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Vertiv VRC100 User Manual
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Vertiv VRC100 User Manual

Vertiv VRC100 User Manual

Vrc self-contained rack cooler
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VRC Self-Contained Rack
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Summary of Contents for Vertiv VRC100

  • Page 1 VRC Self-Contained Rack Cooler User Manual...
  • Page 2 The products covered by this instruction manual are manufactured and/or sold by Vertiv. This document is the property of Vertiv and contains confidential and proprietary information owned by Vertiv. Any copying, use or disclosure of it without the written permission of Vertiv is strictly prohibited.
  • Page 3 Vertiv™ VRC Self-Contained Rack Cooler User Manual TABLE OF CONTENTS 1 Important Safety Instructions 2 Product Overview 2.1 Model Nomenclature 2.2 Name Plate 2.3 Components 2.3.1 Evaporator Coil 2.3.2 Condensate Drain Tray 2.3.3 Evaporator EC Fan 2.3.4 Electronic Expansion Valve 2.3.5 Compressor...
  • Page 4 Vertiv™ VRC Self-Contained Rack Cooler User Manual 6 Display Operation 6.1 Display 6.2 Operation 6.3 Menu 6.3.1 Alarm Menu 6.3.2 Temp Set 6.3.3 System State 7 Start-up 7.1 Inspection Before Start-up 7.2 Starting up the Unit 8 Maintenance 8.1 Safety Instructions 8.2 Electrical Inspection...
  • Page 5 This manual contains important safety instructions that should be followed during the installation and maintenance of the Vertiv™ VRC self-contained rack cooler. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Any operation that requires opening doors or equipment panels must be carried out only by properly trained and qualified personnel.
  • Page 6 Vertiv™ VRC Self-Contained Rack Cooler User Manual WARNING! Arc flash and electric shock hazard. Open all local and remote electric power-supply disconnect switches, verify with a voltmeter that power is Off and wear appropriate, OSHA- approved personal protective equipment (PPE) per NFPA 70E before working within the electric control enclosure. Failure to comply can cause serious injury or death.
  • Page 7 Adherence to the safety instructions is mandatory to ensure personnel safety and prevent any environmental impact apart from equipment damage. Unsuitable components will impede equipment performance and may cause equipment shutdown. Therefore, Vertiv recommends the use of Vertiv OEM or Vertiv-approved components.
  • Page 8 Vertiv™ VRC Self-Contained Rack Cooler User Manual This page intentionally left blank. 1 Important Safety Instructions...
  • Page 9 It is designed for the 19” EIA server rack and is easy to install. The cooling capacity varies from 25% to 100%, about 0.9 kW to 3.5 kW. The VRC1 series include the following models: VRC100, VRC101 and VRC102B.
  • Page 10 Vertiv™ VRC Self-Contained Rack Cooler User Manual Item Description Item Description Condenser air outlet Condenser air inlet Evaporator return air Rear side of the rack Evaporator supply air Front side of the rack 2.1 Model Nomenclature Table 2.1 VRC Self-contained Rack Cooler Model Number Digit Definitions...
  • Page 11 The major components of the cooling unit include the evaporator coil, evaporator EC fan, electronic expansion valve, compressor, condenser coil, and condenser fan. Figure 2.5 Components Item Description Item Description Evaporator Condenser Condenser AC fan (for VRC100 and VRC101) or Evaporator EC fan condenser EC fan (for VRC102B) Compressor 2 Product Overview...
  • Page 12 Vertiv™ VRC Self-Contained Rack Cooler User Manual 2.3.1 Evaporator Coil The V shaped evaporator coil provides maximum surface area for heat transfer. The sensible heat ratio (SHR) is higher than 0.9. The coil is made of copper tubes with aluminum fins.
  • Page 13 The L-shaped condenser coil is designed for a maximum contact area. It is made of copper tubes with aluminum fins. 2.3.7 Condenser Fan The condenser fan varies its speed with the condensing pressure. AC fan is used for VRC100 and VRC101, and EC fan is used for VRC102B.
  • Page 14 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 2.10 Sensors and Switch in the Unit Item Description Item Description Return air temperature sensor Discharge temperature sensor Low pressure transducer High pressure switch Suction temperature sensor High pressure transducer Supply air temperature sensor 2.4 Technical Specifications...
  • Page 15 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 2.2 Technical Specifications (continued) Parameters Specification Voltage Vac L+N+G, 120 Vac L1+L2+G, 208 Vac/230 Vac L+N+PE, 230 Vac Frequency Hz 50/60 Color EG7021 (Black) System protection grade IP20 (IEC 60529) Net weight kg (lb) 72 (158.7)
  • Page 16 Vertiv™ VRC Self-Contained Rack Cooler User Manual Temperature of Condenser Inlet Air Minimum Capacity 25 °C (77 °F) 30 °C (86 °F) 35 °C (95 °F) 19 °C (66 °F) 0.89 kW 0.88 kW 0.87 kW 21 °C (70 °F) 0.90 kW...
  • Page 17 Vertiv™ VRC Self-Contained Rack Cooler User Manual 3 Pre-Installation WARNING! Only trained and qualified personnel must be allowed to install, maintain, and operate the unit. WARNING! The sharp edges, sharp angles of the object, and bare buckle can result in severe injury. Only properly trained and qualified personnel wearing appropriate, OSHA-approved PPE should attempt to move, lift, remove packaging from or prepare the unit for installation.
  • Page 18 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 3.1 Dimensions and Weight of the Packaged Unit Packaging Material Dimensions mm (in.) Weight with Package kg (lb) Wood case 900 (35.4) 730 (28.7) 1170 (46.1) 134 (295.4) Figure 3.2 Inserting Forks in This Direction When moving the packaged unit, align the fork arms with the center of gravity and do not tilt the unit more than 22 degrees any direction to prevent it from falling over.
  • Page 19 Vertiv™ VRC Self-Contained Rack Cooler User Manual 2. Remove the wooden case. 3. Put the EPE and the ceiling tile kit aside. 4. Remove the unit from the wooden pallet and place it to its installation site. Figure 3.4 Unpacking the Unit...
  • Page 20 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 3.2 Accessories (continued) Item Quantity Display Display kit Display cable (10 m (32.8 ft)) Display cable (0.5 m (1.6 ft)) M6 cage nut M5 x 12 Torx center screw Fittings M5 x 12 Torx pan head screw...
  • Page 21 Vertiv™ VRC Self-Contained Rack Cooler User Manual 3.3 Customer-Prepared Materials Circuit breakers should be prepared by customers. Choose the circuit breakers by referring to the full load amperage listed in Technical Specifications on page 10 . 3.4 Environment Requirements Note the following when placing the unit: •...
  • Page 22 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 3.6 Condenser Airflow Space Requirement Item Description Item Description VRC self-contained rack cooler Cold air from evaporator to servers Wall Hot air from servers to evaporator Servers in the rack Transition part...
  • Page 23 Vertiv™ VRC Self-Contained Rack Cooler User Manual 4 Mechanical Installation 4.1 Unit Dimensions and Overall View The dimensions of the unit are shown in Figure 4.1 below . Figure 4.1 Unit Dimensions The overall view of the unit is depicted in Figure 4.2 on the next page . The hot air generated by condenser is discharged through the transition part and the duct to the ceiling.
  • Page 24 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.2 Overall View of the Unit Item Description Item Description Ceiling tile unit Condensate pump Flex duct maximum length = 3.8 m (12.5 ft) VRC self-contained rack cooler 4.2 Installing the Unit in the Rack The installation process includes mounting the unit in the rack, installing accessories, installing the condensate pump, and connecting the duct.
  • Page 25 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.3 Installing the Evaporator Filter Item Description Item Description Condenser air outlet Bracket Evaporator return air Filter Evaporator supply air Screw Condenser air inlet To mount the unit in a 4-post rack: NOTE: To mount the unit in a 2-post rack, you need to purchase the accessory 2POSTRMKITVRC.
  • Page 26 Vertiv™ VRC Self-Contained Rack Cooler User Manual Item Description Front rail part VRC rear left bracket Slotted rear bracket VRC front left rail Note: The cross section of the vRack is shown for illustrative purposes 2. Dismantle the C-pillar and D-pillar from the rear side.
  • Page 27 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.6 Rear View Item Description Strain relief bushing Electrical access panel 3. Use two lifting straps and the handles of the unit to slide the unit into the rack from the front side, till the B- pillar and the A-pillar are completely flushed against the rack 19-inch profiles.
  • Page 28 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.8 Mounting the Unit in the Rack Item Description Item Description Profile Distance from front rail to front door = 121 mm (4.76 in.) Rack 4. The distance between A-pillar and C-pillar (or between B-pillar and D-pillar) is 737 mm (29 in.). If the rack space is suitable, then install the C-pillar and D-pillar back again onto the unit body casing.
  • Page 29 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.9 Removing the Power Cable Clamp Item Description Power cable clamp Installing the Drain Fitting on the Unit Fasten the drain fitting to the drain port of the unit. The drain fitting contains a sealing block which is used for preventing the water leaking from the drain fitting port.
  • Page 30 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.10 Installing the Drain Fitting Item Description Drain fitting sealing block Drain fitting Installing the Transition Part on the Unit Install the transition part on the condensing air discharge side with six M5 x 12 pan head screws and six M5 contact washers.
  • Page 31 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.11 Installing Transition Part Item Description Item Description VRC self-contained rack cooler M5 contact washer (six pieces) Transition part M5 x 12 pan head screw (six pieces) Connect the L-shaped Pipe to the Drain Fitting Connect the L-shape pipe to the drain fitting and fasten the connection with a cable tie.
  • Page 32 Vertiv™ VRC Self-Contained Rack Cooler User Manual Item Description L- shaped pipe, ID =16 mm (5/8") 4.2.3 Installing the Condensate Pump The condensate pump bracket includes two parts: bracket 1 and bracket 2. The pump has been pre-installed on bracket 1 in factory.
  • Page 33 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.14 Pump Pre-installed on Bracket 1 Item Description Item Description Pump power cable Reservoir Pipe 2 Pump ID = 6 mm (1/4 in.), L=300mm (11.8 in.) Pipe 3 Communications cable for pump ID = 6 mm (1/4 in.)
  • Page 34 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.15 Installing Bracket 1 on the Unit Item Description Contact washers for M5 x 12 pan head screws (two pieces) M5 x 12 pan head screws (two pieces) 3. Connect the L-shaped pipe and the reservoir. Use a cable tie to fix it.
  • Page 35 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.17 Installing Bracket 2 Item Description M5 screw Bracket 2 A condensate water pipe (7.5 m (24.6 ft)) is provided as an accessory. It can be used to extend drainage lines. Figure 4.18 Anti-siphoning Device and Condensate Water Pipe The pump power plug can be pulled out from the gap between the pump bracket and the transition part.
  • Page 36 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 4.1 Pump Power Plug Unit Model Plug Rating VRC100 NEMA 5-20 20 A, 125 Vac VRC101 IEC60320 C14 10 A, 250 Vac VRC102B IEC60320 C14 10 A, 250 Vac 4.2.4 Connecting the Duct The total length of the cylindrical part of the transition part is 100 mm (3.94 in.).
  • Page 37 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 4.21 Connecting the Duct and Ceiling Tile Item Description Item Description A hook for construction Clamp PN: 63128710 Ceiling tile for air outtake PN:21243048 Flex air duct PN: 27140303 NOTE: The hook on the ceiling tile can help fasten the ceiling tile to the ceiling.
  • Page 38 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 4.2 Installation Checklist (continued) Item Results Foreign materials (such as shipping materials, removed structural materials, tools, etc.) in and around the equipment are removed The condensate drain pipe is connected 4 Mechanical Installation...
  • Page 39 Vertiv™ VRC Self-Contained Rack Cooler User Manual 5 Electrical Installation WARNING! Arc flash and electric shock hazard. Open all local and remote electric power-supply disconnect switches, verify with a voltmeter that power is Off and wear appropriate, OSHA- approved personal protective equipment (PPE) per NFPA 70E before working within the electric control enclosure.
  • Page 40 5.2.1 Connecting Power Cable for the Unit The electrical box is located at the back of the unit. For VRC100 and VRC101, the power cord with plug has been connected to the unit in factory. For VRC102B, the IEC 60320 C19 to C20 interconnection cable (3.0 m (9.8 ft)) is provided as an accessory.
  • Page 41 SIC card monitoring kit. For details, see SIC Field Instructions. The RS485-2 is reserved; it can be used for communication with Vertiv rPDU. NOTE: The reserved port cannot support two active Modbus RTUs simultaneously.
  • Page 42 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 5.1 Communications Port Description (continued) RJ45 Pin Number RS485-1 RS485-2 5.3 Installation Checklist Table 5.2 Installation Checklist Item Result The power supply voltage meets the rated voltage on the unit nameplate The system electric loop has no open circuit or short circuit...
  • Page 43 Vertiv™ VRC Self-Contained Rack Cooler User Manual 6 Display Operation 6.1 Display The display is made up of two indicators, a back-lit LCD screen, and function buttons. Figure 6.1 Appearance of the Display Item Description Item Description Run indicator Up button...
  • Page 44 MANU: manual mode; BKUP: backup; Lock: alarm lock NOTE: For VRC100 and VRC101, the temperature is in Fahrenheit. For VRC102B, the temperature is in Celsius. Press the ENT button. The password screen is displayed. Do not enter password. Press the ENT button four times to enter the main menu screen.
  • Page 45 Vertiv™ VRC Self-Contained Rack Cooler User Manual 6.3 Menu 6.3.1 Alarm Menu On the main menu screen, select Alarm Menu to enter the alarm menu screen. Press the Up or Down button to scroll up or down the menu items.
  • Page 46 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 6.6 Alarm Value Setup Figure 6.7 System Alarm Setup Figure 6.8 Alarm Handle Setup 6.3.2 Temp Set On the main menu screen, select Temp Set to enter the temperature settings screen. There are two control modes: supply air control mode and return air control mode.
  • Page 47 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 6.9 Temperature and Humidity Settings 6.3.3 System State On the main menu screen, select System State to enter the system state screen. . Figure 6.10 System State On the run time screen, you can query the operation time of the unit.
  • Page 48 Vertiv™ VRC Self-Contained Rack Cooler User Manual Figure 6.12 Date and Time 6 Display Operation...
  • Page 49 Vertiv™ VRC Self-Contained Rack Cooler User Manual 7 Start-up 7.1 Inspection Before Start-up Mechanical Aspects • Connect the condensate water drainage pipe. Check that there is no leakage in the connections. • Check that the unit has at least 30% of the designated head load. If not, use heating devices to provide enough heat load for the start-up.
  • Page 50 Vertiv™ VRC Self-Contained Rack Cooler User Manual This page intentionally left blank. 7 Start-up...
  • Page 51 Adherence to the safety instructions is mandatory to ensure personnel safety and prevent any environmental impact apart from equipment damage. Unsuitable components will impede equipment performance and may cause equipment shutdown. Therefore, Vertiv recommends the use of Vertiv OEM or Vertiv-approved components.
  • Page 52 Vertiv™ VRC Self-Contained Rack Cooler User Manual 8.2 Electrical Inspection Inspect the control board and temperature sensor every six months for loose electrical connections and circuit corrosion. Firmly tighten all the electrical contacts. Find out the non-insulated contacts and rectify them with proper insulation covering.
  • Page 53 Vertiv™ VRC Self-Contained Rack Cooler User Manual 8.3.3 Compressor CAUTION: Avoid touching or having skin contact with the residual gas and oils in the compressor. Wear long rubber gloves to handle contaminated parts. The air conditioning system contains refrigerant. The release of refrigerant is harmful to the environment.
  • Page 54 Vertiv™ VRC Self-Contained Rack Cooler User Manual Item Description Item Description Pump power cable Reservoir Pipe 2 Pump ID = 6 mm (1/4 in.), L=300 mm (11.8 in.) Pipe 3 Communications cable for pump ID = 6 mm (1/4 in.)
  • Page 55 Vertiv™ VRC Self-Contained Rack Cooler User Manual Item Description Item Description Front side of the ceiling filter M5 screw Rear side of the ceiling filter Limit column on ceiling tile 8.4 System Diagnosis Testing Use the manual mode of the microprocessor controller to enable and disable unit components, so as to detect the state of the components.
  • Page 56 Vertiv™ VRC Self-Contained Rack Cooler User Manual 8.6 Cooling System Inspection The cooling system components must be inspected monthly for abnormalities in the operation which can cause abrasions due to continuous operation. As the failure or damage of components is usually accompanied by corresponding faults, check regularly to prevent system faults.
  • Page 57 Vertiv™ VRC Self-Contained Rack Cooler User Manual 8.8 Monthly Maintenance Checklist Table 8.3 Monthly Maintenance Checklist Component Inspection Items Remarks Filters (two VRC Check if filter is clogged and damaged filters, one pump filter, Clean the filter one ceiling tile filter)
  • Page 58 Vertiv™ VRC Self-Contained Rack Cooler User Manual This page intentionally left blank. 8 Maintenance...
  • Page 59 Vertiv™ VRC Self-Contained Rack Cooler User Manual 9 Troubleshooting WARNING! Certain circuits carry lethal voltages. Only professional technicians are allowed to maintain the unit. Extra precautions should be taken when troubleshooting a live unit. Be particularly careful troubleshooting with the unit’s power switched on.
  • Page 60 Vertiv™ VRC Self-Contained Rack Cooler User Manual Table 9.1 Troubleshooting for the Unit (continued) Fault Occurrence Possible Cause Check or Remedy The mounting position is not even Check mounting position state Compressor vibration or The fixing parts are loose Check the fixing nuts of compressor and fasten again...
  • Page 61 Vertiv™ VRC Self-Contained Rack Cooler User Manual 10 Appendices Appendix A: Diagrams A.1 System Diagram 10 Appendices...
  • Page 62 Vertiv™ VRC Self-Contained Rack Cooler User Manual A.2 Wiring Diagram (VRC100 Unit) 10 Appendices...
  • Page 63 Vertiv™ VRC Self-Contained Rack Cooler User Manual A.3 Wiring Diagram (VRC101 Unit) 10 Appendices...
  • Page 64 Vertiv™ VRC Self-Contained Rack Cooler User Manual A.4 Wiring Diagram (VRC102B Unit) 10 Appendices...
  • Page 65 Appendix B: Suppliers Declaration of Conformity Unique Identifier: VRC100, VRC101 Party Issuing Supplier’s Declaration of Conformity Vertiv Group Corp. 1050 Dearborn Driver Columbus, OH, US Customer service hotline: 1-800-LIEBERT (1-800-543-2378) FCC Compliance Statement (for products subject to Part 15) This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 66 United States: +1 800 543 2378; +1 800 543 2778; +1 800 222 5877 Europe, the Middle East and Africa: For technical support, please contact your local Vertiv or Partner office. You can also contact us using the contact details on our website: https://www.vertiv.com/en-emea/contacts2...
  • Page 67 Vertiv™ VRC Self-Contained Rack Cooler User Manual...
  • Page 68 Vertiv.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2025 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness here, Vertiv Group Corp.

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