Emerson Liebert PEX Series - Chapter 1 Overview

Contents
Chapter 1 Overview ............................................................................................................................................................ 1
1.1 Model Description ................................................................................................................................................. 1
1.2 Product Introduction.............................................................................................................................................. 2
1.3 Product Appearance ............................................................................................................................................. 2
1.4 Main Components................................................................................................................................................. 3
1.4.1 Indoor Unit ................................................................................................................................................. 3
1.4.2 Outdoor Unit .............................................................................................................................................. 4
1.4.3 iCOM Controller......................................................................................................................................... 4
1.4.4 Remote Monitoring Software ..................................................................................................................... 4
1.5 Environmental Requirements................................................................................................................................4
1.5.1 Operating Environment.............................................................................................................................. 4
1.5.2 Storage Environment ................................................................................................................................. 4
Chapter 2 Mechanical Installation ....................................................................................................................................... 5
2.1 Movement, Unpacking And Inspection.................................................................................................................. 5
2.1.1 Transportation And Movement .................................................................................................................. 5
2.1.2 Unpacking.................................................................................................................................................. 5
2.1.3 Inspection .................................................................................................................................................. 7
2.2 Installation Notes .................................................................................................................................................. 7
2.3 System Installation Arrangement .......................................................................................................................... 7
2.3.1 Overall System Arrangement..................................................................................................................... 7
2.3.2 System Installation Illustration ................................................................................................................. 10
2.3.3 Mechanical Parameters ........................................................................................................................... 11
2.4 Installing Indoor Unit ........................................................................................................................................... 19
2.4.1 Equipment Room Requirement ............................................................................................................... 19
2.4.2 Installation Space .................................................................................................................................... 19
2.4.3 Requirement Of Maintenance Space....................................................................................................... 20
2.4.4 Installation Procedures ............................................................................................................................ 21
2.5 Installing Outdoor Unit ........................................................................................................................................ 24
2.6 Piping.................................................................................................................................................................. 24
2.6.1 Piping For Air-Cooled Unit ....................................................................................................................... 24
2.6.2 Piping For Water-Cooled Unit.................................................................................................................. 28
2.7 Lowering Fan And Removing Fixtures (Downflow EC Fan System) ................................................................... 29
2.7.1 Downflow Unit EC Fan Lowering ............................................................................................................. 29
2.7.2 Removing Transport Fastener And Vibration Absorber ........................................................................... 31
2.8 Installation Inspection ......................................................................................................................................... 34
Chapter 3 Electrical Installation......................................................................................................................................... 35
3.1 Work Introduction And Installation Notes ............................................................................................................ 35
3.2 Wiring Of Indoor Unit .......................................................................................................................................... 35
3.2.1 Locating Electrical Interface Of Indoor Unit ............................................................................................. 35
3.2.2 Connecting Power Cable Of Indoor Unit.................................................................................................. 36
3.2.3 Connecting Control Cables...................................................................................................................... 37