Replacing parts – Reznor VPS Unit Installation Manual User Manual

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7. Replacing Parts.

7.1 Burner Controller Replacement

Step 1: Loosen screw in right hand burner
access door and open.

Step 2: Disconnect burner controller from the
wiring harness.

Step 3: Disconnect the spark lead from burner
controller.

Step 4: Remove the two screws attaching the
controller to the burner door and remove.

Step 5: Attach new burner controller.

Step 6: Reattach leads.

Step 7: Test product and close access door.

7.2 Air Pressure Switch Replacement

Step 1: Open left hand door. Disconnect the two
silicone tubes from the pressure switch.

Step 2: Remove the two screws shown below.

Step 3: Remove electrical connections. The air
pressure switch can now be removed.

Step 4: Fit the new air pressure switch ensuring
the silicon tubes are connected as shown
below.

Step 5: Test product and close access doors.

Turn off gas and any electrical supplies to
the heater before starting repair work.