Owner’s Manual

How to set
Installation Manual 9
ENGLISH
When the product input is greater than or equal to 25A
(The air conditioner is controlled by turning on/off the indoor/outdoor communication line.)
1234
CN_COMM
CN_POWER
ACP Controller
BUS_A
BUS_B
AC input power
(220V, 60Hz)
LN
Breaker or Power
Communication
line
Power line
Outdoor unit
Indoor unit
1. Pull out the power or shut
down the breaker.
2. Cut the indoor/outdoor unit
communication line.
3. Connect the cut
communication line to the
additional relay cable as
shown at the figure.
4. Finish the connected area with
the insulating tape.
• Even when the stop command is issued by the central control signal when controlling the communication line,
only the outdoor unit is stopped, but the indoor unit continues to run according to the product.
•
When running is started after being stopped by the central control, the indoor unit returns to the previous running state.
• It is possible to interconnect with all central controllers possible with the LGAP.
Central control signal Do kit Product
Run Contact ON (Relay ON) Product power ON (possible to be controlled by the indoor
unit)
Stop Contact OFF (Relay OFF) Product power OFF
Note:
• Connecting the communication terminal (BUS_A, BUS_B) and the power terminal
(L, N) reversely may damage the product.
• The model with the indoor/outdoor unit communicating the RS485 or other data by
the above connection may cause the failure.
• When the power specification connecting to the relay is higher than the specification
of the supplied relay, use the separate relay.