Emerson 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A - Manual

Emerson 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A

Emerson 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – TABLE OF CONTENTS; CRV C
  • Page 4 – ii; COM
  • Page 5 – iii; FIGURES
  • Page 6 – iv
  • Page 8 – TABLES
  • Page 9 – MPORTANT; SAVE THESE INSTRUCTIONS; WARNING
  • Page 10 – from the Liebert CRV.
  • Page 11 – NOTICE; On and system pump operating.; NOTE; for field installation.
  • Page 12 – IEBERT; OMPONENT; Figure 1; Front
  • Page 13 – Figure 3
  • Page 14 – Figure 5; Model Type; Rear; Cold Air; Door Fully Open; Top; Ins
  • Page 15 – NTRODUCTION; Product Description; Figure 6
  • Page 16 – NSPECTION; Equipment Inspection; use or dispose of it appropriately.; Handling; Figure 7; CAUTION; prepare the unit for installation.
  • Page 17 – Table 2; Handling the Unit While it is Packaged; Forklift
  • Page 18 – Moving the Unit Using Rigging; are required to move the Liebert CRV to its installation location.; Figure 9; Unpacking the Liebert CRV
  • Page 19 – Figure 10 Unpacking the Liebert CRV; Removing the Unit from the Skid; Open the top panel door with the mounted control (refer to
  • Page 20 – Figure 11 Removing the unit from the skid; Reattach the Baffle Panel
  • Page 21 – REPARE; CRV; FOR; Torx Bit to prepare for installation.; Figure 12 Adjust leveling feet
  • Page 22 – IPING; parallel to the airflow.; Fluid Connections
  • Page 23 – Gravity Drain—Units Without Factory-Installed Condensate Pump; without; Figure 13 Gravity drain; Condensate Pump; with; Humidifier Supply Water—Optional Steam Generating Canister; CORRECT; INCORRECT
  • Page 24 – Requirements of Systems Using Water or Glycol; ing, fluid chemistry and fluid maintenance.
  • Page 25 – Leak Checking of Unit and Field Piping
  • Page 26 – EFRIGERANT; matter back to the compressor.
  • Page 27 – Piping Guidelines—Air-Cooled Units; piping is in place, ready for connection to the unit and condenser; Tables 7; through; Table 6; Refrigerant Piping—Air-Cooled Models; Figure 14 Top refrigerant piping connections; If using bottom
  • Page 29 – Figure 16 Pipeline air conditioner - condenser; and; Table 7
  • Page 30 – Table 9; Entering Hot Gas
  • Page 31 – Steps a
  • Page 32 – Figure 17 Connections—air-cooled models; RG; Top Connections; HS
  • Page 33 – Unit Connections
  • Page 34 – Vacuum and Refrigerant Charge; refrigerating compressor.; R-410A refrigerant and oil charge for air-cooled models; Air-cooled condenser refrigerant charge
  • Page 35 – Variable Fan Speed Control Leak Check and Evacuation Procedure; Variable Fan Speed Charging on page 28; Suction and Supply Line Connections
  • Page 36 – Variable Fan Speed Charging; charge data in; the diagnostic section of the Liebert iCOM
  • Page 37 – ATER; Water Connections—Supply Humidifier and Drain Water, All Models; Figure 19 Water connection points, bottom entry; • Condensate drain without pump:; Appendix A - Humidifier
  • Page 38 – Glycol Mixture; Appendix D - Refrigeration and Hydraulic Circuits; by Volume
  • Page 39 – Chilled Water Connections: Chilled Water Units; Figure 20 Chilled water connections; Refer to; Figure 21 Chilled water circuit; Tubing Support; Liebert CRV
  • Page 40 – Figure 22 Air bleeding valve position CW; REAR VIEW
  • Page 41 – Figure 23 Connections—water/glycol models; Bottom Connections
  • Page 43 – Figure 24 Connections—chilled water models
  • Page 44 – Figure 25 Recommended drycooler Installation
  • Page 45 – LECTRICAL; Electrical connections; Figure 26 Remove electrical panel and lower front panel
  • Page 46 – Figure 27 Power and control cable entry points and routing; Before proceeding with the electrical connections, ensure that:; Wiring Connections; Appendix B - Electrical Data
  • Page 47 – Protective Features of the Electrically Commutated Fans; The EC fans are protected against:; Protective Features of Electrical Heaters; Temperature
  • Page 48 – TARTUP; Initial Startup; Ensure that the refrigerant charge is correct (see; fan blades have stopped before working on the unit.
  • Page 49 – Checks to Perform after Startup; calibrated correctly, and that it controls the fan operation.; Automatic Restart; before restarting the unit.; Figure 29 Refrigerant line components
  • Page 50 – Chilled Water Valve: Chilled Water Models; Figure 4; bulletins are enclosed with documentation onboard the unit.; Adjust Baffles to Direct Air Properly; any work on the unit.
  • Page 51 – . Remove the screws and; Figure 31 Adjust the baffles to ensure correct airflow direction; display door, or it can be removed to discharge air left and right.
  • Page 52 – Figure 32 Adjust air-blocking plate; Remote Rack Sensor Wiring; Ethernet network to leverage all of the Liebert iCOM; Wiring a Liebert; or as a reference sensor.; FRONT VIEW
  • Page 53 – Figure 33 Figure 2T rack sensor; T Rack Sensor; T Sensor
  • Page 54 – Set 2T Rack Sensor Identities—DIP Switch settings; Figure 35 Setting 2T Sensor DIP Switches; Terminating the Last 2T Sensor on a Network; Note
  • Page 55 – Figure 36 Termination jumper setting; Route the CAN bus wire into the cooling unit; it is recommended that you hire a certified electrician.; Unterminated; Termination Jumper; Inside of Display Door
  • Page 56 – Figure 37 2T rack sensors installed on neighboring racks; T SENSOR CHAIN
  • Page 57 – Located in the Service / Rack Setup Menu of the Liebert iCOM; Remote Rack Sensor Operation and Rack View Setup; Figure 38 Rack setup screen, page 1 of 3
  • Page 58 – Figure 40 Rack setup screen, page 3 of 3; value up to four positions.; Figure 41 Rack overview screen; sensor is currently measuring.; All temperatures shown in °F
  • Page 59 – ONTROL; Keyboard icons and functions; Icon; ESC
  • Page 60 – Figure 42 Liebert iCOM; Navigating Through the Liebert iCOM Menus; or Advanced menus, press the right arrow key.; Accessing Submenus on Large Displays; Entering a Password on page 53
  • Page 61 – Password; Figure 43 Entering a password; changes can then be made to parameters in either level.; SETPOINTS; to change parameter; Relative
  • Page 62 – Figure 44 Menu tree—Large display, stand-alone
  • Page 63 – Viewing Multiple Units with a Networked Large Display; word; Figure 45 Menu tree—Large display, networked; System
  • Page 64 – Figure 46 User menu icons; User Menu; SET; EVENT; SET
  • Page 65 – Figure 47 Service menu icons; RACK; DO; SERVICE
  • Page 67 – Display Readout; remote rack sensors are connected.; Figure 48 Liebert CRV system screen; average, maximum and minimum of all connected sensors.; SYSTEM; Liebert; SYSTEM ON
  • Page 68 – Figure 49 Liebert iCOM; UNIT ON; UNIT ON
  • Page 69 – Control Setup; for other applications shown in; Figure 50 Setpoint screen; In; Supply
  • Page 70 – panels, server population and if containment is being used; Wellness—Next Maintenance Calculation; Calculation of Next Maintenance and Diagnostics; Controlling sensor settings; Cooling Control
  • Page 71 – Calculating Unit Wellness
  • Page 72 – Liebert CRV Operation—Liebert iCOM; will deactivate when the temperature setpoint has been reached.
  • Page 73 – User Menu Screens; Check; Figure 51 User menu icons; unit will maintain by applying cooling and or reheats.; Humidity Setpoint; maintain by removing or adding moisture to the air.; Spare Part List; Spare Parts; Event Log; for next/previous unit
  • Page 74 – View Network; Figure 53 Sensor data parameters screen; Active Alarms
  • Page 75 – Figure 54 Display setup parameters screen; menu parameters will be converted to the selected language.
  • Page 76 – Figure 55 Total run hours parameters screen; component can operate before the next maintenance.; Service Menu Screens; parameters is; Figure 56 Service Menu Main Screen; SERVICE MENUS; to select parameter; to unselect
  • Page 77 – Figure 57 Setpoints parameters screen - Page 1; —This parameter selects the type of control the system will use to
  • Page 78 – Figure 58 Setpoints parameters screen - Page 2
  • Page 79 – Figure 59 Setpoints parameters screen - Page 3
  • Page 80 – Figure 60 Setpoints parameters screen - Page 4; reached faster when compared to the calculated call for fan.; Unit Diary—Large Display Only; situations, such as high temperature and a single fan failure.; Unit diary parameters; Function; Text entered with iST
  • Page 81 – Figure 61 Standby settings / lead-lag parameters screen; PASSW ORD
  • Page 82 – Figure 62 Wellness basic settings screen- Page 1
  • Page 83 – Figure 63 Wellness motor settings parameters screen - Page 2; —This parameter shows the number of starts for the unit’s fans.
  • Page 84 – occurred with the unit’s compressor.
  • Page 85 – —This parameter shows the number of starts for the unit’s reheats.; Screen displayed
  • Page 86 – Figure 66 Wellness humidifier settings parameters screen - Page 5; occurred with the unit’s humidifier.
  • Page 87 – Figure 67 Diagnostics / service mode parameters screen - Page 1; —Compressor 1 high pressure alarm code.; LP 1 Alarm Code; this refer to the Liebert iCOM; HT 1 Alarm Counter; —Current refrigerant low pressure side reading in atmosphere for; Actual HP1 Pressure
  • Page 88 – Figure 68 Diagnostics / service mode parameters screen - Page 2
  • Page 89 – Figure 70 Diagnostics / service mode parameters screen - Page 4
  • Page 90 – Figure 71 Diagnostics / service mode parameters screen - Page 5
  • Page 91 – Figure 73 Set alarms parameters screen - Page 1; an alarm on the Liebert iCOM
  • Page 92 – Figure 74 Set alarms parameters screen - Page 2
  • Page 93 – Figure 76 Set alarms parameters screen - Page 4; the red LED on the display
  • Page 94 – Figure 77 Sensor calibration / setup parameters - Page 1; —This parameter shows the adjusted temperature value of the; Figure 78 Sensor calibration / setup parameters - Page 2
  • Page 95 – Figure 79 Sensor calibration / setup parameters - Page 3
  • Page 96 – Figure 80 Sensor calibration / setup parameters - Page 4
  • Page 97 – Liebert iCOM
  • Page 98 – Figure 83 System/Network setup parameters Unit- Page 1; —This parameter sets the address used by the Liebert IntelliSlot
  • Page 99 – Figure 84 System/Network setup parameters Unit - Page 2; housing. iGMNet will activate
  • Page 100 – Figure 85 Rack Overview, Page 1; —The Liebert CRV is using the sensor for temperature control.; Reference; —The sensor value is shown, but not used for temperature control.; Disable; —No sensor connected.
  • Page 101 – Figure 87 Rack Setup, Page 2; first group of six “boxes.”
  • Page 102 – Figure 89 Options setup parameters - Page 1; —This parameter sets the amount of time that the unit will ignore a; Electric Stages; the factory based on the valves manufacturer specifications.; P Actuator Direction; parameters must be adjusted:
  • Page 103 – Figure 90 Options setup parameters - Page 2; to dehumidify when the humidity is above setpoint.; Auto Restart Enabled; configuration is “On”.
  • Page 104 – Service contact info parameters
  • Page 105 – PERATION; Cascade; the temperature setpoint.; Teamwork Modes 1 and 2; help manage the large amount of sensor information Liebert iCOM; Liebert iCOM U2U Ethernet Network; technical issues contact:; [email protected]
  • Page 106 – Wiring a Liebert iCOM; cable connects to the P64 port on the back of the large display (see; Figure 91 U2U network setup diagram; Network
  • Page 107 – Wall-Mount Large Display; Figure 92 Wiring a large display for U2U network operation; See Note 4; Large Graphics Display
  • Page 108 – Figure 93 Teamwork modes and sensor management; : Multiple zones in one room; Teamwork Mode 1; : Balanced load (small groups of units inside the same environment); Teamwork Mode 2; well for most applications); Standby and Cascade on; ). AutoSet will not adjust the proportional band in this mode.
  • Page 109 – Figure 94 Teamwork Mode 1 with two cooling units; not adjust the proportional band in this mode.; deadband and related settings may differ.
  • Page 110 – configuration, when the rotation parameter is set to 2.; Standby and Cascade; respond to the request after its control delay.
  • Page 111 – Cooling; dehumidification to allow the room temperature to stabilize.
  • Page 112 – Humidification; stream via the steam distribution pipe. (See also; Example; The Liebert iCOM
  • Page 113 – The following alarms and events are supported by the Liebert iCOM
  • Page 114 – ALIBRATION; ual for the equipment.; Thermostatic Expansion Valve; Adjust Superheat Setting with the TEV; Environmental Protection; economic and environmental damage.; for the new balance to take place.
  • Page 115 – AINTENANCE; Safety Instructions; ensure they are not receiving electrical input power.
  • Page 116 – Maintenance Schedule; an inspection report.
  • Page 117 – Inspect and Replace the Air Filter; cuts the input power see; Figure 96 Air filter location and input power safety switch
  • Page 118 – To extract the filters (refer to; Figure 97 Remove the air filters; drain trays are clean and the pipe secure.; Figure 98 Differential pressure switch tubes; remains in safety status.
  • Page 119 – Condensate Drain and Condensate Pump Systems; Figure 99 Condensate pump; Electrical Heaters
  • Page 120 – Dismantling the Unit; containing hazardous substances.; Refrigerant Connections; maintenance activities in a dedicated log book.
  • Page 121 – ing operation at the installation site.
  • Page 122 – ROUBLESHOOTING; Unit diagnostics; Problem
  • Page 123 – DIPswitch
  • Page 124 – PPENDIX; RINCIPAL; When the Liebert iCOM; Figure 100 General diagram—humidifier operation
  • Page 125 – A.1.1 Humidifier Water Supply and Plumbing; Figure 101 Water connection to humidifier
  • Page 127 – Remove the Old Cylinder; The cylinder is now ready to be lifted out of the unit.; Installing the New Cylinder; and new cylinder plugs must be ordered.; Figure 102 Sensor pins, cylinder plugs; Humidifier Maintenance; Cylinder Pin
  • Page 128 – Terms Used; are amps listed on the humidifier specification label.; Short cycling; required to maintain output.; Foaming; level of the foam approaches the top of the cylinder.; Back pressure; the LED (DS1) located on the sensor circuit board will be solid green.; Figure 103 CAN bus and Ethernet cable wiring
  • Page 129 – TARTING; then inspect the following while referring to the wiring diagram:
  • Page 130 – Humidifier troubleshooting; Unit Status Lamp
  • Page 131 – grounded center tap will exceed the 300V line-to-ground limit.; Calibration of electrical components
  • Page 132 – overcurrent protective device size.
  • Page 133 – Figure 104 Electrical field connections; Refer to C.1 Standard Electrical Connections and
  • Page 134 – Figure 105 General arrangement—air-cooled units; Distributor; Outdoor VFD Condenser; Outdoor Lee-Temp Condenser
  • Page 135 – Figure 106 General arrangement—water-glycol units
  • Page 136 – Figure 107 General arrangement—chilled water
  • Page 137 – NOTES
  • Page 140 – by helping customers optimize their data center; Business-Critical Continuity
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CRV

User Manual–60Hz, 24-Inch Wide, Air-Cooled, Water/Glycol-Cooled and Chilled Water

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Summary

Page 3 - TABLE OF CONTENTS; CRV C

i TABLE OF CONTENTS 1.0 L IEBERT CRV C OMPONENT L OCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 Product Description ...

Page 4 - ii; COM

ii 9.5 Remote Rack Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 9.5.1 DIP Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 9.5.2 Set 2T Rack S...

Page 5 - iii; FIGURES

iii 14.3 Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 14.4 Inspect and Replace the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 14.5 Condensate Drain and ...

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