Draining The Solar Storage Tank - Rheem Premier Hiline Owner's Manual And Installation Instructions

DRAINING THE SOLAR STORAGE TANK

To drain the solar storage tank:
Cover the solar collectors to prevent solar radiation gain and the transfer of heat to the solar storage
tank.
Failure to do so may cause a safety issue.
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 heat from high temperature closed circuit fluid in the solar collectors
to the water in the solar storage tank.
Close the hot water tap.
Warning: Exercise care to avoid splashing of water, as water discharged from the solar storage tank may
be of a very high temperature.
Note: The water discharged from the solar storage tank may contain sediments and should be diverted away
from any rainwater tank connected to the roof.
Turn off the water heater (refer to
Close all hot water taps.
Operate the closed circuit pressure relief valve on the right side of the solar storage tank to relieve the
pressure from the closed circuit.
Warning: Relieved air or closed circuit fluid may be hot.
Operate the temperature pressure relief valve release lever on the left hand side of the solar storage
tank - do not let the lever snap back or you will damage the valve seat.
Operating the lever will release the pressure in the solar storage tank.
Undo the union at the cold water inlet to the solar storage tank and attach a hose.
Let the other end of the hose go to a drain.
Operate the relief valve again.
This will let air into the solar storage tank and allow the water to drain through the hose.
"To Turn Off the Water Heater"
48
on page 47).