Regulus KPG1H-ALC, Installation And Operation Manual

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16. DESCRIPTION OF PROCEDURES FOR ANNUAL PREVENTION CHECKS
Warning: Prevention examination and eventual
intervention may be carried out by a qualified
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 flow 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-fired boiler)
     
Check the magnesium anode rod in the tank, substitute if necessary
(see
Instruction Manual)
     
Check the function of all system valves and fittings
     
Check the collector fastening
     
If needed, check the pressure in the heating system expansion vessel
     
If needed, clean the filter 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, fill new heat carrier.