background image

PLANNING

This heater is intended to be used to suppply 

supplemental heat from a wall location in new or 

existing construction.
The heater can be operated using its built-in ther-

mostat or a remote thermostat (Broan Model 86W 

Line-Voltage Thermostat - purchase separately).
Plan to supply the heater with proper line voltage 

and appropriate power cable.
NOTE: Power can be tapped from a nearby circuit 

depending on the heater wattage required and the 

amperage rating of the circuit.
The table below lists the 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 instructions.
Heater can be converted to half-wattage to avoid 

overloading such circuits.

Follow these basic steps when installing this heater.

• Nail housing to studs.

• Connect power cable.

•  Fasten heater assembly and grille to housing.

(FIG. 1)

FIG. 1

GRILLE

BUILT-IN

THERMOSTAT

WALL 

STUD

POWER 

CABLE

HEATER 

HOUSING

DRYWALL

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...

Reviews: