14.1.2 Starting-up
• Start-up
(see chapter "Controller Interface", page 44). OK Not compliant
Close the installation's main circuit breaker (outdoor unit power supply)
2 hours before testing => Preheating of the compressor.
Press the On/O Switch => Initialisation takes several seconds.
Operation of the heating circulation pump.
Outdoor unit starts after 4 mins.
Congure Time, Date and Heating circuit, DHW timer programs if dierent from the default values.
Congure the hydraulic circuit.
Set the heating gradient.
Adjust the max ow setpoint.
• Outdoor unit checks
OK Not compliant Value
Operation of fan(s), compressor.
Current measurement.
After several minutes measure the dierence in air temperature.
Check condensation and evaporation pressure/temperature.
• Hydraulic unit checks
OK Not compliant Value
After 15 mins of operation.
Primary water temp. dierence.
DHW priority (switching of distribution valve).
Operation of heating, mixing valve, boiler backup, etc.
• Control
(see chapter "Controller Interface", page 44). OK Not compliant
Settings, maintenance, checks.
Program the heating periods.
Adjust the setpoints for the heating circuits if dierent from the default values.
Adjust the DHW setpoints if dierent from the default values.
Setpoint display.
Explanations of use.
The heat pump is ready for operation!
Installation and Operating Manual "1821- EN" - 79 -
Alféa Extensa Duo A.I. Heat Pump