IntesisBox INMBSPAN001R000

Use cases

• Monitor air conditioner on/off state and operating mode remotely from the ModbusCloud dashboard.
• Adjust temperature setpoints for multiple AC units across different sites without a site visit.
• Create an alert when an error code is reported by the air conditioning unit to enable faster troubleshooting.
• Log fan speed and vane position changes over time to verify scheduled HVAC programs are executing correctly.
• Override the indoor ambient temperature sensor with an external value for more accurate climate control.

Installation

1. 1Connect the IntesisBox INMBSPAN001R000 to the air conditioner indoor unit using the supplied proprietary cable, following the Intesis wiring diagram.
2. 2Wire the RS-485 (A/B) terminals of the IntesisBox to the Modbus RTU port on your ModbusCloud gateway (MCG or MLP series), observing correct polarity.
3. 3Set the Modbus slave address on the IntesisBox using its DIP switches or configuration tool, ensuring it does not conflict with other devices on the bus.
4. 4Confirm the baud rate is set to 9600 on both the IntesisBox and the ModbusCloud gateway.
5. 5Import the IntesisBox INMBSPAN001R000 template in the ModbusCloud platform and assign it to the correct gateway and slave address.
6. 6Verify communication by checking live register values on the ModbusCloud dashboard and toggling the AC unit on/off.

Things to watch for

01

The ModbusCloud gateway cannot communicate with the IntesisBox. What should I check?

Verify that the RS-485 wiring polarity (A and B) is correct and consistent at both ends. Confirm the baud rate is 9600 and the slave address matches the address configured in the template. A termination resistor may be needed if the cable run is long.

02

The template references Panasonic, Sanyo, and Fujitsu. Which brands are actually supported?

The INMBSPAN001R000 documentation references multiple brands. Verify your specific AC model against the Intesis compatibility list before purchasing. Using the interface with an unsupported model may result in partial or no register access.

03

Can I write to register 22 to override the room temperature sensor?

Yes, register 22 is writable and allows you to supply an external ambient temperature value. Be cautious, as incorrect values will influence the unit's internal control decisions.

04

What happens if I set the wrong operating mode value?

Writing an unsupported mode value to the mode register may be ignored by the IntesisBox or cause unexpected behavior. Refer to the Intesis register map for valid mode codes for your AC model.

Registers (7)

7 read / 6 write

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