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  6. Water Heat Source Heat Pump Unit "WKP Series (Outdoor Air Processing Unit)"

Water Heat Source Heat Pump Unit "WKP Series (Outdoor Air Processing Unit)"

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last updated:Aug 29, 2025

NIPPON PMAC Co., Ltd.
NIPPON PMAC Co., Ltd.
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High-efficiency outdoor air processing unit that can use the same system's hot water piping as the PMAC unit!

The "WKP300C/400C/500C/800C/1000C" is an outdoor air treatment unit that can use the PMAC unit and hot water piping in the same system on the water-source heat pump "PMAC system." It operates on a two-pipe system, allowing for free cooling and heating operation for each unit. When cooling and heating loads coexist in the same hot water piping system, heat recovery between units can effectively utilize heat and promote energy savings. With high-efficiency operation through inverter control, it provides stable outdoor air treatment (primary treatment) throughout the year. 【Features】 ■ Free cooling and heating operation possible with a two-pipe system ■ High-efficiency operation through inverter control ■ Built-in evaporative humidifier ■ Front-open structure for easy maintenance ■ Built-in cleaning circuit for plate heat exchanger *For more details, please refer to the PDF materials or feel free to contact us.

    Unit ProductsUnit and other construction
WKP(150).jpg

Water Heat Source Heat Pump Unit "WKP Series (Outdoor Air Processing Unit)"

WKP(150).jpg
WKP(150).jpg
  • Related Link - http://www.pmac.co.jp/products/pmac/
  • Special site - Product/service details - https://pr.www.ipros.com/pmac/product/

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【Specifications】 《WKP300C》 ■Air supply volume (m3/h): 3,000 ■Cooling capacity (kW): 28.7 ■Heating capacity (kW): 34.1 ■Energy consumption efficiency Average cooling and heating: 4.91 《WKP400C》 ■Air supply volume (m3/h): 4,000 ■Cooling capacity (kW): 39.5 ■Heating capacity (kW): 45.2 ■Energy consumption efficiency Average cooling and heating: 4.96 《WKP500C》 ■Air supply volume (m3/h): 5,000 ■Cooling capacity (kW): 48.4 ■Heating capacity (kW): 55.9 ■Energy consumption efficiency Average cooling and heating: 4.87 《WKP800C》 ■Air supply volume (m3/h): 8,000 ■Cooling capacity (kW): 77.5 ■Heating capacity (kW): 89.0 ■Energy consumption efficiency Average cooling and heating: 4.97 《WKP1000C》 ■Air supply volume (m3/h): 10,000 ■Cooling capacity (kW): 95.7 ■Heating capacity (kW): 110.4 ■Energy consumption efficiency Average cooling and heating: 4.85 *For more details, please refer to the PDF document or feel free to contact us.

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Water Heat Source Heat Pump Unit "WKP Series (Outdoor Air Treatment Unit)"

Water Heat Source Heat Pump Unit "WKP Series (Outdoor Air Treatment Unit)"

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Water Heat Source Heat Pump Unit "WKP Series"

Water Heat Source Heat Pump Unit "WKP Series"

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Company information

NIPPON

NIPPON PMAC Co., Ltd.

Building materials, supplies and fixtures manufacturers

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NIPPON PMAC Co., Ltd. was established in 1972 and has been a pioneer in individual air conditioning systems, offering a variety of high-performance air conditioning units for nearly half a century, which have been adopted in various buildings. Our company is based on individual heat pump systems using water and air heat sources, and we plan and develop compact air conditioning units tailored to our customers' building needs. Moving forward, we will continue to meet diverse air conditioning needs and create "comfortable spaces."

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