Owner`s manual
Hydro-Hot Hydronic Heating System Shop Manual 07/03
R
Diesel-Burner
Control
Unit
Diesel-Burner
Head
Q3: Is the Diesel-Burner's Fuel Solenoid
functioning properly?
In
order to determine if the Fuel Solenoid is
functioning
properly, reference Section 8.7
and perform the Fuel Solenoid's "Component
Test".
A: If the Fuel Solenoid is not functioning
properly:
Th
e Fuel Solenoid must be replaced,
reference Section 8.7 for replacement
instructions.
If
the Fuel Solenoid is functioning properly:
Continue Troubleshooting.
Q4:
Is the Diesel-Burner's Control Unit func-
tioning properly?
In order to determine if the Control Unit is
functioning
properly, reference Section 8.11
and perform the Control Unit's "Component
Test".
A: If the Control Unit is not functioning prop-
erly:
The Control Unit must be replaced,
reference Section 8.
11 for replace-
ment instructions.
If the Control Unit is functioning properly:
Continue Troubleshooting.
Q5:
Is the Diesel-Burner's Ignition Coil func-
tioning properly?
In order to determine if the Ignition Coil is
functioning
properly, reference Section 8.10
and perform the Ignition Coil's "Component
Test".
A: If the Ignition Coil is not functioning
properly:
Th
e Ignition Coil must be replaced,
reference Section 8.10 for replace-
ment
instructions.
If the Ignition Coil is functioning properly:
Continue Troubleshooting.
Q6:
Are the Diesel-Burner's Ignition Electrodes
in good condition and properly adjusted?
Section 7: Troubleshooting
Section 7.2,
continue
d
Section 7.2,
continue
d
Ignition
Electrodes
Photo Disc
Flame Sensor
Fuel Pump
Fuel Solenoid
Fuel
Nozzle
Control
Unit
Ignition Coil
Page 20