![Glow-worm Space Saver K.F.B 60 Скачать руководство пользователя страница 8](http://html1.mh-extra.com/html/glow-worm/space-saver-k-f-b-60/space-saver-k-f-b-60_installation-and-servicing-instructions_2234552008.webp)
Supplied By www.heating spares.co Tel. 0161 620 6677
8
220692C
8
SECTION
Water Sysems (Open Vented)
1
2886
Open (vented) system.
Recommended
relationship between
pump, cold feed and
vent.
UNRESTRICTED
CONTINUOUSLY
22mm (MIN) VENT
FEED AND
EXPANSION
CISTERN
15mm (MINIMUM)
UNRESTRICTED
COLD FEED
22mm (MINIMUM)
BY-PASS WITH
LOCKSHIELD VALVE
450mm
MIN.
HEIGHT
1metre MIN.
27.5metres MAX.
BOILER
PUMP
150mm
MAX
FLOW
RET.
RET.
CYLINDER
FLOW
HEATING
Open (Vented) Water
System
For an open (vented) system the boiler
must be supplied from an unrestricted
water supply taken from a feed and
expansion cistern situated at a
maximum height of 27.5 metres (90ft)
above the boiler.
The cold feed supply must be 15mm
minimum size.
The vent must rise continuously and be
unrestricted.
It is important that the relative positions
of the pump, cold feed and open vent
are as shown.
Domestic Hot Water
Cylinder
The hot water cylinder must be of the
double feed fully indirect type. Not the
self priming type.