Fujitsu General AOHH30KMTB, Service Manual

Page: 159 / 162

4. External input and output (For outdoor unit)
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
4-1. 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
10m*
Connector
1
2
1
2
P5
8
0
P
A5
8
0
• 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
"Local setting pro-
cedure" on page 05-10.
On
Off
On
Off
Input signal
Low noise mode
• Optional part
Part name Model name Exterior
External Connect Kit UTY-XWZXZ3
External input wire
4-1. External input
- (05-29) -
4. External input and output (For outdoor unit)
FIELD WORKING FIELD WORKING