Carel FCM0002000 User Manual

FCM electronic regulator Cod. +302235300 - Rel. 2.0 del 30/11/98
1
Contents
1 Introduction........................................................................................................................................................................................ 2
1.1 General characteristics ...................................................................................................................................................................... 2
2 Codes of instruments and accessories................................................................................................................................................ 2
2.1 FCM* codes...................................................................................................................................................................................... 2
2.2 Accessories ....................................................................................................................................................................................... 2
3 Buttons and displayed indications ..................................................................................................................................................... 3
3.1 Front panel........................................................................................................................................................................................ 3
4 Installation.......................................................................................................................................................................................... 4
4.1 Mounting the instrument ................................................................................................................................................................... 4
4.2 Electrical connections........................................................................................................................................................................ 4
5 Functions............................................................................................................................................................................................ 5
5.1 Serial option...................................................................................................................................................................................... 5
6 Programming and configuring the FCM*......................................................................................................................................... 6
6.1 Standard configuration....................................................................................................................................................................... 6
6.2 Initialisation of FCM* instruments .................................................................................................................................................... 6
6.3 Auxiliary functions............................................................................................................................................................................ 7
6.4 High and Low alarms (not available in slave mode)........................................................................................................................... 8
6.5 Defrosting (not available in SLAVE mode)........................................................................................................................................ 8
6.6 Multifunction digital inputs............................................................................................................................................................... 9
6.7 Multi-function digital output............................................................................................................................................................ 10
6.8 Extra LED indicators....................................................................................................................................................................... 10
7 Programming FCM controllers ....................................................................................................................................................... 11
7.1 Setting the set-point ("St" parameters)............................................................................................................................................. 11
7.2 Accessing "P" parameters................................................................................................................................................................ 11
7.3 Accessing "C" parameters................................................................................................................................................................ 11
7.4 Validity of the modifications............................................................................................................................................................ 12
7.5 Displaying the unit of measure ........................................................................................................................................................ 12
7.6 Setting min. and max. output values ................................................................................................................................................ 12
7.7 Factory-set parameters..................................................................................................................................................................... 13
7.8 Remote Control............................................................................................................................................................................... 13
7.9 Technical specifications................................................................................................................................................................... 13
7.10 Description of the keypad .............................................................................................................................................................. 13
7.11 Using the remote control................................................................................................................................................................ 14
7.12 Setting the access code .................................................................................................................................................................. 14
8 Description of the parameters.......................................................................................................................................................... 15
8.1 Parameters concerning the set-point................................................................................................................................................. 15
8.2 Parameters concerning the analogue output...................................................................................................................................... 16
8.3 Parameters concerning inputs .......................................................................................................................................................... 18
8.4 Alarm parameters............................................................................................................................................................................ 19
8.5 Parameters concerning digital inputs and output .............................................................................................................................. 20
8.6 Parameters concerning the unit of measure ...................................................................................................................................... 21
8.7 Parameters concerning defrost ......................................................................................................................................................... 23
8.8 Parameters concerning keypad and remote control ........................................................................................................................... 24
8.9 Parameters concerning serial connection.......................................................................................................................................... 25
9 Table of Parameters......................................................................................................................................................................... 27
10 Alarms ............................................................................................................................................................................................ 31
11 Technical specifications.................................................................................................................................................................. 32
12 Wiring diagram.............................................................................................................................................................................. 33
12.1 Terminal block.............................................................................................................................................................................. 33
12.2 Power supply:................................................................................................................................................................................ 33
12.3 Connecting probes......................................................................................................................................................................... 34
13 Dimensions...................................................................................................................................................................................... 35

Carel FCM0002000 Specifications

General

Model	FCM0002000
Protection Degree	IP20
Input Voltage	24 VAC/VDC
Display	LCD
Communication Protocols	Modbus RTU
Relative Humidity	10% to 90% non-condensing
Type	Electronic expansion valve controller
Controller Type	Electronic expansion valve controller

Summary

FCM Controller Installation

Mounting the Instrument

Provides instructions on how to physically mount the FCM instrument and considerations for probe placement.

Electrical Connections Procedure

FCM Controller Functions Overview

FCM Controller Programming

Standard Configuration Settings

Outlines the default settings for FCM controllers upon initial supply.

Initialising FCM Instruments

Step-by-step guide for initial programming and parameter setup of FCM instruments.

High and Low Alarm Configuration

Programming FCM Controllers

Setting the Set-Point Parameters

Procedure for setting and modifying the primary and secondary set-points (St1, St2).

Accessing Frequently-Used Parameters ('P' Parameters)

Guide to accessing and modifying frequently used parameters (Pxx) and set-points.

Accessing Configuration Parameters ('C' Parameters)

Procedure for accessing and modifying configuration parameters (Cxx) including password entry.

Setting Minimum and Maximum Output Values

Restoring Factory-Set Parameters

Using the Remote Control for Programming

Operating the Remote Control

Setting the Access Code for Security

FCM Parameter Descriptions

Parameters Concerning the Set-Point

Defines parameters related to set-points, including main, secondary, mode, and differential.

Parameters Concerning the Analogue Output

Details parameters that control the 0-10V analogue output, such as min/max values and soft-start.

Parameters Concerning Inputs

Describes parameters for configuring probe types, refrigerants, and input value ranges.

Alarm Parameters

Defines thresholds and time delays for low, high, and differential alarms.

Parameters Concerning Digital Inputs and Output

Configures the functions of digital inputs (ID1, ID2) and the relay digital output.

Parameters Concerning the Unit of Measure

Parameters Concerning Defrost

Parameters Concerning Keypad and Remote Control

Parameters Concerning Serial Connection

FCM Parameter Table

FCM Alarms and Troubleshooting

FCM Technical Specifications

FCM Wiring and Connections

Terminal Block Identification

Power Supply Requirements

Connecting Probes to the FCM