INSTALLATION

Installing Blower Accessory - GA3450T (Cont.)

13

INSTALLATION

Continued

9.Install the switch plate on the valve cover shield with 2 #10 screws provided (see Figure 19). Reinstall the valve cover shield. Route power cord out of the cabinet by inserting it through the bushing on the outer casing (see Figure 18, page 12). Plug fan kit into 120-Volt grounded power supply and test operation. Note: When switch is in the AUTO position, the fan will start after the heater has run for a few moments. The fan will continue to run for several moments after the heater has been turned off. When switch is in the ON position, the fan will run until turned to OFF. Reinstall upper louver assem- bly and hood if previously removed, (see Figure 16, page 11). Close lower louver door.

Valve Cover

Shield

Switch

Plate

Screw

Figure 19 - Installing Switch Plate to Valve Cover Shield

For Built-In Installation

WARNING: A licensed electrician must connect the wiring harness to electrical supply following all local codes. Electrician must provide a clamp on the box cover to secure the wiring. Wiring should be routed through the bushing in the hole on the outer casing of heater.

Follow instructions in Removing Valve Cover Shield, page 12, then

1.Install a snap bushing found in hardware kit into one of the holes found on rear of valve cover shield. The other hole is for a strain relief clamp (not supplied) to secure incoming electri- cal supply.

2.Follow steps 2 through 6 in Installing Blower Assembly, begin- ning on page 12. Also remove black wire from middle switch terminal 2.

3.Remove black plastic strain relief and power cord from switch plate. The power cord supplied will not be used in built-in in- stallations. Pop in the plastic snap bushing found in hardware kit into the hole left by supply cord/strain relief.

4.A licensed electrician must follow the wiring diagram to con- nect incoming electrical supply to fan kit wiring harness (see Figure 20).

5.Plug power cord to the outlet receptacle (not provided) as shown in Figure 21. Wind the extra cable in power cord and and tie it up with the plastic wire strap (see Figure 21). Set the cable bundle between the burner bracket and outer casing, away from the burner.

6.Reinstall valve cover shield.

7.Test to make sure the blower is working properly.

8.Reinstall upper louver assembly and hood if previously removed, (see Figure 16, page 11). Close lower louver door.

 

Fan Switch

 

 

 

 

 

 

 

(Auto/Off/On)

 

 

 

 

 

 

 

 

1 Auto

 

 

 

 

 

 

 

Off

2

 

 

 

 

 

 

 

 

 

 

 

3

Blue

 

Thermostat

 

 

 

On

 

 

 

Switch

 

 

 

 

 

 

(N.O.)

110/115

 

 

Red

 

 

 

 

Blue

V.A.C.

 

 

 

 

Blower

 

Black

 

 

 

 

 

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

 

 

 

 

 

 

 

 

 

White

 

 

 

 

 

 

White

 

 

Green

 

 

 

 

 

 

Green

Figure 20 - Wiring Diagram For Blower Accessory Built-In Installation

Blower Bracket

Wire

Assembly

Harness

 

Screw

Switch

Power

Cord

 

Outlet

3

Receptacle

2

 

1

 

Blue Red

Switch

Plate

Plastic

Wire Strap

Valve

 

 

Cover

Box Cover

Wire

Shield

Harness

Clamp Connector

 

 

 

(not included)

 

Figure 21 - Installing Blower Bracket Assembly

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Page 13
Image 13
Desa CGCFTP CGCFTN installation manual For Built-In Installation, Outlet