Ambirad VISION VSO Instrukcje Operacyjne Pobierz pdf (Strona 19)

6.2 Air Pressure Switch Replacement

Step 1 Disconnect the two silicone impulse

tubes and three wiring connections making note

of replacement positions.

Step 2 Remove the two screws as shown

below.

Step 3 The air pressure switch can now be

removed.

Step 4

Fit the new air pressure switch ensuring the

impulse tubes are connected as shown below.

Step 5

Test product

and close

access doors.

6.3 Gas Valve Replacement

Step 1 Remove the burner assembly as

described in the section 3.3 Servicing.

Step 3 Open the left hand access door and

detach the impulse hoses from the air pressure

switch.

Step 4 Remove the 4 screws holding the burner

head onto the burner assembly.

Step 5 The burner head can now be detached

by disconnecting the impulse tube and the

burner head wiring.

Step 6 Detach the two screws holding the front

of the gas valve.

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