Installing Optional Blower Accessory | Desa Tech CDVBNC, CDVBPC

CAST IRON STOVE AND DIRECT-VENT BURNER SYSTEM ASSEMBLY

Installing Optional Blower Accessory

CAST IRON STOVE AND DIRECT-VENT BURNER SYSTEM ASSEMBLY

Continued

INSTALLING OPTIONAL BLOWER

ACCESSORY

NOTICE: If installing blower in an existing stove with burner system with gas connections, shut off gas supply and disconnect burner system from gas sup- ply. Contact a qualified service person to do this.

Attaching Thermal Switch to CDA3620T Thermostatically- Controlled Blower

When installing the CDA3620T thermostatically-controlled blower accessory, you must first secure the thermal switch to the blower.

1.Remove the two hex head screws on the blower assembly as shown in Figure 14.

2.Place the green wire between the bottom hole on the thermal switch bracket and the bottom hole on the blower assembly. Insert one of the hex screws into all three pieces and tighten.

3.Insert the top screw through the thermal switch bracket and into the blower assembly. Tighten screw.

4.Connect the blue wire on the blower assembly to the right side of the thermal switch.

5.Connect the black wire to the left side of the thermal switch.

Black Wire	White Wire	Blower
	White Wire	Blower
		Assembly
Thermal
Switch with
Bracket
Hex Head		Green
Hex Head		Wire
Screws	Blue Wire
	Blue Wire

Figure 14 - Attaching Thermal Switch to CDA3620T Thermostatically-Controlled Blower Accessory

Installing GA3750/CDA3620T Blowers

1.Align the holes in the top mounting tabs of blower with holes in wall of rear cover (see Figure 15). Using the 4 screws pro- vided, mount blower and tighten screws securely.

Note: For CDA3620T, make sure the thermal switch has been properly installed to fit against the back of the burner system.

2.Make sure all wire connections to terminals on blower motor (and thermal switch where applicable) are securely attached and that the screw retaining the green ground wire is tight.

3.Place speed control on back wall inside of rear cover and push the plastic control shaft through opening (see Figure 15).

4.While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until tight against the side of rear cover. Place control knob provided onto shaft (see Figure 15).

5.Plug in blower power cord.

6.Check to make sure that the power cord is completely clear of the blower wheel and that there are no other foreign objects in blower wheel. Turn blower on and check for operation. Turn blower off by rotating knob fully counterclockwise before continuing.

WARNING: Never touch the blower wheel while in operation.