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7
COMMISSIONING, INSPECTION AND MAINTENANCE REPORT
We recommend conducting the first inspection and
maintenance after about 500 operating hours, and then
at intervals of 2 – 3 years.
Owner:
Tab. 9
Commissioning, inspection and maintenance tasks
Date:
General commissioning
1.
Flow and return pipes connected and earthed?
2.
Pressure test carried out?
3.
Air vent closed?
4.
Inlet pressure of the expansion vessel checked?
5.
Solar system verified to be free of air?
6.
pH value of heat transfer fluid checked? Replace heat
transfer fluid if value is ≤ 7 (heat transfer fluid coloured
brown, strong odour).
7.
Frost protection to _______ °C checked and analysed?
Frost protection ensured until ________ (month/year)
(please check frost protection every two years!)
Solar heating circuit
1.
Measure operating pressure when system is cold, and
enter the result here. System temperature on blue
thermometer?
2.
Volumetric flow rate checked when the system is cold and
result entered here?
Solar pump setting (1/2/3)?
3.
Gravity brakes ready to operate (closed)?
4.
Thermostatic DHW blending valve functioning correctly
(if installed)?
Collector array
1.
Visual inspection of collectors carried out?
2.
Collector temperature sensor correctly positioned and
pushed into the sensor well until it bottoms out, and
secured with screw fitting?
3.
Visual inspection of the mounting structure carried out?
4.
Visual inspection for leaks carried out at points where
mounting structure meets roofing?
5.
Visual inspection of pipe insulation carried out?
6.
Flushing of collectors carried out (when needed) without
cleaning additives?
Solar storage tank
1.
Maintenance on solar cylinder carried out?
Tab. 10
6 720 643 603 (2011/11)
1)
COMMISSIONING, INSPECTION AND MAINTENANCE REPORT
B Fill out the report and tick off the tasks performed.
Site location:
Commis-
Page
sioning
9
17, 15
16
12
______ bar
18
–
17
_____ °C
17, 16
______ bar
______ °C
17
___ l/min
17
2)
3)
2)
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Inspection/maintenance
1.
2.
3.
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
_____ °C
_____ °C
_____ °C
______ bar
______ bar
______ bar
______ °C
______ °C
______ °C
___ l/min
___ l/min
___ l/min
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19
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