Installation Manual

17Instructions for installation and servicing ecoTEC plus 0020020828_07
3.18.5 Filling a sealed water system
Provision for filling the system at low level must be
made. This can be achieved by the use of a proprietary
filling loop.
3 litres (o.66 gals) make-up bottle (if required)
flow control valve 'A' air release point
filling point
circulating pump
pressure
gauge
expansion vesselboiler drain cock
make-up alternatives
flow
return
flow control valve 'A'
auto air vent
non-return
valve
heating
circuit
automatic
bypass
valve 'B'
safety valve
Fig. 3.10 Typical installation
General requirements 3