The Panasonic solution for chilled
and hot water production!

From 28 kW to 80 kW

For hydronic applications
Water Heat Exchanger (WHE) for ECOi. Operation and control by timer remote control CZ-RTC4. Energy-efficient capacity control. Stainless steel plate heat exchanger with anti-freeze protection control. Change-over between heating and cooling operation.

· A Class Pump Included
· 4 Way Valve Included
· Optimized Heat Exchanger
· 1.056 X 570 X 1.010 (H X W X D)
· Water Connections R2”F
Key benefits:
  • No cascade installation up to 80 kW with GHP outdoor unit and 51,3 kW with ECOi
  • Full line-up of outdoor units which can cover up to 80 kW heat demand
  • Large choice of remote controls and interfaces
  • 3,25 COP with water at 45°C and outdoor temperature of +7°C
With ECOi outdoor units
  • Maximum hot water outlet temperature: 45°C
  • Minimum chilled water outlet temperature: 5°C
  • Outdoor temperature range in cooling mode: +5°C to +43°C
  • Outdoor temperature range in heating mode: -11°C to +15°

ECOi Water Heat Exchanger

Electrical VRF with Water Heat Exchanger
  • With this easy to install Water Heat Exchanger unit, you can now cover projects up to 51 kW hot water demand or 44 kW on chilled application on a efficient way and cost effective.
System example: 1. Outdoor unit / 2. ECO G chiller Water Heat Exchanger / 3. Refrigerant piping / 4. Water piping / 5. Buffer tank 500l Min. / 6. Fan coil unit / 7. Floor heating / 8. Air handling unit / 9. Duct
A Buffer Tank of minimum 500l is always needed
New Electrical panel with new algorithm

  • Optimized heat exchanger to increase drastically the efficiency
  • Liquid receiver to outperform the functionality of the WHE
  • Unique 4 way valve in order always have counterflow fluid circulation in heating and cooling fluid circulation on both sides of the cross flow. This optimizes efficiency!
1. On cooling mode / 2. Refrigerant side / 3. Water side / 4. Heat exchanger / 5. On heating mode

GHP + WHE heating, cooling and DHW

For hydronic applications
Excellent applicability when there is a thermal demand for heat, DHW and cooling, as well as additional thermal usages such as swimming pools, SPA, laundries: Hotels, sports centers, hospitals, gymnasiums, homes, shopping centers, etc.

· More efficient than Gas Boilers and Chillers
· Heating, Cooling and DHW
· Increased Energy Efficiency and Low CO2 EM
The ECO G solution for gas boiler replacement
  • Combined with a Water Heat Exchanger unit, the Panasonic GHP can create a flexible system, the ideal replacement for existing chiller and boiler systems in order to increase efficiency and reduce CO2 emissions.
  • Reused heat from the engine is an alternative to thermal solar energy
  • No defrost cycle
  • Super silent outdoor units

  • No glycol needed as the hydromodule can be placed in heated part of building
  • Keep existing water installation and fan coils
  • Oversizing is reduced by keeping the power at a low temperature.
  • No need for cooling towers
  • Electrical demand spikes or possible costs derived from investments in new electrical infrastructures are lowered.
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Case Study, Hotel Application
35% Energy Saving
Example of Hotel renewal of existing Chiller and Boiler system with Panasonic GHP and Aquarea mixed solution.
GHP and Aquarea are the smart solution for renewal Chiller/Boiler applications with annual running cost savings around 13.600€.

1. Gas boiler / 2. Chiller / 3. Aquarea* / 4. GHP+WHE
* Electric to support pick of consumption on domestic hot water. ** COP including HSW (U-20GE2E8).
EER and COP calculated in primary energy.

With GHP outdoor units:
In heating mode, at very low outdoor temperature -21°C, the available power is maintained. No defrost cycle happens and stable heating comfort is guaranteed.
  • Hot water outlet temperatures from 35°C to 55°C
  • Chilled water outlet temperatures from -15°C to 15°C
  • Outdoor temperature range in cooling mode: -10°C to +43°C
  • Minimum outdoor temperature in heating mode: -21°C
ECO G Water Heat Exchanger. Mixed System Application
The GHP Multi System can have an indoor unit plus a GHP chiller. When the two systems are operated independently, an outdoor unit with 130% capacity can be connected

1. Outdoor unit / 2. ECO G chiller Water Heat Exchanger / 3. Buffer tank / 4. Control wiring / 5. Refrigerant piping / 6. Water piping / 7. Air handling unit / 8. Duct* / 9. Fan coil unit / 10. Floor heating
Note: The mode of running of outdoor unit depends on the Water Heat Exchanger’s mode. The water pump is not included in the Water Heat Exchanger unit. For simultaneous operation, however, the maximum capacity is 130%. Please inquire details of this system design of Panasonic. * Standard DX type indoor unit system.