TM005 Rheem Solar Hiline Service Instructions REV D
D.O.I 20/02/2009
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18
Fault Finding (Chart 2.1)
2.1
Is the hot pipe
insulation missing or
in poor condition?
Replace insulation.
YES
Is the leak, discharge
from the T&PR valve?
Are there any water
leaks around the
collectors or cylinder?
Rectify leaks at connectors or
fittings. Replace collector or
tank if leaking.
NO
YES
NO
3.1
YES
Are the dip tubes and
diffusers fitted and in
the correct positions?
Replace or reposition dip
tube/s or diffuser correctly.
NO
NO
Isolate water supply and
disconnect the cold pipe from the
collector, restore water supply.
Warning:
Water under pressure and at temperatures up
to 150
o
C may be present in the system. Isolate
water supply and relieve pressure through a
hot tap prior to removing any pipe work.
YES
The tank temperature will need
to be below 55
o
C for this test.
Does water flow freely
from the pipe?
Replace the sunstat valve.
NO
Isolate water supply, reconnect cold
pipe, disconnect hot pipe from the tank
restore water supply.
Does water flow freely
from the pipe?
Blockage in collectors or hot
pipe. Replace collector or
clear blockage from pipe.
NO
YES
Is the daily water
usage exceeding the
solar heating capacity?
Is usage time not suitable to
hours when solar gain is the
greatest? ie. Morning usage
with west facing collectors.
Reposition heater and collectors
to northerly aspect or advice
customer that boosting will be
required more often.
NO
YES
YES
Advise customer that boosting
will be required more often
during winter months.
Is the problem only
evident during winter?
NO
YES
3
Advise customer on usage
pattern that will suit.
NO
YES
