Technical Manual

12. External input and output
With using external input and output functions, this product can be operated inter-connectedly with
an external device.
Connector Input Output Remarks
P580 Low noise mode —
See external input/output settings
for details.
PA580 Peak cut mode —
P590 — Error status
PA590 — Compressor status
12-1. External input
With using external input function, on/off status of “Low noise mode” and “Peak cut mode” can be
specified by the external signal.
¢
Low noise mode
In following condition, the operating noise of the outdoor unit reduces comparing from the one in nor-
mal operating condition:
The air conditioner is set to the “Low noise mode” when closing the contact input of a commercial
timer or on/off switch to a connector on the control PCB of the outdoor unit.
NOTE: Product performance may drop depending on some conditions such as the outdoor temper-
ature.
• Circuit diagram example
Outdoor unit
control PCB
Connected unit
(Locally purchased)
Example: Switch
Signal
Connector
1
2
1
2
P580PA580
10m*
(33ft)
• Contact capacity: DC 24 V or more, 10 mA or
more.
• *: Make the distance from the PCB to the
connected unit within 33 ft (10 m).
• Construct a circuit as shown in this figure
with using optional parts mentioned below.
• Input signal: On in “Low noise mode”
• Input signal: Off in normal operation
• To set the level of “Low noise mode”, refer to
"Low noise mode" on page 83.
On
Off
On
Off
Input signal
Low noise mode
• Optional part
Part name Model name Exterior
External connect kit UTY-XWZXZ3
External input wire
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12-1. External input
12. External input and output
OUTDOOR UNIT AOUH30-36LPAS1 OUTDOOR UNIT AOUH30-36LPAS1