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- location in relation to remaining
system
components
auxiliary and solar heating system
- frost protection
The heat pump cylinder range is
designed
to
be
vertically mounted, indoors and in a
frost free environment. The cylinder
may be located on any flat and level
surface,
provided
robust to support the weight of the
cylinder when full of water (please see
technical data) and suitably accessible
for replacement/maintenance without
specialist tools or lifting equipment as
this will void the warranty conditions.
The position and orientation of the
cylinder should be such that easy
access is provided for servicing the
controls.
A
minimum
400mm in front of the immersion is
recommended,
replacement of the immersion heater
should the need arise. When installing
the cylinder all labels should be clearly
visible and ensure that no pipework
hinders any work to be carried out on
the various cylinder components.
Particular care must be taken when
placing the cylinder in a garage or
outbuilding. All exposed pipe work
must be correctly insulated to avoid
frost damage.
such
as
floor
standing,
it
is
sufficiently
distance
of
to
allow
the
Pre-Installation
4.3 Cold water supply
For satisfactory and safe performance
of the unvented cylinder the water
supply
must
meet
criteria:
Minimum dynamic
pressure
Maximum inlet supply
pressure
Minimum flow rate
Max. chlorine content
Max. water hardness
The following instructions have to be
followed
when
installing
water mains supply to the cylinder:
- The
cold
water
cylinder must come directly from
the cold water mains after the
mains stop valve to the property.
- The cold water inlet pipe work
should have at least an inside
diameter of 19mm and should meet
the
requirements
regulations
for
wholesome water.
4.4 Building regulation G3
Discharge
requirements
As
part
of
the
Building Regulation G3 any discharge
from an unvented system should be
conveyed to where it is visible, but
will not cause danger to persons in or
about the building. The tundish and
the discharge pipes should be fitted in
accordance with the requirements of
Building
Regulation
document G3, (England and Wales),
Part
P
of
Northern
Standard 4.9 of Scotland.
the
following
150 kPa
(1.5 bar)
1200 kPa
(12 bar)
15 l/min
250mg/L
200mg/L
the
cold
supply
to
the
of
the
water
the
supply
of
requirements
of
approved
Ireland
and
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