Pre-Commissioning Checks - Worcester Gas boiler Installation Instructions Manual

6

PRE-COMMISSIONING CHECKS

NOTICE: If the boiler is not to be
commissioned immediately then:
B 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.
1. Check that the service and water pipes are connected
to the correct position on the manifold.
– A - Flow (22mm)
– B - CH Return (22mm)
– C - Gas inlet (22mm)
– D - Cylinder Return (15mm)
2. Check the gas type specified on the identification
plate matches that of the gas supply. Turn on the main
gas supply, check the gas pipework, connections and
rectify any leaks.
3. Check that the condensate pipe has been connected
to the syphon.
4. Check pressure relief drain pipe is correctly fitted and
securely tightened.
NOTICE:
B NOW RETURN TO THE I SYSTEM
INSTRUCTION MANUAL (FILLING THE
SYSTEM) TO CONTINUE INSTALLATION.
6 720 645 222a (2012/05)
PRE-COMMISSIONING CHECKS
15