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Inverter High Temp. (Up to 90℃) Heat Pump Water Heater

  • W01R1 Series

  • Withair® / OEM brand as option

  • 8418612090

  • 20.6 ÷ 81.2 kW

  • 3.27 COP

  • Compressor - 5 year limited ; Other parts - 1 year limited

  • R410A, R134a as option

  • Scroll type; Copeland, Danfoss, Daikin, HITACHI, Panasonic, MITSUBISHI

  • High efficiency heat exchanger

  • High efficiency heat exchanger

  • Commercial Use, Industrial Use

  • 380V/3Ph/50Hz (400V/415V/3Ph/50Hz, 208V/380V/460V/3Ph/60Hz as option)

  • Withair® DC Inverter High Temperature (90℃) Heat Pump Water Heaters Catalogue (2022 Version).pdf


Product Overview

—— Product Description ——

Withair flexible high temperature DC inverter heat pump water heater unit with double compressors to producing hot water by two stage cascading operation. Best combination between the R410A excellent low-temperature characteristics and R134a high temperature properties.

The first stage equip MITSUBISHI R410A DC inverter compressor variable speed operation, following the different running conditions and the ambient temperature, let the first stage provides a stable condition for the second stage compression, then the second R134a compressor to achieve 90℃ hot water. Outlet hot water temperature can set from 55℃~90℃ as user requirement, so it is widely using home radiator heating by 65℃, 75℃,85℃ or 90℃ hot water for industry heating use --like a factory, textile, printing, and dying, military industry, steam line, ironing, explosive, medicine high-temperature sterilization line, oil drilling and so on. Suitable for high temperature hot water project and cold area heating project.

The scope of application: high temperature heat pump water heater can meet the heating demand of agricultural and sideline products processing industry, beverage processing industry, electroplating dyeing industry, textile printing and dyeing industry, drying industry, disinfection, oil drilling and so on.

—— The Key Advantages Include ——

●  The flexible scroll type high-temperature compressor;

●  Intelligent digital smart throttle technology;

●  High-temperature superconducting heat system;

●  High-efficiency brazing heat exchanger;

●  PLC precise connection electronic expansion valve;

●  Condensing pressure balance valve;

●  Environmental protection type high-temperature heat carrier;

●  The design is compact and reasonable, with perfect safety protection and low noise.

●  The maximum effluent temperature can reach 90℃, which can meet the needs of different applications.

—— Schematic Diagram ——

Schematic diagram of Withair 90℃ Heat Pump - 副本

—— Protection Devices ——

Protection Devices of Withair 90℃ Heat Pump

—— Quality Supply Chain ——

Quality Supply Chain of Withair 90℃ Heat Pump

—— Installation Diagram ——

Single Unit Installation Diagram of Withair 90℃ Heat Pump

Modular Parallel Connecting Diagram of Withair 90℃ Heat Pump

Physical Data

Power supplyV/Hz 380~415/3/50 (60Hz as option) 
Rated heating capacitykW20.640.981.2
Rated heating input powerkW6.312.625.2
COP w/w3.273.253.23
Maximum input powerkW12.625.250.4
Maximum input currentA20.541.082.0
Hot-water yieldL/h230460920
First stage: R410A, second   stage: R134a
Hot water temperature range30~90
Working ambient temperature-20~45
CompressorFirst   stage
MITSHUBISHI R410A DC inverter compressor
second stage
R134a high temperature   compressor
Controller system
Smart full LCD display controller
Refrigerant side heat exchanger
316L High efficiency double wall plate heat   exchanger
Water side heat exchanger
High efficiency tank shell and tube heat   exchanger
Throttling method
Electronic expansion valve
Pressure device
Built-in high and low pressure sensor
Electronic components
Schneider AC contactor
System switching valve
High temperature solenoid valve
Noise leveldB(A)576567
Net weightKg150/180420/450850/890
Water connection pipeinchRc1"Rc1-1/2"Rc2-1/2"
Product dimension (L*W*H)mm1110*560*15801034*904*19131804*1034*1913


1. Heating condition: ambient air dry bulb temperature 20℃, wet bulb temperature 15℃.

3. Entering water temperature: 15℃, leaving temperature 90

4. All specifications are subject to change without prior notice, please refer to nameplates for the most accurate specifications

Packaging & Transportation


● Four steps of pakacges, plastic film, foam, carton and plywood for stable transporation.

● 100% test before deliverying products.
● Item shipped in 25 working days against payment depends on the quantity.
● Products catalogue, installation & operation manual will be sent together.
● Tracking number will be sent to customer as soon as we ship the products.
● Ocean shipping, railway shipment and air transportation are acceptable according to customer demand.

Withair® provides two styles package for different transporation modes:

(1). St andard package(free of charge): unit is wrapped with plastic film, foam and carton, which is suitable for container shipment & a few transshipment cargo;
          withair heat pump_carton package-       
(2). Special pac kage(extra charge): unit is wrapped with plastic film and wooded box, which is suitable for bulk cargo transporation; 
       Withair Heat Pumps package by wooden box

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   Withair Group (China) Limited
   Withair (Nanjing) Industries Co., Ltd
    Office number: + 86 25 86696286
    Mobile number: + 86 13915928183 (WhatsApp)
    E-mail address: info@withair.cn ; jed@withair.cn
    Factory A: No.6 Lukou Chuangzhi Industrial Park, Nanjing,China,211113
    Factory B: No.9 Dongshan Bridge Industrial Park, Nanjing,China,211153
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