Mitsubishi Electric x-MEXT Instructions For Installation, Use And Maintenance Manual
The other languages versions are translation of the original.
To ensure safe and correct use, carefully read this manual and make sure to understand all the contained indications
and information.
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Summary of Contents for Mitsubishi Electric x-MEXT
- Page 1 Air conditioners for IT Cooling x-MEXT INSTALLATION, USE AND MAINTENANCE MANUAL English English Italian is the original language. The other languages versions are translation of the original. To ensure safe and correct use, carefully read this manual and make sure to understand all the contained indications.
- Page 2 Before carrying out any operation on the machine, you must carefully read this manual and make sure you understand all the instructions and information given. Keep this manual in a known and easily accessible place to refer to as necessary during the entire life-span of the unit. This Manual has been prepared by MEHITS S.p.A.: Reproduction, even partial, of this booklet is prohibited.
Page 3: Table Of Contents
Page 5: General Provisions
Page 6: Symbols
Page 7: Glossary And Terminology
Page 8: Attached Documentation
Page 9: Precautions Against Residual Risks
Page 11: List Of Machine Internal Symbols
Page 12: Storage Temperature
Page 13: Description Of The Main Components
Page 14: Hydraulic Circuit
Page 15: Structure
Page 17: Safety Components
Page 18: Safety Valve For Direct Expansion Machines In Two Sections (Dx) And Risk Overpressure In Case Of Fire
Page 19: Transport, Storage And Installation
Page 20: Receipt And Inspection
Page 21: Removal Of The Machine Panels
Page 22: Positioning Of Over And Under Machines
Page 24: Installation Clearances
Page 25: Obstacles On Air Circulation For Under/Over Machines / Displacement And Minimum Clearance From Combustible Surfaces
Page 26: Refrigerant Connections To The Remote Air-Cooled Condenser
Page 27: General Information For The Completion Of The Cooling Line
Page 28: Speed Of The Coolant In The Pipes
Page 29: Equivalent Length Values (Ml) For The Fittings
Page 32: Installation Diagram
Page 33: Connection Of The Refrigerant Pipes
Page 35: Quantity Of Refrigerant Per Linear Meter
Page 36: Refrigerant Charge For Dw Machine
Page 38: Determination Of Hydraulic Circuit Pressure Drops
Page 41: Hydraulic Connection To Water Coils
Page 42: Hydraulic Connection To Built-In Water-Cooled Condenser (Dw)
Page 43: Installation Technical Notes
Page 44: Anti-Freeze Solutions
Page 45: Hydraulic Connection Of The Condensate Drain
Page 46: Electrical Data
Page 47: Power Supply For Packaged Machine
Page 48: Lan Network Connection
Page 49: Air Connections
Page 50: Channel Fastening
Page 51: Options
Page 52: Serial Probes For Temperature And Humidity
Page 53: Floor Water Sensor
Page 54: Low Outdoor Temperature Kit
Page 56: Dirty Filter Air Differential Pressure Switch
Page 57: Control Of The Air Pressure Or Air Flow
Page 58: Air Pressure
Page 59: Network Analyser
Page 60: Double Power Supply With Automatic Transfer Switch
Page 61: Condensate Discharge Pump Kit
Page 62: Functional Checks
Page 63: Proportional Steam Humidifier
Page 64: Humidifier
Page 70: Electric Heaters
Page 72: Smoke Detector
Page 73: Fire Detector
Page 74: Power Supply Of Remote Condenser Or Dry Cooler From Indoor Machine
Page 77: Plenum
Page 79: Direct Free-Cooling Plenum
Page 80: Earthquake Anchoring Kit
Page 81: Pre-Commissioning
Page 82: Start
Page 83: Method Of Use
Page 84: Start-Up After Extended Machine Inactivity
Page 86: Maintenance
Page 87: Scheduled Maintenance
Page 88: Compressor Maintenance Activity Table
Page 89: Air Filter Maintenance/Replacement
Page 90: Disposal Of The Machine
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