
EXINDA FLEX 337.5 kW R515B Water-Cooled Screw Heat Pump Chiller
Water-source comfort for commercial projects.
Bring higher-capacity heating and cooling to commercial buildings and industrial water systems with EXINDA FLEX 337.5 kW R515B screw heat pump chiller. Separate water circuits support simultaneous cooling, heating and heat recovery, with high-temperature hot water for hydronic plant renovations.
Core specifications
| Item | Published data |
|---|---|
| Model | FBMBHTF4B2U4 |
| System | True four-pipe water-cooled screw heat pump chiller |
| Functions | Cooling, heating, simultaneous cooling and heating, and heat recovery |
| Refrigerant | R515B; GWP 293; 124.74 kg charge |
| Compressor | Inverter screw compressor |
| Power and current | 480 V / 3 Ph / 50–60 Hz; 93.0 A cooling; 152.0 A heating |
| Water connections | 4 in. inlet and outlet on both evaporator and condenser |
| Control | PLC-based controller with LCD interface and real-time monitoring |
| Net dimensions | 230.4 × 146.8 × 187.1 cm (L × W × H) |
| Weight | 2,577.5 kg machine; 2,760.8 kg operating |
| Sound pressure | 80 dB, converted value at 1 m |
Rated performance at stated water conditions
| Operating mode | Published capacity | Input / efficiency | Rated water temperatures |
|---|---|---|---|
| Cooling | 337.5 kW | 68.0 kW input | Condenser 29.4/34.6°C; chilled water 12.2/6.7°C |
| Heating | 492.5 kW | 110.6 kW input | Condenser 48.9/60.0°C; evaporator 24.6/18.3°C |
| High-temperature heating | 438.5 kW | 162.5 kW input | Condenser 70/80°C; evaporator 25/20°C |
Hydronics and controls
| Condition | Evaporator side | Condenser side | Pressure-drop evidence |
|---|---|---|---|
| Rated cooling | 868.4 L/min | 1,141.3 L/min | Not stated |
| Rated heating | 873.6 L/min | 635.3 L/min | Not stated |
| High-temperature heating | Not stated | Not stated | Not stated |
Technical Documents and Related Products
Download the technical submittal ↓PDF · Performance, water conditions, electrical data and dimensional informationWater-Source Heat Pump Selection Questions
Which projects suit a water-source heat pump chiller?
Commercial buildings, institutions and industrial projects with a suitable water loop or available heat source can use a water-source system for hydronic heating and cooling.
Can it support a boiler upgrade?
Yes. High-temperature hot-water operation can support building heating upgrades. Match the water-source conditions and heating temperatures to the existing distribution system.
What should I send for initial selection?
Share the project location, heating or cooling load and the available water-source temperatures. EXINDA can help identify the configuration and technical package for the next design stage.
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