Commissioning; Pre-Commissioning Checks - Bosch WORCESTER GREENSTAR Ri ErP Series Installation, Commissioning And Servicing Instructions

COMMISSIONING

EXTERNAL WIRING CENTRE
System components wired into terminal strip in accordance with system
manufacturers instructions.
230V
MAINS SUPPLY
L N E
L N E SW
Wiring Centre/Junction Box
Fig. 36 External wiring centre
Refit electric control panel covers:
▶ Refit panel and secure with screws.
6 COMMISSIONING
6.1

PRE-COMMISSIONING CHECKS

WARNING: ELECTRIC SHOCK
▶ ISOLATE THE MAINS SUPPLIES BEFORE STARTING
ANY WORK AND OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS
▶ Check that the gas service pipe and water pipes are connected to the
correct position on the manifold.
1. Gas inlet (22mm)
2. Flow (22mm)
3. Return (22mm)
1
Fig. 37
▶ Check the gas type specified on the identification plate (1) matches
that of the gas supply.
30
ST1 ST2
L N L N L
P P R
L
N
E
*
External Pump
90W max
3
2
Fig. 38 Data plate location
▶ Turn on the main gas supply, check the gas pipe work, connections
and rectify any leaks.
NOTICE: Do not use solvents, adhesive or lubricant
when pushing the pipe onto the rubber connector.
▶ Check that the condensate pipe has been connected to the syphon.
▶ Ensure that the condensate pipe has been inserted at least 25mm into
the elbow
25mm
Fig. 39 Condensate connection
If the boiler is not to be commissioned immediately then,
after successfully completing all of the checks and any
rectification work, shut off the gas and water supply and
electrically isolate the boiler.
Greenstar Ri
1
6720644744-29.1Wo
ErP - 6 720 813 283 (2016/07)