FCM electronic regulator Cod. +302235300 - Rel. 2.0 del 30/11/98
2
1 Introduction
The electronic controls of FCM series have been designed to manage the main physical values (temperature, pressure, humidity) in air-
conditioning, refrigeration and heating units.
1.1 General characteristics
There are 3 models available, which differ according to the type of analogue input (probe).
Adaptability: continuous or On/Off-type regulatory controls.
Serial option: the FCM controls are designed to allow connection to supervisory or pLAN networks (local area networks made up of
pCO controllers).
Accessories: a serial interface board (FCSER00000) which is fitted inside the control and Infrared remote control for programming
functions is available on request.
Certification: CE mark, ISO 9001 certified design and production system.
Applications: although being designed for general use, the FCM series devices are particularly effective as condensation temperature
controls, as they control fan speed in condensation units.
In this situation, special devices are used to power the fans proportionally to the signal from the FCM control.
There is a variety of such power devices available (multi-step transformer, phase cut, frequency converter). CAREL, in particular, has
developed a family of phase cutting power devices, specially designed for this type of application. Ask Carel for further information.
2 Codes of instruments and accessories
2.1 FCM* codes
Model Code
2-input control for NTC probes FCM00NTC00
2-input control for probes with 0÷10 V voltage output
FCM0001000
2-input controller for probes with 0÷20 mA or 4÷20 mA current
output
FCM0002000
2.2 Accessories
Serial interface Code
Two-wires RS485 serial interface option FCSER00000
Infrared remote control
Language Code
ENGLISH IRTRFC0E00
Probes
Model Code
Carel NTC temperature probes NTC*
0÷25 bar pressure probes, 4÷20 mA output SPK2500000
0÷30 bar pressure probes, 4÷20 mA output SPK3000000
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