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Cascade Air Source Heat Pump 25Kw R410A Refrigerant 90 Degree Hot Water

Maanshan Ruika Metal Products Technology Co., Ltd.

Cascade Air Source Heat Pump 25Kw R410A Refrigerant 90 Degree Hot Water

Brand Name : LN

Model Number : 150kw

Certification : CE ISO CCC

Place of Origin : China

MOQ : 1 pc

Price : 1000

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 450000pcs/year

Delivery Time : 1-30 working days

Packaging Details : standard export package, or as per customer request

specification : 25-150kw

outdoor ambient temperature : -30°C

outlet water temperature : 85°C

ambient temperature : -35~50

defrosting : Intelligent rapid non-sensing

Remote Control : APP

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25 Kw Cascade Air Source Heat Pump R410A Refrigerant Output Of 90 Degree Hot Water

Introduction of 25 kw Cascade air source heat pump R410A refrigerant output of 90 degree hot water
For heat pumps, cascading is a solution to utilize the system between wider temperature differences of source and sink media. Consequently, more than one (for each cycle one) yet smaller compressors can be used which has favorable result of less energy deficiencies.

What is a cascade heat pump?

The cascade heat pump consists of 4 systems: the chilled water system, the low-temperature refrigeration cycle using R22, the high-temperature heat pump cycle using R134a and the hot water system. The cascade heat pump produces both chilled water for cooling application and hot water for heating application.

A cascade heat pump hot water system for high-temperature inactivation of the new coronavirus in medical sewage includes a cascade heat pump hot water subsystem and a high-temperature sterilization sewage treatment subsystem. The cascade heat pump hot water subsystem includes a first compression heating cycle and a The second compression and heating cycle, the first compression and heating cycle includes a first compressor, a condensing evaporator, a regenerator, a first throttle valve, and a compound evaporator that are connected in sequence; the second compression and heating cycle includes sequentially connected The second compressor, the air cooler, the second throttle valve and the condensing evaporator; the high temperature sterilization sewage treatment subsystem includes the sewage secondary treatment cycle and the heat storage standing pool. The system can not only perform high-temperature sterilization and sterilization treatment on sewage containing a large number of pathogenic microorganisms, chemical pollutants and radioactive pollutants, but also recover the waste heat of medical sewage to be discharged to preheat the sewage that has not been subjected to high-temperature sterilization. The energy saving advantage of the system is improved.

A method and device for controlling start-stop of a cascade heat pump defrosting compressor; the method comprises: detecting whether the first system satisfies the defrosting condition; if the first system satisfies the defrosting condition, according to a preset start-stop control The rules control the first primary compressor to be turned on for defrosting; control the second system to enter the heating mode; the embodiment of the present application coordinates the defrosting action of the compressor according to the start-stop control rules to avoid the cascade heat pump During defrosting, the primary side high pressure protection or the secondary side low pressure protection is triggered to improve the defrosting efficiency. At the same time, the second system is heated to avoid a sudden drop in water temperature and ensure the stability of the defrosting process.

Spec KFXRS-25II/GW KFXRS-52II/GW KFXRS-102II/GW KFXRS-150II/GW
voltage 380V 3N~50Hz 380V 3N~50Hz 380V 3N~50Hz 380V 3N~50Hz
Nominal heating capacity(hot water) 25kW 52kW 102kW 150kW
Nominal heating capacity input power 8kW 16.5kW 33kW 48kW
Low temperature heating capacity (hot water) 18kW 36.5kW 72kW 110kW
Low temperature heating input power 6kW 12kW 24kW 36kW
Maximum input power 13kW 26kW 52kW 78kW
Maximum operating current 35A 70A 140A 210A
Nominal heating capacity ( heating) 21kW 42kW 84kW 125kW
Nominal heating input power 7kW 14kW 28kW 42kW
Low temperature heating (heating) 18kW 36kW 79kW 108kW
Low temperature heating input power 6kW 12kW 24kW 36kW
Rated water flow 3.5m³/h 7m³/h 14m³/h 21m³/h
Refrigerant name/injection amount R410A/R134a(5500g/4200g) R410A/R134a(5500g/4200g)*2 R410A/R134a(5500g/4200g)*4 R410A/R134a(5500g/4200g)*6
water side resistance ≤55kPa ≤65kPa ≤85kPa ≤95kPa
noise ≤62dB(A) ≤68dB(A) ≤72dB(A) ≤76dB(A)
Allowable working pressure on exhaust
/suction side
4.5MPa/0.15MPa 4.5MPa/0.15MPa 4.5MPa/0.15MPa 4.5MPa/0.15MPa
High pressure/low pressure side maximum allowable pressure 4.5MPa 4.5MPa 4.5MPa 4.5MPa
Maximum working pressure of heat exchanger 4.5MPa 4.5MPa 4.5MPa 4.5MPa
size (L*W*H)mm 780*820*1780 1550*780*1780mm 1570*1550*1850mm 2360*1550*1850mm
Weight 160kg 318kg 630kg 950kg
Anti-shock level I
waterproof level IPX4 IPX4 IPX4 IPX4
Connection DN32(outside) DN40(outside) DN54(flange) DN65(flange)
Unit Price usd/set 3607 6725 13115 19680
Heating conditions: (hot water):
The ambient dry bulb is 20°C, the ambient wet bulb is 15°C, the initial water temperature is 15°C, and the final water temperature is 75°C.
Environmental dry bulb -7°C, ambient wet bulb -8°C, initial water temperature 6°C, and end water temperature 75°C.
Terminal universal heating unit
Heating condition: (heating)
The ambient dry bulb is 7°C, the ambient wet bulb is 6°C, and the effluent water temperature is 75°C.
Environmental dry bulb -7°C, ambient wet bulb -8°C, effluent water temperature 75°C.


Cascade Air Source Heat Pump 25Kw R410A Refrigerant 90 Degree Hot Water


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