Owner`s manual

Hydro-Hot Hydronic Heating System Shop Manual 07/03
R
Department at 1-800-685-4298 for
assistance.
If
NO:
Th
e Electronic Controller must be
replaced. Please contact our Techni-
cal Department at 1-800-685-4298 for
assis
tance.
NOTE:
If no problems were discovered up to
this
point, the problem most likely lies within
the Diesel-Burner
Head. However, prior to
troubleshooting the Diesel-Burner Head, be
sure to review the "Operational Flow-Chart"
in
Section 5.2, the "Operational Sequence"
in Section 5.3, and the "Function" section for
each
of the Diesel-Burner Components,
reference Sections 8.3 thru 8.11. This informa-
tion
may help determine at what point the
Diesel-Burner fails to operate.
Q4
:
Is the Diesel-Burner's Motor operating?
Quick Check - Listen at the heater for the
Diesel-Burner's Motor to operate, or check for
output
air at the heater's exhaust pipe.
A: If the Motor does not seem to be operating:
Reference
Section 8.3 and perform
the
Motor's "Component Test".
If the Motor is operating:
Continue troubleshooting.
Q5:
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:
Th
e Control Unit must be replaced,
reference Section 8.
11 for replace-
ment instructions.
If
the Control Unit is functioning properly:
See the "NOTE" on the top left-hand
side of the following page.
Section 7.1,
continue
d
Section 7: Troubleshooting
Ignition
Electrodes
Photo Disc
Flame Sensor
Fuel Pump
Fuel Solenoid
Fuel
Nozzle
Control
Unit
Ignition Coil
Diesel-Burner
Control
Unit
Diesel-Burner
Head
Section 7.1,
continue
d
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