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READ AND SAVE THESE INSTRUCTIONS

FAN-FORCED WALL HEATER

IMPORTANT INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE 
INSTALLING OR USING THIS  HEATER.

To reduce the risk of fire, electric shock, or injury to persons, 

observe the following:

1. 

Use this unit only in the manner intended by the manufacturer. 

If you have questions, contact the manufacturer at the address or telephone number listed in the warranty.

2.

Before servicing or cleaning unit, switch power off at service

panel  and  lock  the  service  disconnecting  means  to  prevent  power  from  being  switched  on  accidentally.  When  the  service

disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.

3.

Installation work and electrical wiring must be done by a

qualified  person(s)  in  accordance  with  all  applicable  codes  and  standards,  including  fire-rated  construction  codes  and

standards.

4.

When cutting or drilling into wall or ceiling, do not damage

electrical wiring and other hidden utilities.

5.

This heater is hot when in use. To avoid burns, do not let bare

skin touch hot surfaces. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, etc. and curtains at least 3

feet (0.9 m) from the front of the heater.

6.

Extreme caution is necessary when any heater is used by

or near children or invalids and whenever the heater is left operating and unattended.

7.

Do not operate any heater after it malfunctions. Disconnect

power at service panel and have heater inspected by a reputable electrician before reusing.

8. 

Do not use outdoors.

9.

To disconnect heater, turn controls to off, and turn off power

to heater circuit at main disconnect panel (or operate internal

 

disconnect switch, if provided).

10. 

Do not insert or allow foreign objects to enter any ventilation or

exhaust opening, as this may cause an electric shock or fire, or

 

damage the heater.

11. 

To prevent a possible fire, do not block air intakes or exhaust in

any manner.

12. 

A heater has hot and arcing or sparking parts inside. Do not use 

it in areas where gasoline, paint, or flammable vapors or liquids

 

are used or stored.

13. 

Use this heater only as described in this manual. Any other use

not recommended by the manufacturer may cause fire, electric

 

shock, or injury to persons.

14. 

Install heater at least 6 inches from floor or any adjacent wall.

15.

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.

16.

This product may ONLY be installed horizontally in a wall. Do

not mount in any other position.

17. 

Do not connect heater to dimmer switch or speed control.

18. 

This product must be grounded.

SAVE THESE INSTRUCTIONS

Summary of Contents for NuTone 174178170

Page 1: ...essary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended 7 Do not operate any heater after it malfunctions Disconnect power at service panel and have heater inspected by a reputable electrician before reusing Do not use outdoors 9 To disconnect heater turn controls to off and turn off power to heater circuit at main disconnect panel or...

Page 2: ...ratings for each model MODELS VOLTS AMPS WATTS BTU HR 170 120 8 33 4 16 1000 500 3413 1707 240 4 16 1000 3413 208 3 61 750 2560 174 120 12 5 6 25 1500 750 5120 2560 240 6 25 1500 5120 208 5 41 1125 3840 178 240 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 page 3 for wattage and voltage conversion instructio...

Page 3: ...r stud FIG 6 24 ON CENTER STUDS ONLY 1 Choose which side of housing will be mounted di rectly to a wall stud From this side push a mounting bracket as far as possible into the channel at the top of housing FIG 4 NOTE Locate housing at least 6 from the floor and any adjacent walls 2 Use measuring guide on side of housing to posi tion housing so that it will be flush with finished wall Drive two 2 n...

Page 4: ...ng NOTE Mask can be put in place before or after heater assembly is re installed 2 Remove mask before operation ALL INSTALLATIONS 3 Secure heater assembly with retaining screw and plug wiring harness into receptacle 4 Fasten grille to heater with two 2 screws provided FIG 13 5 Push knob onto thermostat stem 6 Turn on power at service entrance Turn thermostat to its highest setting and make sure he...

Page 5: ...170 99270725 Heating Element Model 174 99270742 Heating Element Model 178 15 93270619 Wire Clamp 16 97008682 Partition Plate Assembly 17 99260428 Nut 6 32 x 5 16 Keps 2 Required 18 97008675 Plug Assembly 19 97008677 Thermostat Wire Assembly 20 97008678 Overload Wire Assembly 21 99030191 Thermostat 22 98006973 Thermostat Bracket 23 99260464 Lock Nut 24 99150533 Screw 8 18 x 5 8 Ph Pan Head 25 98006...

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