Commissioning; Pre-Commissioning Checks; Filling The System - Worcester 29CDi Classic Installation, Commissioning And Servicing Instructions

5

COMMISSIONING

5.1

PRE-COMMISSIONING 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 - CH flow (22mm)
B - CH return (22mm)
C - Gas inlet (22mm)
D - DHW outlet (15mm)
E - Cold water inlet (15mm)
1.
A D C
22mm 15mm 22mm
Fig. 44
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
pipe work, connections and rectify any leaks.
2.
F
Fig. 45
6 720 815 725 (2015/05)
E B
15mm 22mm
3. Check that the pressure relief connector, located on the right hand
side at the bottom of the wall frame, is in the up position.
3.
Stop in
locked
position
Fig. 46
4. Check that the condensate pipe has been connected to the adaptor.
4.
Fig. 47
NOTICE: 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 and electrically
isolate the boiler.
5.2

FILLING THE SYSTEM

▶ Ensure all system and boiler drain points are closed.
▶ Remove the bottom panel (if fitted).
▶ Open the isolating valves on both the cold water inlet and CH return
connections.
▶ To fill the system from the cold water inlet pull down the lever [1].
Fig. 48 Start filling the system
COMMISSIONING
6 720 812 176-11.1O
6 720 812 176-12.1O
31