42CY

Carrier Commercial Air Treatment Fan Coil Units
42CT
Concealed

42CT

Carrier 42CY – BLDC Fan Coil Unit
High‑efficiency fan coil unit featuring brushless DC (BLDC) motor technology, delivering significant energy savings, superior comfort, ultra‑quiet operation, and intelligent control for green and comfort‑focused buildings.

Features

Significant Energy Savings

Energy consumption reduced to 40%–70% compared to conventional AC fan coil units BLDC motor operates efficiently down to 300 rpm Stepless speed regulation avoids high energy use at low airflow conditions Optimized performance across the full operating range

Supreme Comfort Control

Room temperature regulated through combined water flow and fan speed control Stepless fan speed modulation enables smooth airflow adjustment over a wide range Eliminates temperature fluctuations common in 3‑speed AC fan coil units Compatible with Carrier THT420 series LCD thermostat Temperature set precision up to 0.5°C, meeting high comfort requirements

Super‑Quiet Operation

Wide speed regulation allows reduced motor speed once set temperature is reached Unit operates mostly at medium or low speed, significantly reducing noise No carbon brush noise, unlike conventional AC motor fan coils BLDC motor uses ultra‑high‑frequency driving beyond the human hearing range for further noise reduction

Flexible Control & Connectivity

Compatible with Carrier THT420 series thermostats Also compatible with standard 0–10 V thermostats, offering user flexibility Supports stand‑alone or group control Can connect to Room Control Units (RCU) to reduce overall energy consumption MODBUS FCU controller with RS485 interface Supports standard Modbus communication protocol Facilitates easy integration with Building Automation (BA) systems

Control / Integrations

Advanced BLDC Motor Control

The Carrier 42CY uses a stepless BLDC motor control strategy, allowing continuous airflow modulation to precisely match load demand, ensuring high comfort and low energy consumption.

Thermostat & User Control Options

The unit supports both Carrier THT420 series LCD thermostats and standard 0–10 V thermostats, giving designers and end users flexibility in control selection.

Building Automation Integration

With a MODBUS controller and RS485 communication, the 42CY integrates easily into building automation systems, enabling centralized monitoring, group control, and energy optimization.

Operational Safety & Reliability

Built‑in electronic protections ensure stable and safe operation under varying electrical and load conditions, contributing to long‑term reliability.

Technical Documents

Document Name Description Document Type Language Action
42CT Brochure PDF English Download
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Email

ahi@ahi-carrier.com

Phone

+971 650 45700

Headquarters

Sharjah Research Technology and Innovation Park First Floor, Wing B – Sharjah United Arab Emirates

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