24
7022-515G
November 27, 2017
CASTILE INSERT
17. Snap Disc #1 (Convection Blower) 110°F
Snap disc #1 is located on the right side of the firebox. 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 if the appliance is powered up.
18. 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 over fire condition should occur or
if the convection blower should fail to operate. If this occurs
the snap disc with automatically reset itself.
19. 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 side panel. If the fire 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. Power is always present at snap disc #3 if
the appliance is powered up.
20. Vacuum Switch
The vacuum switch is located on the lower right side of the
appliance behind left access panel. This switch turns the
feed system on when vacuum is present in the firebox. 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 firebox door is open.
21.
Wiring Schematic
See Figure 24.1 below
The power outlet is located on the right rear of the appliance
beneath the heat output switch and reset button.
VACUUM
SWITCH
SNAP
DISC #2
CAPACITOR
FEED
MOTOR
SNAP
DISC #1
CONVECTION
BLOWER
COMBUSTION
BLOWER
SNAP
DISC #3
FUSE
RESET
BUTTON
CALL
LIGHT
THERMOS TAT
BLOCK
HEAT OUTPUT
SWITCH
THERMOCOUPLE
IGNITOR
YELLOW
YELLOW
RED
RED
ORANGE
WHITE
BLUE
BLUE
PURPLE
GRAY
BLACK
BLACK
BLACK
BLACK
HOPPER
SWITCH
Figure 24.1
