Electrical Connection
System switch connection diagram
When a system switch is pressed, OFF MODE (INV BTN) will be displayed on the LCD and
the system will be powered off. To release the switch, press it again. You need to prepare a
system switch by yourself.
DI/DO wiring procedure
Step 1:
Loosen the securing screw on Port COM 2, and then hold latches on both sides
of the connector enclosure to pull it out from the inverter.
Step 2: Loosen the swivel nut on the enclosure anticlockwise, and then remove sealing
plugs from the cable support sleeve as needed. Do not remove the sealing plugs
from holes you are not going to use.
Step 3:
Thread the cable through the swivel nut, cable support sleeve and connector
enclosure in sequence.
Step 4: Secure the assembled connector on Port COM 2.
»
Insert the connector enclosure into Port COM 2 of the inverter.
»
Push the cable support sleeve into the connector enclosure.
»
Tighten the M3 screw on Port COM 2 to fasten the connector enclosure.
Torque: 0.6 ± 0.1 N·m
»
Tighten the swivel nut clockwise, to complete connection.
• Steps for DI/DO connection are similar to those for datahub, heatpump or EVC
connection, which are not described in detail herein. For details, please refer to
Datahub, heatpump, and EVC communication
82
Subport DI/DO
Pin 5
Pin 4
Figure 8-54 System switch connection diagram
Communication
NOTICE!
connection".
System switch
"8.7.2
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