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CONTENTS
PAGE
1 IMPORTANT RECOMMENDATIONS
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2 GENERAL
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3 Composition
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3.1 Main control board for machines with one refrigerating circuit
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3.2 Additional board 1
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3.3 Additional board 2
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3.4 Control and display console
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3.5 Connection via RS485 serial port for BMS or control console and Multiconnect with
500 kW module
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3.6 Relay boards
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4 DESCRIPTION
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4.1 Main board
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4.2 Expansion (additional) boards 1 and 2
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4.3 Man-Machine Communication
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5 ACCESS LEVELS
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5.1 Selecting an authorised access level
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5.2 Accessing the various access levels
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5.3 Configuring access levels on the controller
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5.4 Management of the numeric codes for accessing levels 2 and 3
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5.5 Classification of the menus and their functions
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6 LIST OF PARAMETERS PER ACCESS LEVEL
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7 MANAGEMENT OF AERO-CONNECT PARAMETERS
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8 CONTENTS OF THE MENUS
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8.1 MAIN menu
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8.2 SETPOINTS menu
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8.3 MACHINE STATUS menu
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8.4 MEASURED VALUES menu
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8.5 MACHINE PARAMETERS menu
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8.6 ADJUSTMENT PARAMETERS menu
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8.7 OPERATION PARAMETERS menu
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8.8 FAULT MEMORY menu
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8.9 TEST MODE menu
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9 MANAGEMENT OF THE ON/OFF INPUTS
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9.1 Automatic machine operation control
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9.2 Load shedding control
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9.3 Water flow switch
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9.4 Fan fault (circuits 1 and 2)
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9.5 Expansion valve fault
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9.6 Phase controller fault
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9.7 Pump fault
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9.8 Compressor protection
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9.9 Manual HP pressure switch fault on circuit 1 or 2
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9.10 Setpoint selection via on/off input
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9.11 Variable setpoint via 4-20 mA input
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9.12 Operating mode selection
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10 MANAGEMENT OF THE ANALOGUE INPUTS
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10.1 Temperature sensor
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10.2 Pressure sensor
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11 MANAGEMENT OF THE WATER PUMPS
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11.1 Pump 1
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11.2 Pump 2
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11.3 Pump management if P2 = 3 (reversible air-to-water) + heating mode + P111 = boiler
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11.4 Unseizing and switching the pumps
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12 WINTER PROTECTION
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12.1 Frost protection of pumps and heat exchangers while unit is off:
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12.2 Water loop winter protection
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Содержание Magister 2 Series
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