WiFi Features Easy to understand Icons. Easy operation anywhere by Smartphone and Tablet One mobile device can control up to 24 indoor units remotely. Multiple devices can also control a single unit. Email operation Weekly Timers Control multiple models from one device or control one model from multiple devices How it works Built-in wireless LAN interface. By using the built-in LAN adaptor and the FGL Air app, the Heat Pump system can be controlled from anywhere, anytime. Energy Saving Control Powerful Mode Delivers 20 minutes of continuous operation at maximum airflow and maximum compressor speed. This rapid cooling and heating makes the room comfortable faster.