56
Maintenance report
AURON
solar system owned and operated by:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
(name, address, user's telephone number)
Site location:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup date:
. . . . . . . . . . . . . .
Last maintenance on:
. . . . . . . . . . . . .
O.K.
Deficiencies
Corrected on
Interview the system operator regarding
proper system operation.
Storage cylinder heats up when sun shines
Collector is cold at night
Solar circuit
Vent the system
Blow-off fluid in container
System pressure: . . . . . . . bar at . . . . . . . . °C
Air in the system? Rushing noise in the pump?
Volumetric flow in the solar circuit . . . . . . . . . . . . . l/min
Circling pump operates properly at all ratings
Visually inspect piping and fittings (leaks)
Visually inspect heat transfer fluid
Check anti-siphon valve: open and close
Heat transfer fluid
Visually inspect and conduct smell test
product specific
pungent
clear strong dark
yellow
brown
new ok replace
Solar storage vessel
Solar controller
Solar circuit pump operation: ON (automatic) / Manual / OFF
Temperature sensor readings
Check controller setting
Circulation: pump operation; settings
Backup heating using boiler: reaches selected operating temperature
Solar collector
Visual inspection of collector
Collector tie-downs tight and storm proof/in-roof: flashing sealed tight
Visually inspect for deviations, damage, defects
Leaky collector
O.K.
considerably aged –
replace
-
Colour clear/yellow
brown
Appearance clear
cloudy
Odour minimal
pungent
PH
> 7,5
< 7 . . . . . . . . . .
Freeze protection
-28
℃
less than -25° C . . . . . . . . .
Freeze protection tester indi-
cation
-23
℃
less than -25° C . . . . . . . . .
Values
The following corrective action is required:
Signed by:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . .
Service technician
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . .
System operator
Date:
. . . . . . . . . . . . . .
. . .
