Kelvinator KSE362HPCA Installation Manual page 9

Installation
Precautions before installing
1. Decide the correct way to transport the hot water system.
2. Transport the hot water system in its original packaging
to avoid damage.
3. Ensure the heat pump is kept upright at all times,
including during transportation.
NOTE: Please confirm the mounting fixtures are strong enough
and mounted firmly if the heat pump unit is to be installed on
an external wall. If leakage of water from the hot water system
has potential to cause property damage, a properly drained safe
tray is to be installed under the heat pump and/or storage tank.
Frost protection
This hot water system can operate in frosty conditions down
to -7C when the following important installation requirements
are followed:
Ensure adequate insulation is installed on all exposed
connections, pipe work and hoses (minimum thickness 20mm).
The heat pump must be installed on continuous only power
supply so that power is available at all times in order for the
frost protection mechanism to operate.
The inlet valves and storage tank should be installed inside
if possible.
The relief valve piping must be installed in a frost free
environment in order to remain open to atmosphere at all times.
Electric heater tape is recommended to be installed
underneath piping insulation in extreme frost areas.
Water quality
Water quality can vary in different locations and affect the
performance and safe operation of the hot water system.
If the water supply is not within the acceptable limits as
indicated below, the hot water system should not be
installed, and may not be covered by the Electrolux warranty.
A suitable solution is to implement a water pre-treatment
process to bring the water quality to within acceptable limits
to support the installation.
The saturation index (SI) is a measure of the corrosive or
scaling properties of the water supply. Corrosive water (SI<-
1.0) can corrode copper components. In these conditions
warranty will not apply. Scaling water (SI>0.5) can cause
build up of CaCO3 (Calcium carbonate) which can impact
to the correct operation of moving parts within the system,
including the temperature and pressure relief valve. In these
conditions warranty may not apply.
Total Dissolved Solids (TDS) and water hardness can also
impact the life of the hot water system, and warranty does
not apply outside the following limits:
• TDS exceeding 600 p.p.m
• Electrical conductivity exceeding 850us/cm
• Total hardness exceeding 200 p.p.m
• Chloride exceeding 250 p.p.m
• Magnesium exceeding 10 p.p.m
• Sodium exceeding 150 p.p.m
• Acidity/Alkalinity must also be within the limits of
pH 6.5 - 8.5
If this hot water system is installed in a regional location
where regular flushing is required due to sediment build up,
then a drain cock for flushing must be fitted at the time of
installation. If in doubt, consult your plumber.
Placing of heat pump and storage tank
The heat pump and storage tank must be installed on a level
surface and checked with a spirit level. The storage tank in
particular must be level to ensure the correct positioning
of the anode inside the tank and to prevent premature
breakage. Level installation will also ensure that hot water
is drawn from the top of the tank and will assist air being
dispelled during commissioning.
Heat pump placement and fixing
The heat pump may be installed mounted to a wall on a
bracket or on the ground. It must be fixed securely in place
and the rubber feet provided with the heat pump are to be
placed on the heat pump's footings to dampen vibration.
Ensure that the mounting location is capable of handling
the full weight of the system and its components when filled
with water, refer specifications tables on pages 4 to 5 for full
weight details. If installing in a cyclone prone area, ensure
that the fixing methods are appropriate.
Water may leak from the heat pump due to condensation
and this is part of normal operation. A drain elbow has been
provided with the heat pump and shall be installed, along
with a drain hose, if necessary. If the hot water system is
positioned where leakage could cause property damage,
install suitable drained safe-trays where appropriate.
Connections and piping of the hot water system
Connections on the heat pump and the storage tank are
all 3/4".
Storage tank inlet connections
An isolating and non return valve must be installed on the
inlet to the hot water system. If the supply pressure may
exceed 600kPa, a pressure limiting valve must also be
installed on the inlet piping. A pressure relief valve may also
need to be installed on the inlet to the hot water system
under local plumbing requirements.
cold inlet cold water
expansion
pressure
isolating
limiting control valve
and non
(700kPa)
valve
return
(600kPa)
valve
Kelvinator heat pump hot water system installation 9
under heat pump:
drain assembly
(viewed from back
of unit)
inlet
flow
drain