105501-01F
For more information, visit www.desatech.com
For more information, visit www.desatech.com
8
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 15.
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.
CAST IRON STOVE AND
DIRECT-VENT BURNER
SYSTEM ASSEMBLY
Continued
Installing GA3750/CDA3620T Blowers
1.
Align the holes in the top mounting tabs of blower with holes
in wall of rear cover (see Figure 16). 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 16).
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 16).
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.
7.
Peel off the backing paper and stick the supplied wiring diagram
decal on the inside of rear cover on right side opposite control.
CAST IRON STOVE AND DIRECT-VENT BURNER SYSTEM ASSEMBLY
Installing Optional Blower Accessory
Figure 15 - Attaching Thermal Switch to CDA3620T
Thermostatically-Controlled Blower Accessory
Thermal
Switch with
Bracket
Black Wire
White Wire
Green
Wire
Blue Wire
Hex Head
Screws
Blower
Assembly
Figure 16 - Installing Optional Blower Accessory (Thermostat
Model CDA3610T Shown)
Blower
Mounting
Screws
(Included in
Hardware
Pack)
Blower
Control
Knob
Control Shaft
Rear
Cover
Speed Control
Power
Cord
Lock
Nut
White
Wire
Blue
Wire
Green
Ground Wire
Black
Wire
Wiring
Diagram
Decal
