Glow-worm 24cxi User Manual

35 0020008154A
NOTE
Before trying to operate the boiler make sure that :
• All gas supply cocks are open and that the gas supply has
been purged of air.
• There is a permanent mains supply to the boiler.
• There is a heating demand from the external controls.
WARNING.
Always isolate the boiler from the electrical supply before
carrying out any electrical replacement work.
Always check for gas soundness after any service work.
Electrical Testing
Should there be any doubt about the voltage supply to any of the
components, it is possible to carry out a simple electrical test.
Important. On completion of the Service/Fault Finding tasks
which have required the breaking and remaking of the electrical
connections the earth continuity, polarity, short circuit and
resistance to earth checks must be repeated using a suitable
multimeter.
To carry out the electrical test, gain access, as follows:
Hinge down the control box and remove Torx screws and
unhook the rear panel, refer diagram 12.2.
Refer to the Wiring diagram 13.1 and fault finding charts
diagrams 13.2 and 13.3.
13 Fault Finding

Glow-worm 24cxi Specifications

General

Model	24cxi
Category	Boiler
Output	24 kW
Mounting	Wall-mounted
ERP Rating	A
Flow Rate (l/min)	9.8 l/min
Max. Working Pressure	3 bar
Flow Rate at 35°C Rise	9.8 l/min
Gas Type	Natural Gas
Electrical Supply	230V / 50Hz
DHW Output (kW)	24.0 kW
Central Heating Flow Temperature Range	30°C - 80°C
Gas Consumption (Max)	2.7 m³/h
Type	Condensing Combi Boiler
Dimensions	740mm x 418mm x 300mm