CONNECTIONS PLUMBING
34
SOLAR INLET AND OUTLET
All pipe work must be cleared of foreign matter before connection and purged before attempting to operate the
water heater. All olive compression fittings must use brass or copper olives. Use an approved thread sealant
such as Teflon tape on all fittings.
The solar cold outlet and solar hot inlet connections are located at the top of the solar storage tank.
Notes:
It is important not to cross connect the solar hot and solar cold pipes to the incorrect connections.
The solar cold pipe connects to the bottom of the solar collectors and the solar hot pipe connects to
the top of the solar collectors on the opposite side to both the solar cold pipe connection and the hot
sensor connection.
The solar hot inlet connection is located in the centre of the top of the solar storage tank (the
connection is marked by a label on top of the storage tank).
The solar cold outlet connection is located toward the outer edge of the top of the solar storage tank
(the connection is marked by a label on top of the storage tank).
Connect the solar pipes to the solar storage tank using only the fittings supplied.
To connect the solar hot and solar cold pipes to the solar storage tank:
Remove the compression nut and olive from the
solar hot inlet fitting at the top of the solar
storage tank. Remove the rubber washer from
the union and discard.
Remove the plastic cap from the solar cold outlet
pipe end at the top of the solar storage tank.
Fit the compression union supplied to the solar
cold outlet pipe end.
Connect the solar cold pipe (flow to the collector)
to the nipple in the solar cold outlet using the
compression nut and olive supplied.
Connect the solar hot pipe (flow from the
collector) to the nipple in the solar hot inlet using
the compression nut and olive supplied.
AUXILIARY PUMP
The maximum height of the solar installation from the base of the solar storage tank to the top of the solar
collectors is 9 m. The pump supplied with the solar storage tank will not circulate closed circuit fluid through
heights greater than 9 m and solar gain will not be achieved.
For heights greater than 9 m, an auxiliary pump (kit PN 299914) must be installed. The installation of an
auxiliary pump will enable a maximum height of 18 m to be achieved. Refer to “Auxiliary Pump” on page 37.
PLASTIC CAP
(REMOVE &
DISCARD)
RUBBER WASHER
(REMOVE & DISCARD)
COMPRESSION
UNION
COMPRESSION NUTS & OLIVES
SOLAR HOT PIPE
CONNECTION
SOLAR COLD PIPE
CONNECTION
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