Pre-Commissioning Checks - Worcester GREENSTAR 12i Instruction Manual

A
1
A
A C
22mm 22mm
2
F
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System
8 716 115 167b (03/2009)
H
B
C
B
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
connected to the correct position on the
manifold.
A - Flow (22mm)
B - Return (22mm)
C - Gas inlet (22mm)
2 Check the gas type specified on the
identification plate (F) matches that of the
gas supply. Turn on the main gas supply,
check the gas pipework connections and
rectify any leaks.
NOTE: Do not use solvents, adhesive or
3 Check that the condensate pipe has been
connected to the preplumbing manifold
connector.
4 Check pressure relief drain pipe (H) is
correctly fitted and securely tightened.
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.
3
Preplumbing manifold
connector

PRE-COMMISSIONING CHECKS

lubricant when pushing the pipe
onto the rubber connector.
H
31