Oxycom adiabatic cooling intercool
Monitors and controls Oxycom adiabatic cooling systems via Modbus TCP
This template connects Oxycom IntrCooll adiabatic cooling systems to ModbusCloud via Modbus TCP. It reads temperatures, water consumption, energy data, fan status, damper positions, and alarms. It also allows control of thermostat settings, fan speed, operation modes, and cooling or heating enable.
- Protocol
- Modbus TCP
- Connection
- Ethernet, Modbus TCP
- Registers
- 58, read and write
- Brand
- Oxycom
- Key readings
- Outdoor and supply temperatures · Water consumption (m3 and liters) · Energy meter (kWh and Watt) · Water conductivity and level · Damper ventilation position · Alarm registers (1 to 13)
- Available commands
- Unit and thermostat on/off · Operation mode selection · Fan speed / temp setpoint · Cooling and heating enable
- Compatible models
- Oxycom IntrCooll
- Last updated
Registers (58)
42 read, 24 write
| Name | Unit | Access | Address (Hidden until you enter your email) | Function (hidden) | Type (hidden) |
|---|---|---|---|---|---|
| 244 WATER_CONSUMPTION_COUNTER_CUBIC | m³ | Read | |||
| 245 WATER_CONSUMPTION_COUNTER_LITER | l | Read | |||
| 246 WATER_FLOW_CURRENT | l | Read | |||
| 249 ENERGY_METER_KWH | KW/H | Read | |||
| 251 ENERGY_METER_WATT | KW/H | Read | |||
| 700 R_OPERATION_MODE | Read | ||||
| 701 R_OUTDOOR_TEMPERATURE_SENSOR | °C | Read | |||
| 703 R_INTRCOOLL_SUPPLY_TEMPERATURE_SENSOR | °C | Read | |||
| 702 R_HEAT_RECLAIM_SUPPLY_TEMP | °C | Read | |||
| 705 R_WATER_LEVEL | step | Read | |||
| 713 R_DAMPER_VENTILATION | % | Read | |||
| 720 R_WATER_CONDUCTIVITY | uS/cm | Read | |||
| 733 R_WATER_MANAGMENT_MODE | Read | ||||
| 218 ALARM_ACTIVE | Read | ||||
| 219 ALARM_1 | Read | ||||
| 220 ALARM_2 | Read | ||||
| 221 ALARM_3 | Read | ||||
| 222 ALARM_4 | Read | ||||
| 223 ALARM_5 | Read | ||||
| 224 ALARM_6 | Read | ||||
| 225 ALARM_7 | Read | ||||
| 226 ALARM_8 | Read | ||||
| 227 ALARM_9 | Read | ||||
| 228 ALARM_10 | Read | ||||
| 229 ALARM_11 | Read | ||||
| 230 ALARM_12 | Read | ||||
| 231 ALARM_13 | Read | ||||
| 722 R_PUMP | Read | ||||
| 723 R_WATER_DISINFECTION | Read | ||||
| 724 R_SUPPLY_SOLENOID | Read | ||||
| 725 R_DRAIN_VALVE | Read | ||||
| 726 R_FREEZE_PROTECTION_VALVE | Read | ||||
| 100 THERMOSTAT_ON_OFF | Read and write | ||||
| 525 C_HYGIENE_ON_OFF | Read and write | ||||
| 103 THERMOSTAT_P_FAN_SPEED_OR_THERMOSTAT_NP_TEMP_SETPOINT | % | Read and write | |||
| 111 THERMOSTAT_ACTUAL_OPERATION_MODE | Read and write | ||||
| 110 THERMOSTAT_SELECTED_OPERATION_MODE | Read and write | ||||
| 292 UNIT_ON_OFF | Read and write | ||||
| 731 Baromatic presure | Pa | Read | |||
| 307 Minimum Excaust | Read and write | ||||
| 801 Manual mode selection | Read and write | ||||
| 716 Suply fan | Read | ||||
| 203 DIGITAL_INPUT_J12_FUNCTION | Write | ||||
| 308 H_MAXIMUM_EXHAUST_VENTILATION | % | Write | |||
| 401 FC_RELEASE_TEMERATURE | °C | Write | |||
| 501 C_RELEASE_TEMPERATURE | °C | Write | |||
| 502 C_FAN_1_MINIMUM_SPEED | % | Write | |||
| 503 C_FAN_1_MAXIMUM_SPEED | % | Write | |||
| 515 C_MAX_CONDUCTIVITY | us/cm | Write | |||
| 526 C_HYGIENE_START_TIME | Write | ||||
| 530 C_WINTER_START | Write | ||||
| 531 C_WINTER_END | Write | ||||
| 239 ALARM_RESET | Write | ||||
| 300 H_ENABLE | Write | ||||
| 400 FC_ENABLE | Write | ||||
| 500 C_ENABLE | Write | ||||
| 529 C_WINTER_MODE | Write | ||||
| 100 THERMOSTAT_ON_OFF holding | Write |
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Use cases
- Monitor outdoor and supply air temperatures on a live dashboard to verify cooling performance.
- Track water consumption and energy usage over time to report on sustainability metrics.
- Create an alert when any of the 13 alarm registers activates, so you can respond to faults quickly.
- Remotely adjust fan speed and temperature setpoints to optimize comfort without a site visit.
- Switch between cooling and heating enable modes remotely when seasonal conditions change.
- Log energy meter data in kWh to generate monthly efficiency reports for your customer.
Installation
Connect the ModbusCloud Gateway to the same local network as the Oxycom IntrCooll Modbus board.
Configure the Oxycom Modbus board using the configuration layout provided by Oxycom, ensuring register mapping matches the template.
Set the correct IP address of the Oxycom unit in the ModbusCloud gateway configuration and verify Modbus TCP communication on port 502.
Import the Oxycom IntrCooll template from the ModbusCloud template library and assign it to the gateway.
Verify that key readings such as outdoor temperature, energy meter, and alarm registers appear correctly on the ModbusCloud dashboard.
Note that register 227 (ALARM_9) may return a Modbus error over Ethernet, which can be safely ignored.
Things to watch for
Why does register 227 (ALARM_9) return a Modbus error?
This is a known issue when communicating via Ethernet Modbus TCP. The error on register 227 can be safely ignored and does not affect other registers or system operation.
How do I configure the Oxycom Modbus board correctly?
Use the configuration layout provided by Oxycom to set up the Modbus board. Ensure the register mapping matches the template before connecting the gateway.
What baud rate or network settings do I need for Modbus TCP?
Modbus TCP does not use a baud rate setting. Ensure the Oxycom unit and the ModbusCloud gateway are on the same network and that TCP port 502 is accessible.
Can I control the unit remotely or is this template read-only?
The template supports both reading and writing. You can control thermostat on/off, fan speed, temperature setpoints, operation mode, and cooling or heating enable directly from the ModbusCloud dashboard.
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