A38 LCD Digital Thermostat | RS-485 Modbus | Temp & Humidity Control

Smart Control with High Accuracy – Built for Versatile HVAC Integration

The A38KP LCD Digital Thermostat delivers precision temperature and humidity control with a clean interface and advanced integration capabilities. With RS-485 Modbus RTU, support for EC and 3-speed fans, and a wide set range of -50°C to 120°C, it's built for performance in any HVAC, BMS, or automation environment.

Key Features:

• 0.1°C Temperature Accuracy for precise climate control
• Wide Temp Range: -50°C to 120°C set range | -55°C to 125°C detection range
• LCD Backlit Display with compound press graphic keys
• MODBUS RTU Protocol: Built-in RS-485 interface (9600/19200 bps)
• Humidity Control (Optional): Supports integrated sensor module (20–90%, 1% resolution)
• Flexible Fan Motor Support: Compatible with both 3-speed (XF) and EC (XE) motors
• Air Volume Control: Manual or automatic, 3-speed or 20-speed based on motor type
• Operating Modes: Cool / Heat / Humidity / Fan Only / Auto
• Remote Control Compatible: Infrared receiver works with R30RC (optional)

Dimensions:

• Main Panel: 120 × 100 × 16 mm
• Power Controller: 115 × 68 × 38 mm

Technical Specifications:

• Power Supply: AC 90–240V, 50/60Hz
• Temperature Resolution: 0.1°C
• Wiring Distance (Panel ↔ Controller): Up to 100m (0.5mm² x 4C)
• Output Capacity:
  • Fan: 5A @ 220VAC
  • Valve / Chiller: 3A @ 220VAC
• Sensor Type: Digital thermometer
• Humidity Sensor (Optional): Integrated IC module

Note: This product is customizable and can be built to order.
Please refer to the datasheet below for specifications and available configurations.

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Downloads:

• Datasheet