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DYNACIAT LG Series
CIAT DYNACIAT LG Series User Manual
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D
YN
A
CIA
T L
G/L
GN
07 - 2018
10188
Instruction manual
2
Table of Contents
Default Chapter
4
Table of Contents
4
1 Introduction
6
Installation Safety Considerations
6
Equipment and Components under Pressure
7
Maintenance Safety Considerations
7
Repair Safety Considerations
8
Measures, Provisions, Procedures against Emergencies
9
2 Preliminary Checks
10
Check Equipment Received
10
Moving and Placing the Unit
10
3 Dimensions, Clearances
12
LG 080 - 150 - Standard Unit
12
LG 180 - 300 - Standard Unit
12
LG 360 - 450 - Standard Unit
13
LG 480 - 600 - Standard Unit
13
LGN 080 - 150 - Standard Unit
14
LGN 180 - 300 - Standard Unit
14
LGN 360 - 450 - Standard Unit
15
LGN 480 - 600 - Standard Unit
15
LG 080 - 150 - Unit with Hydraulic Module
16
LG 180 - 300 - Unit with Hydraulic Module
16
LG 360 - 450 - Unit with Hydraulic Module
17
LG 480 - 600 - Unit with Hydraulic Module
17
LGN 080 - 150 - Unit with Hydraulic Module
18
LGN 180 - 300 - Unit with Hydraulic Module
18
GN 360 - 450 - Unit with Hydraulic Module
19
LGN 480 - 600 - Unit with Hydraulic Module
19
4 Physical and Electrical Data
20
Physical Data
20
Electrical Data
24
Short-Circuit Stability Current (TN System(1)) - Standard Unit (with Main Disconnect Switch)
26
Electrical Data, Optional Hydraulic Module
27
Compressor Usage and Electrical Data Table
30
5 Application Data
32
Operating Limits
32
Operating Range
33
Minimum Chilled Water Flow
33
Maximum Chilled Water Flow
33
Variable Flow
33
Min Water Volume and Evaporator & Condenser Water Flow Rates
34
Maximum Water Loop Volume (Evaporator and Condenser Side)
35
Expansion Tank
35
Protection against Cavitation Evaporator Pumps Option
35
Plate Heat Exchanger Pressure Drop (Includes Internal Piping)
36
6 Electrical Connection
37
Electrical Connections, Control Box
37
Power Supply
37
Voltage Phase Imbalance (%)
37
Recommended Wire Sections
37
24 V User Power Reserve
38
7 Lgn Unit Connections
39
Recommendations for the Installation of Liquid Chillers with Remote Condenser
39
Pipe Routing and Connection
39
8 Sizing the Refrigerant Pipes with Refrigerant for Lgns
40
General Information and Sizing Limits for the Pipe System
40
Sizing the Pipes
40
Sizing the Discharge Pipe
42
Sizing the Liquid Pipe
42
9 Water Connections
43
Operating Precautions
43
Frost Protection
46
Flow Switch (Units Without Hydraulic Module)
46
10 Nominal Water Flow Control with Fixed-Speed Pump
47
General
47
Water Flow Control Procedure
47
11 Nominal Water Flow Control with Variable-Speed Pump
49
Pump Flow/Pressure Curve
49
Available External Static Pressure (Low-Pressure Pumps, Units with Hydraulic Module)
49
Available External Static Pressure (High-Pressure Pumps, Units with Hydraulic Module)
50
12 Start-Up
51
Preliminary Checks
51
Actual Start-Up
51
13 Major System Components and Operation Data
52
Compressors
52
Lubricant
52
Evaporators and Water Condensers
52
Electronic Expansion Valve (EXV)
52
Refrigerant
52
High-Pressure Switch and High-Pressure Sensor
53
High and Low-Pressure Side Relief Valves
53
Moisture Indicator
53
Filter Drier in the Refrigerant Circuit
53
Evaporator and Condenser Pump Suction Filter
53
External Temperature Sensor
53
14 Options Et Accessories
54
Options Table
54
Description
55
15 Maintenance
60
Soldering and Welding
60
General System Maintenance
60
Refrigerant Undercharge
60
Refrigerant Guidelines
60
Leak Detection
60
Evacuation
61
Recharging Liquid Refrigerant
61
Characteristics of R-410A
61
Electrical Maintenance
61
Tightening Torques for the Main Electrical Connections
62
Tightening Torques for the Main Bolts and Screws
62
Compressors
62
Evaporator and Condenser Maintenance
62
Corrosion Check
62
16 Dynaciat Maintenance Program
63
Maintenance Schedule
63
Description of the Maintenance Operations
63
17 Final Shutdown
64
Shutting down
64
Recommendations for Disassembly
64
Fluids to be Recovered for Treatment
64
Materials to be Recovered for Recycling
64
Waste Electrical and Electronic Equipment (WEEE)
64
18 Start-Up Ckecklist for Units (Use for Job File)
65
4
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CIAT DYNACIAT LG Series Specifications
General
Brand
CIAT
Model
DYNACIAT LG Series
Category
Industrial Equipment
Language
English
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