MAINS POWER SUPPLY CONNECTIONS
• Before connecting the unit to the power supply, makes
sure that switch QF1 is open, suitably padlocked and
marked.
• Remove the inspection panel by unscrewing the screws.
• Open the electrical panel door
• Use the cable gland A for the main power cable, and the
other cable glands for the external cables connected by
the installer.
• Identify the terminals used for electrical connections on
the layout drawing shown in this manual.
• Make the connections as shown in the wiring diagram on
the unit.
• The figures show the power supply connection terminals
for 400V.
• Replace the covers on the electrical panel and the closing
panel.
• Make sure that all the covers removed to make the electri-
cal connections have been replaced before powering up
the unit.
• Position the main switch QF1 (outside the unit) in the "ON"
position.
• Once the remote terminal has been switched on, "OFF"
and "init" are displayed.
• The room unit is ready to use after a few seconds, when
"init" is shown and the clock is displayed.
Power supply
Number of power wires
* Compliant with standards in force in the place where the
unit is installed
400V
4 + PE
ON
OFF
A
i-KI / i-KIR heat pump terminal block
QS1
PE
U V W N
400V - 3N ~ 50Hz
Installer connections
EN PBM 20÷40
I A
17