Emerson Liebert CRV - Figure 126 Termination Jumper Setting

Emerson Liebert CRV

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Remote Rack Sensor Wiring

143 Liebert

®

CRV

™

Figure 126 Termination jumper setting

Unterminated

Terminated

321 321

Termination Jumper

in the Terminated Position

Circuit board inside display housing Circuit board inside 2T sensor housing

2T Sensor Housing

(back)

DIP

switches

Screws,

typically 3

Table of Contents

Default Chapter3
- Table of Contents3
- Save These Instructions11
1 Liebert Crv Component Location15
- Liebert Crv Component Location Introduction15
- Figure 1 Component Location, Common Components-600Mm (24") Models15
- Figure 2 Component Location-Liebert 300Mm (12") CR019 DX Units16
- Figure 3 Overall Dimensions, Service Area-600Mm (24") Models17
- Table 1 Dry Weight, All Model Types, ± 517
- Figure 4 Overall Dimensions, Service Area-300Mm (12") DX Models18
- Table 2 Overall Dimensions, Service Area-300Mm (12") Models18
2 Introduction19
- Product Description19
  - Figure 5 Liebert CRV, Front and Rear Views19
  - Smartaisle ™ Configuration20
3 Inspection and Unpacking21
- Equipment Inspection21
  - Packing Material21
- Handling22
- Moving the Unit Using Rigging-600Mm (24") Models24
- Figure 8 Moving the Unit Using Rigging24
- Unpacking the Liebert CRV-600Mm (24") Models25
- Figure 9 Unpacking the Liebert CRV25
- Removing the Unit from the Skid26
- Reattaching the Baffle Panel-600Mm (24") Units27
- Figure 10 Removing the 600Mm (24") Unit from the Skid27
- Uncrating and Removing the Liebert CRV from the Skid-300Mm (12") DX Units28
- Figure 11 Removing the Liebert CRV 300Mm (12") DX Unit from the Skid28
4 Preparing the Liebert Crv for Installation29
- Figure 12 Adjust Leveling Feet-600Mm (24In.) and 300Mm (12In.) Units29
5 Piping30
- Fluid Connections30
- Refrigeration and Hydraulic Circuits31
6 Refrigerant Connections for Air -Cooled Units41
- Piping Guidelines-Air-Cooled Units41
- Figure 21 Connections for Vacuum Creation and Refrigerant Charge-600Mm (24") Models42
- Figure 22 Connections for Vacuum Creation and Refrigerant Charge-300Mm (12") DX Models42
- Figure 23 Top Refrigerant Piping Connections-600Mm (24") Models43
- Figure 24 Bottom Refrigerant Piping Connections-600Mm (24") Models43
- Figure 25 Top Refrigerant Piping Connections-300Mm (12") DX Models43
- Refrigerant Piping-Air-Cooled Models43
- General Piping Layout44
- Liebert Fin/Tube Condenser Selection-600Mm (24") Units44
- Liebert MC Condenser Selection-600Mm (24") and 300Mm (12")CRV Units44
- Vacuum and Refrigerant Charge52
- Calculating Charging Values for Liebert MC Condenser Systems, Units Without Liebert Lee-Temp ™ Systems54
- Table 23 Target Subcooling for Ambient Outdoor Temperature55
- Table 24 Difference in Subcooling Measurements-Indoor Minus Outdoor56
- Table 25 Liquid Pressure and Temperature Chart57
- Charging Fin/Tube Condenser with Variable Fan Speed Control59
7 Water Onnections for60
- Glycol Units -600 MM (24") Models60
- Table 26 Water Connection Options60
- Table 27 Volume of CRV Internal Water Circuits60
- W Ater C Onnections for W Ater /G Lycol U Nits —600 MM (24") M Odels60
- Water Connections-Supply Humidifier and Drain Water61
- Glycol Mixture61
- Figure 29 Water Connection Points, Bottom Entry61
- Table 28 Glycol Mixtures61
- Water Connections: Water/Glycol-Cooled Models62
8 Water Connections for Chilled Water Units -600 MM (24") Units64
- Figure 32 Chilled Water Connections64
- Figure 33 Chilled Water Circuit65
- Figure 34 Connections-Chilled Water Models66
- Table 30 Unit Connections, Chilled Water Models66
9 Electrical67
- Lectrical Onnections67
- Electrical Field Connections Descriptions67
- Electrical Connections74
- Protective Features of the Electronically Commutated Fans-All Models81
- Protective Features of Electrical Heaters-600Mm (24") Models82
- Figure 46 Electrical Heating with Temperature Sensor Protection82
10 Startup83
- Initial Startup83
- Automatic Restart84
- Figure 47 Refrigerant Line Components-600Mm (24") Models84
- Figure 48 Refrigerant Line Components-300Mm (12") DX Models85
- Chilled Water Valve: Chilled Water 600Mm (24") Models86
- Adjust Baffles to Direct Air Properly86
11 Liebert Icom ® Control90
- Figure 53 Liebert Icom ® Default Screen Symbols91
- Table 31 Keyboard Icons and Functions91
- Control Interface92
  - 11.1.1 Navigating through the Liebert Icom Menus92
  - Figure 54 User Menu Icons and Descriptions92
  - Figure 55 Service Menu Icons93
  - Table 32 Service Menu Icons93
  - 11.1.2 Accessing Submenus94
  - Figure 56 System View Screen94
  - Figure 57 Unit View Screen94
  - 11.1.3 Submenus95
  - Figure 58 Main Screens, User, Service and Advanced95
  - Figure 59 Screen Transition96
  - Figure 60 Menu Tree-Stand-Alone Units or Units Not in a Network97
  - 11.1.4 Viewing Multiple Units with a Networked Large Display98
  - Figure 61 Liebert CRV System Screen98
  - Figure 62 Menu Tree-Liebert Crv's in a Network99
- Liebert Icom Display Readout100
- Figure 63 Display User Menu - Display Setup100
- Figure 64 Liebert Icom Menu Components for Liebert CRV101
- Figure 65 Liebert Icom ® Menu Components for Liebert CRV102
- Liebert CRV Operation-Liebert Icom Control103
  - Figure 66 Service Menu - Setpoint Screen103
  - 11.3.1 Entering a Password104
  - 11.3.2 Cooling105
  - Figure 67 Service Menu Setpoint Screen for Cooling105
  - 11.3.3 Fan Speed106
  - 11.3.4 Air Flow106
  - Figure 68 Service Menu Setpoint Screen for Fan Speed106
  - Figure 69 Service Menu Setpoint Screen for Airflow106
  - 11.3.5 Humidification107
  - Figure 70 Service Menu Setpoint Screen for Humidification107
- Liebert Icom User Menu Screens108
- Figure 71 User Menus-Setpoints Parameters Screen108
- Figure 72 User Menus-Spare Parts Screen109
- Figure 73 User Menus-Event Log Screen109
- Figure 74 User Menus-Network Screen110
- Figure 75 User Menus-Sensor Data Parameters Screen110
- Figure 76 User Menus-Sensor Data Parameters Screen111
- Figure 77 User Menus-Display Setup Parameters Screen112
- Figure 78 User Menus-Total Run Hours Parameters Screen113
- Figure 79 User Menus-Condenser Timer Screen113
- Figure 80 User Menus-Condenser Timer Screen114
- Liebert Icom Service Menu Screens115
- Figure 81 Service Menus-Setpoints Parameters Screen115
- Figure 82 Service Menus-Setpoints Parameters Screen116
- Figure 83 Service Menus-Setpoints Parameters Screen117
- Figure 84 Service Menus-Setpoints Parameters Screen118
- Service-Standby Settings Menu Screen119
- Figure 85 Service Menus-Standby Settings / Lead-Lag Parameters Screen119
- Service-Wellness Menu Screens120
  - 11.7.1 Calculating Unit Wellness120
  - Figure 86 Service Menus-Wellness Basic Settings Screen121
  - Figure 87 Service Menus-Wellness Motor Settings Parameters Screen122
  - Figure 88 Service Menus-Wellness Compressor 1 Settings Parameters Screen122
  - Figure 89 Service Menus-Wellness Electric Heater 1 Settings Parameters Screen123
  - Figure 90 Service Menus-Wellness Humidifier Settings Parameters Screen123
- Service-Diagnostics Menu Screens124
- Figure 91 Service Menus-Diagnostics / Service Mode Parameters Screen124
- Figure 92 Service Menus-Diagnostics / Service Mode Parameters Screen124
- Figure 93 Service Menus-Diagnostics / Service Mode Parameters Screen125
- Figure 94 Service Menus-Diagnostics / Service Mode Parameters - Page 4 CW Models126
- Figure 95 Service Menus-Diagnostics / Service Mode Parameters - Page 4 DX Models126
- Figure 96 Service Menus-Diagnostics / Service Mode Parameters Screen127
- Figure 97 Service Menus-Diagnostics / Service Mode Parameters Screen127
- Service-Set Alarms Menu Screens128
- Figure 98 Service Menus Figure 85 Diagnostics / Service Mode Parameters Screen128
- Figure 99 Service Menus-Set Alarms Parameters Screen128
- Figure 100 Service Menus-Set Alarms Parameters Screen129
- Figure 101 Service Menus-Set Alarms Parameters Screen129
- Service-Sensor Calibration Menu Screens130
- Figure 102 Service Menus-Set Alarms Parameters Screen130
- Figure 103 Service Menus-Set Alarms Parameters Screen130
- Figure 104 Service Menusfigure 89 Sensor Calibration / Setup Parameters130
- Figure 105 Service Menus-Sensor Calibration / Setup Parameters131
- Figure 106 Service Menus-Sensor Calibration / Setup Parameters131
- Service-System/Network Unit-Level Setup Menu Screens132
- Figure 107 Service Menus-Sensor Calibration / Setup Parameters132
- Figure 108 Service Menus-System / Network Setup Parameters-System - Page 1 for the Display132
- Figure 109 Service Menus-System / Network Setup Parameters-Large Display Only System133
- Figure 110 Service Menus-System/Network Setup Parameters Unit- Page 1 for the Board134
- Figure 111 Service Menus-System/Network Setup Parameters Unit - Page 2 for the Board135
- Service-Options Setup Menu Screens136
- Figure 112 Service Menus-Options Setup Parameters136
- Figure 113 Service Menus-Options Setup Parameters137
- Figure 114 Service Menus-Options Setup Parameters137
- Figure 115 Service-Service Contact Menu138
- Table 34 Service Contact Info Parameters139
- Service-Remote Sensors Menu Screens140
- Figure 116 Service Menus-Remote Sensor Setup140
12 Operation in Teamwork Mode141
- Unit-To-Unit Network Wiring141
- Liebert Icom U2U Ethernet Network141
- Wiring a Liebert Icom U2U Network142
- Figure 117 U2U Network Setup142
- Figure 118 U2U Network Diagram-600Mm (24In. ) Liebert CRV143
- Teamwork Modes144
13 Remote Rack Sensor Wiring150
- DIP Switch Settings150
- Figure 122 2T Rack Sensor150
- Figure 123 DIP Switches in 2T Sensors150
- Set 2T Rack Sensor Identities-DIP Switch Settings151
- Figure 124 Setting DIP Switches for 2T Sensors151
- Table 36 DIP Switch Settings151
- Terminating the Last 2T Sensor on a Network152
- Canbus and Ethernet Cable Wiring155
- Figure 128 Canbus Wire Cable with Grounding Wire156
- Route the Canbus Wire into the Cooling Unit-600Mm (24")157
- Figure 129 Route the Canbus Wire into the Cooling Unit-600Mm (24")157
- Route the Canbus Wire into the Cooling Unit-300Mm (12")158
- Sensor Location and Mounting159
- Figure 130 Top Entry Route the Canbus Wire into the Cooling Unit-300Mm (12") DX159
- Figure 131 2T Rack Sensors Installed on Neighboring Racks-600Mm (24") Models160
- Figure 132 2T Rack Sensors Installed on Neighboring Racks-300Mm (12") Models161
- Remote Rack Sensor Operation and Rack View Setup162
- Figure 133 Remote Sensor Setup, Page 1 of 1162
14 Operation163
- Figure 134 Temperature and Humidity Sensor Terminal, Viewed from the Rear of the Unit-600Mm163
- Figure 135 Temperature and Humidity Sensor and Filter Clog Sensor Viewed from Front of Unit-300Mm163
- Alarms/Events165
15 Calibration and Regulation after Startup170
- Thermostatic Expansion Valve170
  - 15.1.1 Determine Suction Superheat170
  - 15.1.2 Adjust Superheat Setting with the TEV170
- Environmental Protection170
- Calibrating Electrical Components170
- Table 37 Table170
16 Maintenance171
- Safety Instructions171
- Facility Fluid and Piping Maintenance for Water and Glycol Systems172
- Glycol Solution Maintenance172
- Spare Parts172
- Maintenance Schedule172
- Table 39 Maintenance Schedule173
- Inspect and Replace the Air Filters-600Mm (24") Models174
- Figure 136 Air Filter Location and Input Power Safety Switch-600Mm (24") Models174
- Figure 137 Remove the Air Filters-600Mm (24") Models175
- Figure 138 Differential Pressure Switch Tubes-600Mm (24") Models175
- Inspect and Replace the Air Filters-300Mm (12") Models176
- Figure 139 Remove the Air Filters 300Mm (12") Models176
- Figure 140 Differential Pressure Switch Components, 300Mm (12") DX Models177
- Condensate Drain and Condensate Pump Systems178
  - 16.8.1 Condensate Drain178
  - 16.8.2 Condensate Pump, Dual-Float178
- Air-Cooled Condenser and Drycoolers178
- 16.10 Electrical Heaters178
- Figure 141 Condensate Pump178
- 16.11 Replace a Fan179
  - Fan Replacement on 600Mm (24") Models179
  - Figure 142 Liebert CRV Fan Assembly Components179
- 16.12 Considerations When Dismantling the Unit180
- 16.13 F-Gas Regulation (EC) No. 842/2006180
17 Troubleshooting182
- Table 40 Unit Diagnostics182
- Table 41 Liebert Icom ® Medium Control Board Dipswitch Settings184
Appendix A-Humidifier-600Mm(24") Unitsonly.185
- Principal of Operation185
Appendixa - Humidifier -600 MM (24") Units Only185
Appendixb - Remote Rack Sensor Troubleshooting190
- Figure 146 Canbus and Ethernet Cable Wiring190
Appendix B-Remoteracksensortroubleshooting.191
- Starting Point191

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