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Service check list
Collector inspection
- Visual collector inspection
- Visual inspection of the collector fixings
- Visual inspection for potential leaks in the roof
- Visual inspection of the thermal insulation on pipework
Solar heating circuit
- Visual inspection for potential leaks in the solar circuit (joints)
- Colour check of the ANRO heat transfer medium
- pH value test of the ANRO heat transfer medium only in case
the medium has turned brown; poss. replacement
- Frost protection level of the heat transfer medium checked
- Safety valve tested
- Solar expansion vessel pre-charge pressure tested
(for this, shut off the expansion vessel)
- In case of noisy pumps or system pressure fluctuations
vent the system; for this, block the gravity brake
- System pressure in a cold system state (at 17 m system head) 3 bar.
- Reactivate the gravity brake
Solar cylinder and DHW circuit
- Protective anode inspection
- Checking for scale build-up in the cylinder and on the thermostatic
mixing valve; poss. carry out de-scaling
- Checking the anti-scalding protection
(thermostatic mixing valve or via the maximum cylinder temperature limit)
Control systems
- Checking control parameters and display values for plausibility
- Solar circuit pump running and circulates
(poss. adjustment and checking on the flow meter)
- Temperature of boiler boosting tested
- Option: DHW circulation pump runtime checked
3062815_0110
21. Service check list
Date:
Date:
O
O
O
O
O
O
O
O
O
O
O
O
pH_____
pH_____
_____°C
_____°C
O
O
_____bar
_____bar
O
O
_____bar
_____bar
O
O
O
O
O
O
O
O
O
O
_____l/min
_____l/min
_____°C
_____°C
O
O
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