29
December 9, 2019
7059-801D
HEATILATOR ECO CHOICE PS50
11. Power Supply
The power outlet is located behind the control box on the
back of the appliance, lower left corner. Check the wall
receptacle for 120 volt, 60 Hz (standard current). Make
sure the outlet is 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 firepot 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 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 fire 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 gray wires connected to it. 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. There are two red wires
attached to it. 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 29.1
below.
Figure 29.1
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
Red
Red
Orange
Orange
White
Black
Black
Black
Yellow
Red
Purple
Grey
Grey
Blue
Black
Black
Blue
Hopper
Switch