GE BF120, BF150A manual Wiring, Completing the Installation, Use and Care

Ducting

Duct

Collar

Figure 5

NOTE: If damper detaches from unit, reattach by snapping the collar back onto the unit. It is designed to only fit one way.

SECTION 5

Wiring

CAUTION: MAKE SURE POWER IS SWITCHED OFF AT SERVICE PANEL BEFORE STARTING INSTALLATION.

CAUTION: ALL ELECTRICAL CONNECTIONS MUST BE MADE IN ACCORDANCE WITH LOCAL CODES, ORDINANCES, OR NATIONAL ELECTRICAL CODE. IF YOU ARE UNFAMILIAR WITH METHODS OF INSTALLING ELECTRICAL WIRING, SECURE THE SERVICES OF A QUALIFIED ELECTRICIAN.

1.Run wiring from an approved wall switch carrying the appropriate rating. One neutral (white), one ground (green or bare copper), and one hot (black lead connected to the switch). Secure the electrical wires to the housing with an approved electrical connector. Make sure you leave enough wiring in the box to make the connection to the fan’s receptacle.

2.From where you have access to inside the fan’s junction box, connect the White wire from the house to the White wire from the fan’s receptacle. Connect the Black wire from the wall switch to the Black wire from the fan’s receptacle. Connect the ground wire from the house to the Green wire from the fan’s receptacle (Figure 6). Use approved methods for all connections.

Supply
from
house
White	Hot (Black)
Figure 6	Ground

SECTION 6

Completing the Installation

1.Reinstall the fan’s venturi by holding it at approximately a 45 degree angle, hook the two tabs on the venturi into the slots on the housing and secure in place by tightening the venturi screw. Rotate the blower wheel by hand to ensure it spins freely. Now plug the fan motor into the receptacle (Figure 7).

Figure 7

2.Install the grill by squeezing the two ends of the springs together and installing them up into the slots of the fan’s venturi. Push the grill up into position (Figure 8).

Figure 8

3.Restore power and test your installation.

SECTION 7

Use and Care

CAUTION: MAKE SURE POWER IS SWITCHED OFF AT SERVICE PANEL BEFORE SERVICING THE UNIT.

1.Cleaning the Grill: Remove grill and use a mild detergent, such as dishwashing liquid, and dry with a soft cloth. NEVER USE ANY ABRASIVE PADS OR SCOURING POWDERS. Completely dry grill before reinstalling. Refer to instructions in Section 6 Finishing the Installation, to reinstall grill.

2.Cleaning the Fan Assembly: Unplug the motor cord from receptacle and loosen the venturi screw to remove the venturi from the unit. Wipe all parts with a dry cloth or gently vacuum the fan. NEVER IMMERSE ELECTRICAL PARTS IN WATER. Refer to instructions in Section 6 Finishing the Installation, to reinstall venturi.

Troubleshooting Guide

	Trouble		Probable Cause		Suggested Remedy
1.	Fan does not operate when the switch is on.	1a.	A fuse may be blown or a circuit tripped.	1a.	Replace fuse or reset circuit breaker.
		1b.	Connector plug from motor is not plugged in.	1b.	Turn off power to unit. Remove Grill and plug motor into
					receptacle in housing. Restore power to unit.
		1c.	Wiring is not connected properly.	1c.	Turn off power to unit. Check that all wires are connected.
2.	Fan is operating, but air moves slower than normal.	2.	Obstruction in the exhaust ducting.	2.	Check for any obstructions in the ducting. The most common
					are bird nests in the roof cap or wall cap where the fan
					exhausts to the outside.
3.	Fan is operating louder than normal.	3a.	Motor is loose.	3a.	Turn off power to unit. Remove grill and check that all screws
					are fully tightened. Restore power to unit.
		3b.	Fan blade is hitting housing of unit.	3b.	Call your dealer for service.
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