Air Handling Unit Interface
AHU-KIT-SP
MORIKAWA
SPECIFICATION
PSZ000Z308
4/38
MODEL NAME
MODEL TYPE
ISSUE
CLASSIFICATION
DWG NO.
REV.MARK PAGE
21.09.17
◇
Temperature Control SW7-4
：
ON
(Set temp. control:18
℃
⁻
30
℃
)
System diagram
The following control system can be used for Temperature Control.
★
：
Main Controller for Temperature Control
○
：
Optional Controller
×
：
Not available
(*4) Last received operation command has priority.
(*5) Select one of the following ways to Run/Stop the AHU system:
- Digital input (ON/OFF)
- Modbus command (Run/Stop)
- Remote controller command (Run/Stop)
Table 1-2
AHU
Controller
AHU Interface
Master
AHU Interface
Slave1
AHU Interface
Slave15
Comp. speed
Comp. speed
Comp. speed
Set temperature
Modbus
Controller
Digital
Input/Output
Analog input
Master
Slave15
Slave1
No.
Analog input
(0-10V/4-20mA)
Modbus
Remote Control
(Include SL Adaptor)
AHU System
How to Run/Stop
3
×
★
(*4)
○
(*4)
Digital input, RC or Modbus(*5)
4
×
○
(*4)
★
(*4)
Digital input, RC or Modbus(*5)
●
Select control method and settings
The outdoor units can be controlled by one of two methods (Capacity Control or Temperature Control).
Select the suitable control combination (No.1-No.4) based on the equipment to be installed.
Correct Master/Slave settings are required when using cascading control.
Check each setting by referring to table 1-1, 1-2 in this section.
◇
Capacity Control SW7-4
：
OFF (External input:0-10V / 4-20mA / 0-100% )
System diagram
The following control combinations are to be used for Capacity Control.
★
：
Main Controller for Capacity Control
△
：
Optional Controller
×
：
Not available
(*1) Analog input will be invalidated once 0-100% command is sent from the Modbus controller.
Power reset is required to restore analog input function.
(*2) Monitoring purpose only. Operation from remote controller is not possible.
(*3) Select either of the following ways to Run/Stop the AHU system:
- Digital input (ON/OFF)
- Modbus command (Run/Stop)
Table 1-1
AHU
Controller
AHU Interface
Master
AHU Interface
Slave1
AHU Interface
Slave15
Analog Input
0～10V or 4-20mA
Comp. speed
Comp. speed
Comp. speed
Modbus
Controller
Modbus
0-100%
Digital
Input/Output
Master
Slave15
Slave1
No.
Analog input
(0-10V/4-20mA)
Modbus
(0-100%)
Remote Control
(Include SL Adaptor)
AHU System
How to Run/Stop
1
★
△
(*1)
Monitoring only(*2)
Digital input or Modbus(*3)
2
×
★
Monitoring only(*2)
Digital input or Modbus(*3)
