Filling - IDEAL istor HE260 Installation And Servicing

41 FILLING

Central Heating
Refer to system requirements Frame 5.
1. Remove the boiler sealing panel. Refer to Frame 56.
2. Ensure that the CH isolating valves are open.
3. Fill and vent the system. Check for water soundness.
IMPORTANT - when filling:
a. Move lever on valve across to the manual position (mid
position) for filling.
b. The cap on the automatic air vent (refer to Frame 48)
MUST be loose at all times.
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Installation and Servicing
INSTALLATION
When filling, there may be a slight water leak from the vent
therefore electrical connections should be protected.
c. Open manual air vent above the diverter valve and bleed
any air from the diverter valve.
d. Bleed any air from the pump and ensure that it is free to
rotate.
i. Remove the vent plug
ii. Using a screwdriver, rotate the shaft several times
iii. Replace the vent plug.
Note. Some slight water leakage will occur.
Domestic Hot Water
1. Fully open all DHW taps and ensure that water flows freely
from them.
2. Close all taps except the one furthest from the boiler.
3. Turn off the DHW tap.
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