Bosch WORCESTER GREENSTAR 37CDi - FITTING THE APPLIANCE; BOILER CONNECTIONS

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~ORCESTER
Bosch Group
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 25CDV30CDV37CDci42CD•
6 720 613 700a(2006/ll)
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:
~ 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),
D- 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 o
the wall mounting plate ensure that the pres
sure relief valve connection is in the D
position. This is
located on the right hand
of the wall frame at the rear.
~ 2. Pull the extended tab/lever 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
operation
is carried out by 2 people,
observing
all precautions for the safe lifting
of heavy objects.
Do not lift by the top case panel. There are
two handling holes incorporated into the
inner casing left and right in the lower sec-
tion
of the appliance.
~ 4. Lower the control panel into the service
position by removing the screw (X) from the
retaining bracket.
~ 5. Make connections to the heating system.
~ Connect the gas supply to the boiler gas
cock 22 mm compression.
~ Connect mains water in and DHW out.
IMPORTANT:
The pressure relief connector
must be repositioned after the boiler has been
correctly mounted to the wall mounting plate.
~ 6. Push the lever on the pressure relief con-
nector UP until the stop on the inside of the
handle is over the shoulder of the metal
bracket to secure in place.
FITTING THE APPLIANCE
BOILER CONNECTIONS