-25c Split Type Evi Air Source Heat Pump for Water and Floor Heating

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Product Description

Basic Specifications
Model NO.
KDR
Work Environment
Low Ambient Temperature, Cold Climate
Heat Source
Air-source
Heating Type
Circulating Heat
Application
Villa Family, Sauna and Swimming Pool, Hotels, Factory Hospital, Student Apartments, Beauty Salons
Certification
CE, ISO9001, CCC, RoHS, SGS, TUV
Refrigerant
R32
Compressor
Panasonic
Heating Capacity
10kw - 30kw
Function
Hot Water and House Heating
Transport Package
Export Carton
Specification
1152x422X568mm
Trademark
OEM
Origin
China
Product Overview
Low-Ambient-Temperature Air source Energy Heat Pump Heating + Refrigeration Two-way Supply unit is design for northern cold-climate regions for centralized heating, household heating and central hot water in various enterprises and institutions.
The unit uses jet enthalpy-increasing technology (EVI), combined with perfect control logic, so that the unit can still work normally under the low temperature environment of -25ºC, and the energy efficiency ratio can still be as high as 200%. Under standard condition of ambient temperature of 20ºC, its heating efficiency can up to 400%.
It has great advantages of safe use, energy saving, clean, no emission, reliable and stable operation. Unit power from 3HP-30HP, a number of models can be selected, to meet the heating and hot water needs of different regions, different families and different units in the north in an all-round way.
Evi Air Source Heat Pump
Split Type Heat Pump
Water and Floor Heating
Key Features
  • Safety: water and electric separately.
  • Anti-corrosion: plastic, coated steel or SUS304# stainless steel cases.
  • Convenient: Intelligent microprocessor with touch screen display.
  • Protection: High/low pressure, overheating, and anti-freezing sensors.
  • All-weather: Stable operation regardless of weather conditions.
  • High Temp: Max outlet water temp 80°C. Works at -25°C.
  • EVI Tech: Copeland EVI R410A compressor integration.
  • Defrosting: Auto, Manual, and Ultra-low temp defrosting modes.
  • Design: Double side fan to avoid snow damage.
  • Efficiency: Double digital EEV and double timer for power saving.
Heat Pump Internal Structure
Heat Pump Components
Technical Diagram
Successful Applications
Project Case 1
Project Case 2
Installation View
Commercial Application
Large Scale Project
System Layout
Frequently Asked Questions
● What is the lowest temperature this heat pump can operate in?
This unit is specifically designed for cold climates and can operate normally in ambient temperatures as low as -25ºC thanks to EVI technology.
● How efficient is the heating performance?
Under standard conditions (20ºC), the heating efficiency can reach up to 400%. Even in extreme cold, the energy efficiency ratio remains as high as 200%.
● What is the maximum water temperature the unit can provide?
The unit can produce a maximum outlet water temperature of 80°C, making it suitable for both house heating and domestic hot water.
● Does the system support automatic defrosting?
Yes, the unit features multiple defrosting modes, including automatic defrosting, manual defrosting, and specialized ultra-low temperature defrosting.
● What safety protections are included?
The system includes multiple protections: high/low pressure, overheating, overload, anti-freezing, phase sequence, and discharge/suction temperature monitoring.
● What are the typical applications for this heat pump?
It is ideal for villas, hotels, hospitals, student apartments, beauty salons, and swimming pools requiring consistent heating and hot water.

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