TURBOmax VUW 282 E - Heatingspares247.com

7.2 Replacement of fan (fig. 55)• Isolate the boiler from the electricalsupply.• Remove front casing as in section7.1.3, and remove combustionchamber cover as in section 7.1.5.• Disconnect the electrical connectionsfrom the fan.• Remove the 2 fan securing screws(4) and remove fan.• Reassemble in reverse order.• Re-fit combustion chamber and frontcasing.• Carry out electrical checks (seesection 5.1).7.3 Replacement of air pressureswitch (fig. 56)• Isolate the boiler from the electricalsupply.• Remove front casing as in section7.1.3.• Disconnect electrical connections topressure switch• Remove screw (1) and lift outpressure switch.• Disconnect air tubes (2) from switch.• Reassemble in reverse order.• Carry out electrical checks (seesection 5.1).Note: Air tubes should be reconnectedP1 to white tube.P2 to blue tube.(P1 and P2 are marked on airpressure switch).fig. 55fig. 56GW 639/0-aGW 640/034