System Configuration - Mitsubishi Electric AHU-KIT-SP Manual

2. System configuration

AHU
Return air
sensor
Fan
AHU
Analog input
Controller
Digital input
Digital output
X2 X3 X4 X7
CNH
AHU interface
X1
Master
X5
Remote
X0
controller
Single
outdoor
Modbus
unit
E
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.
Heat exchanger
Heat exchanger sensor
Master
Heat exchanger sensor
Slave➀
Heat
exchanger
sensor
Slave⑮
X7 X7
AHU interface AHU interface
Slave➀ Slave⑮
X0 X0
Single Single
outdoor outdoor
unit unit
E E
※ ：
●AHU interface configuration
Model Contents
Interface controller
(master/slave)
Heat exchanger sensor
AHU-KIT-SP
Return air sensor
Reserve sensor
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
RC-EX3A Remote control Connection is optional.
RC-E5
E
Leakage breaker
Applications
Single refrigerant system.
Multiple refrigerant system (cascade control).
Obtain the heat exchanger temperature information.
Those sensors must be connected each interfaces.
Obtain the return air temperature information.
This sensor must be connected with master interface.
Reserve.
Applications
Necessary when Temperature Control is used as a control method.
MODEL NAME
Air Handling Unit Interface
MODEL TYPE
AHU-KIT-SP
ISSUE CLASSIFICATION
SPECIFICATION
MORIKAWA
DWG NO.
PSZ000Z308
21.09.17
REV.MARK PAGE
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