DAYLIFF ULTRASUN UFD, Installation & Operating Manual

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8
Periodically, recommended every three months a general inspection should be made
and the following items checked:-
l
Collector condition, leaking unions, dirty or broken glass, damaged water seals.
l
Tank condition including casing damage, piping leaks and valve operation.
l
Electric heater power connections.
l
Replace worn out magnesium anode periodically.
l
Booster pump and pressure tank settings (if applicable).
l
Check shading of collectors
Once a year, it is recommended to flush the collectors to remove any settled
sediments that may affect the thermosyphon flow.
9. TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Insufficient
hot water
High hot water usage at night
Rotation use or replace with a larger
system
Prevailing weather conditions
Incorporate complimentary electric
heater to be used when irradiation
is low
Non-operation of electric booster Replace the electric heater
Air locks in the collectors
Ensure tank connections are higher
than collectors connection
Slow leaks by system or pipe work
Pressure test the pipes
Visually inspect for leaks. Raise top
right hand corner on the system
Blockage in the connection pipes
Unblock then pipes
Collectors blocked with sediments
Flush collectors with clean water to
clear the sediments
Replace the blocked pipes
Incorporate a filter in the pipework
DIRECT SYSTEMS