You are here: Home » Three-in-one Air-to-Water Heat Pumps
Three-in-one Heat Pumps for Cooling/Heating & Hot Water
  • Capacity Range: 8 to 60 kW, 50 and 60 Hz
  • Refrigerant: HFC-R410A
  • Compressor Type: Hermetic Rotary & Scroll
  • Power off memory function
  • Multiple protection functions
  • Unit runs or stop automatically according to water temperature
  • Connectivity, flexibility and serviceability enabled by smart controller
  • Electric expansion valve regulates the flow of refrigerant precisely
  • Air exchanger(Fins-coil) with hydrophilic coating
  • Intelligently & automatically judge the frosting degree & accurately defrost
  • Modbus RS485, BACnet communication interface
  • Automatic prevent freezing in the winter
  • Five working modes: cooling + hot water, cooling, heating, hot water, heating + hot water
/ co
WKS-08E1 WKS-12E1 WKS-25E2M WKS-60E2M
Capacity (Ton) 2.0 3.5 7.0 20.0
Rated Hot Water Output (L/h) 235 428 857 1929
Hot Water Up To (℃) 60 60 60 60
Compressor Hermetic Scroll Hermetic Scroll Hermetic Scroll Hermetic Scroll
Voltage 230 230/380~415 380~415 380~415
Frequency 50 and 60 50 and 60 50 and 60 50 and 60
Refrigerant R410A R410A R410A R410A
COP 6.3 6.4 6.5 6.3
Modbus RS485, BACnet communication interface Option Option Option Option
Factory Installed Options
    Unit Options
  • Wide Ambient Operation
  • Frost Prevention Kit
  • Electric Heaters
  • Expansion Tank
  • Vibration Isolators
  • Sound Attenuation
  • Suction Shutoff Valves
  • Liquid Line Solenoid Valve
  • Evaporator Inlet Strainer
  • Double Evaporator Insulation
  • Complete Coat Condenser Coil
  • Corrosion Protected Condenser Coil
  • Metal Mesh for Condenser Coil Protection
  • Integrated Pump Packages
  • Condensate Overflow Switch
  • High Efficiency Inverter Compressor
  • High Efficiency EC Fan
  • High Fault Short Circuit Current Rating
  • Microchannel Condenser Coil
  • Stainless Steel Heat Exchanger
  • Stainless Steel Frame
  • Flanged Water Connection Kit

    Controls Options
  • Modbus, BACnet Communications Interface
  • Withair® Wireless Components
  • Door Mounted User Display
  • Remote User Interface
  • Fault Detection & Diagnostics
  • Flow Switch
  • Remote Input
  • Remote Output
    Electrical Options
  • Quick Start and Fast Loading
  • Circuit Breaker
  • High Short Circuit Current Rating
  • Ground Fault Protection
  • 115V Convenience Outlet
  • Power Connections
  • Multi-Point Power with Disconnect Switch
Additional Services to Help You Succeed
Other Products You Might be Interested In
You know your project goals. We’ve got the equipment, jobsite expertise and full-on commitment to help you make them a reality.
Universal Type Fan Coil Units
High Static Pressure Ducted Fan Coil Units
4-Way Ceiling Cassette Fan Coil Units
Air Handling Units
Get In Touch With Us
We are here to help you.

By submitting this form, I understand that I am providing express consent for Withair® to contact me about this request or similar topics. I know that I can opt-out from future communication at any time.

Looking For Parts?
For General & Company Questions?


Copyright  2006 ~ 2023  Withair Group (China) Limited.