- 80 -
Before switching on the hydraulic unit:
• Check the electric wiring.
• Check the refrigeration circuit and make sure the it has been gassed.
•
Check the hydraulic circuit's pressure (1 to 2 bar), check that the heat pump has been bled, along with the rest of
the installation.
•
Make sure that ALL DIP SW on the interface board are OFF before starting up.
►
Start-up check-list
▼
Before starting-up
OK
Not compliant
Sight checks Outdoor unit (see chapter "Installation of the outdoor unit", page 18).
Location and fittings, condensate evacuation.
Comply with distances from obstacles.
Hydraulic checks Hydraulic unit (see chapter "Installation of the hydraulic unit", page 20).
Connection of pipes, valves and pumps (heating circuit, DHW).
Installation water volume (expansion vessel of adequate capacity?).
No leaks.
Main system pressure and degassing.
Refrigeration connections and checks (see chapters "
Refrigeration connections", page 22).
Check the refrigeration circuits (sealing, no dust or humidity).
Connections between units (pipe length, flare tightening torque...).
Installation of HP pressure gauges on the gas line (large tube).
Pump down mandatory.
Nitrogen leak test (~ 10 bar).
Opening of refrigeration valves to outdoor unit.
Filling hydraulic unit and pipes with refrigerant.
Electrical checks Outdoor unit (see chapter "
Electrical connections", page 34).
Main power supply (230 V or 400 V).
Protection by rated circuit breaker.
Cable dimensions.
Earth connection.
Hydraulic unit (see chapter "Electrical connections on the hydraulic unit side", page 38).
Connection to outdoor unit (L, N, Earth or 3 L, N, Earth).
Sensors connection (positioning and connections).
Distribution valve connections (boiler and DHW) and circulation pump.
Power supply and protection of electric backup (option).
Quick-start procedure
Waterstage / Installation / 2011 - EN
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