Fujitsu Airstage J-II Series User Manual

1-1-1. EXTERNAL INPUT
Setting to low noise mode, cooling priority/heating priority selection, outdoor unit operation
peak control setting, emergency/batch stop and electricity meter pulse are possible from The
electricity meter connections that are can be used by the System Controller are shown below.

WIRING METHOD AND SPECIFICATIONS
*A twisted pair cable (22AWG) should be used. Maximum length of cable is 492 ft. (150 m)
* Use an external input and output cable with appropriate external dimension, depending on the
number of cables to be installed
*For each input, pin No.1 is of positive polarity and pin No.2 is the ground.
1 2 1 2 1 2 1 2 1 2
CN131
(Yellow)
Input1
connected unit connected unit connected unit connected unit connected unit
Input2
Input3 Input4
Input5
CN132
(Green)
CN133
(White)
CN134
(Red)
CN135
(Orange)
P.C. B

OPERATION BEHAVIOR
Connector Input signal Status
Outdoor unit
Master Slave
CN131 (Yellow)
OFF Normal operation
○

ON
Low noise mode operation
CN132 (Green)
*1
OFF
Cooling priority
○

ON Heating priority
CN133 (White)
OFF Normal operation
○

ON Outdoor unit operation peak control
CN134 (Red)
OFF Normal operation
○

ON Batch stop or Emergency stop operation *2, *3
CN135 (Orange)
*4
No pulse No information from electricity meter
○ ○
Pulse Power usage information from electricity meter
Slave unit can connect only input5 (CN135).
NOTES :
*1: The "external input priority mode" must be set by pressing push button on PCB of outdoor unit.
*2: Batch stop or Emergency stop pattern can be selected by outdoor unit PCB push button.
*3: The emergency stop function is not guaranteed to meet the regulations of each country.
Consult local codes regarding use. Especially, since the emergency-stop may not function in the
case of broken wiring to the external input terminals and communication line, communication
errors due to noise, VRF external input circuit troubles, etc. In such cases, backup measures
that add direct interruption of the power supply is recommended.
*4: Pulse input to CN135 must be width 50 ms or more, and must be interval 50 ms or more.
- (08 - 03) -
EXTERNAL INPUT & OUTPUT EXTERNAL INPUT & OUTPUT

Fujitsu Airstage J-II Series Specifications

General

Brand	Fujitsu
Model	Airstage J-II Series
Category	Air Conditioner
Language	English