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R410A Commercial Chiller 320-920 kW with AHRI Certified IPLV 4.8 and IDV Variable Capacity for 25-75% Part-Load Savings
Investment Overview
For commercial buildings requiring rooftop placement, noise management, and year-round cooling, the Midea Air Cooled Scroll Chiller offers optimal installed cost and operating efficiency. Two engineered series cover the 320-920 kW range: RHAE/RCAE (319.9-860 kW) and RHAG/RCAG (340-920 kW), both utilizing R410A refrigerant with fully enclosed scroll compressors and Independent Digital Valving (IDV) for continuous capacity modulation.
Typical simple payback on the efficiency premium: 2.5-4 years, depending on local electricity tariffs and climate zone.
Total Cost of Ownership Advantages
IPLV 4.7-4.8 (AHRI 550/590) – Part-load efficiency leadership reduces annual kWh consumption by 25-35% versus standard-efficiency scroll chillers
IDV Continuous Capacity Control – Independent Digital Valving adjusts output in fine increments, eliminating energy waste from cyclic on/off operation
Optional Heat Recovery (40°C / 55°C) – Captures condenser waste heat for domestic hot water preheating; annual fuel savings of 15,000-40,000 litres equivalent
8-Unit Intelligent Parallel Operation – Automated lead-lag rotation equalizes run hours, extending compressor overhaul intervals by 20-30%
R410A Global Service Network – Refrigerant availability and technician familiarity reduce lifetime service risks
Project Applications
Shopping Mall & Retail Complex (10,000-50,000 m²)
IDV part-load capability matches retail cooling profiles precisely, avoiding 40-60% efficiency penalties of fixed-speed chillers below 50% load. Annual energy savings of 28-35% yield payback within 2.5-3.5 years.
Data Centre Tier II-III (100-500 kW IT Load)
Year-round cooling with strict uptime requirements. 8-unit parallel provides inherent N+2 redundancy. IPLV efficiency at 30-70% load delivers 25-30% annual energy savings with 3-4 year payback.
Hospitality – Full-Service Hotel (100+ Rooms)
55°C heat-recovery option captures up to 30% of condenser output for guest-room DHW, reducing boiler gas consumption by 20-30%. Combined annual savings of $18,000-45,000 per 100-room hotel.
Government & Institutional Buildings
AHRI 550/590 IPLV documentation provides auditable efficiency proof for tender submissions. Annual energy-cost reduction of 25-30% supports green-building certification.
Certifications
AHRI 550/590 – Performance and IPLV rating per Air-Conditioning, Heating, and Refrigeration Institute standard
Eurovent – Independent third-party performance verification for European market compliance
CE Marking – European conformity for commercial refrigeration equipment
Technical Specifications
Parameter
RHAE/RCAE Series
RHAG/RCAG Series
Cooling Capacity Range
319.9-860 kW
340-920 kW
Refrigerant
R410A
R410A
Compressor Type
Fully Enclosed Scroll with IDV
Fully Enclosed Scroll with IDV
IPLV (AHRI 550/590)
4.7-4.8
4.7-4.8
Maximum Parallel Units
8
8
Cooling Operating Range
0°C to 48°C
0°C to 48°C
Heating Operating Range
-15°C to 48°C
-15°C to 48°C
Heat Recovery Option
40°C / 55°C
40°C / 55°C
Certifications
AHRI 550/590, Eurovent
AHRI 550/590, Eurovent
Why Choose Hongtai
Application-Specific Configuration – Pre-configured unit settings reduce on-site commissioning from 3 days to under 1 day
Parallel System Commissioning Support – Remote or on-site assistance for multi-unit parallel setup
Spare-Parts Forward-Stocking Program – Critical spares pre-positioned for your region to minimize downtime
Energy-Savings Verification – Post-installation performance monitoring to validate guaranteed savings
Multi-Project Volume Pricing – Tiered discount structure for portfolio buyers
Henan Hongtai HVAC Equipment Co., Ltd. is a technology-based service enterprise integrating the sales of air-conditioning system and related accessories, exporting the products with good quality and the most suitable ones for customers' project. Our main products include VRF system, Chille... Henan Hongtai HVAC Equipment Co., Ltd. is a technology-based service enterprise integrating the sales of air-conditioning system and related accessories, exporting the products with good quality and the most suitable ones for customers' project. Our main products include VRF system, Chille...
