Quadra-Fire 810-02901 Owner's Manual page 40

Castile Pellet Insert
16. Snap Disc #1 (Convection Blower) 110°F
Snap disc #1 is located behind the right cast side of the fi rebox
above the red call light. There are 2 purple wires connected
to it. This snap disc turns the convection blower on and off as
needed. Power is always present at snap disc #1.
17. Snap Disc #2 (Fuel Delivery Interrupt) 250°F
Snap disc #2 is located on the back side of the feed drop
tube. There is 1 orange wire and 1 black wire connected to
it. This snap disc will turn off the feed system, which will turn
off the appliance if an overfi re condition should occur or if the
convection blower should fail to operate. If this occurs the
snap disc with automatically reset itself.
18. Snap Disc #3 (Burn Back Protector) 250°F
Snap disc #3 is mounted on the back of the auger tube in the
center of the appliance and has a reset button. To access
it remove the right cast side. If the fi re tries to burn back
into the feed system or push exhaust up the feed tube, this
snap disc will shut the entire system off. This disc must be
manually reset.
Thermocouple
Yellow
Red
Black
White
Red
Black
Black
White
Red
Purple
Gray
Blue
Black
Black
Igniter
Figure 40.1
Page 40
Thermostat
Burn
Block
Selector
Call
Snap
Light
Disc #3
19. Vacuum Switch
The vacuum switch is located at the back of the appliance.
This switch turns the feed system on when vacuum is present
in the fi rebox. The vacuum switch is a safety device to shut
off the feed motor if the exhaust or the heat exchanger
system is dirty or plugged or if the fi rebox door is open.
20. Wiring Harness
See Figure 40.1 below
Female
Male
Vacuum
Switch
Reset
Button
Fuse
250-7251G
Feed
Snap Capacitor
Motor
Disc #2
Snap
Convection
Disc #1
Blower
Exhaust
Blower
Receptacle
August 20, 2009
R