Description

GOODHEAT 320L HEAT PUMP WATER HEATER

Detailed Description, Technical Specifications and Advantages

1. Product Description

The GOODHEAT 320L Heat Pump Water Heater is a high-efficiency hot water heating solution designed for residential, commercial and institutional applications. It provides a reliable supply of hot water while significantly reducing electricity consumption compared with conventional electric water heaters.

Unlike traditional electric geysers, which generate heat directly using electrical resistance elements, the GOODHEAT heat pump extracts heat energy from the surrounding air and transfers it to the water stored in its 320-litre tank. This technology enables the system to produce substantially more heat energy than the electrical energy it consumes.

The unit features advanced Full DC Inverter technology, an environmentally friendly R290 refrigerant, an efficient microchannel heat exchanger and intelligent temperature control. These technologies work together to improve heating efficiency, maintain a consistent hot water supply and reduce operating costs.

With a generous 320-litre storage capacity, the system is suitable for homes with multiple bathrooms, apartments, guest houses, hotels, restaurants, salons, schools and other facilities that require substantial quantities of hot water.

The GOODHEAT 320L model can heat water to a maximum temperature of approximately 75°C under suitable operating conditions, making it suitable for a wide range of domestic and commercial hot water applications.

2. Key Technical Specifications

The following specifications are for the GOODHEAT GHWVSH-320AA1 model.

Note: Specifications are based on published information for this model. Confirm the supplied unit’s nameplate and manufacturer’s datasheet before installation, particularly the electrical input, backup heater configuration and physical dimensions.

3. Major Features and Their Benefits

A. Energy-Efficient Full DC Inverter Technology

The GOODHEAT 320L uses Full DC Inverter technology to regulate the operation of its compressor and fan according to heating demand.

Instead of continuously operating at a fixed speed, the system can adjust its output to suit the water temperature and heating requirements.

Benefits:

• Reduces unnecessary electricity consumption.
• Helps maintain a stable water temperature.
• Improves overall operating efficiency.
• Supports quieter operation.
• Reduces the need for frequent full-power operation.

This technology makes the system particularly attractive to homeowners and businesses seeking to reduce their long-term water heating expenses.

B. High Heating Efficiency with a COP of 5.2

One of the most important features of the GOODHEAT 320L is its published Coefficient of Performance (COP) of 5.2.

A COP of 5.2 means that, under the specified test conditions, the heat pump can deliver approximately 5.2 units of heat energy for every unit of electrical energy consumed.

For example, at a rated electrical input of approximately 0.577 kW, a heating output of around 3.0 kW is possible under the manufacturer’s rated conditions.

This makes the heat pump significantly more energy-efficient than conventional electric resistance water heaters.

Actual performance and electricity consumption will vary depending on ambient temperature, incoming water temperature, desired water temperature and hot water usage.

C. Large 320-Litre Water Storage Capacity

The system features a 320-litre storage tank designed to provide hot water for households and businesses with relatively high demand.

Its storage capacity makes it particularly suitable for properties where several people may require hot water throughout the day.

Benefits:

• Provides a substantial reserve of hot water.
• Supports multiple domestic hot water applications.
• Reduces the need for frequent reheating when sufficient hot water is available.
• Suitable for larger households and selected commercial establishments.
• Can help meet the hot water requirements of guest houses, apartments and hospitality facilities.

The actual number of users the system can serve depends on their water consumption, shower flow rates, incoming water temperature and the temperature at which the stored water is maintained.

D. Environmentally Friendly R290 Refrigerant

The GOODHEAT 320L uses R290 refrigerant, a natural refrigerant with a very low global warming potential.

R290 has a Global Warming Potential (GWP) of approximately 3, making it a more climate-friendly option than many conventional refrigerants with higher global warming potentials.

Benefits:

• Reduces the potential climate impact associated with refrigerant leakage.
• Supports more environmentally responsible water heating.
• Offers favourable thermodynamic properties for efficient heat transfer.
• Helps reduce the environmental footprint of the water heating system.

Because R290 is flammable, installation, servicing and refrigerant handling must be carried out in accordance with the manufacturer’s safety requirements by appropriately qualified technicians.

E. High-Temperature Hot Water Output

The GOODHEAT 320L is designed to heat water to a maximum temperature of approximately 75°C under suitable operating conditions.

This provides flexibility for applications requiring higher water temperatures than those typically maintained in conventional domestic hot water storage systems.

Benefits:

• Supports bathing and showering requirements.
• Provides hot water for kitchen and cleaning applications.
• Offers flexibility for selected commercial hot water uses.
• Allows users to adjust temperature settings according to their needs.

For domestic use, hot water at these temperatures can cause serious scalding. A suitable thermostatic mixing valve should be installed where necessary to deliver water at a safe temperature to taps and showers.

F. Quiet Operation

The manufacturer’s published specifications indicate a noise level of approximately 43 dB(A).

This relatively low operating noise makes the unit suitable for many residential and commercial environments where noise management is important.

Benefits:

• Helps maintain a comfortable home environment.
• Suitable for installation near residential buildings when appropriately positioned.
• Reduces noise disturbance compared with some louder heating equipment.
• Supports a more comfortable environment in guest houses and hospitality facilities.

Actual noise levels depend on installation conditions, airflow, distance and operating load.

G. Intelligent Defrosting System

The system incorporates a four-way valve defrosting arrangement designed to manage frost accumulation on the heat exchanger when operating under conditions that cause frosting.

Benefits:

• Helps maintain heat exchange performance.
• Supports reliable operation in cooler conditions.
• Reduces performance losses associated with frost accumulation.
• Helps the unit operate more consistently across its specified ambient temperature range.

H. Advanced Microchannel Heat Exchanger

The GOODHEAT 320L uses microchannel heat exchanger technology to facilitate efficient heat transfer between the refrigerant and the water heating system.

Benefits:

• Supports efficient heat transfer.
• Contributes to the system’s high heating performance.
• Works alongside inverter technology to improve overall efficiency.
• Supports compact equipment design.

I. Smart Control and Temperature Management

The GOODHEAT product range offers smart-control features, including Wi-Fi and app-based remote management on the applicable model configuration.

These features can allow users to adjust temperature settings, manage heating schedules and monitor operation remotely.

Benefits:

• Convenient control of hot water production.
• Easier adjustment of operating temperatures.
• Better management of heating schedules.
• Greater convenience for property owners and facility managers.

Important: Confirm that Wi-Fi connectivity and the required communication module are included in the specific unit supplied.

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4. Advantages of the GOODHEAT 320L Heat Pump

1. Significant Electricity Bill Savings

The heat pump transfers energy from the surrounding air rather than relying solely on electricity to generate heat directly.

Under suitable operating conditions, its high COP can substantially reduce the electricity required for water heating.

This makes it an attractive alternative to conventional electric geysers for households and businesses with regular hot water consumption.

Actual savings depend on the existing water heating system, electricity tariff, usage patterns and operating conditions.

2. Suitable for Homes with Multiple Bathrooms

The 320-litre tank provides a substantial hot water reserve for larger households.

It can be suitable for homes with several bathrooms, provided the system is correctly sized for the occupants’ daily hot water demand.

3. Ideal for Commercial Hot Water Applications

The GOODHEAT 320L can serve a variety of commercial applications, including:

• Hotels and guest houses.
• Serviced apartments and Airbnb properties.
• Restaurants and commercial kitchens.
• Salons and barber shops.
• Schools and staff accommodation.
• Small hospitality establishments.
• Residential apartments.

Facilities with exceptionally high hot water demand may require multiple units or a larger commercial heat pump system.

4. Reduced Operating Costs

Because the heat pump can deliver several units of heat per unit of electricity consumed under rated conditions, it can help businesses reduce recurring water heating expenses.

This is particularly valuable for facilities where hot water is required every day, such as hotels, guest houses, salons and restaurants.

5. Environmentally Responsible Heating

The combination of efficient heat transfer and R290 refrigerant provides an environmentally conscious alternative to conventional electric water heating.

Lower electricity consumption can also reduce indirect emissions where electricity is generated from fossil fuels.

6. Potential Integration with Solar PV Systems

For properties with solar photovoltaic installations, the GOODHEAT 320L may offer an opportunity to reduce water heating costs further by operating during periods of strong solar generation.

A suitable system design can coordinate water heating with available solar energy, helping the property use more of its own generated electricity.

However, the unit’s standard electrical supply is 220–240 V AC. Any solar integration must use a compatible electrical arrangement, inverter and control strategy. Do not connect solar panels directly to the heat pump’s AC input.

7. Convenient All-in-One Design

The integrated water tank and heat pump combine the principal water heating components in one appliance.

This can simplify system planning compared with arrangements that use separate heating equipment and storage tanks, subject to the installation requirements of the property.

8. Suitable for Different Property Types

With its substantial storage capacity and efficient heating technology, the unit can serve both domestic and selected commercial applications.

It is particularly attractive where users need a combination of energy savings, a large hot water reserve and automated temperature management.

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5. GOODHEAT 320L vs Conventional Electric Geyser

The heat pump generally offers lower running costs, although the initial purchase price and installation requirements may be higher.

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6. Installation Considerations

For the best performance from the GOODHEAT 320L, the following installation considerations are important:

Adequate airflow: Install the unit in a suitable location that allows unrestricted air intake and horizontal discharge in accordance with the manufacturer’s clearance requirements.

Structural support: The installation surface must safely support the appliance’s operating weight, including the water stored in the tank. A 320-litre tank contains approximately 320 kg of water when full, in addition to the unit’s own weight.

Electrical protection: Provide a suitable electrical supply, protective circuit breaker, earthing and other electrical protection as required by the manufacturer’s instructions and applicable electrical regulations.

Water connections: Install the appropriate water supply and hot water distribution pipework, isolation valves and pressure protection.

Drainage: Provide suitable drainage for condensate and any other water discharged during normal operation or maintenance.

Safe water temperature: Install a thermostatic mixing valve where required to prevent scalding.

Professional commissioning: Have the system installed and commissioned by a qualified technician who can verify water flow, electrical protection, temperature settings and correct operation.

7. Warranty and Maintenance

The warranty period should be confirmed against the specific unit supplied and the manufacturer’s warranty documentation. Published product information indicates a five-year warranty, but the coverage and conditions may vary by market and component.

For reliable long-term operation, recommended maintenance includes:

• Inspecting the air intake and discharge areas.
• Checking water connections for leaks.
• Inspecting electrical connections and protective devices.
• Checking condensate drainage.
• Verifying temperature controls and system performance.
• Arranging periodic professional servicing.

Routine maintenance helps preserve efficiency and supports the reliable operation of the system.

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8. Conclusion: Why Choose the GOODHEAT 320L?

The GOODHEAT 320L Heat Pump Water Heater is a practical solution for households and businesses seeking a large hot water storage capacity without the high electricity consumption commonly associated with conventional electric water heaters.

Its combination of a 320-litre tank, Full DC Inverter technology, a published COP of 5.2, R290 refrigerant, intelligent defrosting and high-temperature water output makes it a compelling option for modern residential and commercial water heating.

For homeowners, it offers the potential for lower electricity bills and a substantial reserve of hot water. For hotels, guest houses, restaurants and apartments, it provides an energy-efficient approach to meeting regular hot water demand.

The bottom line: If you need a large-capacity water heating system that prioritises energy efficiency, reliable hot water availability and reduced running costs, the GOODHEAT 320L Heat Pump Water Heater is worth considering.

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