27
16. DESCRIPTION OF PROCEDURES FOR ANNUAL PREVENTION CHECKS
Warning:
Prevention examination and eventual
intervention may be carried out by a quali
fi
ed
person only. Any work on electric wiring may
be done by an authorized electrician. Maximum
care shall be taken during checks. In case the
procedure requires a person to get on a roof, a fall arrest
is necessary.
Check procedures
Year 1 Year 2 Year 3 Year 4 Year 5 Year 6
Check the pressure in expansion vessel, replenish if necessary
Check system visually for leaks
Check the collector glazing cleanness, wash if necessary
Check ambient trees for possible shading
Check
pipe
insulation
Check the proper
fl
ow
rate
Check
temperature
probes
Check the quality of antifreeze liquid (with a refractometer)*
Check the heat carrier pressure, replenish if necessary
Check the controller settings
Check for possible error messages in the controller and their reason
Check
wiring
Check backup heating function (el. heating rod, gas-
fi
red boiler)
Check the magnesium anode rod in the tank, substitute if necessary
(see
Instruction
Manual)
Check the function of all system valves and
fi
ttings
Check the collector fastening
If needed, check the pressure in the heating system expansion vessel
If needed, clean the
fi
lter and de-aerate the heating system
Preventive training in system maintenance and controller setting
for the operating staff
*If the test result shows the necessity, fi ll new heat carrier.
Summary of Contents for KPG1-ALC
Page 1: ...1 1 Solar System with KPG1 ALC Collectors EN v 1 4 Installation and Operation Manual...
Page 26: ...26 84 70 6 1 1 2151 2010 70 1212 1170 21 21 22 15 CONNECTION DIMENSIONS...
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