Glow-worm 30cx Installation And Servicing Guide

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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 15.5
13278
FIBRE WASHER
GLASS
STEEL WASHER
CIRCLIP
Diagram 15.6
13279

Glow-worm 30cx Specifications

General

Model	30cx
Category	Boiler
Output	30 kW
Efficiency Rating	A
ERP Rating	A
Dimensions (H x W x D)	740 x 418 x 300 mm
Mounting	Wall Mounted
Fuel Type	Natural Gas
Domestic Hot Water Output (kW)	30 kW
Central Heating Flow Temperature Range	30-80°C
Gas Type	Natural Gas
Water Pressure	0.5 - 3 bar
Type	Combination boiler