User manual

13English
Installation Procedure
Silence mode controller wiring diagram
(AC090/100/120/140MXA**H)
Outdoor unit
ASSY Control out
Non-voltage contact
Connecting the outdoor-to-indoor power cable
and the communication cable
1-phase
LN
F1 F2
1(L) 2(N) L N
F1 F2
Outdoor-to-indoor
power cable
For connecting the power and
communication cables
Main power cable Communication cable
Cable tie
Indoor Unit
Outdoor Unit
3-phase
LN
F1 F2
1(L) 2(N) L1(R) L2(S) L3(T) N
F1 F2
Indoor Unit
Outdoor-to-indoor
power cable
3-phase 4-wire main
power cable (AC 380V)
Communication
cable
Cable tie
Outdoor Unit
NOTE
• Lay the electrical wiring so that the front cover does
not rise up when doing wiring work and attach the
front cover securely.
• Ground wire for the indoor unit and outdoor unit
connection cable must be clamped to a soft copper
tin-plated eyelet terminal with M4 screw hole(NOT
SUPPLIED WITH UNIT ACCESSORIES).
Outdoor-to-indoor power terminal
specifications
• Connect the cables to the terminal board using the
compressed ring terminal.
• Cover a solderless ring terminal and a connector part
of the power cable and then connect it.
Silver solder