Fitting The Appliance Boiler Connections - Worcester GREENSTAR 30CDi Installation, Commissioning And Servicing Instructions

4.4

FITTING THE APPLIANCE BOILER CONNECTIONS

CAUTION: Isolate the mains gas supply before starting
any work and observe all relevant safety precautions.
GAS AND WATER CONNECTIONS:
• If there is greater than 600mm clearance below the appliance it is
possible to fit the flow and return pipes, supplied, with the boiler
installed on the wall.If clearance is less than 600 mm below the
appliance it may be necessary to fit the flow and return pipes before
hanging the appliance.
▶ System pipes may be run vertically up behind the boiler or below it.
See Plumbing Manifold Section on page 13.
If pipes require reducing in length this is best done
before they are fitted to the boiler.
A - Flow (22mm)
C - Return (22mm)
B - Gas inlet (22mm)
1. Fit the sealing washers before hanging boiler.
▶ Remove the plastic strip from connections on boiler.
The accessibility to the pre-plumbing manifold can be
improved by removing the condensate trap.
A
B
Fig. 25 Fit washers
2. Hang the boiler on to the hanging bracket.The lugs pass through the
rectangular holes in the boiler back panel. Take care not to disturb the
washers on the connections.
▶ Lifting should be performed by 2 people, observing all
precautions for safe lifting of heavy objects.
▶ Do not lift by the top case panel. There are two
handling holes in the inner casing left and right in the
lower section of the appliance.
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C
2
Do not lift by the
top case panel
Fig. 26 Hang the boiler
3. Lower the control panel into the service position by releasing the
white catch on the retaining bracket.
4. Make connections to the heating system.
▶ Connect the gas supply to the boiler gas cock 22mm compression
fitting.
A
Fig. 27 Connections
INSTALLATION
Handling hole
(both sides)
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B C
21