September 30, 2026
Carrier 42NX Ductable Fan Coil Unit PRECUATION  GENERAL Thank you for purchasing a CARRIER unit. We trust that this unit will give you complete satisfaction. The 42NX range of fan coil units is designed to heat or cool residential and tertiary premises (e.g. offices, hotel rooms, shopping  centres). Comfort units are not designed to control the humidity of outside air. Fresh air handling must be provided by a self-contained system  in accordance with accepted engineering practices (see our air handling unit ranges). To guarantee correct operation of the unit, the connections (electrical, hydraulic, etc.) must comply with accepted engineering practices. Your unit must be maintained and installed as recommended in this manual. Each unit bears a name plate. The reference number shown on the name plate must be quoted in all correspondence. In this document, you will find the components described in the following manner: optional : Factory-fitted accessory : Delivered separately. SAFETY Only specially trained and qualified technicians and installers who have been fully trained on the product are authorised to install, commission and service this equipment. To prevent injury or damage to the unit or room,…