Panasonic CU-3Z52TBE Multi-Split Outdoor Unit
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The Panasonic CU-3Z52TBE is a versatile triple-port outdoor unit designed for multi-room climate control. Capable of connecting up to three indoor units, this system is perfect for larger residential properties where individual temperature control in bedrooms and living areas is required. By using a single outdoor unit, you reduce visual clutter on your property exterior while benefiting from the high efficiency of R32 refrigerant. The unit features an intelligent inverter system that adjusts power output based on demand, ensuring optimal comfort and lower electricity bills. It is fully compatible with the Panasonic Comfort Cloud app, allowing you to monitor and adjust settings remotely from your smartphone. Whether you need to heat a home office in winter or cool a living room during a summer heatwave, this unit provides consistent, reliable performance with whisper-quiet operation.
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Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Downloads & specs
More from Panasonic →Manufacturer instructions
The Panasonic CU-3Z52TBE is a professional-grade multi-split outdoor unit that must be installed by a qualified technician in compliance with local F-gas regulations. The unit requires a stable, level mounting surface capable of supporting its weight, with adequate clearance for airflow and maintenance access. Refrigerant piping must be connected using high-quality copper tubing, followed by a mandatory vacuum drying process to remove moisture and air from the system before opening the service valves. Electrical connections must follow the provided wiring diagrams, ensuring proper earthing and circuit protection. Once installed, the system requires a leak test and a functional test of all connected indoor units. Users should refer to the specific indoor unit manuals for pairing and operational setup. Always consult the official service manual for precise torque settings and refrigerant charging requirements.
Fixed units must be installed by a qualified F-gas engineer. Find an installer — we'll match you with a local HVAC professional.
Full Specifications
Description
The Panasonic CU-3Z52TBE is a versatile triple-port outdoor unit designed for multi-room climate control. Capable of connecting up to three indoor units, this system is perfect for larger residential properties where individual temperature control in bedrooms and living areas is required. By using a single outdoor unit, you reduce visual clutter on your property exterior while benefiting from the high efficiency of R32 refrigerant. The unit features an intelligent inverter system that adjusts power output based on demand, ensuring optimal comfort and lower electricity bills. It is fully compatible with the Panasonic Comfort Cloud app, allowing you to monitor and adjust settings remotely from your smartphone. Whether you need to heat a home office in winter or cool a living room during a summer heatwave, this unit provides consistent, reliable performance with whisper-quiet operation.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
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BroughtonReznor
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ClarkeBeldrayVYtronIXCostwaySuntec
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Panasonic
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Mitsubishi ElectricAnnual energy savings estimate
How much this A++-rated unit could save versus a standard C-rated model, based on your usage.
This unit
146 kWh/yr
EER 13
Standard model
237 kWh/yr
EER 8
Est. saving
£24.65
91 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 BTU). Actual savings vary with room size, climate and usage patterns.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 7 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1365
This AC / season
£455
You save / season
£910
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1685 kWh | £455 | Up to 300% | |
| Plug-in electric heater | 5056 kWh | £1365 | 100% | |
| Electric storage heater | 5056 kWh | £1365 | 100% |
Heat output estimated from this unit's 23,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →
Share your savings
This heat-pump AC costs only £455/season to heat a room vs £1365 for an electric heater - that's £910 saved. https://stockool.store/products/panasonic-cu-3z52tbe-multi-split-outdoor-unit
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