Removing Valve Cover Shield, Installing Blower Assembly

INSTALLATION

Installing Blower Accessory - GA3450T (Cont.)

INSTALLATION

Continued

Removing Valve Cover Shield

1.Open bottom louver assembly by swinging the assembly down (see Figure 17).

2.Using short Phillips screwdriver, remove the screw under the center of the branch support. Rotate valve cover shield clock- wise and slide out. IMPORTANT: Do not remove shoulder screw on the left side of valve cover shield. Slide the valve cover shield off of the shoulder screw (see Figure 17).

Note: If you do not have a short Phillips screwdriver, the screen, log set, and branch support must be removed so a longer screw- driver may be used. See Connecting Equipment Shutoff Valve to Heater Control, page 15, steps 1 and 2.

Branch Support

	Shoulder Screw
Remove	Valve Cover
Screw	Shield
	2

	Snap Bushings	Bottom Louver
	Snap Bushings	Assembly
		Assembly

Figure 17 - Removing Valve Cover Shield

Installing Blower Assembly

CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

CAUTION: Verify proper operation after servicing.

Note: If you are using a mantel with your heater, use the following instructions. If your heater is built-in, see For Built-In Installation on page 13.

1.Install snap bushings found in hardware kit into both holes in rear of valve cover shield.

2.Make sure the wire harness is firmly connected to the terminals on the blower bracket assembly.

3.Note the wire locations on back of AUTO/OFF/ON switch. The terminals on back of switch are numbered 1, 2, and 3. Carefully remove red wire from terminal 1 and blue wire from terminal 3. Black wire can remain on middle terminal 2 (see Figure 18).

4.Carefully disconnect green and white wires at their insulated connectors.

5.In top of the heater cabinet, locate the four mounting holes on the outer casing. Align these four holes with those on the blower bracket assembly. Attach blower bracket assembly to the outer casing with 4 #10 screws provided (see Figure 18).

6.Route the wire harness through the hole in left side of baffle. Pull wire harness through lower opening above where the valve shield was removed. (see Figure 18).

7.Insert the 4 wire harness into one of the round holes in the rear of the valve cover shield and through the rectangular hole in the front of shield (see Figure 18).

8.Reconnect red wire to switch position 3. Reconnect blue wire to switch position 1. Reconnect green and white wires.