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Direct Heating Air-to-Water Heat Pump Water Heaters
 
 
  • Capacity Range: 12 to 84 kW, 50 and 60 Hz
  • Refrigerant: HFC-R410A
  • Compressor Type: Hermetic Scroll
 
  • Applied range: DHW, floor heating, radiator heating, fan coil heating
  • Special compressor: specially designed for heat pump water heater
  • 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
  • Water exchanger: tube in tube heat exchanger, Internal spiral design, high thermal efficiency and effective to prevent scaling
Overview
Models

Specifications
 
WFYRS-11E1M WFYRS-19E2M WFYRS-38E2M WFYRS-42E2M WFYRS-76E2M
Heating Capacity (kW) 11.0 19.0 38.0 42.0 76.0
Rated Hot Water Output (L/h) 235 407 814 900 1628
Direct Heating Hot Water (℃) 55 55 55 55 55
Compressor Hermetic Scroll Hermetic Scroll Hermetic Scroll Hermetic Scroll Hermetic Scroll
Voltage 220~240 380~415 380~415 380~415 380~415
Frequency 50 and 60Hz 50 and 60 50 and 60 50 and 60 50 and 60
Refrigerant R410A R410A R410A R410A R410A
COP 4.40 4.55 4.59 4.57 4.56
Modbus RS485, BACnet communication interface Option Option Option Option Option
1 co
EVI Version Specifications
 
WFYRS-12E1PM WFYRS-21E2PM WFYRS-42E2PM WFYRS-84E2PM
Heating Capacity (kW) 12.0 21.0 42.0 84.0
Rated Hot Water Output (L/h) 257 450 900 1800
Direct Heating Hot Water (℃) 55 55 55 55
Compressor Hermetic Scroll Hermetic Scroll Hermetic Scroll Hermetic Scroll
Voltage 380~415 380~415 380~415 380~415
Frequency 50 and 60 50 and 60 50 and 60 50 and 60
Refrigerant R410A R410A R410A R410A
COP  at +20℃ 4.41 4.45 4.45 4.45
COP at +7℃ 3.75 3.86 3.88 3.88
COP at -12℃ 2.35 2.4 2.41 2.42
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
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