Fujitsu AOTG30KMTA, Design & Technical Manual

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O
U
T
D
OOR UNIT
AOTG30, 34KMT
A
11. External input and output (for AOTG34KMTA)
With using external input and output functions, this product can be operated inter-connectedly with
an external device.
11-1. 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
normal 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
temperature.

Circuit diagram example

Optional part
Connector Input Output Remarks
CN10 Low noise mode —
See external input/output
settings for details.
CN11 Peak cut mode —
CN12 — Error status
CN13 — Compressor status
• Contact capacity: DC 24 V or more, 10 mA or more.
• *: Make the distance from the PCB to the connected
unit within 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 70.
Part name Model name Exterior
External connect kit UTY-XWZXZ3
Outdoor unit
control PCB
Connected unit
Example: Switch
Connector
1
2
Signal
Locally purchased
*10 m
On
Off
On
Off
Input signal
Low noise mode