Archgard 40-DVI40N - Manual (Page 34)

Optima 40 - SB
34
REPLACING CONVECTION BLOWER
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper operation after servicing
. This
appliance, when installed, must be electrically grounded in accordance with local codes or, in
the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian
Electrical code, CSA C22.1.
NOTES:
 Make sure the gas to the appliance has been shut off.
 Ensure that the main power and breaker system is turned off before removing the fan.
 Make sure the fireplace has been turned off and is cool to the touch.
 Mark all wires to be removed for proper reassembly.
CAUTION: Wiring errors cause improper and dangerous operation.
If any of the original wire supplied with the appliance must be replaced, it must be replaced with
type 18 awg 600v 105 C wire, or its equivalent.
1. Remove the glass door. Follow GLASS DOOR REMOVAL instructions within this manual.
2. Remove the log set. Follow LOG PLACEMENT instructions within this manual.
3. Loosen the adjustment wing nut and slide the air shutter to the left. Follow ADJUSTING
PRIMARY AIR instructions within this manual.
4. Remove the pan burner. Follow instructions for CHANGING MAIN BURNER ORIFICE within
this manual.
5. Remove valve tray assembly. Make sure to test for gas leaks at every fitting removed to
access the fan assembly when re-assembling.
6. Mark all wires to be removed for proper reassembly.
7. The convection blower is located at the bottom of the appliance at the back. Remove the
three screws holding the blower.
8. Lift the blower out and disconnect the wires from the blower.
9. Reverse these steps after new fan is installed & tested.
To Appliance Body
120 VAC
white
black
SPEED
CONTROL
LINE
GROUND
NEUTRAL
110ºF (43ºC) N.O.
THERMAL SNAP
SWITCH
CONVECTION BLOWER
black white black
green
WIRING DIAGRAM
MO
SPEED
CONTROL
110F (43ºC) N.O.
THERMAL SNAP
SWITCH
CONVECTION BLOWER
LINE
GROUND
NEUTRAL