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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH
27
PRE-COMMISIONING CHECKS
8-716-106-252a (03.05)
PRE-COMMISIONING CHECKS
CAUTION: ISOLATE THE MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
1 Check that the service and water pipes are
connected to the correct valves.
Check that all unused sockets are capped off.
2 Check that the oil supply is 28 sec Kerosene
and that the pipework is connected correctly to
the oil pump.
Turn on the main oil supply valve at the tank
and check the oil supply pipework, connections
and rectify any leaks.
3 Check the flue is correctly fitted and the
connections are secure.
4 Check the condensate pipework is correctly
fitted and connected.
Check the condensate trap is filled with water.
5 Check the CH circulating pump is set to 3.
NOTE: The CH circulating pump is preset to number
'3' and should not be altered. The diagram opposite
shows the pump output.
IMPORTANT: If the boiler is not to be
commissioned immediately then:
After successfully completing all of the
checks and any rectification work, close the
water valves, shut off the oil supply and
electrically isolate the boiler.
Complete the installation part of the
Guarantee Registration Card.
1
2
3
4
5
200
0
0
Bar
Litres per hour
0.6
0.5
0.4
0.3
0.2
0.1
400
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