IDEAL VOGUE SYSTEM S15 Installation And Servicing page 56

67 PRe SSURe Relief V Al Ve Rene WAl
1. Refer to Frames 45 & 46.
2. Refer to Frame 53.
3. Close the isolating service valves
and drain the (CH) boiler. Refer to
Frame 65.
4. Remove the burner & Fan assembly.
Refer to Frame 52.
5. Remove the CH Water Pressure
Sensor. Refer to Frame 70.
6. Undo the PRV outlet retaining nut.
(retaining the washer)
7. Remove the securing clip at the rear
of the valve body.
8. Withdraw the valve vertically.
9. Renew the valve and refit in reverse
order.
10. Refill the CH system. Refer to
Frame 65.
11. Check the operation of the boiler.
Refer to Frames 32-35.
68 PUMP AUto Ai R Vent Re Pl ACe Ment
1. Refer to Frames 45 & 46.
2. Refer to Frame 53.
3. Close the isolating service valves and drain the
(CH) boiler. Refer to Frame 65.
4. Remove the burner & Fan assembly. Refer to
Frame 52.
5. Remove return pipe connected at top of pump and
heat exchanger.
6. The auto air vent is retained in the pump body
with a bayonet connection. The air vent and
float assembly is removed by turning the head
anti-clockwise (viewed from above) and pulling
upwards.
7. Reassemble in reverse order.
8. Ensure the air vent head o ring seal is in place
when refitting and the seal is in place at the pump
outlet connection.
9. Refill the CH system. Refer to Frame 65.
10. Loosen the cap of the air vent.
11. Check the operation of the boiler. Refer to Frames
32-35.
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vogue system boiler -
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Installation and Servicing