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Error FG3 – Communication Fault Between Tablet and Indoor Component
If you encounter Error FG3 on the tablet, it indicates a communication issue between the wall tablet and the communication module installed inside the roof....
Thu, 6 Nov, 2025 at 7:22 PM
AnywAir App Not Connecting to Tablet (Error FG42, FG43, or FG45)
If your AnywAir app on your phone is not connecting to the tablet, or you are seeing error codes FG42, FG43, or FG45, this is typically caused by an incorre...
Thu, 6 Nov, 2025 at 7:32 PM
J-II VRF System – Key Features and Sales Highlights
Product Overview The Fujitsu AIRSTAGE J-II is a small-scale VRF (Variable Refrigerant Flow) system designed for small offices, retail spaces, and large hom...
Thu, 6 Nov, 2025 at 2:39 AM
Sales Promotion Solution — AIRSTAGE J-II
1. Overview The AIRSTAGE J-II series was designed by Fujitsu General Limited as a compact, high-performance VRF (Variable Refrigerant Flow) system targetin...
Thu, 6 Nov, 2025 at 9:10 PM
Sales Promotion Solution — AIRSTAGE VR-II Lineup
1. Overview The Fujitsu General AIRSTAGE VR-II series represents a significant advancement in VRF (Variable Refrigerant Flow) technology, offering simultan...
Thu, 6 Nov, 2025 at 9:12 PM
VR-II Indoor Unit Training — Technical and Sales Overview
1. Introduction The AIRSTAGE VR-II indoor unit range represents Fujitsu General’s second-generation VRF indoor platform, developed for use with the VR-II H...
Thu, 6 Nov, 2025 at 9:14 PM
VR-II Refrigerant Training — Refrigerant Principles & Heat Recovery Cycle
1. Overview The Fujitsu AIRSTAGE VR-II System is a 3-pipe heat recovery VRF (Variable Refrigerant Flow) system. It builds upon the proven V-II architecture...
Thu, 6 Nov, 2025 at 9:16 PM
VR-II Wired Remote Controller — Touch Wall Controller Overview
1. Background and Development Concept The Fujitsu General VR-II Touch Wall Controller was developed to provide a user-friendly, visually intuitive interfac...
Thu, 6 Nov, 2025 at 9:17 PM
The Importance of Replaceable Core Driers and Acid Testing When Replacing Compressors
1. Purpose of Driers in Refrigeration Systems Driers are essential components in any refrigeration or air conditioning circuit, including VRF systems like ...
Thu, 6 Nov, 2025 at 9:20 PM
Example - motion sensor and time clock on external input
1. Series Configuration (Left Side of Diagram) Description The motion sensor and time clock are connected in series. Both must be activated (closed c...
Thu, 6 Nov, 2025 at 9:23 PM