The is a comprehensive technical guide designed for professionals to install, maintain, and troubleshoot one of Midea's most flexible commercial air conditioning systems. It covers various sub-series including the Heat Pump (V4+), Individual (V4+I), and Heat Recovery (V4+R) systems. Key Technical Highlights
: Lists technical data, including cooling/heating capacities (up to 72HP/200kW), power requirements, and noise levels.
The factory charge covers only the outdoor unit modules. You must compute the extra R410A liquid refrigerant weight using the liquid pipe diameters and lengths: midea vrf v4 plus service manual
Verify liquid and gas service valves are fully open. Check for overcharging, condenser fouling, or failed outdoor fan. Low Pressure Protection
| Specification | Details | | :--- | :--- | | | 380-415V / 3 Phase / 50Hz | | Cooling Capacity (kW) | 28.0 | | Heating Capacity (kW) | 31.5 | | Net Dimensions (mm) | 780 (W) x 1000 (H) x 550 (D) | | Net Weight (kg) | 146 | | Refrigerant | R410A | | Sound Pressure Level (dB(A)) | 52 | The is a comprehensive technical guide designed for
To maintain efficiency, the service manual dictates regular maintenance schedules.
Midea V4 Plus systems utilize a 3-wire shielded communication bus ( The factory charge covers only the outdoor unit modules
. It is structured into several key parts: General Information, Selection, Specifications, Installation, and Troubleshooting. MDV Aircond 1. Key System Features High Efficiency
A critical portion of the manual is dedicated to troubleshooting. Common error codes mentioned in related Midea service documentation 6 | PDF | Air Conditioning | Power Inverter - Scribd