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Pre-Installation
HP Installatio
n and User Instructions R00918
-10 09/15
Page
14
- frost protection
The heat pump cylinder range is
designed to be floor standing, vertically
mounted, indoors and in a frost free
environment. The cylinder may be
located on any flat and level surface,
provided it is sufficiently 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 distance of
400mm in front of the immersion is
recommended, to allow the
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.
CLEANING INSTRUCTIONS:
Clean outer cladding of
cylinder with a soft cloth
dampened with warm water
only. Do not use abrasive or
aggressive cleaning
materials, such as alcohol or
petroleum based solvents, as
this may damage the surface
of the product.
3.3 Cold water supply
For satisfactory and safe performance
of the unvented cylinder the water
supply must meet the following
criteria:
Minimum dynamic
pressure
150 kPa
(1.5 bar)
Maximum inlet supply
pressure
1200 kPa
(12 bar)
Minimum flow rate
15 l/min
Max. chlorine content
250mg/L
Max. water hardness
200mg/L
The following instructions have to be
followed when installing the cold water
mains supply to the cylinder:
- The cold water supply to the 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 of the water
regulations for the supply of
wholesome water.
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