Air Handling Unit Interface
AHU-KIT-SP
MORIKAWA
SPECIFICATION
PSZ000Z308
3/38
MODEL NAME
MODEL TYPE
ISSUE
CLASSIFICATION
DWG NO.
REV.MARK PAGE
21.09.17
2. System configuration
Note 1: Only one outdoor unit can be connected to the AHU interface.
However, it is possible to connect up to 15 slave interfaces to the master by setting the AHU interface to the master setting.
Up to 16 AHU interface × outdoor units can be connected in 1 system including the master.
Note 2: Remote control and Modbus communication are valid only for the master unit.
Note 3: Be sure to connect a leakage breaker in leakage category III.
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AHU interface configuration
Model
Contents
Applications
AHU-KIT-SP
Interface controller
(master/slave)
Single refrigerant system.
Multiple refrigerant system (cascade control).
Heat exchanger sensor
Obtain the heat exchanger temperature information.
Those sensors must be connected each interfaces.
Return air sensor
Obtain the return air temperature information.
This sensor must be connected with master interface.
Reserve sensor
Reserve.
AHU equipment (heat exchanger, fan, total heat exchanger, etc.) be should be procured on site.
●
Remote control
The remote controller shown in the table below can be connected.
Model
Contents
Applications
RC-EX3A
Remote control
Connection is optional.
RC-E5
Necessary when Temperature Control is used as a control method.
※ :
Leakage breaker
Fan
AHU
AHU
Controller
AHU interface
Master
Remote
controller
Modbus
Master
AHU interface
Slave
➀
Slave
➀
Slave
⑮
Heat exchanger
…
Heat exchanger sensor
Return air
sensor
Single
outdoor
unit
Single
outdoor
unit
Single
outdoor
unit
Analog input
Digital input
Digital output
E
X0
E
X0
E
E
X5
X1
CNH
X2 X3 X4
C
N
N
C
N
N
AHU interface
Slave
⑮
C
N
N
X0
Heat exchanger sensor
Heat
exchanger
sensor
X7
X7
X7