Panasonic S-50PY3E PACi NX 5.0kW 4-Way 60x60 Cassette Indoor Unit – nanoe X, R32
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The Panasonic S-50PY3E is a 5.0kW PACi NX 4-way compact cassette that drops straight into a standard 600 × 600mm ceiling grid – the discreet choice for offices, shops and meeting rooms.
It needs only 250mm of ceiling depth and shows just 30mm below the ceiling once the CZ-KPY4 panel is fitted. Four independently motorised flaps direct air exactly where it is needed and reduce cold draughts, while nanoe X Generator Mark 2 improves indoor air quality. An internal cleaning function runs drying and nanoe X circulation after cooling to suppress mould in the fan, coil and airflow path.
The PY3 delivers class-leading efficiency – up to A++ with PACi NX Elite outdoor units – and supports single, twin, triple and double-twin systems with simple 3-wire connection for refurbishments. CONEX controls, IoT integration and optional Wi-Fi are all supported.
Key features
- Fits standard 600 × 600mm ceiling grids
- Only 250mm ceiling depth, 30mm exposed
- Four motors for individual flap control
- nanoe X Generator Mark 2 and internal cleaning function
- Single, twin, triple and double-twin capable
- 3-wire connection for easy refurbishment
- CONEX compatible; optional commercial Wi-Fi adaptor
- Low-GWP R32 refrigerant
Specifications
- Model: S-50PY3E
- Nominal capacity: 5.0kW
- Ceiling grid: 600 × 600mm
- Ceiling depth required: 250mm
- Decorative panel: CZ-KPY4 (sold separately)
- Compatible outdoor units: PACi NX Standard and Elite
- Air purification: nanoe X Generator Mark 2
- Refrigerant: R32
Good to know
This is a split-system component that contains or connects to R32 refrigerant, so it must be installed and commissioned by an F-Gas registered engineer. It is supplied as a single unit – pair it with a compatible Panasonic outdoor/indoor unit to make a complete system. Supplied without decorative panel – add the CZ-KPY4 panel and a wired controller.
Genuine Panasonic product. All prices shown include VAT.
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Specifications
Specifications
Compact and lightweight design
With a low weight of just 21 kg, this ventilation unit can be installed quickly and safely by a single installer. Its space-saving footprint makes the DucoBox Energy Comfort perfectly suited for small plant rooms and confined technical areas.
Software-controlled left/right configuration
The unit is designed for maximum installation flexibility. Left- or right-hand airflow orientation is adjusted entirely via software, eliminating the need for mechanical modifications. This is made possible by an innovative patented double bypass system.
Automatic calibration
Using constant pressure calibration technology, the AUTO calibration function reduces commissioning time by up to 50%. In real-world installations, this can translate into lower labour costs and faster system setup.
High energy efficiency
Advanced dynamic air filtration ensures consistently high heat recovery efficiency. When combined with optional intelligent demand control based on CO₂ and humidity sensors, the system delivers excellent indoor air quality while minimising energy consumption.
Smart copy function for fast commissioning
An integrated software-level copy feature allows installers to duplicate settings and parameters from one unit to another. This is especially valuable for multi-unit or repeated housing projects, ensuring consistent performance and significantly reducing setup time.
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