Powrmatic Air Heater NV10-F

Disconnect the electrode leads from the PCB terminal

Remove the screw securing the electrode assembly to the burner assembly side plate

Withdraw the electrode assembly

Fit the replacement electrode assembly

Disconnect electrical connections

Pull off the sensing tube from the air pressure switch

Note the setting of the old pressure switch

Remove the screws fixing the air pressure switch

Installation of New Pressure Switch

Fit replacement pressure switch in reverse order

Remove the burner assembly as described in Section 7.2

Remove the end plates of the burner assembly

Remove the central burner support plate

Reassemble components in reverse order

Remove the burner assembly as described in Section 7.2

Multifunctional Control Removal

Release the flanged connections at the inlet of the multifunctional control

Release the flanged connections at the outlet of the multifunctional control

Remove the multifunctional control

Reconnect the new valve ensuring correct orientation

Renew the sealing O-rings if necessary

Remove the screws securing components

Disconnect the fan electrical connections from the terminals on the PCB

Remove fan assembly by pulling forwards and to the left to disengage the retaining lugs

Is it necessary to transfer the fan mounting box to the replacement fan?

Fit replacement exhaust fan using new gaskets and silicone sealant as necessary

Reassemble components in reverse order