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R134a PV Direct-Driven Split-Type Heat Pump Water Heater

  • PV direct supply with mains power supplementation, as listed in the specification.
  • MPPT function and DC inverter compressor and fan motor.
  • 200 / 300 / 500 L separate enamel tank options.
  • 4.5 / 5.0 / 5.0 kW rated heating capacity; COP 4.25 / 4.20 / 4.20.*
  • Optimal PV input voltage: 100–190 V DC; maximum PV input current: 18 A.
  • Recommended PV modules: 3 × 630 W / 50.2 V, subject to approved electrical design.

*At air DB/WB 20/15°C; water 15→55°C. Confirm final PV electrical limits and system configuration.

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Description
Specification
FAQ

Solar energy.

Stored as everyday comfort.

Combine PV input, inverter heating and separate storage in one hot-water system.

GOODHEAT R134a split heat pump water heater beside a home with rooftop solar panels

Use solar power.

Keep mains support.

The product specification describes photovoltaic direct supply with mains power supplementation. MPPT supports use of available PV power for domestic hot-water heating.

Optimal PV input voltage range: 100–190 V DC.

Maximum PV input current: 18 A.

Recommended modules: 3 × 630 W / 50.2 V; final string design requires approval.

Separate the units.

Plan the space.

A separate outdoor heat pump and storage tank form the refrigerant-cycle split system. Choose the two locations around ventilation, storage and the approved connection route.

Outdoor unit: 790 × 312 × 565 mm.

Separate tank storage: 200 / 300 / 500 L.

This is a refrigerant-cycle split system, not a water-cycle monobloc.

GOODHEAT R134a split system with an outdoor heat pump and indoor hot-water storage tank
GOODHEAT hot-water storage tank serving a contemporary home bathroom

Heat water for

your daily routine.

Listed rated outputs are 4.5 kW for the 200 L configuration and 5.0 kW for the 300 and 500 L configurations. Compare recovery performance at the stated air and water conditions.

Rated COP: 4.25 / 4.20 / 4.20.

Rated recovery: 100 / 110 / 110 L/h.

Rating: air DB/WB 20/15°C; water 15→55°C.

Inverter components.

Compact outdoor unit.

The latest specification lists a full DC inverter compressor and fan motor. Rated electrical input is 1.06 kW for the 200 L configuration and 1.19 kW for the 300 and 500 L configurations.

Declared ambient operating range: −7 to 46°C.

R134a refrigerant; IPX4 enclosure protection.

Actual consumption depends on demand, conditions and available PV energy.

机 GOODHEAT R134a DC inverter heat pump outdoor unit beside a landscaped home
GOODHEAT separate enamel hot-water storage tank in a residential utility room

Choose the tank.

Match peak demand.

The supplied specification lists enamel tanks in three volumes. The 300 and 500 L options share the same listed heating output, so a larger tank increases storage rather than rated recovery capacity.

200 L: Ø500 × 1716 mm.

300 L: Ø600 × 1700 mm.

500 L: Ø700 × 1750 mm.

Related Products

Plan solar-powered hot water for your home.

Share daily demand, available roof space, module specifications and location.

PV data highlighted.

System data clearly separated.

Based on the latest supplied 2025-08-29 workbook. PV input data are highlighted in green.
Volume 200L 300L 500L
Model GHWVSHST-200CA1 GHWVSHST-300CA1 GHWVSHST-500CA1
General Specifications
AC Power Supply (V / Ph / Hz) 208~240 / 1 / 50~60
Operating Ambient Temperature (°C) -7~46
Maximum Leaving-Water Temperature (°C) 75
PV Electrical Specifications — PV Series only
PV Max. Input Current (A) 18
Optimal PV Input Voltage Range (V) 100~190
Recommended PV Module Qty. (630 W / 50.2 V) (modules) 3
Heating Performance · Air DB 20 °C, WB 15 °C / Water inlet 15 °C, outlet 55 °C
Heating Capacity (W) 4500 5000 5000
Rated Power Input (W) 1060 1190 1190
Rated Current Input (A) 5.20 5.60 5.60
Coefficient of Performance (COP) 4.25 4.20 4.20
Maximum Power Input (W) 1500 1600 1600
Maximum Current Input (A) 8.50 9.30 9.30
Starting Current (A) 4.00 4.00 4.00
Hot-water Yield (L/h) 100 110 110
Electrical & Refrigerant Specifications
Max. Refrigerant-side Allowable Pressure (MPa) 3.20
Electrical Protection Class Class I
Water Proof Level IPX4
Water Connection G3/4
Acoustic Data
Noise Level [dB(A)] ≤52
Dimensions & Shipping
Net Weight —— Outdoor Unit (kg) 33
Gross Weight —— Outdoor Unit (kg) 49
Unit Dimensions —— Outdoor Unit (mm) 790×312×565
Packaging Dimensions —— Outdoor Unit (mm) 925×390×598
Net Weight —— Indoor Unit (kg) 70 90 130
Gross Weight —— Indoor Unit (kg) 79 110 148
Unit Dimensions —— Indoor Unit (mm) Ø500×1716 Ø600×1700 Ø700×1750
Packaging Dimensions —— Indoor Unit (mm) 610×610×1760 700×700×1760 800×800×1800

Rated recovery is not instantaneous tap flow. COP is a point rating, not a seasonal saving or guaranteed solar-energy fraction. The listed 75°C maximum is separate from the 15→55°C rating; confirm the heating mode and full operating envelope for higher-temperature use.


Do not use the older range as a current absolute input limit. Noise measurement distance and sound power/pressure definition are not stated. The 3.2 MPa figure is not a tank water-pressure rating.


The source feature list specifies a microchannel heating coil and enamel tank. The generic manual uses different heat-exchanger wording; confirm the delivered construction. Final nameplate and approved technical documents govern installation.

Plan solar-powered hot water for your home.

Share daily demand, available roof space, module specifications and location.

Confirm the electrical design.

Then plan the installation.

Does PV direct drive guarantee zero electricity bills?

No. Solar contribution depends on irradiance, module arrangement, water demand and operating conditions. The source describes mains supplementation; no fixed annual saving is guaranteed here.

Which PV voltage range should I use?

How many solar modules are recommended?

Is this a refrigerant-cycle split system?

Can the heat pump alone deliver 75°C at −7°C?

Are Wi-Fi and OTA included?

Why do the 300 and 500 L versions have the same recovery?

What should the installer confirm?

Plan solar-powered hot water for your home.

Share daily demand, available roof space, module specifications and location.

Description
Specification
FAQ
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