  
CABLE  
COMPLETE THE INSTALLATION  
USE AND CARE  
WARNING  
DISCONNECT ELECTRIC POWER AT SERVICE  
ENTRANCE BEFORE CLEANING OR SERVICING UNIT.  
THERMAL OVERLOAD PROTECTOR  
If heater fails to operate when thermostat is turned to its high-  
est setting: Turn power off at service entrance. Remove grille  
and press button marked "RESET".  
CLEANING  
Clean the heater using the round brush tool on your vacuum  
cleaner. Remove large accumulations of dust, lint, etc., that  
might impede the flow of air through the heater. Such block-  
age will lower its efficiency and create a possible over-heat-  
ing condition.  
To clean grille, use a soft cloth which has been moistened with  
household window cleaner.  
CAUTION: METAL AND ELECTRICAL PARTS SHOULD  
NEVER BE IMMERSED IN WATER.  
1. Attach grille.  
Fasten grille to heater with two (2) screws from parts bag.  
2. Check operation.  
Turn on power at service entrance. Turn thermostat to its  
highest setting and make sure heating element and blower  
come on. Then turn it to its lowest setting and make sure  
element and blower shut off.  
Broan-NuTone LLC One Year Limited Warranty  
Broan-NuTone LLC warrants to the original consumer purchaser of its products that such products will be free from defects in materials  
or workmanship for a period of one year from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR  
IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR  
PURPOSE.  
During this one-year period, Broan-NuTone LLC will, at its option, repair or replace, without charge, any product or part which is found  
to be defective under normal use and service.  
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES. This warranty does not cover (a) normal  
maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance  
or repair (other than by Broan-NuTone LLC), faulty installation or installation contrary to recommended installation instructions.  
The duration of any implied warranty is limited to the one-year period as specified for the express warranty. Some states do not allow  
limitation on how long an implied warranty lasts, so the above limitation may not apply to you.  
BROAN-NUTONELLC’SOBLIGATIONTOREPAIRORREPLACE,ATBROAN-NUTONELLC’SOPTION,SHALLBETHEPURCHASER’S  
SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE LLC SHALL NOT BE LIABLE FOR INCIDENTAL,  
CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE.  
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may  
not apply to you.  
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes  
all prior warranties.  
To qualify for warranty service, you must (a) notify Broan-NuTone LLC at the address or telephone number below, (b) give the model  
number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service,  
you must present evidence of the original purchase date.  
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)  
3
SERVICE PARTS  
KEY  
NO.  
PART  
NUMBER DESCRIPTION  
1
2
3
4
5
6
7
8
97008681 Housing  
98003036 Mounting Bracket (2 Required)  
99260512 #8-18 Sheet Metal Nut (2 Required)  
99390015 Grounding Clip  
97005422 Receptacle Assembly  
98006975 Wiring Cover  
KEY  
NO.  
PART  
NUMBER DESCRIPTION  
99020130 Blower Wheel  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
99260428 Nut, #6-32 x 5/16 Keps (2 Required)  
97008675 Plug Assembly  
97008677 Thermostat Wire Assembly  
97008678 Overload Wire Assembly  
99270743 Terminal Jumper  
99150533 Screw, #8-18 x 5/8 Ph. Pan Head  
98006970 Grille  
99150528 Grille Screw (2 Required)  
99090681 Grille Logo  
99080248 Motor (Models 170F and 174F)  
99080252 Motor (Model 178F)  
99270735 Tab Adapter  
99030194 Thermal Overload  
99271091 Guard  
98006974 Element Bracket  
99150491 Screw, #8-18 x 3/8 Ph. Pan Head  
(5 Required)  
99270741 Heating Element (Model 170F)  
99270725 Heating Element (Model 174F)  
99270742 Heating Element (Model 178F)  
93270619 Wire Clamp  
9
10  
11  
12  
13  
14  
99090688 Cover Label  
93270493 Wire Tie  
99150470 Screw, #8-18 x 3/8 Ph. Truss Hd.  
15  
16  
97008682 Partition Plate Assembly  
Always order replacement parts by part number - NOT key number.  
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027  
99041235H  

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