Bosch Worcester GREENSTAR 12i System Instruction Manual page 67

1
A
A
1
A C
22mm 22mm 15mm
2
F
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 12i System/24i System
8 716 107 375a (02/05)
D
B
D
C
D B
22mm
PRE-COMMISSIONING
CHECKS
B
CAUTION: ISOLATE THE MAINS
SUPPLIES BEFORE STARTING ANY
WORK AND OBSERVE ALL
RELEVANT SAFETY PRECAUTIONS
1 Check that the service and water pipes are
2 Check the gas type specified on the
3 Check that the condensate pipe has been
H
4 Check pressure relief drain pipe (H) is
connected to the correct position on the
manifold.
A - Flow (22mm)
B - CH Return (22mm)
C - Gas inlet (22mm)
D - Cylinder Return (15mm)
identification plate (F) matches that of the
gas supply. Turn on the main gas supply,
check the gas pipework, connections and
rectify any leaks.
connected to the syphon.
IMPORTANT: If the boiler is not to be
commissioned immediately then:
after sucessfully completing all of the
checks and any rectification work,
close the gas and water valves, shut off
the gas supply, electrically isolate the
boiler and label appropriately.
correctly fitted and securely tightened.
NOW R ETU R N TO TH E MAIN
I N STR UC TION S PAG E
( F I LLI NG TH E SYSTE M ) TO
CONTINUE INSTALLATION.
3
PRE- COMMISSIONING CHECKS
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