Rheem GAS BOOSTED SOLAR WATER HEATER User Manual download pdf (Page 29)

CONNECTIONS – PLUMBING

CONNECTION SIZES

• Hot water connection: RP¾/20.

• Cold water connection: RP¾/20.

• Tempered water connection: RP¾/20

• Solar hot (from collector) connection: DN15 compression fitting.

• Solar cold (to collector) connection: DN15 compression fitting.

• Temperature Pressure Relief valve connection: RP½/15.

• Gas connection: R¾/20.

All plumbing work must be carried out by a qualified person and in accordance with the National

Plumbing Standard AS/NZS 3500.4 and local authority requirements.

All gas work must be carried out by a qualified person and in accordance with the Australian Gas

Installations Standard AS 5601 and local authority requirements.

It is necessary to remove the pipe cover from underneath the gas booster, by undoing the retaining

screws, in order to make the water and gas connections to the water heater. Refit the pipe cover at the

completion of the installation.

WATER INLET AND OUTLETS

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.

An isolation valve and non return valve must be

installed on the cold water line to the water heater. Use

the arrangement shown in the diagram. Refer also to

“Hot Water Delivery” on page 21. The plumbing

arrangements for the cold water inlet, tempered water

and hot water outlets are shown on page 29. The solar

hot and solar cold pipe connections are shown on

page 32.

A disconnection union must always be provided at the

cold water inlet, tempered water and hot water outlets

on the water heater to allow for disconnection of the

water heater. It is necessary to remove the brass plug

from the hot water outlet fitting if a hot water line is to

be installed. This plug can be used to plug the

tempered water outlet if a tempered water line is not

being installed. Refer to the diagram for the connection

points to the water heater.

Insulation used on the tempered water and hot water

lines must extend up to the outlets of the water heater.

The valve and fittings must also be insulated up to the

hot water outlet of the gas booster.

cold water

inlet

tempered

water outlet

hot water

outlet

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Rheem GAS BOOSTED SOLAR WATER HEATER User Manual Page 29

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