43
3062815_0110
Service check list
Date:
Date:
Collector inspection
- Visual collector inspection
O
O
- Visual inspection of the collector fixings
O
O
- Visual inspection for potential leaks in the roof
O
O
- Visual inspection of the thermal insulation on pipework
O
O
Solar heating circuit
- Visual inspection for potential leaks in the solar circuit (joints)
O
O
- Colour check of the ANRO heat transfer medium
O
O
- pH value test of the ANRO heat transfer medium only in case
the medium has turned brown; poss. replacement
pH_____
pH_____
- Frost protection level of the heat transfer medium checked
_____°C
_____°C
- Safety valve tested
O
O
- Solar expansion vessel pre-charge pressure tested
(for this, shut off the expansion vessel)
_____bar
_____bar
- In case of noisy pumps or system pressure fluctuations
vent the system; for this, block the gravity brake
O
O
- System pressure in a cold system state (at 17 m system head) 3 bar.
_____bar
_____bar
- Reactivate the gravity brake
O
O
Solar cylinder and DHW circuit
- Protective anode inspection
O
O
- Checking for scale build-up in the cylinder and on the thermostatic
mixing valve; poss. carry out de-scaling
O
O
- Checking the anti-scalding protection
(thermostatic mixing valve or via the maximum cylinder temperature limit)
O
O
Control systems
- Checking control parameters and display values for plausibility
O
O
- Solar circuit pump running and circulates
(poss. adjustment and checking on the flow meter)
_____l/min
_____l/min
- Temperature of boiler boosting tested
_____°C
_____°C
- Option: DHW circulation pump runtime checked
O
O
21. Service check list
