Rheem GAS BOOSTED SOLAR WATER HEATER Service Manual download pdf (Page 40)

CONNECTIONS – PLUMBING

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 thread sealing tape or

approved thread sealant 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 cold and solar hot 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 cold and solar hot 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 43.

PLASTIC CAP

(REMOVE &

DISCARD)

RUBBER WASHER

(REMOVE & DISCARD)

COMPRESSION

UNION

COMPRESSION NUTS & OLIVES

SOLAR HOT PIPE

CONNECTION

SOLAR COLD PIPE

CONNECTION

Solar Cold & Solar Hot Connections

Solar Drain Back Storage Tank

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Rheem GAS BOOSTED SOLAR WATER HEATER Service Manual Page 40

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