CIAT Connect 2 User Manual

1
CONTENTS
PAGE
1 IMPORTANT RECOMMENDATIONS
3
2 GENERAL
3
3 Composition
4
3.1 Main control board for machines with one refrigerating circuit
4
3.2 Additional board 1
5
3.3 Additional board 2
6
3.4 Control and display console
7
3.5 Connection via RS485 serial port for BMS or control console and Multiconnect with 500 kW module
8
3.6 Relay boards
9
4 DESCRIPTION
9
4.1 Main board
9
4.2 Expansion (additional) boards 1 and 2
9
4.3 Man-Machine Communication
10
5 ACCESS LEVELS
10
5.1 Selecting an authorised access level
10
5.2 Accessing the various access levels
10
5.3 Configuring access levels on the controller
12
5.4 Management of the numeric codes for accessing levels 2 and 3
12
5.5 Classification of the menus and their functions
12
6 LIST OF PARAMETERS PER ACCESS LEVEL
12
7 MANAGEMENT OF AERO-CONNECT PARAMETERS
20
8 CONTENTS OF THE MENUS
21
8.1 MAIN menu
21
8.2 SETPOINTS menu
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8.3 MACHINE STATUS menu
22
8.4 MEASURED VALUES menu
26
8.5 MACHINE PARAMETERS menu
26
8.6 ADJUSTMENT PARAMETERS menu
31
8.7 OPERATION PARAMETERS menu
39
8.8 FAULT MEMORY menu
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8.9 TEST MODE menu
51
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
52
9.3 Water flow switch
52
9.4 Fan fault (circuits 1 and 2)
53
9.5 Expansion valve fault
53
9.6 Phase controller fault
54
9.7 Pump fault
54
9.8 Compressor protection
55
9.9 Manual HP pressure switch fault on circuit 1 or 2
55
9.10 Setpoint selection via on/off input
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9.11 Variable setpoint via 4-20 mA input
56
9.12 Operating mode selection
57
10 MANAGEMENT OF THE ANALOGUE INPUTS
57
10.1 Temperature sensor
57
10.2 Pressure sensor
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11 MANAGEMENT OF THE WATER PUMPS
61
11.1 Pump 1
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11.2 Pump 2
61
11.3 Pump management if P2 = 3 (reversible air-to-water) + heating mode + P111 = boiler
61
11.4 Unseizing and switching the pumps
61
12 WINTER PROTECTION
61
12.1 Frost protection of pumps and heat exchangers while unit is off:
61
12.2 Water loop winter protection
62

CIAT Connect 2 Specifications

General

Brand	CIAT
Model	Connect 2
Category	Control Unit
Language	English