Reznor VCT Unit Installation Manual - Manual (Page 38)

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Step 3: The gas injector can be inspected and
replaced if contaminated or blocked.
When replacing the gas injector ensure
approved thread sealant is used.
Step 4: Reconnect ignition leads and silicone
tube to test nipple. Refit gasket and support
casting.
4.5 Combustion Fan Servicing
Step 1: Remove the four top lid screws to
reveal the combustion fan shown below.
Step 2: Disconnect the fan cables after first
noting their positions, then pull cable through to
fan compartment.
Step 3: Remove the four fan fixing screws then
withdraw the fan complete with mounting
bracket as shown below.
Step 4: Remove fan orifice plate.
Step 5: Inspect the impeller and remove any
dust with a soft brush.
Step 6: Remove any dust from fan scroll and
from around the motor.
Step 7: Ensure the impeller rotates freely.
Step 8: Refit components.
4.6 Burner Head and Electrode Servicing
Step 1: Check the pepper pot burner head for
contamination. If necessary this can be
removed. See below.
This can be cleaned together with the inside of
the burner head.
Step 2: The pepper pot burner head can be
replaced ensuring the 5 holes on the outer ring
are aligned alongside the probes.
Step 3: The condition of the igniter assembly
can be checked for deterioration. However, we
advise replacement at each service to ensure
continued reliability. Detach the electrode
assembly from the burner head by removing the
two screws as shown and separating the
igniter assembly lead connectors.