NuTone QT140L Mounting the Housing, Wiring, Power Unit Installation, Mounting the Grille Assembly

MOUNTING THE HOUSING

NOTE: This unit is designed for installation between 16" OC ceiling joists with no framing necessary. if the building structure has 24" OC joist construction, framing will be required.

1.Position housing between ceiling joists and adjust height to finished ceiling. Loosen two (2) hex nuts for each mounting bracket from inside the housing and make the adjustment. Tighten

the four (4) hex nuts.

NOTE: There are four (4) extra mounting slots in the housing long sides for mounting or relocating the mounting brackets.

2.Refer to Figure 4. Screw housing to joists using holes in mounting brackets and four (4) screws (furnished).

3.Refer to Figure 2 and mounting instructions included with caps.

Install standard 31⁄4" x 10" ductwork from damper section to outside wall or through roof and mount appropriate wall or roof cap (optional).

IMPORTANT: Be sure nothing obstructs the discharge of the unit. Make sure the insulation does not get into the ductwork or into the blower unit.

WIRING

NOTE: All wiring connections must comply with local codes, ordinances, and the National Electric Code and the unit must be properly grounded.

1.Loosen screws and remove junction box.

2.Run 120vAC supply wiring with ground through switch box to knockout in ventilator housing and secure with box connector.

3.Refer to Figure 5. Connect supply wires to the unit's wires. Black to black; white to white. Connect ground to green ground lead.

4.Replace junction box; tighten screws.

5.Connect supply wire to a listed general use wall switch in switch box or use a listed timer suitable for the voltage and current rating of the fan.

POWER UNIT INSTALLATION

1.Refer to Figure 6. The Power Unit mounts with two hanger rods to the mounting brackets. Insert the hanger rods through the holes in the mounting bracket.

2.Position the power unit so that its discharge opening is in line with the installed ductwork. Hold the power unit in position between the mounting brackets and swing the hanger rods into the slots on the power unit and securely tighten the wing nuts.

3.Plug the three-wire connector from the junction box into the three- wire connector from the power unit, making sure plug is properly aligned.

MOUNTING THE GRILLE ASSEMBLY

1.Place the reflector into the grille.

2.Insert light plug and night light plug into receptacles.

3.Using two provided screws, secure grille and reflector to housing.

4.Install 100 watt (maximum) light bulb into light socket.

5.Install 7 watt (maximum) C-7 candelabra type bulb into night light socket.

6.Snap lens into place.

MAINTENANCE

•Disconnect the power before cleaning or performing any maintenance on the unit.

•If the grille becomes soiled, use only a mild soap and water solution for cleaning. Do not use solvents or abrasive cleaners.

VERTICAL DISCHARGE

31⁄4" X 10" DAMPER

SECTION

31⁄4" X 10"

DAMPER

SECTION

FIGURE 3

VENTILATOR

HOUSING

MOUNTING

BRACKET

FIGURE 4

		LIGHT			NIGHT LIGHT
		RECEPTACLE			RECEPTACLE
	BLACK				WHITE	WHITE
				VENT	BLACK
				RECEPTACLE
				BLACK	WHITE
TO LIGHT SWITCH		LIGHT SWITCH	TO FAN SWITCH	SWITCH
	TO NIGHT-			BOX
					WHITE
FIELD					(COMMON)
GROUNDING
WIRE
					FIGURE 5