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Screw type air-cooled chiller (heat pump) unit is a typical Air-to-Water air-conditioning system equipment, without complex cooling water systems such as cooling towers, so it can greatly reduce initial investment and maintenance costs, can achieve refrigeration, heating, domestic hot water and other functions with a lower initial investment and installation costs.
Type: HMAS Series Air Cooled Screw Type
Rated Cooling Capacity: 250kw-600kw
Rated Heating Capacity: 285kw-700kw
Operating Temperature Range: Cooling 17℃ -46℃
Screw type air-cooled chilled water (heat pump) unit is a typical Air-to-Water air-conditioning system equipment, without complex cooling water systems such as cooling towers, so it can greatly reduce initial investment and maintenance costs, can achieve refrigeration, heating, domestic hot water and other functions with a lower initial investment and installation costs. It is very simple and convenient to solve the problem of air conditioning heating in winter.
The unit has the characteristics of low energy consumption, low noise, flexible application, convenient installation and maintenance and high reliability. It is widely used in large hotels, shopping malls, restaurants, conference rooms, warehouses, production workshops, hospitals, bus stations, railway stations and other commercial and industrial places.
It is widely used in large hotels, shopping malls, restaurants, conference rooms, warehouses, production workshops, hospitals, bus stations, railway stations and other commercial and industrial places.
| Specifications | HMAS | Single cold type | 250A1 | 300A1 | 350A1 | 400A1 | 500A1 | 600A1 |
| Heat pump type | 250A1R | 300A1R | 350A1R | 400A1R | 500A1R | 600A1R | ||
| Rated cooling capacity | kw | 252 | 291 | 355 | 413 | 517 | 625 | |
| Rated heating capacity (heat pump type) | kw | 285 | 329 | 394 | 466 | 581 | 699 | |
| Rated cooling input power | kw | 83.7 | 95.5 | 118 | 135.4 | 168.1 | 200.9 | |
| Rated heating input power (heat pump type) | kw | 80.6 | 91.9 | 114 | 130.3 | 161.8 | 193.4 | |
| Single unit energy regulation | % | 0/25/50/75/100 | ||||||
| Power supply | V/Ph/Hz | 380V/3N一/50Hz(Three-phase four-wire system) | ||||||
| Operation control system | 一 | Microcomputer intelligent controller | ||||||
| Working environment temperature range | ℃ | Cooling 17℃-46℃;Heating -10℃-21℃ | ||||||
| Compressor | Type | 一 | Semi-enclosed screw compressor | |||||
| Quantity | Set | 1 | 1 | 1 | 1 | 1 | 1 | |
| Refrigerant | Type | 一 | R22 | |||||
| Air side heat exchanger | Type | 一 | Copper tube sleeve aluminum fin heat exchanger | |||||
| Fan type | 一 | Low noise axial fan | ||||||
| Number of fans | Set | 4 | 4 | 6 | 6 | 8 | 10 | |
| Air conditioner water side heat exchanger | Type | 一 | Shell and tube heat exchanger | |||||
| Water flow | m³/h | 43.3 | 50.1 | 61.1 | 71 | 88.9 | 107.5 | |
| Water pressure drop | kPa | 30~70 | ||||||
| Inlet and outlet pipe diameter | DN | 100 | 100 | 100 | 125 | 125 | 150 | |
| Dimensions | Length | mm | 3150 | 3150 | 4050 | 4050 | 5850 | 5850 |
| Width | mm | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | |
| Height | mm | 2430 | 2430 | 2430 | 2430 | 2430 | 2430 | |
| Unit weight | Net weight | kg | 2800 | 3000 | 3400 | 3600 | 3900 | 4200 |
| Operating weight | kg | 3080 | 3300 | 3740 | 3960 | 4290 | 4620 | |
Screw type air-cooled chilled water (heat pump) unit is a typical Air-to-Water air-conditioning system equipment, without complex cooling water systems such as cooling towers, so it can greatly reduce initial investment and maintenance costs, can achieve refrigeration, heating, domestic hot water and other functions with a lower initial investment and installation costs. It is very simple and convenient to solve the problem of air conditioning heating in winter.
The unit has the characteristics of low energy consumption, low noise, flexible application, convenient installation and maintenance and high reliability. It is widely used in large hotels, shopping malls, restaurants, conference rooms, warehouses, production workshops, hospitals, bus stations, railway stations and other commercial and industrial places.
HMAS-A series screw air-cooled chilled water (heat pump) unit adopts the domestic advanced modular design. Users can freely choose the module combination, which is easy to install and use, stable and reliable, and easily meet the air conditioning needs of different occasions. Each module has independent energy adjustment multi-stage design, higher efficiency, lower noise, longer life, and more accurate partial load adjustment.
Accurate and sensitive controller and humanized operation interface, all Chinese display, with multiple control functions such as status display, parameter setting, energy fuzzy control, fault protection and automatic diagnosis; Operating parameters of the unit such as the operating status and water temperature can be checked through the display screen, maximizing the operating energy efficiency and reliability of the unit, and automatically balancing the operating time between modules to improve the life of the unit.
The unit has low oil level, oil pressure difference protection, phase sequence, overload, overheating, anti-frequent start, high and low pressure protection; water system antifreeze and water cut protection; refrigerant system lack of refrigerant protection; condensing fan motor overheating protection, etc. There are also unit start and stop control, remote short-range control options, unit program settings, return water temperature control settings, high water temperature and low water temperature limit alarms, anti-icing protection settings, fault alarms and diagnostic functions.
The unit is delivered as a complete unit. The system has been filled with cyanide and refueled before leaving the factory. You only need to connect the water pipeline on site and turn on the unit after turning on the power. The internal compressor, refrigeration accessories and electric control system of the unit are all placed in the lower part of the unit as an open structure, which is easy for inspection and maintenance.
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