Rheem GAS BOOSTED SOLAR WATER HEATER Specifications download pdf (Page 57)

DRAINING THE SOLAR COLLECTORS

To drain the solar collectors and the solar hot and solar cold pipes:

Cover the solar collectors with an opaque material.

Open a hot water tap and allow the water to run for five minutes immediately prior to draining the solar

collectors.

This will assist in the transfer of any high temperature water in the solar collectors to the solar storage

tank.

Close the hot water tap.

Turn off the water heater (refer to “To Turn Off the Water Heater” on page 51).

Using a flat bladed screw driver, open the bleed valve fitted adjacent to the solar hot water inlet of the

water heater (refer to diagram on page 51).

Warning: Exercise care, as water discharged from the solar collectors may be of a very high

temperature.

Undo the compression fitting at the side of the air duct of the solar storage tank and disconnect the solar

cold pipe.

Water will now drain from the solar collectors and the solar hot and solar cold pipes.

When water stops flowing from the solar hot and solar cold pipes, reconnect the solar cold pipe to the

solar storage tank and tighten the compression fitting.

Close the bleed valve.

DRAINING THE WATER HEATER

To drain the water heater:

Cover the solar collectors with an opaque material.

Open a hot water tap and allow the water to run for five minutes immediately prior to draining the solar

storage tank.

This will assist in the transfer of any high temperature water in the solar collectors to the solar storage

tank.

Close the hot water tap.

Turn off the water heater (refer to “To Turn Off The Water Heater” on page 51).

Operate the relief valve release lever - do not let the lever snap back or you will damage the valve seat.

Operating the lever will release the pressure in the water heater.

Attach a hose to the spout of the draincock. Let the other end of the hose go to a drain.

Open the draincock using the handle.

Warning: Exercise care, as water discharged from the solar storage tank may be of a very high

temperature.

Operate the relief valve again.

This will let air into the water heater and allow the water to drain through the hose.

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Rheem GAS BOOSTED SOLAR WATER HEATER Specifications Page 57