7 Quick-start procedure
Before switching on the hydraulic unit:
• Check the electric wiring.
• Check the refrigeration circuit and make sure the gas
supply has been performed.
• Check the pressure of the hydraulic circuit (1-2 bar),
check that the heat pump is purged, and the rest of the
installation.
• Make sure that ALL DIPSW on the interface card are
OFF before starting up.
7 1 Start-up check-list
7 1 1 Before starting-up
•
Sight checks
Outdoor unit (see chapiter "Installation of the outdoor unit"
).
OK
Non compliant
Location and fittings, condensate evacuation.
Compliance with distances from obstacles.
•
Hydraulic checks
Hydraulic unit (see chapiter "Installing the hydraulic unit"
OK
Non compliant
Value
Connection of pipes, valves and pumps (1 or 2 circuits, DHW).
Installation water volume (expansion vessel of adequate capacity ?).
No leaks.
Main system pressure and degassing.
•
Refrigeration connections and checks
(see chapiters "Refrigeration connections"
& "Filling the installation with gas"
).
OK
Non compliant
Connections between units (pipe length, flare tightening torque...).
Installation of HP, LP pressure switches on liquid line (small pipe).
Pump down required.
Nitrogen leak test (~ 10 bar).
Opening of refrigeration valves to outdoor unit.
Refrigerant filling of hydraulic unit and pipes.
•
Electrical checks
Outdoor unit (see chapiter "Electrical connections"
OK
Non compliant
Value
Main power supply (230v).
Protection by rated circuit breaker.
Cable cross-section.
Earth connection.
Hydraulic unit (see chapiter "Electrical connections on the hydraulic unit side"
OK
Non compliant
Connection with outdoor unit (phase, neutral, earth).
Sensors connection (positioning and connections).
3 way valve and circulators connections.
Power supply and protection of electric auxiliary.
Installation and operating manual "1532 - EN"
Air to Water Heat Pump
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