Kelvinator KCT27036A Installation Manual - page 10
10 installation Kelvinator heat pump hot water system
Heat pump connections
The heat pump can be installed up to 5 metres away from
the storage tank (only 1 meter of hose is supplied). If the
heat pump is to be installed further than 1m away, run hard
copper piping from the tank to a point near the heat pump.
Use the hoses supplied to connect from the heat pump to
the hard plumbing in order to dampen vibrations on the
circulating water piping from heat pump vibration. The
hoses and any additional piping between the heat pump and
storage tank must have 20mm thick insulation covering them
to maintain the efficiency of the system. The hoses supplied
in the heat pump connection kit KSEHPKA must be used and
old hoses are not to be re-used. Under no circumstances
should an isolation valve be installed on the hoses or
connections between the heat pump and the storage tank.
The circulating water inlet connection to the heat pump is to
be plumbed to the flow connection on the storage tank. The
circulating water outlet connection on the heat pump must
be plumbed to the return connection on the storage tank.
inlet
outlet
The 3/4" tee piece provided will need to be installed on the
storage tank’s return connection to allow the sensor pocket
to be installed and inserted into the storage tank along with
the heat pump outlet connection.
return
Storage tank outlet connections
This hot water system may deliver hot water between 47C to
60C during normal operation. Any pipes delivering hot water
to the premises are to be installed with sufficient piping
insulation to maintain the efficiency of the hot water system
and to prevent heat loss. It is recommended that a heat
trap be installed on the outlet piping of the storage tank to
minimize convective heat loss. The supplied tempering valve
must be installed in order to temper any water that travels to
fixtures primarily used for the purposes of personal hygiene
(e.g. bathroom or ensuite fixtures) down to 50°C as required
by AS/NZS 3500.4.
tempering
valve
outlet
uncontrolled
hot water outlet
(kitchen, laundry)
tempered (50°C)
hot water outlet
(bathrooms)
Relief valve piping
A 99°C/850kPa temperature and pressure relief valve comes
supplied with the storage tank and must be installed on
the relief valve connection near the top of the tank. The
drainage piping from the relief valve (and the one on the inlet
if installed) must have a constant downward fall and must
be plumbed to an outside drain. The outlet of the drainage
piping must be left open to the atmosphere at all times, and
installed in a frost free environment.
outlet
relief valve
Installation