Atlantic Alfea Extensa A.I. User Manual

14 Quick-start procedure
Before switching on the hydraulic unit:
• Check the electric wiring.
• Check the refrigeration circuit and make sure that 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.
14.1 Start-up check-list
14.1.1 Before starting-up
• Sight checks
Outdoor unit (see chapter "Installation of the outdoor unit", page 20). OK Not compliant
Location and ttings, condensate evacuation.
Comply with distances from obstacles.
• Hydraulic checks
Hydraulic unit (see chapter "Installation of the hydraulic unit", page 22). OK Not compliant Value
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
and lling the installation with gas", page 24).
OK Not compliant
Check the refrigeration circuits (sealing, no dust or humidity).
Connections between units (pipe length, are tightening torque...).
Installation of HP pressure gauges and vacuum gauges on the gas line (large tube).
Pump down mandatory.
Nitrogen leak test (~ 10 bar).
Opening of refrigeration valves to outdoor unit.
Refrigerant lling for the hydraulic module and pipes.
• Electrical checks
Outdoor unit (see chapter "Electrical connections", page 38). OK Not compliant Value
Main power supply 230v.
Protection by rated circuit breaker.
Cable dimensions.
Earth connection.
Hydraulic unit (see chapter "Electrical connections
on the hydraulic unit side", page 42).
OK Not compliant
Connection to the outdoor unit (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).
Installation manual "1872 - EN"
Alféa Extensa A.I. Heat Pump
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Atlantic Alfea Extensa A.I. Specifications

General

Brand	Atlantic
Model	Alfea Extensa A.I.
Category	Heat Pump
Language	English