Rheem Water Heater - Manual (Page 66)

COMMISSIONING
66
tank and remove the valve (refer to step 6 ) .
18. Add water to top up the level of the closed circuit fluid in the heat
exchanger if required.
To add water to the closed circuit fluid:
ƒ
If not already removed, disconnect the drain line and remove the
spring clip from the solar circuit relief valve at the top of the solar
storage
War
when r
ning:
emo so t rel as n d of
rise po be ce disc ill
ƒ
ƒ
n the solar storage tank.
ƒ
ƒ
The solar circuit may be under pressure. Take care
ving the lar circui ief valve, a sudde ischarge
pressu d hot va ur may experien d. This harge w
create a sharp sound of vapour being released.
Place a funnel in the relief valve fitting.
Add water slowly through the funnel until the level of fluid in the hose
is at the desired level as marked o
Note: It may be necessary to undo the compression nut on the solar
hot pipe at the top of the solar storage tank and loosen the pipe work
from the fitting to assist the flow of water into the closed circuit
through the funnel.
Remove the funnel from the relief valve fitting.
Position the solar hot pipe correctly in its fitting and tighten the
compression nut if this has been loosened.