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Summary of Contents for Vertiv VRC1 Series
- Page 1 VRC Self-Contained Rack Cooler VRC1 Series User Manual...
- Page 3 VRC Self-Contained Rack Cooler User Manual Version V1.4 Revision date Mar 18, 2020 31014115...
- Page 5 Violators will be liable for damages. All rights, including rights deriving from patent license or registration of a utility model or design, are reserved. No part of this document may be reproduced or transmitted in any form or by any means without the prior written consent of Vertiv Group Corp. Notice The purchased products, services, and features are stipulated by the contract made between Vertiv Group Corp.
- Page 6 Purpose of the Document This document applies to the VRC1 series of cooling solutions which maintain an optimal environmental control mainly for technological ecosystems at minimal operating costs. This document gives an overview of the technical specification. The figures used in this document are for reference only. Please read this manual carefully.
- Page 7 isolate power from the unit, even in the “Unit Off” mode. Some internal components require and receive power even during the “Unit Off” mode of the Liebert® controller. 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 8 Unsuitable components will impede equipment performance and may cause equipment shutdown. Therefore, Vertiv recommends the use of Vertiv OEM or Vertiv-approved components. CAUTION: Switch off the VRC1 unit and then switch off the power input during equipment maintenance.
- Page 9 It is designed specifically to be installed inside a 19” EIA server rack and is developed based on the Global R&D Platform of Vertiv Group Corp. This manual focuses on the user instructions, including overview, instructions for installation preparations, mechanical installation, electrical installation, system startup and commissioning, controller operation, system operation and maintenance, and troubleshooting, etc.
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Page 10: Table Of Contents
TABLE OF CONTENTS Table of Contents Product Overview .............................. 1 Product Introduction ..........................1 Model Description ..........................1 Model Nomenclature ..........................2 Components ............................2 Technical Specifications ......................... 5 Pre-Installation ..............................8 Fittings ..............................9 Self-Prepared Material .......................... 9 Transportation and Movement ......................9 Unpacking ............................ - Page 11 Monthly Routine Inspection Items ...................... 42 Routine Inspection Items (Semi-annually) ..................43 System Diagnosis Testing ........................43 Electrical Maintenance ........................44 Controller Connections Maintenance ....................44 7.10 Filters Maintenance Guidance ......................45 7.11 Maintenance Guidance for Fan Kit ...................... 47 7.12 Cooling System Maintenance ......................
- Page 12 PART-I GENERAL INFORMATION...
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Page 13: Product Overview
VRC - VRC100, VRC101 or VRC102 is a compact, integrated, rack mounted cooling unit (hereinafter referred to as “VRC1 Series”) is engineered for utilization in a 19” EIA server rack. The unit should be used after reading the manual or consulting Vertiv. This chapter introduces the product description, model description, product appearance, and main components of the cooling unit. -
Page 14: Model Nomenclature
The major components of the cooling module include the evaporator coil, evaporator EC fan, electronic expansion valve, compressor, condenser coil, and condenser AC fan which are placed in the VRC unit as shown below. Vertiv I VRC Self-Contained System I User Manual... - Page 15 The system is incorporated with an electronic expansion valve that monitors temperature and pressure signals simultaneously to maintain precise adjustment of the refrigerant flow. The electronic expansion valve ensures even flow distribution from each end. Vertiv I VRC Self-Contained System I User Manual...
- Page 16 The condenser unit is equipped with an AC fan which varies the operating speed with the cooling variations of the compressor to maintain a suitable condensing pressure. The condenser fans are made of metallic material for prolonged life and durability.. Vertiv I VRC Self-Contained System I User Manual...
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Page 17: Technical Specifications
25 °C (77 °F) 30 °C (86 °F) 35 °C (95 °F) 19 °C (66 °F) Evaporator Air Temperature to IT Devices 21 °C (70 °F) (Supply Control) 23 °C (73 °F) Vertiv I VRC Self-Contained System I User Manual... - Page 18 21 °C (69.8 °F). • When the VRC unit is used in an enclosed cabinet, the heat load should be evenly placed in the cabinet. And unused rack position should be covered with blanking plates. Vertiv I VRC Self-Contained System I User Manual...
- Page 19 PART II INSTALLATION Vertiv I VRC Self-Contained System I User Manual...
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Page 20: Pre-Installation
CAUTION: The center of gravity of the unit is inclined, therefore, when moving the unit adjust the bearing position of the forklift or hand pallet truck. Vertiv I VRC Self-Contained System I User Manual... -
Page 21: Fittings
Table 2-3 and Figure 2-2 show the dimensions of the unit with packaging. Figure 2-2 Package dimensions Vertiv I VRC Self-Contained System I User Manual... - Page 22 This is done so that the fork arms can be placed under the pallet of the equipment in a precise manner. • Ensure that the length of the fork arms match with that of the equipment. Vertiv I VRC Self-Contained System I User Manual...
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Page 23: Unpacking
L-shape Mounting Rail Figure 2-5 Unpacking NOTES: • Packing materials of the unit are recyclable. Retain the packing materials for further use or dispose them appropriately as per the protocols and local regulations. Vertiv I VRC Self-Contained System I User Manual... - Page 24 Pull up the wooden case. • Put the EPE and the ceiling tile kit aside. • Remove the VRC 10X unit from the wooden pallet that is beneath the VRC 10X unit. Vertiv I VRC Self-Contained System I User Manual...
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Page 25: Equipment Installation Room Requirements
－40 °C - ＋70 °C (-40 °F – 158 °F) Ambient temperature The total shipment and storage time should not exceed 6 months. Otherwise, Storage time the performance needs to be re-calibrated Vertiv I VRC Self-Contained System I User Manual... -
Page 26: Installation Space Requirements
Hot Air from Outlet to Servers Servers Heat Rejection Air Outlet Heat Rejection Air Inlet Transition VRC UNIT Wall parts ≥ 23.6" ≥ 23.6" [≥ 600mm] [≥ 600mm] Figure 2-7 The required airflow clearance Vertiv I VRC Self-Contained System I User Manual... -
Page 27: Weight Bearing Capacity
• Immediately report any missing or damaged parts or components to the carrier. If hidden damages are observed, then contact the local service offices as soon as possible. Vertiv I VRC Self-Contained System I User Manual... -
Page 28: Mechanical Installation (Site Preparation)
The overall layout of the unit is depicted in the Figure 3-2 below. Hot air generated by the condenser of VRC 1XX is discharged through transition part and ducted to the ceiling. Condensate water is drained out by the pump. Vertiv I VRC Self-Contained System I User Manual... -
Page 29: Installing The Vrc Unit Into The Rack
The installation process for the cooling unit consists of mounting the unit inside the cabinet, connecting the condenser duct and the drain piping. 3.3.1 Evaporator filter installation The filter is installed on the air return side of the evaporation side. Vertiv I VRC Self-Contained System I User Manual... - Page 30 Torque = 5.6 Nm (4.13 lb-ft). Cross section of vRack shown for Front rail part illustrative purposes. Slotted rear VRC rear left bracket bracket VRC front left rail Figure 3-5 L-shape rails installation Vertiv I VRC Self-Contained System I User Manual...
- Page 31 Use 2 lifting straps and VRC handles to slide in the unit inside the cabinet from the front side till the B-pillar and the A-pillar are completely flushed against the cabinet 19’’ profiles. The distance from front rails to front door is 121 mm (4.76’’). Vertiv I VRC Self-Contained System I User Manual...
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Page 32: Connecting The Accessories
Vertiv I VRC Self-Contained System I User Manual... - Page 33 Make sure the sealing block is installed tightly. Drain Fitting Sealing Block Drain Fitting Figure 3-11 Install the drain fitting Vertiv I VRC Self-Contained System I User Manual...
- Page 34 Connect the L-shape pipe to the drain fitting. Use a cable tie to fasten it. Connect the L-shape pipe, ID=16 mm (5/8") to the drain fitting. Use a cable tie to fasten it. Figure 3-14 Connect the pipe 4 to the drain fitting Vertiv I VRC Self-Contained System I User Manual...
- Page 35 3. Install the pump bracket part 1 on the condensing air discharge side of the VRC1, tightened by two pan-head screws with contact washer (M5 x 12). Torque=4.0 Nm (2.95 lb-ft). Contact washer 5(x2) Pan-head screw M5x12(x2) Figure 3-17 Install the pump bracket part 1 on the unit Vertiv I VRC Self-Contained System I User Manual...
- Page 36 The pump power plug can be pulled out from the gap between the pump bracket and the transition part. In case of powering the condensate pump not through rPDU in vRack, the pump must be protected by a 1 A inline fuse upstream. Vertiv I VRC Self-Contained System I User Manual...
- Page 37 PN : 27140303 included in the VRC kit. Figure 3-22 Connect the duct and transition part NOTES: • Before connecting the duct, the air duct needs to pass through the rear cabinet plinth firstly. Vertiv I VRC Self-Contained System I User Manual...
- Page 38 The condensate drain pipe is connected properly After all these items are checked and confirmed, continue with the electrical installation procedure for the unit. Vertiv I VRC Self-Contained System I User Manual...
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Page 39: Electrical Installation
All power and control wiring and ground connections must be in accordance with the National Electrical Code and local codes. • Refer to the equipment nameplate for full load current and electrical requirements. The wire sizes should meet the local wiring standards and regulations. Vertiv I VRC Self-Contained System I User Manual... -
Page 40: Cable From The Power Supply Connection
The display board is connected to the unit with a power cable (Available in two lengths of cables, one is 10 m and the other is 0.5 m) as show in Figure 4-2. Vertiv I VRC Self-Contained System I User Manual... - Page 41 The RS485-1 (With 12 V power supply) could connect with the SIC card monitoring kit. For detailed installation, please refer to SIC Field Instructions. The RS485-2 can be used for communication with Vertiv rPDU. The aforementioned connections are shown in Figure 4-3 and Table 4-1.
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Page 42: Installation Inspection
The ratings of the Miniature Circuit Breaker and fuses are correct (Refer to unit nameplate to select suitable Miniature Circuit Breaker or fuses) The control cables are tightly connected. All the cables connections are fastened appropriately, with no loose screws at the connections Vertiv I VRC Self-Contained System I User Manual... -
Page 43: Controller Operation Instructions
Figure 5-1 Controller display 5.2 Control Buttons The micro-processing controller provides five control buttons, as shown in Figure 5-2, below. ON/ OFF Button Up Arrow ENT Button Down Arrow Escape Button Figure 5-2 Control buttons Vertiv I VRC Self-Contained System I User Manual... -
Page 44: On Screen
The icons on the main screen indicate the unit output status, unit property, and unit operating status. 5.5 Password Interface Press the Enter button on the Normal screen to display the Password screen. See Figure 5-4, below. Vertiv I VRC Self-Contained System I User Manual... -
Page 45: Unit Working Icons
The specific alarm information includes XX/YY, alarm type, and alarm generation time, as shown in Figure 5-6. XX indicates the alarm SN, and YY indicates the total number of reported alarms. Vertiv I VRC Self-Contained System I User Manual... - Page 46 Clr HP Abnor Figure 5-9 Alarm handle menu 5.7.4 Temp Set Select Main Menu -> Temp Set and press Enter as shown in Figure 5-10, and the Temperature Setting values will be permanently saved. Vertiv I VRC Self-Contained System I User Manual...
- Page 47 The menu includes Date and Time information. You can view the relevant information, as shown in Figure 5-13. Date (Y) 2018 Time (M) <Date&Time> Date (M) Time (S) Date (D) Time (H) Figure 5-13 Date and Time menu Vertiv I VRC Self-Contained System I User Manual...
- Page 48 PART III SYSTEM OPERATION AND GENERAL MAINTENANCE Vertiv I VRC Self-Contained System I User Manual...
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Page 49: Startup Commissioning
• Observe and monitor whether the system parameters are within the normal range, such as return air temperature and supply air temperature, etc. as per the set operational functionality. Vertiv I VRC Self-Contained System I User Manual... -
Page 50: Commissioning Complete Inspection
Check that the temperature settings are correct and are controlled within range. Check that there are no abnormal alarms or warnings displayed on the controller. Make sure all the other functions are set correctly. Vertiv I VRC Self-Contained System I User Manual... -
Page 51: System Operation And Maintenance
Unsuitable components will impede equipment performance and may cause equipment shutdown. Therefore, Vertiv recommends the use of Vertiv OEM or Vertiv-approved components. CAUTION: Switch off the VRC1 unit and then switch off the power input during equipment maintenance. -
Page 52: Electrical Inspection
The controller is streamlined with capabilities like powerful alarm and protection functions to ensure safe operation of the compressor. Periodic checks of high pressure and low pressure along with alarm protection for such pressure-related issues should be carried out by maintenance personnel on a regular Vertiv I VRC Self-Contained System I User Manual... - Page 53 Ensure that reservoir, pump filter and inlet tube are free of sludge and debris. If not, please clean it. Pump power cable Pump Pump communication cable Pipe 1 (ID=6mm) Reservoir Pipe 3 (ID=6mm) Pump filter Pipe 2 (ID=6mm) Figure 7-2 Condensate pump kit Vertiv I VRC Self-Contained System I User Manual...
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Page 54: Maintenance Inspection Checklist
Check whether the cables and meter reading of each sensor are within Part prescribed range. 7.5 Monthly Routine Inspection Items Check the system components monthly, focusing on system function and component wearing symptoms, and the inspection items shown in Table 7-1. Vertiv I VRC Self-Contained System I User Manual... -
Page 55: Routine Inspection Items (Semi-Annually)
7.7 System Diagnosis Testing The microprocessor controller supports the manual mode and provides diagnostic functions such as manually enabling and disabling parts. Such functions can be used to detect states of the system functional parts. Vertiv I VRC Self-Contained System I User Manual... -
Page 56: Electrical Maintenance
Use a high-precision temperature measurement meter to measure and calibrate the reading of the temperature sensor. • Adjust the set points. Check the motion of each functional component according to the control logic. Vertiv I VRC Self-Contained System I User Manual... -
Page 57: Filters Maintenance Guidance
There is a filter in the pump reservoir. Inspect it every 6 months. Pump filter Figure 7-4 Pump filter 7.10.3 Ceiling tile filter The ceiling tile filter is installed in the ceiling tile for filter pad. It needs to be checked once a month. Vertiv I VRC Self-Contained System I User Manual... - Page 58 The ceiling tile filter pad consists of 3 parts, 2 sheet metals and 1 ceiling tile filter. The ceiling tile filter is fixed by 2 sheet metals. Loose the M5 screw, the filter can be uninstalled. Figure 7-6 Loose the M5 screw Vertiv I VRC Self-Contained System I User Manual...
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Page 59: Maintenance Guidance For Fan Kit
Periodic inspection covers the state of the fan impellers, fastening of fan components, abnormal fan noise, and fan cable connection. • Pay close attention to assess whether the fan kit and impeller are properly fixed, and the rotation of Vertiv I VRC Self-Contained System I User Manual... -
Page 60: Cooling System Maintenance
NOTES: • It is not recommended to adjust the electronic expansion valve without prior permissions. Vertiv I VRC Self-Contained System I User Manual... -
Page 61: Troubleshooting
Remove debris from the coil and air inlet evaporator coil The air humidity is too high Use other dehumidifier to control the air humidity Severe condensation EEV adjusts abnormally Check if the EEV coil or EEV cable is loose Vertiv I VRC Self-Contained System I User Manual... -
Page 62: Fan Troubleshooting
8.4 Fault Diagnosis and Handling of the Air Conditioning System When the air conditioning system component is faulty, identify the causes and tackle the problem to ensure normal operation of the unit. Table 8-4 describes the major faults and troubleshooting methods. Vertiv I VRC Self-Contained System I User Manual... - Page 63 Check whether the fan is faulty. Table 8-2 describes the The fan is faulty. decrease diagnosis and handling methods. Check the surface of the micro-channel evaporator and Blockage of the evaporator periodically handle the blockage problem. Vertiv I VRC Self-Contained System I User Manual...
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Page 64: Appendix I: System Diagram
Appendix I: System Diagram Service Valve Condenser High Pressure Transducer Electronic Expansion Discharge Temperature Valve Sensor High Pressure Switch Distributor Evaporator Service Valve Suction Pressure Compressor Transducer Suction Temperature Sensor Vertiv I VRC Self-Contained System I User Manual... -
Page 65: Appendix Ii: Wiring Diagram(Vrc100 Unit)
Remote Monitor BL Y R Communication Inductor BK BL Discharge TEMP.Sensor BL YE R WH Y/G BL BR Supply Air TEMP.Sensor Capacitor Outdoor Fan Indoor Fan Compressor Return Air TEMP.Sensor High Pressure Sensor Vertiv I VRC Self-Contained System I User Manual... -
Page 66: Appendix Iii:wiring Diagram(Vrc101 Unit)
Terminal Block BK BK BK Communication Inductor BK BL Discharge TEMP.Sensor BL YE R WH Y/G BL BR Supply Air TEMP.Sensor Capacitor Outdoor Fan Indoor Fan Compressor Return Air TEMP.Sensor High Pressure Sensor Vertiv I VRC Self-Contained System I User Manual... -
Page 67: Appendix Iv:wiring Diagram(Vrc102 Unit)
Terminal Block BK BK BK Communication BK BL Discharge TEMP.Sensor R BL YE WH Y/G BL Supply Air TEMP.Sensor Compressor Capacitor Outdoor Fan Inductor Inductor Indoor Fan Return Air TEMP.Sensor High Pressure Sensor Vertiv I VRC Self-Contained System I User Manual... -
Page 68: Suppliers Declaration Of Conformity
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Vertiv I VRC Self-Contained System I User Manual... - Page 70 Vertiv.com I 1-4/F, 6-10F, Block B2, Nanshan I Park, No.1001 Xueyuan Road, Nanshan District, 518055 Shenzhen, Guangdong, CHINA © 2019 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.
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