Connections - Plumbing; Water Inlet And Outlet - Rheem Solar Loline Water Heater Owner's Manual And Installation Instructions

CONNECTION SIZES

Hot water connection: RP¾/20.

Cold water connection: RP¾/20.

Solar hot (from collector) connection: DN15 compression fitting.
(solar hot inlet to tank: RP¾/20)

Solar cold (to collector) connection: DN15 compression fitting.
(solar cold outlet from tank: RP¾/20)

Relief valve connection: RP½/15.

Bleed valve connection: G1.0B.
All plumbing work must be carried out by a qualified person and in accordance with the Plumbing Standard
AS/NZS 3500.4 and local authority requirements.
Note: The solar water heater should not be installed as part of a circulated hot water flow and return system
in a building. The benefits of solar gain will be significantly reduced and energy gained from the sun lost
through the pipe work. If a circulated flow and return system is required, it is necessary to bypass the solar
water heater and install a secondary water heater supplied from the solar water heater and connected to the
hot water flow and return line. Refer to

WATER 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.
An isolation valve and non return valve must be installed on the cold water line to the water heater. A non-
return valve must be fitted on the cold water supply to this water heater in compliance with Clause 5.9.1 of
AS/NZS 3500.4. Due to the higher temperatures generated by solar water heaters, an additional effective
back-flow prevention device also should be fitted as an extra safeguard. Valve manufacturer RMC
recommends Dual Check Valve No N7150, as being suitable for this application.
An acceptable arrangement is shown in the

page 23 and to "Mains Water Supply"

cold pipes are shown on page 30.
A disconnection union must always be provided at the cold water inlet, solar cold water outlet, solar hot
water inlet and hot water outlet on the water heater to allow for disconnection of the water heater.
CONNECTIONS – PLUMBING
"Circulated Hot Water Flow and Return System"
diagram
on page 22. The plumbing arrangements for the
OR


on page 35. Refer also to
35
on page 24.
"Hot Water Delivery" on
solar hot and solar