42NL

Carrier Commercial Air Treatment Fan Coil Units
42NH
Ducted

42NH

Ultra‑quiet hydraulic ducted fan coil units delivering flexible installation, efficient comfort, and superior indoor air quality
The Carrier 42NL / 42NH Idrofan® range consists of modular horizontal ducted fan coil units designed to deliver efficient heating and cooling with extremely low noise levels. With multiple coil configurations, flexible installation options, and advanced control compatibility, these units are ideal for residential, hotel, office, and light commercial applications.

Features

Capacity & Airflow Range

Cooling capacity: 0.5 – 12 kW Heating capacity: 0.6 – 15 kW Airflow range: 100 – 2,300 m³/h Suitable for individual room or zone control

Installation Flexibility

Modular horizontal ducted design Two optimized versions: 42NL for soffit installations (ESP ≤ 50 Pa) 42NH for fully ducted systems (ESP ≤ 125 Pa) Simplifies coordination with architectural constraints

Coil Configurations

Available in: 2‑pipe (heating or cooling) 2‑pipe + electric heater 4‑pipe (simultaneous heating and cooling capability) Designed for compatibility with chilled water and hot water systems

Comfort & Acoustic Performance

Extremely quiet operation Optimized fan and casing design minimizes sound levels Improved thermal comfort and air distribution

Control / Integrations

Stand alone thermostats 33T

4 types of thermostats:
Type A : a two-pipe application equipped with alternating current motors
Type B : four or two-type applications equipped with electric heating and alternating current motors
Type C : a two-pipe application equipped with EC motors
Type D : four or two-pipe applications equipped with electric heating and EC motor
Wall-mounted controls can easily and discreetly be integrated into any room environment. The operating range goes from 10°C to 30°C.

NTC controller

PID controller
Carrier Communication Network (CCN) AQUASMART compatible
AC or EC motor management
Combines energy saving with optimized comfort
IAQ management

WTC controller

Open communication protocol BACnet
Communication PID controller
Large range of user interfaces
Manages the EC motor for optimized comfort
Manages a CO2 sensor to improve air quality
Optional lighting and/or blinds management modules

Technical Documents

Document Name Description Document Type Language Action
42NH Brochure PDF English Download
Product Enquiry

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Our experts can help you choose the right commercial, residential, or light commercial HVAC solution from Carrier, Toshiba, and Viessmann.

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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