Specifications

■Installation positions of additional oil temperature control thermistor
(machine body or others)
PSP04664 AKZ149、AKZ329、AKZ439、AKZ569、AKZ909 AKZ9-OP-CS
20
9
AKZ
SERIES
Optional part
Expansion board for main machine communication
The following functions are enabled by mounting this option board on the Oil Cooling Unit and
connecting it to the main machine:
1. The operation mode and the operation setting can be changed from the main machine side.
2. The alarm code and temperature data （machine temperature, room temperature, inlet oil temperature,
outlet oil temperature, inlet and outlet differential temperature, inverter frequency） of Oil Cooling Unit
can be read from the main machine side.
Communication
method
Serial communication
only
Model Installation position
Specification
sheet No.
Applicable model
AKZ9-OP-CS board
Supplied
lead wire
Connect to CN12
on the control board
■Installation position for AKZ9-OP-CS（serial communication only）
Refer to the specifications sheet for the communication procedure and specifications.Note）1.
D-SUB 9 pin connector
AKZ9-OP-CS board
・Dimensions of communication board （W×H）: 40×50
・The communication board is secured at four positions by locking support.
Control board
Control board
Overcurrent circuit breaker
(Not featured on some types)
Thermistor for
oil temperature control
Installation position
(CN11)
Machine temperature
synchronous thermistor
Installation position
(No. 30/31 pin)
Installation plate inside
electric component box
Expansion board for main machine communication