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180L-260L R410A Monoblock Air to Water Heat Pump

Model Number: KR23/150DNW-D6  & KR23/200DN1W-D6 & KR23/250DN1W-D6
Application: both indoor basement/kitchen and outdoor balcony
Operation mode: Heat pump mode , electric heating mode,
automatic mode.
Installation: Freestanding
Storage / Tank-less: S

180L-260L R410A Monoblock Air to Water Heat Pump Applications

Monobloc heat pump with special integrated design, is the best choice for sanitary hot water supply. You can place it in both indoor basement/kitchen and outdoor balcony with simple installation. The heating efficiency is 3 time higher than traditional gas/electrical water heater,which will obviously save your cost.

Key Features 
User-friendly Display
The display on the unit is with a 5-inch touch color screen which is quite easy for the users to operate. 

Reliable Water Temperature Outlet
The max. outlet water temperature of the unit is up to 60oC, always supplying reliable and sufficient hot water.
The system runs safely, steadily and reliably thanks to our full protection: high temperature protection, compressor overload & overheat protection, power phase sequence & over/under voltage protection,etc.

Flexible Installation
The Cuboid shape modu le design of the unit makes the project installation saving more space.

Remote control
BMS contact point / modbus support(with RS485) to cloud, realize remote control function optional
Low noise and vibration 
Auto-defrosting program 


Model No.

KR23/150DNW-D6  & KR23/200DN1W-D6 & KR23/250DN1W-D6

Standard configuration


Rotary compressor

Heat exchanger

Cooper tube coil heat exchanger 

Expansion valve

Saginomiya /sanhua EEV


AUTO -defrosting (reversing)

Technical specification


operation ambient temp.

-7℃ - 43℃



Test condition: ambient temperature DB20℃/WB15℃,to heat initial water water temperature from 15℃to 55℃。

Main Parts

High-performance FM
It use outer rotor axial flow silent fan with five-leaf balanced aluminum alloy wind wheel. It has the advantages of corrosion resistance, large air volume and low noise.

Patent louvered casing
Tongyi’s patent louvered casing can better for waterproof,windproof and dust-proof. Patent no.:CN201030670236.9.

EEV,precise flow control
Wide working temperature range, faster and more accurate refrigerant flow control than capillary and mechanical expansion valve. Best choice to achieve higher efficiency and energy-saving.

Eco friendly foam, high efficient for keep heat
The water tank is made of 50mm thick ECO friendly polyrethane foam layer ,and the one-time high-density foam molding technology for high efficient to keep heat.

Micro-channel heat coil
Tongyi’s Micro-channel heat coil is high heat efficiency increased by 40%.Patent no.:CN201020131634.8