TURBOmax VUW 282 E - Heatingspares247.com

7.13 Replacement of automaticair release• Turn off boiler as in section 7.1.1.• Remove front casing as in section7.1.3.• Release CH water pressure anddrain boiler as in section 7.1.2.• Lower front control panel as insection 7.1.6.• Unscrew cap (2, fig. 68) of auto airrelease and remove innercomponents.• Replace with new innercomponents and reassemble inreverse order.• Refill and repressurise the boiler(see section 5.4).7.14 Replacement of automaticbypass• Turn off boiler as in section 7.1.1.• Remove front casing as in section7.1.3.• Release CH water pressure anddrain boiler as in section 7.1.2.• Lower front control panel as insection 7.1.6.• Remove spring clip (1, fig. 66).• Disconnect wires from overheatthermostat (2, fig. 66).• Remove temperature gauge phialfrom primary flow pipe.• Undo unions (3, fig. 66). Removebypass/connecting pipe.• Undo union (1, fig. 69) to removebypass.• Reassemble in reverse order usingsealing washers supplied.• Refill and repressurise the boiler(see section 5.4).7.15 Replacement of divertervalve• Turn off boiler as in section 7.1.1.• Remove front casing as in section7.1.3.• Release CH water pressure anddrain boiler as in section 7.1.2.Open hot water taps.• Lower front control panel as insection 7.1.6.• Remove pump as in 7.12• Remove three screws (1, fig. 70)and pump support bracket (2, fig.70).• Remove clip and disconnect pressuretube (1, fig. 71) from diverter valve.• Undo nut (2, fig. 71) anddisconnect pressure guage tube.• Disconnect union (6, fig. 71).• Disconnect electrical connectionsfrom DHW microswitch (3, fig 71).• Remove clip (4, fig. 71) by pullingdown.• Undo two unions (5, fig. 71).• Undo union (3, fig. 72).• Carefully pull diverter valve andcold water inlet pipe away fromDHW heat exchanger Lift valve andcold water inlet pipe (1, fig. 72)out of boiler.• Reassemble in reverse order.• Carry out electrical checks (seesection 5.1).• Refill and repressurise the boiler(see section 5.4).fig. 69fig. 70fig. 71GW 607/0GW 646/0GW 647/040