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42KY

Carrier Commercial Air Treatment Fan Coil Units
42KY
Coanda Effect Cassette

42KY

Carrier 42KY – IdroFan® Coanda Effect Cassette Fan Coil Unit
High‑performance cassette fan coil unit delivering 1.2 to 5 kW cooling and 1.7 to 6 kW heating, designed for commercial buildings with optimized Coanda Effect air diffusion, superior comfort, low energy consumption, and excellent indoor air quality.

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Features

Innovative design

Next generation chassis that combines high density EPS for its thermal and phonic properties, ABS PC and a ribbed galvanized sheet steel base to stiffen the assembly Chassis with unique dimensions for all sizes, adapted to the suspended ceiling grid size 600 x 600 mm Hydraulic, air and electrical connections on the same side to facilitate installation and access for maintenance operations

Design for comfort & energy optimization

Greater comfort Optimized Coanda Effect diffusion for perfect control of thermal phenomena that can cause discomfort and make the room feel draughty Anti-cold shower effect Compliance with energy requirements Specially developed temperature exchange coils to meet the requirements of low energy buildings Optimized temperature exchange coils to limit cost and consumption in comparison with the other components of the installation LEC low consumption motor Reduction in power of the electric heating coils to match the requirements of new buildings

Ease of installation and operation

Designed to be easy to fit and not require many on-site operations Optimized weight and size to facilitate handing during installation Safety system to suspend the diffuser leaving the technician's hands free to tighten the mounting bolts Access to internal components without the need to open suspended ceilings, easy to open filter hatch grille that is hinged to facilitate maintenance operations Diffusion panels supplied in individual packaging, making it easier to fit the unit with no risk of damaging or soiling visible parts during installation

Eco-design

Raw materials : 30% saving in weight and 21% saving in volume thanks to a compact and well thought out architecture. Use of easily recyclable materials (EPS and ABS) Transport : raw material suppliers selected from those that are less than 100 km from our manufacturing and packaging factory, enabling a 50% gain in volumes transported (reduction in CO² emissions) Recycling and easy of disassembly : 90% recyclable products. Materials can be completely separated and fixings have been reduced by 40% to allow greater efficiency at recycling plants

Control / Integrations

Thermostat & Controller Options

33ET+ Thermostat

Fan control: AC / EC, 3‑speed
Water valve: ON/OFF
Electric heater: up to 600 W (2000 W with relay accessory)
Scheduling via user interface
Unit grouping: up to 2 units
33TT Thermostat

Fan control: AC / EC, 3‑speed or EC variable speed
Water valve: ON/OFF
Electric heater: 2000 W with relay accessory
KNX compatibility via gateway accessory
Scheduling via UI or BMS
Unit grouping: up to 2 units
External presence detection support

Advanced Controllers

NTC Controller + UI

Fan control: AC / EC, 3‑speed or EC variable speed
Water valve: ON/OFF or 0–10 V
Electric heater: 2000 W
CCN communication
BMS compatibility via Carrier Aquasmart
Scheduling and grouping via BMS
Stand‑alone or BMS operation
WTC Controller + UI

Fan control: AC / EC, 3‑speed or EC variable speed
Water valve: ON/OFF or 0–10 V
Electric heater: 1300 W or 2000 W
BACnet MSTP communication
BMS integration
CO₂ sensor management for improved indoor air quality
Optional lighting and blinds management
BTL certified

Technical Documents

Document Name Description Document Type Language Action
42KY Brochure PDF English Download

How Can We Help?

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    calculation analysis, and technical data required for project design.

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    For more information : ahi@ahi-carrier.com