Panasonic S-2545PK4E PACi NX PK4 2.5–4.5kW Commercial Wall Mounted Indoor Unit – nanoe X, R32
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The Panasonic S-2545PK4E is a 2.5–4.5kW PACi NX PK4 wall-mounted indoor unit – a compact, quiet commercial wall unit for small offices, shops, gyms, studios and server rooms, compatible with PACi NX Standard and Elite outdoor units.
Its smooth, flat-faced design keeps a low profile on the wall and the front panel lifts off for washing. Air distribution adjusts automatically to the operating mode, with the outlet angle optimised separately for cooling and heating, and the flap closes fully when off to keep dust out. Piping can exit in six directions (right, right rear, right bottom, left, left rear, left bottom) for flexible installation.
nanoe X Generator Mark 3 improves air quality as standard. The unit supports single, twin, triple and double-twin configurations, integrates with CONEX and IoT controls, and can be commissioned over Bluetooth with the optional CZ-RTC6BL controller or connected to the Comfort Cloud app with the commercial Wi-Fi adaptor.
Key features
- Compact, lightweight, low-noise commercial wall unit
- nanoe X Generator Mark 3 air purification
- Washable front panel and fully closing flap
- Six piping outlet directions for easy installation
- Single, twin, triple and double-twin capable
- CONEX and IoT integration; optional Bluetooth (CZ-RTC6BL) and Wi-Fi control
- Low-GWP R32 refrigerant
Specifications
- Model: S-2545PK4E
- Capacity range: 2.5–4.5kW
- Compatible outdoor units: PACi NX Standard and Elite
- Air purification: nanoe X Generator Mark 3
- Refrigerant: R32
- Controls: CZ-RTC6/CZ-RTC6BL wired controller (sold separately)
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. A wired controller is required and sold separately.
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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