Quadra-Fire CASTILE-B series Owner's Manual page 31

16. Thermostat
The appliance is designed to run on a 12 volt AC
thermostat. The heat anticipator should be set on the
lowest setting available.
17. Snap Disc #1 (Convection Blower) 110°F
Snap disc #1 is located on the right side of the appliance on
the bottom of the heat exchanger box. 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.
18. Snap Disc #2 (Fuel Delivery Interrupt) 250°F
Snap disc #2 is also located on the back side of the feed
drop tube. There are 2 orange wires 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 will automatically reset itself.
THERMOCOUPLE
HEAT OUTPUT
SWITCH
YELLOW
RED
ORANGE
WHITE
BLUE
BLACK
BLACK
YELLOW
RED
PURPLE
GR AY
BLUE
BLACK
BLACK
IGNITOR
Figure 31.1
February 11, 2019
THERMOS TAT
BLOCK
RESET
CALL
BUTTON
LIGHT
19. Snap Disc #3 (Back Burn 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.
20. Vacuum Switch
The vacuum switch is located on the lower right side of the
appliance behind right side 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 Harness
See Figure 31.1 below.
HOPPER
VACUUM
SWITCH
SWITCH
7021-155H
CASTILE FREESTANDING
CAPACITOR FEED
SNAP
MOTOR
DISC #2
SNAP
CONVECTION
DISC #1
BLOWER
COMBUSTION
BLOWER
SNAP FUSE
DISC #3
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