
44
R
Heatilator • ECO-ADV-PS35/50 • 7058-142D • July 21, 2010
R
16. Snap Disc #1 (Convection Blower) 110°F
Snap disc #1 is located on the right side of the appliance behind
the right side panel. 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 also located on the back side of the feed drop
tube. There are 2 gray wires connected to it. This snap disc
will turn off the feed system which will turn off the appliance
if an overfire condition should occur or if the convection
blower should fail to operate. If this occurs the snap disc will
automatically reset itself.
18. 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. There
are 2 wires connected to it, orange and black. 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.
19.
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.
20.
Wiring Harness
See Figure 44.1 below.
Figure 44.1
1
B
3/C
D
5/E
F
7/H
14
8
K
10
M
12/N
P
S
M
M
M
N
L
G
Thermocouple
Heat Output
Switch
Thermostat
Block
Vacuum
Switch
Snap
Disc #2
Capacitor
Feed
Motor
Snap
Disc #1
Convection
Motor
Combustion
Blower
Call
Light
Reset
Button
Snap
Disc #3
Fuse
Igniter
Green
Yellow
Red
Orange
White
Black
Black
Yellow
Red
Purple
Gray
Blue
Black
Black
Blue
Hopper
Switch