KF800 HRV Smart Controller Air Detection 3 Speed Switch for Home Fresh Air

Overview

This smart controller for fresh air system can monitor indoor temperature and CO₂ concentration in real time. It outputs signals to directly control the start-up and speed of the fresh air fan. Widely used in residential, commercial and industrial applications. It effectively improves air quality and creates a healthy, comfortable, efficient, eco-friendly and energy-saving living and working environment.

Button Function Description

1. Timer Key: Timer parameter setting
2. Up ▲ Key: Parameter increase
3. Down ▼ Key: Parameter decrease
4. Mode Key: Set controller working mode. Short press to cycle through AUTO, MANUAL, TIMER and Power OFF.

• Overall Dimension: 86×86×40mm
• Mounting Hole Spacing: 60mm (Standard)
• Wiring Terminal: Max. 2.5 mm² wire
• Rated Voltage: AC220V 50Hz
• Standby Power Consumption: ≤0.5W
• Control Power: ≤200W
• Output Interface: 3-speed fan
• Temperature Display Range: 0°C ~ 50°C
• CO₂ Display Range: 350ppm ~ 3000ppm
• Warm-up Time: 1 minute
• Response Time: ≤10 seconds
• Recovery Time: ≤30 seconds
• Operating Temperature: -10°C ~ +50°C
• Operating Humidity: 5%RH ~ 90%RH (non-condensing)
• Storage Temperature: -10°C ~ +60°C
• Storage Humidity: ≤60%RH
• Service Life: ≥5 years