Fault Finding (Chart 2) - Rheem 52S160 Service Instructions Manual

Fault Finding (Chart 2)

2
Are the collectors facing
within 45º of north?
YES
Are there trees or
buildings shading the
collectors at any
time of the day?
NO
Are the collectors dipping
in the centre?
NO
The ideal collector inclination
is equal to the local latitude.
The minimum collector
inclination for the system to
operate is 10º.
Is collector glass
broken or dirty?
NO
Is the surface coating on
the collector absorber
plate deteriorating?
NO
Does the hot pipe have a
continuous rise to the
tank?
TM005 Rheem Solar Hiline Service Instructions REV D
D.O.I 20/02/2009
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NO
YES
Dipping of the collectors can
create an air lock or heat trap
YES preventing thermosiphoning.
This may be due to
insufficient roof strength
Are the collectors lying
too flat?
NO
YES
YES
NO
YES
17
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled".
Collectors not in optimum position.
Discuss options with client:
- Reinstall on a side pitch roof stand
- Relocate to a northerly aspect.
- Add an extra collector
- Accept reduced solar gain.
Advise customer to prune trees if
possible or reposition heater and
collectors to shade free location.
Advise customer to have roof
strengthened or pack up the collectors
to eliminate air lock or heat trap.
Reposition heater and collectors
YES
onto a flat roof stand.
Clean glass or replace collector.
Replace collector.
Refit the hot pipe with a continuous
rise to the tank.
2.1