Worcester GREENSTAR 12i Instruction Manual page 69

1
1
A C
22mm 22mm
2
F
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System
8 716 115 167b (03/2009)
A
D
A
C
B
D
D B
15mm 22mm
Condensate pipe
PRE-COMMISSIONING
B
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
2 Check the gas type specified on the
3 Check that the condensate pipe has been
4 Check pressure relief drain pipe (H) is
H
IMPORTANT: If the boiler is not to be
commissioned immediately then:
after successfully 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.
NOW R ETU R N TO TH E MAIN
I N STR UC TION S
( F I LLI NG TH E SYSTE M ) TO
CONTINUE INSTALLATION.
3
Preplumbing manifold
connector
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.
correctly fitted and securely tightened.
PAG E
4
PRE- COMMISSIONING CHECKS
32
H
31