8902RHKLD-ZLWS BLDC AC & Floor Heating Thermostat
Key Specifications
· BLDC integrated AC & floor heating thermostat for fan coil unit (FCU) and hydronic floor heating (water system)
· 0-10V adjustable speed, universal for DC brushless fans
· Standard with linkage function
· Dual-function model combining air conditioning and floor heating
· RS485 connecting interface (optional) · Built-in WiFi (Tuya App)
· 86×86×40mm · 190g
Why Choose 8902RHKLD-ZLWS
· 0-10V Speed Control – Universal output for DC brushless (BLDC) fans, enabling smooth, silent, and energy-efficient fan speed adjustment
· Linkage Function (Standard) – Built-in device-to-device automation (e.g., with fresh air or curtains)
· AC + Floor Heating Combo – One thermostat controls both fan coil (chilled/hot water) and water floor heating terminals
· RS485 Modbus – Optional RS485 interface for building automation and central control
· Built-in WiFi (Tuya App) – Remote control and scheduling via Tuya App
· Compact Size – 86×86×40mm fits standard wall boxes
· Sturdy Build – 190g for reliable quality
Operation Functions
1. Integrated HVAC Operating Modes.
– Floor heating mode.
– Air Condition & Floor heating Dual-function mode.
– Air Condition & Radiant Floor Cooling Dual-function mode.
2. Basic Operation Modes
– Heating Mode: Adjusts indoor temperature for warmth.
– Cooling Mode: Provides cooling for hot conditions.
– Fan Mode: Circulates air without heating or cooling.
– Clock Mode: Allows scheduling and time-based operations.
3. Sleep Mode
– Automatically adjusts temperature gradually for Comfortable sleep conditions.
– Energy savings.
4. Button Locking & Timer Function
– Button Lock: Prevents accidental adjustments.
– Timer: Enables scheduled on/off operations for energy efficiency.
6. Time Setting
– Enter setup by holding Mode button for 5 seconds. WIFI models automatically sync internet time upon connection.
7. Advanced Options
– Customizable settings for specialized use cases.