Rinnai Commercial Heat Pump - 25.0kW (CHP25)

R290 Commercial Heat Pump 25.0kW

Engineered for Efficiency. Built for Reliability.

Designed for high-demand commercial environments, the Rinnai R290 25.0kW Commercial Hot Water Heat Pump offers outstanding energy efficiency, dependable year-round performance, and environmentally conscious hot water delivery.

Highlights

  • Ideal for apartment blocks, hotels and student accommodation
  • Heavy-duty galvanised steel construction and flexible installation options for a wide range of commercial applications
  • Environmentally conscious R290 refrigerant with a small, optimised low GWP charge (GWP less than 3)
  • Class-leading efficiency and dependable performance across ambient temperatures from -5°C to +50°C, with hot water delivery up to 70°C
  • Integrated circulation pump with a corrosion-resistant double-wall stainless steel heat exchanger
  • Flexible indoor or outdoor installation with reverse-cycle defrost functionality
  • Easy commissioning and diagnostics via the Carel Applica app, backed by comprehensive built-in safety features
  • Easy monitoring and control via a digital display, with robust, corrosion-resistant construction for reliable performance

Specifications

Product Dimensions

Height x Width x Depth

1079 x 780 x 1550 mm

Nominal Weight3

 

237 kg

Voltage/Phase

400-415V/3Ph+N/50Hz

Heating Capacity1

25 kW

Power Input2

5.7 kW

Coefficient of Performance (COP)1

4.4

Rated Load Amps Per Phase3

15.5 A

Full Load Amps Per Phase4

18.5 A

Minimum Circuit Size (Per Phase)

20 A

Conductor Cross-sectional Area

Refer to AS / NZS 3000 & AS / NZS 3008

WaterMark Certified

Yes

Operating Range (Ambient)1

-5 - 50 °C

Refrigerant System

R290

Number of Refrigeration Circuits

1

Refrigerant Charge

1.75 kg

Compressor Type

Scroll

Compressor Quantity

1

Outdoor Fans

Hybrid Axial

Outdoor Fan Speed Control

Variable

Outdoor Fan Quantity

2

Air Heat Exchanger Type

High Corrosion Resistance Hydrophilic Fin-tube

Air Heat Exchanger Quantiy

1

Nominal Airflow

2500 L/s

Water / Refrigerant Heat Exchanger

Double Wall Stainless Steel 316L

Water / Refrigerant Heat Exchanger Quantity

1

Throttle

Electronic Expansion Valve

Defrost

Reverse Operating

Rated Sound

Pressure Level @ 3m

57 dB(A)

Cabinet Ingress Protection (IP) Rating

IPX4

Rated Water Flow Rate

54 L/min

Water Pump Model

CM 3-2

Water Pump Electrical Supply

1PH 230V~50Hz

Pressure Drop Inside Unit

35 kPa

Available Outer Water Head

9 m

Water Connections

R 1¼ MBSP

Rated Water Pressure

1000 kPa

Supply Water Pressure Maximum

800 kPa

Expansion Control Valve (ECV) Fitted

Fit Pressure Limiting Valve (PLV) if mains pressure exceeds

680 kPa

Recommended PLV Pressure Rating

500 kPa

Pressure Limits – ECV Not Fitted

Fit PLV if mains pressure exceeds

800 kPa

Recommended PLV Pressure Rating

500 kPa

Maximum Return Water Temperature

65 °C

Maximum Outlet Water Temperature

70 °C


With our policy of continuous improvement, we reserve the right to change, or discontinue at anytime, specifications or designs without notice.
Note: The heat pump must be installed in a freely ventilated space in accordance with the nominated installation clearances. Insufficient ventilation may impede product performance and efficiency.

1. Test Condition: 20°C ambient / 60% RH. 39°C water in / 45°C water out.
2. Water pump power is not included.
3. R.L.A – Run Load Amps are based on current drawn at nominal conditions @ 65°C water temperature.
4. F.L.A – Full Load Amps are based on overload settings (max current) of all compressor, fan motor(s) and pump(s) @ 65°C water temperature.
5. For base model only. Factory options will vary.

Product Dimensions

Height x Width x Depth

1079 x 780 x 1550 mm

Nominal Weight3

 

237 kg

Voltage/Phase

400-415V/3Ph+N/50Hz

Heating Capacity1

25 kW

Power Input2

5.7 kW

Coefficient of Performance (COP)1

4.4

Rated Load Amps Per Phase3

15.5 A

Full Load Amps Per Phase4

18.5 A

Minimum Circuit Size (Per Phase)

20 A

Conductor Cross-sectional Area

Refer to AS / NZS 3000 & AS / NZS 3008

WaterMark Certified

Yes

Operating Range (Ambient)1

-5 - 50 °C

Refrigerant System

R290

Number of Refrigeration Circuits

1

Refrigerant Charge

1.75 kg

Compressor Type

Scroll

Compressor Quantity

1

Outdoor Fans

Hybrid Axial

Outdoor Fan Speed Control

Variable

Outdoor Fan Quantity

2

Air Heat Exchanger Type

High Corrosion Resistance Hydrophilic Fin-tube

Air Heat Exchanger Quantiy

1

Nominal Airflow

2500 L/s

Water / Refrigerant Heat Exchanger

Double Wall Stainless Steel 316L

Water / Refrigerant Heat Exchanger Quantity

1

Throttle

Electronic Expansion Valve

Defrost

Reverse Operating

Rated Sound

Pressure Level @ 3m

57 dB(A)

Cabinet Ingress Protection (IP) Rating

IPX4

Rated Water Flow Rate

54 L/min

Water Pump Model

CM 3-2

Water Pump Electrical Supply

1PH 230V~50Hz

Pressure Drop Inside Unit

35 kPa

Available Outer Water Head

9 m

Water Connections

R 1¼ MBSP

Rated Water Pressure

1000 kPa

Supply Water Pressure Maximum

800 kPa

Expansion Control Valve (ECV) Fitted

Fit Pressure Limiting Valve (PLV) if mains pressure exceeds

680 kPa

Recommended PLV Pressure Rating

500 kPa

Pressure Limits – ECV Not Fitted

Fit PLV if mains pressure exceeds

800 kPa

Recommended PLV Pressure Rating

500 kPa

Maximum Return Water Temperature

65 °C

Maximum Outlet Water Temperature

70 °C


With our policy of continuous improvement, we reserve the right to change, or discontinue at anytime, specifications or designs without notice.
Note: The heat pump must be installed in a freely ventilated space in accordance with the nominated installation clearances. Insufficient ventilation may impede product performance and efficiency.

1. Test Condition: 20°C ambient / 60% RH. 39°C water in / 45°C water out.
2. Water pump power is not included.
3. R.L.A – Run Load Amps are based on current drawn at nominal conditions @ 65°C water temperature.
4. F.L.A – Full Load Amps are based on overload settings (max current) of all compressor, fan motor(s) and pump(s) @ 65°C water temperature.
5. For base model only. Factory options will vary.

Resources

Specification

Commercial Heat Pump (CHP25/50) Specification Guide

Download
Operation-Manual

Commercial Heat Pump (CHP25/50) Operation and Installation Manual

Download
Installation-Manual

Commercial Heat Pump 3HP Auxiliary Relay Box Operation and Installation Manual

Download
Warranty

Commercial Hot Water Warranty Booklet

Download

Disclaimer / Footnotes

Product codes: CHP25

Need help finding the right product?

Our team can help you compare products, confirm installation requirements and connect you with a stockist.