Emerson Liebert DS Series - Figure 37 Using Rigging to Lift Liebert DS off Skid

Emerson Liebert DS Series

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Equipment Inspection and Handling

42

Figure 37 Using rigging to lift Liebert DS off skid

Equal

Distance

Equal

Distance

Lifting

Sling

Lifting

Sling

181659P1

Rev. 5

Table of Contents

Default Chapter3
- Table of Contents3
Important Safety Instructions11
Save These Instructions11
1 Liebert Ds Components and Nomenclature13
- Figure 1 Downflow Model Component Locations13
- Figure 2 Upflow Model Component Locations14
- Figure 3 Liebert DS Model Number Nomenclature15
2 Cooling Configurations16
3 Pre-Installation Guidelines17
- Room Preparation17
- Air Distribution-Downflow Units17
- Figure 4 Downflow Unit Ducting and Plenum Ducting17
- Air Distribution-Upflow Units18
- Figure 5 Upflow Ducting Configurations18
- Connections and System Setup19
- Operating Conditions19
4 Liebert Ds Dimensions and Weights20
- Table 1 Shipping Dimensions-Domestic and Export, Inches (MM)20
5 Equipment Inspection and Handling47
- Packaging Material47
Safety Information47
- Figure 32 Equipment Recommended for Handling Liebert DS47
- Unpacking the Unit48
- Semi-Hermetic Compressor Spring Isolation System53
- Placing the Unit on a Floor Stand53
- Figure 38 Setting the Unit on a Floor Stand53
6 Ec Fans -Lowering and Removing54
- Lowering the EC Fans into the Floor Stand54
- Figure 39 Lowering EC Fans into Floor Stand, Steps 1 through 655
- Figure 40 Lowering EC Fans into Floor Stand, Steps 7 through 956
- Removing the EC Fans57
- Figure 41 Removing the EC Fans, Steps 1 through 558
Figure 42 Removing the EC Fans, Steps 6 through 959
7 Disassembling the Liebert Lds for Transport60
- Required Equipment60
- Disassembly-Downflow Units61
  - Remove the Compressor Assembly62
  - Remove the Filter and Electric Box Assembly63
- Reassembly-Downflow Units63
  - Reconnecting Piping, Charging and Replacing Panels64
- Reassembly Checklist64
- Disassembly-Upflow Units74
  - Remove Compressor Assembly75
  - Remove Blower and Electric Box Assembly75
- Reassembly-Upflow Unit76
- Reassembly Checklist76
8 Electrical Connections86
- Figure 61 Electrical Field Connections for Upflow and Downflow Models87
- Table 47 Electrical Field Connection Descriptions88
- Variable Speed Drive89
9 Piping92
- Fluid Connections92
- Refrigeration Piping95
  - Piping Guidelines-Air-Cooled Units96
  - Scroll and Digital Scroll-Additional Oil Requirements98
- Dehydration/Leak Test and Charging Procedures for R-407C and R-2299
10 Piping Schematics104
- Figure 67 Piping Schematic-Air-Cooled, Semi-Hermetic Compressor Models104
11 Checklist for Completed Installation134
- Moving and Placing Equipment134
- Electrical134
- Piping134
- Other135
12 Initial Startup Checks and Commissioning Procedure for Warranty Inspection136
- Information for Warranty Inspection-Remove Power from Unit Disconnect137
- Startup Checks with Panels Removed and Main Disconnect off137
  - 12.2.1 Inspect and Record137
- Startup138
- Commissioning Procedure with Panels on139
13 Maintenance140
- Filters141
  - 13.1.1 Filter Replacement Procedure-Downflow Units142
  - 13.1.2 Filter Replacement Procedure-Upflow Units142
- Blower Drive System-Centrifugal Fans142
- Blower Drive System-EC Fans145
  - 13.3.1 Fan Impellers and Bearings145
  - 13.3.2 Protective Features145
- Humidifier-Infrared146
- Humidifier-Steam Generating148
- Condensate Drain and Condensate Pump Systems153
- Air-Cooled Condenser and Drycoolers154
- Reheat-Electric Reheat (Three-Stage and SCR)154
- Thermostatic Expansion Valve154
  - 13.9.1 Determine Suction Superheat154
  - 13.9.2 Adjust Superheat Setting with the TEV154
- 13.10 Compressor155
- 13.11 Compressor Replacement155
- 13.12 Facility Fluid and Piping Maintenance156
- 13.13 Paradenser-Water-Cooled Condenser156
  - 13.13.1 Cleaning Instructions157
- 13.14 Water/Glycol Control Valves157
14 Hvac Maintenance Checklist160
Compliance with European Union Directives167

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