Specifications

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SERVICE DATA
1
CONTROL
[1] Composition of Control
1 Function block diagram
3N~
380/400/415 V
50 Hz
outdoor
indoor
Remote
controller
Fuse
Fuse
LED2 LED3
Fuse
DC5V for
microcomputer
DC/DC
converter
Fuse
Electrical terminal block
Remote controller
terminal block
Remote controller
terminal block
Semiconductor
relay
Semiconductor
relay
Over current
relay
Magnetic
contractor
4-way valve,
solenoid valve,
crankcase heater
Key input
LCD
Send/receive
Communication
circuit
Communication
circuit
Transformer
Fan control
Fan control
Compressor
Outdoor fan
Indoor fan
Indoor/outdoor connection terminal block
Indoor/outdoor connection terminal block
Current
detection
<Supply power>
<Power>
<Indoor/outdoor units communication>
LED1
DC5V
12V
5V