Mitsubishi Electric i-MEXT-i-G02-DX-U/O-108 Manuals

Manuals and User Guides for Mitsubishi Electric i-MEXT-i-G02-DX-U/O-108. We have 1 Mitsubishi Electric i-MEXT-i-G02-DX-U/O-108 manual available for free PDF download: Instructions For Installation, Use And Maintenance Manual

Mitsubishi Electric i-MEXT-i-G02-DX-U/O-108 Instructions For Installation, Use And Maintenance Manual (92 pages)

Air conditioners for IT Cooling

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 4 MB

Table of Contents
3
General Provisions
5
General Information and Safety
5
Scope of the Manual
5
Symbols
6
Glossary and Terminology
7
Attached Documentation
8
General Safety Regulations
8
Precautions against Residual Risks
9
List of Machine Internal Symbols
11
Procedure for Requesting Support
11
Machine Identification
11
Designation and Identification Plate
11
Storage Temperature
12
Operating Limits
12
Description of the Main Components
13
Electrical Panel
13
Cooling Circuit
13
Hydraulic Circuit
14
Fan
14
Air Filter
14
Structure
15
Safety Components
17
Refrigerant Gas Safety Valves
17
Safety Valve for Direct Expansion Machines in Two Sections (DX) and Risk Overpressure in Case of Fire
18
Values for the Intervention of High Pressure Switches and Safety Valves
18
Transport, Storage and Installation
19
Transport and Moving
19
General Transport, Handling and Storage Information
19
Temperature and Humidity Limits for Transportation and Storage
19
Transport
19
Discharge
19
Receipt and Inspection
20
Handling
20
Removal of the Machine Panels
21
Installation
21
Installation of the Standard Machiine
21
Positioning of over and under Machines
22
Installation Clearances
24
Obstacles on Air Circulation for UNDER/OVER Machines / Displacement and Minimum Clearance from Combustible Surfaces
25
Unit Fastening Bracket
25
Refrigerant Connections to the Remote Air-Cooled Condenser
26
Type of Copper to be Used for the Cooling Line
26
General Information for the Completion of the Cooling Line
27
Speed of the Coolant in the Pipes
28
Pipe Identification
28
Diameters of the Machine Cooling Connections
28
Equivalent Length Values (Ml) for the Fittings
29
Recommended Cooling Lines
29
Installation Diagram
32
Connection of the Refrigerant Pipes
33
Washing of Coolant Piping
33
Refrigerant Charge for DX Machine
33
Quantity of Refrigerant Per Linear Meter
35
Compressor Lubricant Oil Top up
35
Refrigerant Charge for DW Machine
36
Hydraulic Connections
36
Determination of Hydraulic Circuit Pressure Drops
38
Hydraulic Connection to Water Coils
41
Hydraulic Connection to Built-In Water-Cooled Condenser (DW)
42
Water Content for Linear Meter of Pipe
42
Installation Technical Notes
43
Cleaning and Filling the Hydraulic Circuit
43
Water Quality
43
Anti-Freeze Solutions
44
Hydraulic Connection of the Condensate Drain
45
Electrical Connections
45
Electrical Data
46
Power Supply for Packaged Machine
47
Auxiliary Electric Connections
47
LAN Network Connection
48
Air Connections
49
Air Delivery Channel for over Machines
49
Channel Fastening
50
Air Delivery for under Machines
50
Options
51
Serial Probes for Temperature and Humidity
52
Floor Water Sensor
53
Technical Characteristics
53
Low Outdoor Temperature Kit
54
Low Outdoor Temperature Kit + Additional Liquid Receiver
54
Additional Liquid Receiver
54
Dirty Filter Air Differential Pressure Switch
56
Air Flow Notification Air Differential Pressure Switch
56
Control of the Air Pressure or Air Flow
57
Air Pressure
58
Network Analyser
59
Double Power Supply with Automatic Transfer Switch
60
Condensate Discharge Pump Kit
61
Functional Checks
62
Working Limits
62
Water Flow Rate
62
Proportional Steam Humidifier
63
Humidifier
64
Electric Heaters
70
Smoke Detector
72
Periodic Test
72
Technical Characteristics
72
Fire Detector
73
Phase Sequence Control + Voltage Control
73
Power Supply of Remote Condenser or Dry Cooler from Indoor Machine
74
BMS Connection
74
Floor Stand
74
Plenum
77
Direct Free-Cooling Plenum
79
Earthquake Anchoring Kit
80
Pre-Commissioning
81
Start
82
Calibration and Fine-Tuning
82
Machine Start
82
Method of Use
83
Provisions and Warnings for Use
83
Description of Controls
83
Emergency Stop
83
Prolonged Shutdowns of the Machine
83
Start-Up after Extended Machine Inactivity
84
First Diagnostics
84
Troubleshooting
84
Maintenance
86
Maintenance Instructions
86
Scheduled Maintenance
87
Table of General Maintenance Jobs
87
Work to be Carried out
87
Compressor Maintenance Activity Table
88
Checking of the Water Flow and Cleaning of the Exchangers
88
Check that the Coils Are Clean
88
Air Filter Maintenance/Replacement
89
Extraordinary Maintenance
89
Disposal of the Machine
90

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Mitsubishi Electric i-MEXT-i-G02-DX-U/O-108 Instructions For Installation, Use And Maintenance Manual (92 pages)

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