External Input And Output; Outdoor Unit; External Input - Fujitsu AU G18LVLB Series Design & Technical Manual

5.

EXTERNAL INPUT AND OUTPUT

5-1.

OUTDOOR UNIT

With using external input and output functions, this product can be operated inter-connectedly with
an external device.
Connector
CN10
CN11
CN12
CN13
5-1-1.

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
z „
Outdoor unit
control PCB
Connector
1
2
Input Signal
Low noise mode
Optional part
z „
Parts name
External connect kit
Input
Low noise mode
Peak cut mode
—
—
Connected unit
Ex.) Switch
*10m
Signal
Locally purchased
ON
OFF
ON
OFF
Model name
UTY-XWZXZ3
Output
—
—
Error status
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" in 6.FUNCTION
SETTINGS.
Exterior
- (04-33) -
Remarks
See external input/output
settings for details.