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Foreman Ductable Dual Fuel Indirect-Fired Heater
Owner’s Manual • Foreman
23
8. To reinstall new switch, reverse the procedure.
Burner Orifi ce/Igniter/Flame sensor
1. Remove lock nut.
2. Pull the burner chassis out.
3. Disconnect the igniter cable from the igniter.
4. Disconnect the
fl
ame sensor cable from the
fl
ame
sensor.
5. Note set point location of drawer assembly elbow
(set point #3).
6. Remove mounting screw using 6mm allen key.
7. Pull drawer assembly elbow out of combustion
head assembly
Burner Orifi ce Removal
1. Remove burner ori
fi
ce by using the 13/16 socket
2. Make note of washer behind ori
fi
ce when rein-
stalling new ori
fi
ce. Washer must be installed.
Igniter and Flame Sensor Removal
1. Remove the igniter and
fl
ame sensor clamp screw.
2. Position new igniter to measure 4 inches from
clamp to the end of the terminal connection.
3. Flame sensor should measure 3 inches from
clamp to the end of the terminal connection.
Locking Nut
Ori
fi
ce
Mixing
Plate
Combustion
Head
Igniter
Flame Probe
Mounting
Screw
Flame
Sensor
Lead
High Voltage
Lead
3 in.
4 in.
Igniter
Flame Probe
0
-
2
-
4
Zoomed View
Summary of Contents for Foreman CI500
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