Midea 125RT/125RT Air Heat Pump Chiller DNL-4400/NSN1-R1 (Used) in Stock
This Midea DNL-4400/NSN1-R1 air source heat pump unit is an integrated cooling & heating dual-purpose heat pump equipment. It can provide chilled water for air conditioning cooling in summer and hot water for heating in winter. Serial No.: 20244301010451 Unit operation log: Circuit 1: 8191 running hours, 3026 start times Circuit 2: 5599 running hours, 5177 start times Water pump: 10770 running hours Adopt R410A refrigerant, stable operation, IPX4 waterproof grade, suitable for outdoor long-term installation. The unit is equipped with reliable protection system, compact overall structure, no need to match cooling tower, which saves civil construction cost and space. Before delivery, we will complete tightness inspection and commissioning test to guarantee stable operation after on-site installation.
Description
| Item | Specification |
|---|---|
| Model | DNL-4400/NSN1-R1 |
| Serial Number | 20244301010451 |
| Type | Air Source Heat Pump Unit |
| Rated Heating Capacity | 440.0 kW(125RT) |
| Rated Cooling Capacity | 440.0 kW(125RT) |
| Rated Power (Heating) | 145.0 kW |
| Rated Power (Cooling) | 141.0 kW |
| Max Input Power | 192.0 kW |
| Max Input Current | 316.2 A |
| Heating COP | 3.03 |
| Refrigerant | R410A |
| Refrigerant Charge | 47 kg |
| Power Supply | 380V, 3 Phase, 50Hz |
| Net Weight | 3870 kg |
| Dimension (L×W×H) | 4700 × 2300 × 2500 mm |
| Water Side Pressure Drop | 42 kPa |
| Protection Class | Class I / IPX4 |
| Max Working Pressure (Water Side / Refrigerant Side) | 1.0 MPa / 4.4 MPa |
| Circuit 1 Running Hours / Start Times | 8191 h / 3026 times |
| Circuit 2 Running Hours / Start Times | 5599 h / 5177 times |
| Water Pump Running Hours | 10770 h |
| Production Date | Sep, 2019 |
Advantages：
1,Compact integrated structure, convenient for hoisting and on-site installation; centralized piping layout reduces on-site welding work and lowers construction cycle and leakage risk.
2,Equipped with reliable multi-protection logic for high and low pressure, over-current, overheating and water flow, stable operation under fluctuating ambient temperature, less frequent shutdown for alarms.
3,High heat exchange efficiency, excellent part matching, low comprehensive energy consumption; stable cooling/heating output under partial load condition, good energy-saving performance for long-time continuous operation.
4,Independent water circuit design, strong anti-fouling performance, easy for routine maintenance and component replacement; compatible with remote monitoring interface to support centralized management.
5,Strict factory pressure test and commissioning, consistent operation performance; spare parts are common specifications, easy to source and shorten maintenance waiting time.
Application
1,Central air conditioning system for industrial workshops, factory buildings and production supporting facilities, providing stable cooling and heating for production environment.
2,Commercial complex, hotels, supermarkets and office buildings for centralized temperature control and constant temperature demand.
3,Constant temperature water system for aquaculture, material storage and other special scenarios that require continuous stable water temperature.
4,Supporting refrigeration & heating projects for logistics warehouses and data center auxiliary cooling.
5,District heating and cooling projects with medium and large cooling/heating load.
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