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FIG. 1

CEILING MATE-

RIAL

GRILLE

DAMPER/DUCT CON-

NECTOR (162 & 164

ONLY)

POWER

CABLE

HOUSING

CAJA

MOUNTING

BRACKET

CEILING

JOIST

BULB(S)

FIG. 2

PLANNING

Choose the location for your heater. Refer to "IMPORTANT

INSTRUCTIONS" above.

MODELS 162 & 164 ONLY:

THE UNIT WILL OPERATE MOST EFFICIENTLY WHEN LO-

CATED WHERE THE SHORTEST POSSIBLE DUCT RUN AND

MINIMUM NUMBER OF ELBOWS WILL BE NEEDED. UNITS

ARE DESIGNED FOR USE WITH STANDARD 4" ROUND DUCT.

Note that two-bulb units (163 & 164) can be fitted with one

infrared bulb (for heat) and one reflector bulb (for light). Dual

or multi-controls can be used for separate control of bulbs

and/or exhaust fan. Purchase controls separately.

Follow these basic steps when installing this unit: (Fig. 1)

• Nailunittojoists.

• Attachductwork(Models162or164only).

• Connectpowercable.

• Fastengrilletohousing.

PREPARATION

1. Remove the unit from carton. Save carton for use

as plaster shield in rough-in installations.

2. Slide adjustable mounting brackets into bracket

channels on housing. (Fig. 2)

NuTone 161 User Manual

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