Technical Specifications & Interface Features
- Display Type: Backlit dot-matrix liquid crystal display (LCD) with high-contrast text.
- Temperature Regulation: Precise digital thermostat sensor reading, adjustable in increments of 0.5°C (or 1°F).
- Power Supply: Powered directly by a 16V DC signal line from the connected indoor unit’s P1/P2 communication terminal block.
- Control Functions:
- Operation Mode Selection: Cool, Heat, Fan Only, Dry, and Auto.
- Fan Speed Control: Adjusts multi-stage fan velocities (Low / Medium / High).
- Airflow Direction: Manages swing or static positions for single or multi-directional louvers.
- Energy-Saving Automation:
- Integrated 7-day schedule timer allowing up to 5 programmed actions per day.
- Setback Temperature Function: Maintains room climate within a wider range when the room is unoccupied to lower electricity consumption.
Button Layout & Navigation Guide
- Power Button (Top Right): Features an integrated LED indicator light that shines green when the air conditioning system is active.
- Central Navigation Wheel: Large upward and downward arrows adjust the temperature settings or browse menu lists. The central Return/Enter key (Corner Arrow) confirms selections.
- Mode Button (Top Left): Cycle through cooling, heating, or fan-only operations.
- Fan Speed Button (Bottom Left): Toggle through available indoor fan speeds.
- Menu/Cancel Button (Bottom Right): Access advanced engineer settings, scheduling, or back out of current menus.


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