Heatilator ECO-ADV-PS35 Owner's Manual page 45

grounded and has the correct polarity. A good surge protector
is recommended.
12. Red Call Light
The red call light is on the side of the junction box, below the
fuse. The function of the red call light is to indicate that the
thermostat is calling for heat.
13. Reset Button
The reset button is located on the back of the appliance in the
upper right corner below the heat output control switch. The
function of the button is to momentarily open the thermostat
circuit, which restarts the system.
14. Thermocouple
The thermocouple is located on top of the fi repot inside
the thermocouple cover (ceramic protection tube). The
thermocouple sends a millivolt signal to the control box
indicating the preset temperatures of the green and red lights
have been obtained.
15. Thermostat
The appliance is designed to run on a 12 volt AC thermostat.
The heat anticipator should be set on the lowest setting
available.
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
Thermocouple
Heat Output
Green
Yellow
Red
Orange
White
Blue
Black
Black
Yellow
Red
Purple
Grey
Blue
Black
Black
Igniter
Figure 45.1
Thermostat
Block
Switch
Call
Reset
Light
Button
7058-142L • May 29, 2014
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) 175°F
Snap disc #2 is located on the center of the convection
plenum above the convection blower. There is an orange
and a black wire connected to it. This snap disc will turn off
the feed system which will turn off the appliance if an over
fi re condition should occur or if the convection blower should
fail to operate. If this occurs you will have to manually reset
the snap disc.
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 two grey wires connected to it. To access it remove the
right side panel. 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.
19. Vacuum Switch
The vacuum switch is located on the lower right side of the
appliance behind right side panel. There are two red wires
attached to it. 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 45.1 below.
Red Red Orange Black
Hopper Snap
Vacuum
Capacitor
Disc #2
Switch
Switch
Snap
Disc #1
Snap
Disc #3
M
Feed
Motor
M
Convection
Motor
M
Combustion
Blower
Fuse
Grey
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