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Glow-worm 24cxi User Manual

Glow-worm 24cxi
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34
0020008154A
Diagram 12.9
9184
Diagram 12.10
9302
DRAIN POINT
DRAIN
VALVE
GAS SERVICE
COCK
MOUNTING JIG
FIXING JIG
CENTRAL
HEATING
RETURN FILTER
RETAINING CLIP
HOUSING
12 Servicing
Diagram 12.11
10063
SEAL
FRONT
CASING
PANEL
FLAT
AND
HOLE
INNER
CASING
PANEL
12.7 Domestic Cold Water Inlet Filter
If the water flow rate through the appliance has reduced it may
be necessary to clean or replace the water inlet filter.
Turn off the electrical supply to the boiler.
Refer to section 12.10 and drain the domestic hot water circuit.
Slide out the securing clip, which holds the filter in its housing
to the left of the pump, remove the filter to clean or renew if
necessary, see diagram 12.8.
Replace the filter into its housing and replace the securing clip.
Open the cold water isolating valve and test the Domestic Hot
Water circuit for soundness.
Check for leaks.
12.8 Central Heating Return Filter
Turn off the electrical supply to the boiler.
Refer to section 12.9 and drain the heating circuit of the boiler.
Remove the filter retaining clip and filter clean or renew if
necessary, see diagram 12.9.
Refit the filter, ensuring the correct orientation. The flat and hole
in the filter as shown in diagram 12.9. Secure with retaining clip.
Open the heating flow and return isolating valves and refill, vent
and pressurise the heating circuit. See section 11.2.
Check for leaks.
12.9 Draining of Boiler Heating Circuit
Drain down the Heating Circuit of the boiler only, by closing the
heating flow and return isolating valves on the wall mounting jig,
see diagram 7.1.
Attach a length of hose to the drain point and open the drain
valve, see diagram 12.10.
After servicing or replacing parts, close the drain valve and
remove the hose. Open the heating flow and return isolating
valves and refill, vent and pressurise the heating circuit. See
section 11.2.
Check for leaks.
12.10 Draining of Boiler Hot Water Circuit
Drain the Domestic Hot Water circuit by closing the cold-water
isolation valve on the wall mounting jig.
Open one or more hot water taps to drain the hot water circuit.
After servicing or replacing parts open the cold-water isolation
valve and slowly open a hot water tap to remove air. Close the
hot water tap and check for any leaks.
12.11 Inner Casing Panel Seal Check.
Check the condition of the seal, replace as required.
To replace remove the old seal, thoroughly clean the casing
sufaces. Fit the new seal, it is supplied to the correct length, see
diagram 12.11.

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Glow-worm 24cxi Specifications

General IconGeneral
Model24cxi
CategoryBoiler
Output24 kW
MountingWall-mounted
ERP RatingA
Flow Rate (l/min)9.8 l/min
Max. Working Pressure3 bar
Flow Rate at 35°C Rise9.8 l/min
Gas TypeNatural Gas
Electrical Supply230V / 50Hz
DHW Output (kW)24.0 kW
Central Heating Flow Temperature Range30°C - 80°C
Gas Consumption (Max)2.7 m³/h
TypeCondensing Combi Boiler
Dimensions740mm x 418mm x 300mm

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