Panasonic S-3650PT3E PACi NX PT3 3.6–5.0kW Under Ceiling Indoor Unit – 235mm Slim, nanoe X, R32
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The Panasonic S-3650PT3E is a 3.6–5.0kW PACi NX PT3 under-ceiling indoor unit – a surface-mounted solution for large rooms with no ceiling void, throwing air horizontally up to 9.5 metres.
Just 235mm high, the unit mounts flush beneath the ceiling and shares the same height and depth across all capacities for a consistent look in mixed installations. A fresh air connection option and a PAW-FDC connector on the PCB allow an external fan or ERV to be controlled from the Panasonic remote. nanoe X Generator Mark 2 improves air quality as standard.
A new DC fan motor delivers A++ energy class in heating and cooling, operation is silent, and self-diagnosis simplifies maintenance. Single and twin installations are supported, with Bluetooth commissioning via the optional CZ-RTC6BL/CZ-RTC6WBL controllers and Wi-Fi via the CZ-CAPWFC1 adaptor.
Key features
- Slim 235mm height, surface mounted under the ceiling
- Wide, long-distance airflow up to 9.5m
- Fresh air connection option and ERV/external fan control
- nanoe X Generator Mark 2 air purification
- A++ energy class in heating and cooling
- Single and twin installations supported
- Self-diagnosis and automatic restart
- Low-GWP R32 refrigerant
Specifications
- Model: S-3650PT3E
- Capacity range: 3.6–5.0kW
- Height: 235mm
- Horizontal airflow reach: up to 9.5m
- Compatible outdoor units: PACi NX Standard and Elite
- Air purification: nanoe X Generator Mark 2
- Energy class: A++ heating / A++ cooling
- 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. Wired controller 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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