All DC Inverter VRF System 25.5~112kW

Specification All DC Inverter VRF System

High-Capacity VRF Solutions for Large Commercial & Industrial Projects

Overview

The 25.5–112 kW All DC Inverter VRF System by OUTES is designed for medium to large commercial buildings requiring powerful, stable and efficient HVAC performance.
With modular outdoor unit configuration and advanced VRF control algorithms, the system ensures precise refrigerant distribution, long-distance piping adaptability and reliable operation under intensive daily use.

This series is widely applied in hotels, office towers, hospitals, industrial buildings, schools and other large-scale engineering projects.

Wide Capacity Range & Modular Flexibility

The series covers:

• 25.5 kW

• 28 kW

• 45 kW

• 56 kW

• 75 kW

• 90 kW

• 112 kW

Multiple outdoor units can be combined to form a larger-capacity central system, enabling project designers to scale the solution according to building load demands.
This ensures stable coverage for:

• Multi-floor structures

• Large open areas

• Distributed zones requiring independent control

• Complex project environments

High-Efficiency All DC Inverter Technology

OUTES applies:

• DC inverter compressors

• DC fan motors

• Intelligent electronic expansion valves

• Optimized refrigerant management

This ensures:

• Superior seasonal energy efficiency

• Smooth load adjustment during partial occupancy

• Faster heating and cooling stabilization

• Reduced energy loss during large-area operation

The system maintains consistent performance even during long daily operating hours typical of hotels, hospitals and commercial complexes.

Large-Scale Piping Capability for Complex Projects

Designed for engineering complexity, the system supports:

• Very long total pipe lengths

• Large vertical separation between units

• Flexible branching for multi-zone distribution

• Stable performance across extended piping networks

This ensures flexible deployment in:

• High-rise buildings

• Large commercial complexes

• Industrial environments

• Multi-block campuses

Reliable Performance in Extreme Weather

The high-capacity outdoor units maintain stable operation in demanding climates:

• Cooling operation: up to ~48°C

• Heating operation: down to ~–20°C（depending on configuration）

Anti-corrosion protection and robust structural design ensure durability even in coastal, industrial or high-humidity environments.

Precision Refrigerant Control Across Multiple Zones

With dynamic load balancing and refined VRF algorithms, the system delivers:

• Consistent indoor comfort

• Accurate temperature control in large buildings

• Smooth load matching across dozens of indoor units

• Balanced refrigerant distribution during peak demand

Compatible with various indoor units including ducted, cassette, wall-mounted, ceiling-suspended and floor-standing types.

Intelligent Building Management Integration

The system supports advanced centralized and smart-building applications:

• Touchscreen central controllers

• Cloud platform monitoring and remote diagnostics

• Energy allocation monitoring

• BMS integration via Modbus / BACnet

Ideal for large projects requiring energy data management, multi-zone scheduling and remote operational oversight.

Engineering-Grade Reliability

To ensure long-term performance under heavy usage conditions, OUTES incorporates:

• High-performance inverter compressors

• Enhanced heat exchanger design

• Intelligent oil management system

• Protective coating for outdoor durability

• Service-friendly layout with improved maintenance access

This delivers stable operation suitable for hotels, office towers, hospitals and large production facilities.

Applications

The 25.5–112 kW series is widely used in:

• Hotels & hospitality complexes

• Hospital buildings & medical centers

• Large office towers & business parks

• Manufacturing plants & industrial buildings

• Schools, universities & research institutions

• Commercial malls & retail complexes

• Multi-building campuses and mixed-use developments

Why Choose OUTES Large-Capacity VRF Systems

• Designed for medium to large-scale commercial operations

• Wide capacity range with modular expansion

• High efficiency with full DC inverter technology

• Long-distance piping for complex engineering layouts

• Intelligent control and complete BMS compatibility

• Robust reliability for long daily operational cycles

• Comprehensive project support from design to service