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INSTALLATION
isar + programmer -
Installation and Servicing
31 FILLING
Central Heating
1.
Remove the sealing panel. Refer to Frames 44 & 45.
2.
Swing the control box down into the servicing position.
Refer to Frame 46.
3.
Ensure that the CH isolating valves are open.
4.
Fill and vent the system. Check for water soundness.
Note.
The domestic hot water flow rate is
automatically regulated to a maximum:
HE24 = 9.6 l/m (2.1 gpm)
HE30 = 12.0 l/m (2.6 gpm)
HE35 = 14.4 l/m (3.2 gpm)
The safety valve is located at the bottom RHS of the boiler.
The discharge pipe should be positioned so that the discharge of water or steam cannot create a hazard to the occupants
of the premises or damage the electrical components and wiring.
30 SAFETY VALVE DRAIN
IMPORTANT - when filling:
a.
Remove the diverter valve actuator (refer to Frame 62)
and depress the spindle several times during filling.
Replace diverter valve actuator.
b.
When filling, there may be a slight water leak from the air
vent therefore electrical connections should be
protected.
c.
Bleed any air from the pump and ensure that it is free to
rotate.
For Wilo Pump:
To ensure the pump is free to rotate:
i.
Remove the vent plug
ii.
Using a screwdriver, rotate the shaft several times
For CP Pump:
To ensure the pump is free to rotate:
i.
Unscrew the central cap.
ii.
Gently pull the cap out to engage with the shaft.
iii.
Rotate the cap and spindle.
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.
To vent the pump:
Repeat steps i. and ii. Move the fitting from side to side to
allow air to vent. Ensure the cap is fully retightened.
iii.
Replace the vent plug.
Note
.
Some slight water leakage will occur.
Pump
Automatic
air vent
Central
Cap
nm8412
c.
INST
ALLA
TION
202851-1new.pmd
17/11/2006, 07:40
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