Glow-worm 38cxi Installation And Servicing

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15 Replacement of Parts
15.10 Viewing Window
For access, refer to section 15.1.
Refer to diagram 15.5.
Remove circlip.
Remove steel washer.
Remove glass.
Remove bre washer.
15.11 Expansion Vessel
For access, refer to section 15.1.
Drain the boiler heating circuit as described in the appropriate
section of 15.1.
Undo the coupling at the base of the vessel, see diagram
15.6.
While holding the vessel remove the securing bolt on the top
panel of the boiler. Remove upper support bracket.
Fit a new gasket between the expansion vessel and coupling.
Rell, vent and pressurise the boiler.
Diagram 15.6
13279
Diagram 15.5
13278
FIBRE WASHER
GLASS
STEEL WASHER
CIRCLIP

Glow-worm 38cxi Specifications

General

Model	38cxi
Category	Boiler
Output	38 kW
Efficiency	89.2%
Efficiency Rating	A
ERP Rating	A
Fuel Type	Natural Gas
Mounting	Wall Mounted
Max. Working Pressure	3 bar
Electrical Supply	230V ~ 50Hz
Flow Rate at 35°C Rise	15.7 litres/min
Central Heating Flow Temperature Range	30°C to 80°C
Type	Condensing Combi Boiler
Flow Rate	15.7 litres/min at 35°C rise