RC GROUP MP2000

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RC GROUP - 149_ItEn.0102

MP2000 AIR CONDITIONERS

Sistema di controllo a microprocessore per condizionatori d'aria •

Air conditioners microprocessor control system

Configurazione hardware MP2000

MP2000 hardware configuration

Main Page

Summary4
Microprocessor Boards - Board a and B8
Terminal10
Terminal Frontal/Back View10
"ADDR" Board11
ADDR+CK Board12
Boards Installation12
T Board13
Jumper Setting J14-J1513
RS485 Serial Port14
Humidifier Board/Characteristics15
Installation Diagram15
T Remote Terminal16
Possible Configurations of the MP200 System17
Configuration with Board a and Terminal on Unit And/Or T Remote17
Configuration with Board a and B and Terminal on Unit And/Or T Remote19
Electric Connections/Feeding21
Connection between Terminal on Unit and Board a21
Terminal Back View21
Connection between Board a and Board B22
Connection between Board a and T Remote Terminal (Max 200M)22
Serial Connection RS48524
Serial Connection with RC-Com Communication Protocol for Max 32 Units in Multipoint Connection24
Serial Connection with MODBUS-JBUS Communication Protocol for Max 16 Units in Multipoint Connection25
Connection between MP2000 and Gateway/Supervisor25
Lan Connection27
Connection of the Temperature Set Point Compensation System28
Connection for Automatic/Manual Temperature Set Point Compensation (Voltage/Current Signal)28
Installation of the Eprom29
Note on How Using the Eprom and the Electronic Cards29
Keyboard Functions and Programming30
Back to the Main Menu31
Ramdom Starting of the Unit32
Unit Switch on (Main Fan On)32
Chrono Function32
Air Delivery Temperature Indication34
Limit Thermostat Function34
Compressors' Starting Sequence Inversion35
Alarms Presence36
Last 10 Alarms Visualization36
Hourmeter and Maintenance Alarm36
Alrm Reset37
Manual Procedure37
On/Off38
Manual Procedure for 0 10V and Floating Valves39
Set Point40
Program Sets40
Set Manufacturer40
Memory Reset Warning41
Sensors Calibration41
Lan Network (Local Area Network)42
Lan Network Hardware Configuration43
Verify Hardwre Architecture43
Address Code Setting43
Lan Network Software Configuration45
Hardware Configuration Automatic Check45
Manual Software Configuration46
Configuration46
Masks List48
Definition of the Number of Units Present in the Network48
Terminal Sharing49
Change over Function50
Parameter Setting50
Alarms51
How to Reset the Lock Unit51
Synchronism between the Real Time and the Microprocessor Internal Clock51
Lan Network with Chrono Function52
Lan Network with Combined Chrono/Change over Functions52
Principles of the Control System53
Symbols Used on Graphs53
The On/Off Stages54
The Temperature Proportional Signals54
The Pressure Proportional Signals55
The Floating Valve55
The "Limit" Function for Dehumidification57
The Thermohygrometric Alarms58
Eprom Identification59
Software for Air Conditioners61
Board a Inlets/Outlets Diagram62
Board a Inlets/Outlets63
Board B Inlets/Outlets Diagram64
Board B Inlets/Outlets65
Set List66
Status List72
List of Manual Sets75
Memo List75
Cooling Logic with Direct Expansion Unit76
Cooling Logic with Direct Expansion Unit and Free-Cooling System78
Free-Cooling Function (FC System)80
FC System Working Logic80
Cooling Logic with Chilled Water Unit82
Heating Logic with Electric Heaters84
Heating Logic with Hot Water System86
Humidity Control Logic88
Set "Reduce Humid. in Cool Position"89
Dehumidification System Control Logic89
Condensing Pressure Control Logic90
Temperature Set Point Compensation Logic92
Example for Positive/Negative Compensation (Cooling/Heating)92
Software for Heat Pump Air Conditioners and Roof Top93
Control Logic for Opening the External Air Free-Cooling Damper (Roof Top Units)110
Free-Cooling Enabling/Disabling Logic (Roof Top Units)111
Heating Logic112
Condensing Pressure Control Logic (Only Summer Working Period)116
Defrosting Logic for the Heat Pump Units (Configuration DXA)119
Defrosting Conditions119
Alarms List and Description121
Relay Handling Logic, for the Alarms Remote Control122
Alarms List123
Alarm Description124
Components of the MP2000 System135
NTC Temperature Sensor136
Air Temperature and Humidity Sensor137
Refrigerant Gas Pressure Sensor138
Amperometric Transformer for Humidifier Current - TA 20/4139
Volmetric Transformer for Line Voltage - TV 600140
Amperometric Transformer for Line Current - TA 100141
Amperometric Transformer for Line Currenr - TA 500142
Voltage Converter - RC 275143
Water Detection Relay - RC420144
Water Detector - RC 350144
Water Detection Relay - LV2D145
Fan Motor Speed Controller for Single Phase Motors - P11146
Fan Motor Speed Controller for Single Phase Motors - P12147
Fan Motor Speed Controller for Single Phase Motors - RIV 1200148
Fan Motor Speed Controller for Three Phase Motors - DVR150
Fan Motor Speed Controller for Three Phase Motors - FCS152
Stage Signal Converter - RC 411A154
3-Stages Signal Converter - RC 470155
Minimum Current Protection Relay - RC460156
Minimum Current Protection Relay (MAX 10A) - RC465/220 - RC465/48 - RC465/24157
Flexi Control - Rc480A158
Device for Flexibox Terminal Units158
Flexi Control - Rc480B Device for Flexibox Terminal Units159
Roomrregulator for Flexibox - RCE84.21160
Diodes Box for 0 10V Signals - RC285162
Air Differential Pressure Switch163
Proportional Actuator for Damper - DMS164
Proportional Actuator for Damper GDB161.1E165
Proportional Actuator for Damper NM24-SR166
On/Off Actuator for Damper - das167
Floating Actuator for 2/3 Way Valves SQS 81168
0 10V Actuator for 2/3 Way Valves SQS65169
0 10V Actuator for 2/3 Way Valves SQX61170
Fan Motor Speed Controller for Single Phase Motor - FV31171
Fan Motor Speed Controller for Single Phase Motor - FSF41S/42S172
On/Off Type High and Low Pressure Switches - PS3173
PS3 Pressure Switch Identification Table174
Differential Oil Pressure Switches for Semihermetic Compressors - LDS 004175
Microprocessor Controlled 1 Stage Electronic Thermostat - EWPC902/T176
Parameters Programming176
Description of Parameters176
Microprocessor Controlled 2 Stage Electronic Thermostat - EWPC 905/T178
Error Signaling179

RC GROUP MP2000 - Page 7

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