Fining The Appliance / Boiler Connections - Worcester GREENSTAR 25CDi GC Instruction Manual

Do not lilt by the
top case panel.
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FITTI NG TH E APPLIANCE
BOILER CONNECTIONS
CAUTION: ISOLATE THE MAINS GAS
SUPPLY BEFORE STARTING ANY WORK
AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
GAS AND WATER CONNECTIONS;
.. System pipes may be run vertically upwards
behind the boiler or below it. See Plumbing
Manifold Section on page 15.
A . CH flow (22 mm),
B • CH return (22 mm),
C - Gas inlet (22 mm).
o .
DHW outlet
(15
mm)
E· Mains water inlet
(15
mm),
.. 1. Fit sealing washers to service valves
before hanging boiler.
.. Remove dust caps from connections on
boiler.
IMPORTANT: Before hanging the boiler
the wall mounting plate ensure that the
sure relief valve connection is in the
position. This is located on the right hand
of the wall frame at the rear.
.. 2. Pull the extended tabJlever forward and
down until there is no further travel.
.. 3. Hang the boiler on to the hanging brack·
et. The lugs pass through the rectangular
holes in the boiler back panel.
Take care not to disturb the washers on the
connections.
NOTE: It is recommended that this lifting
22mm 15mm 22mm 15mm 22mm
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operation is carried out by 2 people,
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observing
all
precautions for the safe lifting
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of heavy objects.
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Do not lift by the top case panel. There are
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l' , two handling holes incorporated into the
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inner casing left and right in the lower sec'
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tion of the appliance.
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.. 4. Lower the control panel into the service
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position
by
removing the screw (X) from the ,
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retaining bracket.
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.. 5. Make connections to the heating system.
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.. Connect the gas supply to the boiler gas
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cock 22 mm compression.
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I .. Connect mains water in and DHW out.
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IMPORTANT: The pressure relief connector
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must be repositioned after the boiler has been
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correctly mounted to the wall mounting plate.
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.. 6. Push the lever on the pressure relief COn­
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nector UP until the stop on the inside of the
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handle is over the shoulder of the metal
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bracket to secure in place.
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INSI'ILLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR25COiJ30CDV37CDil42COi
~WORCESTER
FInING THE APPLIANCE
6720613700. (200611 I)
801Icto Group
BOILER CONNECTIONS