EN - 1
CONTENTS PAGE
1 IMPORTANT RECOMMENDATIONS 3
1.1 Electrical power supply 3
1.2 Specifications of the XTRACONNECT 2 board 3
1.3 Warning 3
1.4 Earthing 3
1.5 Connection of sensors 3
1.6 Connection of the communication buses and of the remote console 3
1.7 Connection of the on/off inputs 3
2 GENERAL 3
2.1 Description 4
2.2 Description of the motherboard 5
2.3 Description of expansion board 3 (ADD3) on a 2-circuit machine and with the rotary switch set to '1'
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2.4 Description of expansion board 3 (ADD3) on a 3-circuit machine. Module 2, rotary switch set to '2'
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2.5 Description of expansion board 1 on a 3-circuit machine. Module 2, rotary switch set to '3'
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2.6 Connection via RS485 serial port for BMS or control console and Multiconnect with 500 kW module 9
2.7 RELAY BOARD 10
3 ACCESS LEVELS 10
3.1 Selecting an authorised access level 10
3.2 Accessing the various access levels 10
3.3 Configuring access levels on the controller 11
3.4 Management of the numeric codes for accessing levels 2 and 3 12
3.5 Classification of the menus and their functions 12
4 LIST OF PARAMETERS 12
5 CONTENTS OF THE MENUS 19
5.1 Main menu 19
5.2 Setpoint menu 19
5.3 Unit status menu 19
5.4 Measured values menu 20
5.5 Unit parameters menu 21
5.6 Adjustment parameters menu 21
5.7 Reading parameters menu 22
5.8 Fault memory menu 23
5.9 Test mode menu 24
5.10 TIME SCHEDULES menu 25
5.11 COMMUNICATION Menu 25
5.12 MASTER/SLAVE menu 26
5.13 AERO-CONNECT menu 26
5.14 ACCESS LEVEL SELECTION menu 26
6 MANAGEMENT OF THE ON/OFF INPUTS 26
6.1 Automatic machine operation control 26
6.2 Automatic water pump control 26
6.3 Load shedding control 27
6.4 Water flow switch 27
6.5 Phase controller fault 28
6.6 Pump 6 fault 28
6.7 Emergency stop (split system unit and dry cooler. 28
6.8 Fan fault (circuits 1, 2 and 3) 29
6.9 External fault 29
6.10 Compressor 1, 2 or 3 protection ("SE" box) 29
6.11 Discharge fault on circuit 1, 2 or 3 29
6.12 High-pressure switch fault on circuit 1, 2 or 3 30
6.13 LP fault on circuit 1, 2 or 3 30
6.14 Minimum desuperheat discharge fault 31
6.15 Electronic expansion valve fault 31
6.16 Lubrication fault 31
6.17 Minimum and maximum superheat fault 32
7 MANAGEMENT OF THE ANALOGUE INPUTS 33
8 PRESSURE SENSOR 34
9 PUMP MANAGEMENT 35
10. EVAPORATOR WINTER AND FROST PROTECTION 35
11. MANAGEMENT OF THE OUTPUTS OF LIQUID VALVES 1, 2 AND 3 36
12. MANAGEMENT OF THE ECONOMISER VALVES (HPS) 36
13. MANAGEMENT OF THE 25% OUTPUT COMPRESSOR VALVES 37
14 MANAGEMENT OF THE LIQUID INJECTION VALVES 37
15. MANAGEMENT OF THE FUNCTIONS 37
15.1 Compressor starting order (3 circuits) and runtime balancing 37
15.2 Short-cycle protection and minimum off-time 37
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