Commissioning Checklist - Wolf CFK-1 Installation, Operating And Maintenance Instructions

No. Installation
1 Collectors installed safely in case of storms
2 Solar line connected to the earthing system
3 Blow-off line permanently secured to the safety valve of the solar circuit
4 Drip container positioned below the blow-off line (solar circuit)
5 Blow-off line fitted to the safety valve and connected to the drain
6 Thermostatically controlled mixing valve installed at the DHW outlet or limiting the cylinder
temperature with the control unit to 60 °C
Commissioning
7 Expansion vessel pre-charge pressure (check prior to filling) ___________bar
8 Solar circuit filled and flushed with heat transfer medium
9 Pump, cylinder indirect coil and collector vented (block gravity brake for venting purposes)
10 Air vent trap on the collector vented (if installed)
11 Solar circuit pressure tested, incl. leak check on all threaded, solder and compression fittings
12 All joints (glands on shut-off valves and fill & drain valves) leak tested
13 System pressure (cold) _________bar
14 Gravity brake functions OK
16 DHW cylinder filled and vented on the DHW side
17 Shading of collectors removed
Control systems
18 Temperature sensors indicate realistic values
19 Solar circuit pump running and circulating the heat transfer medium; poss. adjusted
(flow meter: _________l/min)
20 Solar circuit and cylinder are getting warm
21 Boiler boosting starts at: ________°C
22 Option: DHW circulation pump runtime from ______ h to _____ h
Instructions: The system user has been instructed as follows:
23 Basic function and operation of the solar control unit incl. DHW circulation pump
24 Instruction in the inspection options of the protective cylinder anode
25 Service interval
26 Confirmation of commissioning by the system user
27 Handover of documents
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19. Commissioning checklist

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