NuTone 8145 installation instructions Room-to-RoomFan, Model, Important Safety Instructions

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Room-to-Room Fan

MODEL: 8145

IMPORTANT SAFETY INSTRUCTIONS

WARNING: TO REDUCE THE RISK OF FIRE.
ELECTRIC SHOCK, OR INJURY TO PERSONS,	INNER
OBSERVE THE FOLLOWING:	SLEEVE
A. Use this unit only in the manner intended by the	EXTENSION
manufacturer. If you have questions, contact the
	BRACKET
manufacturer.
B. Before servicing or cleaning unit, switch power off at
service panel and lock service panel to prevent
power from being switched on accidentally.
When the service disconnecting means cannot be
locked, securely fasten a prominent warning device,	FAN AND
such as a tag, to the service panel.	MOTOR
CAUTION:	ASSEMBLY
For general ventilating use only. Do not use to
exhaust hazardous or explosive materials and vapors.

INSTALLATION INSTRUCTIONS		KNOCKOUTS
WARNING: TO REDUCE THE RISK OF FIRE,			AIR FLOW
ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:	OUTER
A. Installation work and electrical wiring must be done
by qualified person(s) in accordance with all	SLEEVE
		ON/OFF SWITCH		FIGURE 1
applicable codes and standards, including fire-rated
construction.
B. Sufficient air is needed for proper combustion and		NEW CONSTRUCTION
exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent back drafting. Follow the		ADJUSTING AND MOUNTING FAN SLEEVE
heating equipment manufacturer's guideline and safety
		1. Remove four (4) screws to separate outer sleeve
standards such as those published by the National Fire
		from inner sleeve.
Protection Association (NFPA), and the American Society
		2. The outer sleeve is the discharge side of the fan; make
for Heating, Refrigeration and Air Conditioning Engineers
		sure the on/off switch is in the room into which air will
(ASHRAE), and the local code authorities.
		be blown.
C. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.		3. Insert extension bracket in top of outer sleeve.
D. Ducted fans must always be vented to the outdoors.		4. Refer to Figure 1. Loosen two screws and remove
E. If this unit is to be installed over a tub or shower, it must		fan and motor assembly from adjustable inner sleeve.
be marked as appropriate for the application.		5. Adjust to wall thickness by removing knockouts in bottom
F. NEVER place a switch where it can be reached from		of adjustable sleeve. Refer to chart.
a tub or shower.
		Wall Thickness		Remove Knockouts
For use on inside walls which are 31⁄2" to 6" thick.
The telescoping sleeve is adjusted to wall thickness		6"		0
by removing knockouts.		5" – 51⁄2"		1
• WARNING: To reduce risk of fire or electrical shock,		41⁄2" – 5"		2
this fan should not be used with an additional speed		4" – 41⁄2"		3
control.		31⁄2" – 4"		4
• WARNING: To reduce the risk of shock, disconnect
		6. When adjusting sleeve, make sure both flanges will
power before servicing.
• Do not mount over tub or in shower stall enclosure.		be flush with finished walls.
To move heated air from one room to another, NuTone		7. When adjustment is complete, screw sleeves together
recommends installing the Room-to-Room Fan within six		with four (4) screws.
		8. Center and mount completed sleeve assembly to a wall
inches of the ceiling. Installing the fan at this height will
provided more efficient movement of heated air from room		stud. Nail or screw sleeve to wall stud through holes in
to room.		the side of the sleeve.
If the fan is intended to move cooled air from room		9. Refer to Figure 2. Extend bracket to opposite wall stud
to room, install the fan as close as possible to the floor.		and secure it with nails or screws.