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 14). 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 assembly and hood if previously removed, (see Figure 16, page 13). Close lower louver door.

Valve Cover

Shield

Switch

PlateScrew

Figure 19 - Installing Switch Plate to

Valve Cover Shield

For Built-In Installation

WARNING: A licensed elec- trician must connect the wiring harness to electrical supply following all local codes. Electri- cian 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 14, 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 electrical supply.

2.Follow steps 2 through 6 in Installing Blower Assembly, page 14. 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 installations. 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 connect 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 13). 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

Screw

Assembly

Harness

 

 

Switch

Power

 

 

 

 

Switch

 

Cord Outlet

 

3

 

Receptacle

 

1

 

Plate

2

 

 

 

 

 

 

 

Blue Red

 

 

 

Plastic Wire

 

 

 

Strap

 

 

 

 

Valve Cover

Box

 

Wire

Shield

 

Cover

Clamp

Harness

Connector (not included)

Figure 21 - Installing Blower Bracket

Assembly

111044-01E

www.desatech.com

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Desa HDCFTP installation manual Installing Switch Plate to Valve Cover Shield, For Built-In Installation