INDIRECT SYSTEMS
POSSIBLE CAUSE
SOLUTION
Heated water
loss
Leaking water pipes
Check regularly for leaks and repair
PROBLEM
Inoperative
electric heater
Power supply or booster switch off
Switch on power or booster switch
Blown fuse
Replace fuse
Tripped circuit breaker
Switch on the breaker
Thermostat failure
Replace the thermostat
Low thermostat setting
Adjust the thermostat
Faulty electric element
Check element circuit continuity and
replace the element if faulty
22
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
Summary of Contents for ULTRASUN UFS
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