Plumbing Manifold; Connections; Flue Options - Worcester Greenstar i System ErP Series Installation, Commissioning And Servicing Instructions

4.8

Plumbing manifold

4.8.1

Connections

Further guidance on pipe routing can be found printed
on the appliance template (supplied with the appliance).
• For further ease of fitting, an optional Vertical Pre-piping Assembly
kit is available, comprising four pre-formed copper water pipes.
2
1
Fig. 18 Pipe dimensions external diverter valve/s and controls
From left
# Function case edge Diameter of pipe
1 Condensate 38mm
2 CH Flow 70mm
3 Gas 200mm
4 CH Return 330mm
5 Pressure Relief Valve 364mm
Table 14 Key to figure 18
Use the fittings supplied in the Hardware literature pack.
Fig. 19 Pipes within wall frame example
Optional integral diverter valve kit
▶ Details for pipe configuration can be found in the kit
Installation Instructions.
Greenstar i System - 6 720 806 945 (2015/07)
ErP
5
3 4
22mm rubber push fit connector
22mm compression fitting
22mm compression fittings
22mm compression fitting
15mm (fittings not supplied)
4.9

Flue options

CAUTION: Non accessible flue systems:
▶ Where a flue system is not going to be accessible,
provision must be made for service and inspection.
▶ Voids containing concealed flues must have at least
one inspection hatch no less than 300mm square.
▶ Flue joints within the void must not be more than 1.5
metres from the edge of the inspection hatch.
▶ Inspection hatches should be located at changes of
direction.
▶ If this is not possible, bends should be viewable from
both directions.
Refer to the manual supplied with the flue kit for
complete installation instructions.
Plume management kits are available for the 60/100
horizontal flue system.
▶ Only use the approved Worcester Condensfit II flue
system with this appliance.
Effective flue lengths:
▶ Each 90° bend used is equivalent to 2 metres of
straight flue.
▶ Each 45° bend used is equivalent to 1 metres of
straight flue.
Part number Flue
7 716 191 082 60/100 Telescopic horizontal flue assembly
7 716 191 171 60/100 Longer telescopic horizontal flue
7 733 600 048 60/100 Horizontal high level telescopic flue
7 719 003 702 80/125 Telescopic horizontal flue assembly
7 719 002 430 60/100 Vertical flue assembly
7 719 002 431 80/125 Vertical flue assembly
Table 15 Flue kit part numbers
Pre-installation
Description
assembly
kit
23