VRF

VR-II Refrigerant Training — Refrigerant Principles & Heat Recovery Cycle
General Assist Technical Training VR-II Refrigerant Principles and Heat Recovery Cycle Three-pipe heat recovery, RB unit operation and high-reliability...
Wed, 29 Jul, 2026 at 2:02 PM
VR-II Wired Remote Controller — Touch Wall Controller Overview
General Assist Product Reference VR-II Wired Remote Controller Touch wall controller features, installation and service overview Reference for the UTY...
Wed, 29 Jul, 2026 at 2:02 PM
The Importance of Replaceable Core Driers and Acid Testing When Replacing Compressors
General Assist Technical Reference Replaceable Core Driers and Acid Testing Protecting a replacement compressor after mechanical failure or electrical ...
Wed, 29 Jul, 2026 at 2:48 PM
Refrigerant Branch Box (RB Unit) Error Indication
General Assist Technical Reference Refrigerant Branch Box (RB Unit) Error Indication LED status interpretation and field diagnostic guidance For GENER...
Wed, 29 Jul, 2026 at 9:33 AM
Manual Address Setting Procedure – Signal Amplifier VRF UTY-VSGXZ1
General Assist Technical Reference UTY-VSGXZ1 Signal Amplifier Address Setting Manual address procedure using SW3, SW4 and SW7 For Fujitsu VRF signal ...
Wed, 29 Jul, 2026 at 4:27 PM
VRF Outdoor Unit Abnormal Error Reset
General Assist Technical Reference Outdoor Unit Abnormal Reset Function setting F3-40 Procedure for clearing a latched outdoor unit abnormal or protec...
Wed, 29 Jul, 2026 at 12:48 PM
Design Simulator Network Firewall Settings
General Assist Technical Reference Design Simulator Network Firewall Settings Firewall requirements for the software auto-update function For IT admin...
Wed, 29 Jul, 2026 at 3:36 PM
Electrical Components – Outside Air Handling Unit (OAU)
General Assist Technical Reference Outside Air Handling Unit Electrical system configuration, component checks and fault diagnostics For Fujitsu Outsi...
Wed, 5 Aug, 2026 at 10:19 AM
Function settings - VRF Fujitsu General
General Assist Technical Reference VRF Indoor Unit Function Settings Configuration categories, compatibility indicators and commissioning guidance App...
Wed, 5 Aug, 2026 at 9:35 AM
J Series indoor unit DIP Switch settings
General Assist Technical Reference J Series Indoor Unit DIP Switch Settings Heating and cooling correction, auto restart, model coding and controller c...
Wed, 5 Aug, 2026 at 4:00 PM