Quadra-Fire CB1200I-C Owner's Manual page 30

CB1200 Pellet Insert
16. Thermostat
The appliance is designed to run on a 12 volt AC
thermostat. The heat anticipator, if present, should be
set on the lowest setting available.
17. Snap Disc #1 (Convection Blower) 125°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.
18. Snap Disc #2 (Fuel Delivery Interrupt) 200°F
Snap disc #2 is located on the left side of the appliance
behind the access door. There are 2 yellow wires
connected to it. This snap disc will interrupt the
thermostat circuit, which will shut down 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 and the appliance
will start up if the thermostat is still calling for heat.
Thermocouple
Yellow
Purple
Red
Orange
White
Blue
Black
Black
Yellow
Red
Purple
Gray
Blue
High Temp
High Temp
Igniter
Figure 30.1
30
Heat
Thermostat
Output
Switch Block
Snap
Disc #2
Call Light Reset
Button
19. Snap Disc #3 (Burn Back Protector) 250°F
Snap disc #3 is mounted on the right side of the auger
tube just below feed motor 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 at the rear of the
appliance. 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 30.1 below
Vacuum
Switch
Snap
Disc #1
7027-805C
Hopper Feed
Capacitor
Motor
Switch
Blower
Speed
Convection
Blower
Exhaust
Blower
Fuse
Snap
Disc #3
June 4, 2019