Vertiv Liebert CRD10 Installation Manual
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Vertiv Liebert CRD10 Installation Manual

Vertiv Liebert CRD10 Installation Manual

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Liebert® CRD10
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Summary of Contents for Vertiv Liebert CRD10

  • Page 1 Liebert® CRD10 Installation 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: Table Of Contents

    3.6 Installation Preparation (Site Preparation) 3.6.1 Equipment Room Requirement 3.6.2 Installation Space Requirements 3.7 Operating and Storage Environment Conditions 3.7.1 Operating Condition 3.7.2 Storage Condition 3.8 Weight Bearing Capacity 3.9 Refrigerant Charging Requirement 3.10 Inspection Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 4 5.2.4 Connecting the Power Cable of the Outdoor Unit 5.3 Connecting Communication Cables 5.3.1 Connecting the Water Under Floor Sensor 5.3.2 Solenoid Valve Kit 5.3.3 Transformer Connection Cable 5.3.4 Low Ambient Kit 5.3.5 Rack Sensor Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 5 8.4.1 Maintenance of Electric Parts 8.4.2 Maintenance of Control System 8.4.3 Water Leak Detector 8.5 Air Filter Maintenance 8.6 Fan Kit Maintenance 8.7 Electrical Heater Maintenance (CE Model) 8.8 Condensate Pump Maintenance 8.8.1 Pump Replacement: Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 6 9.4.1 Definitions 9.4.2 Obligations 9.5 Leakage Detection 9.6 Labelling 9.7 Record Keeping Appendices Appendix A: Technical Support and Contacts Appendix B: Display Menu Structure Appendix C: Display Parameter List Appendix D: Alarms Table Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 7: Important Safety Instructions

    This section contains important safety instructions that should be followed during the installation and maintenance of the Vertiv™ Liebert® CRV. Read this section thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment.
  • Page 8 Opening or removing the covers to any equipment may expose personnel to lethal voltages within the unit even when it is apparently not operating and the input wiring is disconnected from the electrical source. Proprietary and Confidential ©2024 Vertiv Group Corp. 1 Important Safety Instructions...
  • Page 9 208 V, a properly trained and qualified electrician must change the transformer wiring from orange to red cable (208 V to 24 V). See Transformer Connection Cable on page 66 for details. 1 Important Safety Instructions Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 10 NOTICE Risk of improper storage. Can cause unit damage. Keep the unit upright, indoors and protected from dampness, freezing temperatures and contact damage. Proprietary and Confidential ©2024 Vertiv Group Corp. 1 Important Safety Instructions...
  • Page 11 Agency Listed Standard 60 Hz units are UL Certified to the harmonized U.S. and Canadian product safety standard CSA C22.2 No 236/UL 1995 for heating and cooling equipment and are marked with the UL logo. 1 Important Safety Instructions Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 12 Vertiv™ Liebert® CRD10 Installation Manual This page intentionally left blank Proprietary and Confidential ©2024 Vertiv Group Corp. 1 Important Safety Instructions...

  • Page 13: Product Overview

    2 Product Overview The Vertiv™ Liebert® CRV CRD10 is the next generation of air conditioner that provides precise environmental control. The Liebert® CRV CRD10 models are the latest enterprise grade products from the Liebert family. The Liebert® CRD10 utilizes the latest technology, system components, and streamlined manufacturing process.
  • Page 14 Vertiv™ Liebert® CRD10 Installation Manual Refer Figure 2.2 below for the nameplate description of the Vertiv™ Liebert® CRD10 model. Figure 2.2 Product Nameplate and Model Description (UL Model) Item Description Item Description Unit defined by 6 digits Rated load current of compressor...

  • Page 15: Product Description

    Serial number 2.2 Product Description The Vertiv™ Liebert® CRD10 air conditioner includes all the main functions fundamental to precision cooling units such as cooling, dehumidification, reheating (CE certified model only), air filtration, condensation management, temperature control, alarm functions and compatibility with data communications. Liebert® CRD10 is designed to comply with mission critical requirements and ensure that servers are maintained at the correct temperature and humidity levels.
  • Page 16 Gross Weight kg (lb) CRD100-0D00A CRD101-0D00A 300 x 1132 x 2000 (11.8 x 44.6 x 78.7) 776 x 1276 x 2228 (30.6 x 50.2 x 87.7) 231 (509) 313 (690) CRD102-1D00A Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Product Overview...

  • Page 17: Model Nomenclature

    Vertiv™ Liebert® CRD10 Installation Manual 2.3 Model Nomenclature The model of the Vertiv™ Liebert® CRD10 air conditioner indoor unit is defined by 12 digits as shown in Table 2.2 below , and details of the condenser is given in Table 2.3 below .

  • Page 18: Performance Parameters

    S- Standard temperature : -15 °C to 45 °C (5 °F to 113 °F) Separator 0- R410A refrigerant Free digit (future) Revision 2.4 Performance Parameters The performance parameters of the Vertiv™ Liebert® CRD10 are given in Table 2.4 below . Table 2.4 Performance Parameters Certification Unit CRD100 CRD101...

  • Page 19: Sound Parameters

    Certified in accordance with the AHRI Datacom Cooling Certification Program at AHRI Standard 1360 Standard Rating Conditions. See the AHRI Directory at www.ahridirectory.org for certified units. 2.5 Sound Parameters The sound parameters of the Vertiv™ Liebert® CRD10 are given in Table 2.6 below . Table 2.6 Sound Parameters 1/3 Octave...

  • Page 20: Main Components Of Indoor Unit

    Vertiv™ Liebert® CRD10 Installation Manual 2.6 Main Components of Indoor Unit This section list the components used in the Vertiv™ Liebert® CRD10 Precision Air conditioning models. 2.6.1 DC Brushless Compressor The Liebert® CRD10 air conditioning models comprise of a DC brushless compressor which has below features.

  • Page 21: Electronic Expansion Valve (Eev)

    Ensures effective control on super-heating at the end of the evaporator. • Better low load capacity. • Designed for easy Installation and service. Figure 2.9 below shows the EEV used in the Vertiv™ Liebert® CRD10 models. Figure 2.9 Electronic Expansion Valve 2 Product Overview...

  • Page 22: Electric Heater

    Vertiv™ Liebert® CRD10 Installation Manual 2.6.5 Electric Heater In the Vertiv™ Liebert® CRD10 models, the positive temperature coefficient (PTC) heater is used on models equipped with reheat, as they have lower running temperatures, to operational safety. • Less susceptible to overheating and long lasting due to less wear.

  • Page 23: Unity Card

    Figure 2.11 Display Panel of the Controller 2.6.9 Unity Card The Vertiv™ Liebert® CRD10 unit is equipped with a Unity card. Unity card employs the Modbus protocol to monitor and manage a wide range of operating parameters, alarms, and notifications from the microcontroller. The card communicates with building management systems and network management systems via Vertiv™...

  • Page 24: Liquid Line Solenoid Kit

    Remove the fixing screws and sheet metal. 2. Place a slope and connect it with pallet. 3. Push the cabinet slowly from the pallet down to the ground along the slope. Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Product Overview...

  • Page 25: Technical Specification

    Model CRD100-0D00A CRD101-0D00A CRD102-1D00A Certification Cooling Type Air- cooled Cold Source Type Refrigerant R410A Compressor Type Double rotor DC inverter compressor Flow Control Electronic expansion valve Fan Type EC fan 2 Product Overview Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 26 Parameters Specifications Air Filter MERV8 Air Discharge Baffles Standard Drain Pump Standard Air Pressure Switch Standard Unity Card Standard Remote Sensors Standard Reheat Standard Matched with Outdoor Model CCD100S-00A CCD101S-00A Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Product Overview...

  • Page 27: Installation

    Electrical Installation 3.1 Pre-Installation The Vertiv™ Liebert® CRD10 precision air conditioner is an engineered equipment and requires installation work for which the preliminary preparation is very important. This chapter describes the pre-installation, including how to prepare the installation environment, space and reserve the maintenance space, the air conditioner running and storage environment requirement, and how to unpack and inspect.
  • Page 28 Wire cutting pliers Claw hammer Diagonal cutting pliers Insulating shoes Antistatic gloves Electrician knife Cable ties Insulating tape Insulating gloves Crimping pliers Heat shrinkable tube Insulated torque wrench Torque screwdriver Multimeter Clip-on ammeter Proprietary and Confidential ©2024 Vertiv Group Corp. 3 Installation...

  • Page 29: Prerequisite Arrangements

    3.3 Prerequisite Arrangements The cables routed from the room to the Vertiv™ Liebert® CRD10 unit and the circuit breakers must be prepared at the customers site or obtained by the customer, the specifications for the site preparation are given in the Table 3.3 on the next page .

  • Page 30: Transportation And Movement

    It is recommended to use mechanical equipment like forklift to move the unit to the location nearest to the installation site. Insert the tines of the forklift under the pallet, as shown in Figure 3.2 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 3 Installation...

  • Page 31: Unpacking

    2. Remove top and later wooden panels of shipping crate as depicted in Figure 3.4 on the next page . a. Remove the side wooden panel. b. Remove the top wooden panel. c. Remove the screws. 3 Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 32 Vertiv™ Liebert® CRD10 Installation Manual Figure 3.4 Unpacking the Outer Package 3. Consider the center of gravity of the product and move the product in balanced position. Proprietary and Confidential ©2024 Vertiv Group Corp. 3 Installation...

  • Page 33: Inspection

    Vertiv. 3.6 Installation Preparation (Site Preparation) The Vertiv™ Liebert® CRD10 models of air conditioners are streamlined for maintaining a favorable environment for data centers, computer rooms, and similar systems. NOTE: Follow the installation guidelines to ensure proper installation of the air conditioner.

  • Page 34: Equipment Room Requirement

    3. All doors and windows should be properly sealed to minimize leakage. The seams should be as narrow as possible. NOTE: Vertiv recommends defining the site preparation as per the requirements. However, if these requirements are not met, the site must be rectified to meet the specified requirements and conditions.

  • Page 35: Operating And Storage Environment Conditions

    Outdoor: Temperature -15 °C (5 °F) to 45 °C (113 °F) without low ambient kit, Temperature -34 °C (-29.2 °F) to 45 °C (113 °F) with low ambient kit. Protection Level Indoor Unit: IP20, Outdoor Unit: IPX4. Altitude < 2000 m (6561.6 ft.). Above that, contact to Vertiv. CRD100-0D00A CRD101-0D00A CRD102-1D00A Operation Voltage...

  • Page 36: Storage Condition

    Total transportation and storage time should not exceed six months. Otherwise, the performance needs to be re-calibrated. 3.8 Weight Bearing Capacity The Vertiv™ Liebert® CRD10 unit is installed on the floor of the computer room. The weight bearing capacity of the floor of the computer room must be taken into consideration.

  • Page 37: Mechanical Installation

    • The Vertiv™ Liebert® CRD10 is designed as a split system. The indoor unit must be installed on the floor of the equipment room or computer room. The outdoor unit must be installed outdoors or on the floor of the other rooms as per the building architecture.
  • Page 38 Electronic expansion valve High pressure switch Sight glass Discharge temperature sensor Filter drier Compressor Schrader valve Crankcase heater Ball valve Connection pipe Solenoid valve (connection on site) External to CCD condenser Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 39: Product Dimensions

    The dimensions and weight of the indoor unit are shown in Figure 4.2 below and in Table 4.2 on the next page . Figure 4.2 Dimensions of the Indoor Unit 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 40: Base Plate Pipe Outlet Location And Dimensions

    231 (509) 313 (690) CRD102-1D00A NOTE: H1 and D1 dimensions are associated with optional frame extension kits allowing Vertiv™ Liebert® CRD10 to match rack heights or depths. 4.3.1 Base Plate Pipe Outlet Location and Dimensions The locations of the pipe inlets and outlets on the unit base plate are shown in Figure 4.3 below and corresponding dimensions of the base plate pipe outlet are tabulated in Table 4.3 on the facing page .

  • Page 41: Top Plate Pipe Outlet Locations And Dimensions

    The locations of the pipe inlets and outlets on the unit top plate are shown in Figure 4.4 on the next page and corresponding dimensions of the top plate pipe outlet are tabulated in Table 4.4 on page 37 . 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 42 1/2 in. O.D. Copper sweat Refrigerant Gas Line Outlet 5/8 in. O.D. Copper sweat Condensate Pump NPT 1/2 in. (Rc 1/2 in.) female copper threaded joint High Voltage Top Connection Combination knockout Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 43: Front Air Outlet Locations And Dimensions

    Figure 4.5 Front Air Outlet Locations and Dimensions 4.4 Top Frame and Front Frame The Vertiv™ Liebert® CRD10 unit can be optionally field configured with a top frame and a front frame. The top frame and front frame are installed as follows.

  • Page 44: Top Frame Installation Without Front Frame

    2. Fix front frame with M5 x 12 screws (10 pieces). And fix the top frame with M12 x 30 (4 pieces). Then re- install the front door, display and foot rail. 3. Move the V logo to the top frame. Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 45: System Installation Layout

    Screw (M12 x 30) Screw (M5 x 12) 4.5 System Installation Layout The installation layouts of the Vertiv™ Liebert® CRD10 unit are shown in Figure 4.8 on the next page and Figure 4.9 on page 41 . 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 46 If using low ambient kit when mounting condenser below level of the indoor unit, the allowable height is given in the Table 4.5 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...
  • Page 47 (147) (197) (246) (300) Outdoor unit with low ambient kit is lower than the indoor unit -4.7 -3.7 -2.8 -1.9 Maximum height m (ft.) (-16) (-15) (-12) (-9) (-6) (-3) 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 48: Installation Procedure

    4.6 Installation Procedure The Vertiv™ Liebert® CRD10 models of air conditioners are used between racks and one side of it is adjacent to the server cabinet. The Liebert® CRD10 models of air conditioners are targeted for small to medium data centers, computer rooms, and similar systems.

  • Page 49: Cabinet Connection

    90° horizontally. Use the M5 countersunk head screws to fix it on the cabinet frame (side of the door lock) as shown in Figure 4.12 on the next page . 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 50 2. Use the M5 countersunk head screws to fix the cabinet connector (L-shaped) in the installation holes of the cabinet frame (side of the hinge) and rack frame adjacent to the cabinet as shown in Figure 4.13 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 51: Connecting Pipelines

    Connection of the copper pipe (discharge pipe and liquid pipe) between the indoor unit and outdoor unit. • Liquid line solenoid valve kit. NOTE: The on-site pipeline connection must be completed by qualified technician. 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 52: Removing Filters

    3. Remove the fixing flake of the top filter. 4. Repeat step 1 to 3 to remove the bottom filter. Figure 4.14 on the facing page shows the fixing flake of the filters. Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 53: Connecting The Condensate Drainage Pipe Of The Indoor Unit

    6. Table 4.6 below provides the details of piping connection of water drainage pipe with condensate pump. Table 4.6 Standards for Water Drainage Pipe and Condensate Pump Connection UL Model CE Model Water drainage pipe with condensate pump NPT 1/2 Female * Rc 1/2 Female 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 54 NOTE: Do not cut off the brackets of the trap lest affecting the drainage. Filling the trap with water to avoid blowing water before the unit is powered on. Use teflon tape between the flexible pipes and connector to avoid water leakage. Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 55: Connecting The Copper Pipes Between The Indoor And Outdoor Unit

    The pipe diameter of the indoor unit and outdoor unit should be determined by the specifications mentioned in Table 4.7 on the next page , taking into account the effect of the pipe diameter on the system pressure drop. Alternatively, consult Vertiv technician for details. 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 56 1:200 (5 mm down for every 1 m run). The discharge pipes must be insulated from heat at the location where they are routed in the conditioned space (including the raised floor). Figure 4.17 Top Pipe Connectors Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...
  • Page 57 PVE refrigeration oil absorbing moisture from the air and contaminating the refrigerant system. It may result in an adverse effect on the life of the key components and the stability of the system operation. 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 58: Installing Liquid Line Solenoid Valve Kit And Low Ambient Kit

    Outdoor page 47 16 mm (5/8 in.) or 18 mm (3/4 in.) according to Table 4.6 on Liquid pipeline page 47 Solenoid valve Hot gas pipeline Maximum 2 m (6.6 ft.) Condenser Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...
  • Page 59 4. Finally, as shown in Figure 4.22 below , clip the valve body coil, press the coil tightly to ensure full contact between the coil and valve body. Figure 4.22 Fixing the Coil 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 60: Installing Low Ambient Kit (For Site Installation)

    4.6 on Liquid receiver page 47 12.7 mm (1/2 in.) or 16 mm (5/8 in.) according to Table 4.6 on Refrigerant flow page 47 Liquid pipeline Hot gas pipeline Solenoid valve Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 61: Recommended Refrigerant And Oil Charging Amount Of The System

    The Vertiv™ Liebert® CRD10 comes with pre-charged 2 bar of nitrogen in the factory. Discharge the nitrogen before the plugs are unsoldered. The users can determine the charging amount of the refrigerant according to the system configuration and the length of the connection pipes between the indoor and outdoor unit.
  • Page 62 (oz) <10 1000 <32.8 19.8 33.8 1000 20.7 33.8 10.1 1000 11.0 21.8 33.8 10.6 1000 12.0 22.8 33.8 11.1 1000 98.4 13.7 24.5 33.8 11.7 1134 15.3 26.1 39.8 Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 63: Adjusting The Supply Air Baffle And Sealing The Holes

    Adjust the direction of the supply air baffle to lead wind to the left or right depending on the installation location of the Vertiv™ Liebert® CRD10 air conditioners. 2. The supply air baffle is composed of several pieces. Remove the mounting screws from both sides of the single piece of the supply air baffle, rotate it by 180°.

  • Page 64: Sealing The Holes Of The Top Plate Of The Cabinet

    This prevents water from entering the cabinet. Figure 4.25 on the facing page shows the schematic diagram of sealing the holes on the top plate of the cabinet. Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 65: Checklist For Completed Mechanical Installation

    The pipes between the indoor unit and outdoor unit are completed. The ball valves of the indoor unit and outdoor unit are fully opened. The wind direction of the wind leading grill has been adjusted (if required). Drainage pipe is connected. 4 Mechanical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 66 All pipe connectors are tight. The fasteners used for transportation have been removed. After installation, foreign materials in and around the equipment are removed (such as shipping materials, construction materials, tools, and so on). Proprietary and Confidential ©2024 Vertiv Group Corp. 4 Mechanical Installation...

  • Page 67: Electrical Installation

    5 Electrical Installation Electrical installation of the Vertiv™ Liebert® CRD10 air conditioners are provided here for the cable connections of the indoor unit. The air conditioners of the Liebert® CRD10 models are professional devices used in industrial, commercial, or other professional applications.

  • Page 68: Liebert® Crd10 Wiring Connections

    However, contact Vertiv if there is a need to configure another type of power grid. 8. A rated circuit breaker must be provided to disconnect the power supply. 9. Short circuit current rating (SCCR) of the Vertiv™ Liebert® CRD10 air-cooled unit, 6 kA (CE Model) or 10 kA (UL Model).

  • Page 69: Connecting The Power Cable Of The Indoor Unit

    Figure 5.2 on the next page . For the cable specifications, refer to the full load current (FLA), MCA, MOP described in the Table 5.3 on the next page . 5 Electrical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 70: Connecting The Power Cable Of The Outdoor Unit

    Figure 5.1 on the previous page . Connect the outdoor breaker terminals (L, N or L1, L2) and PE (or G) to their respective counterparts of the outdoor respectively. For detailed specification of cables, refer to CCD10 user manual. Proprietary and Confidential ©2024 Vertiv Group Corp. 5 Electrical Installation...

  • Page 71: Connecting Communication Cables

    This unit may also require an external water supply to operate. 5 Electrical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 72: Solenoid Valve Kit

    NOTICE Vertiv™ Liebert® CRD10 unit 96 VA transformer default wiring is orange cable (230 V to 24 V). If the unit rated voltage is 208 V, a properly trained and qualified electrician must change the transformer wiring from orange to red cable (208 V to 24 V).

  • Page 73: Low Ambient Kit

    1.5 m (4.9 ft.) height from the end of the unit base. Sensors should be placed in positions as shown in Figure 5.6 on the next page , otherwise the devices cannot operate appropriately. 5 Electrical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 74 Attach the sensor on the rack surface using the magnets provided in the kit. The sensor must be fixed in a position with minimal cool air flow. Rack temperature sensor IRM-S01 address settings are tabulated in the Table 5.4 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 5 Electrical Installation...

  • Page 75: Remote Shutdown

    (alarm process setting is shutdown), water underfloor alarm (alarm process setting is shutdown), power fail alarm (alarm process setting is shutdown). 5 Electrical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 76 The secondary unit uploads run status, alarm signs to the primary unit. Proprietary and Confidential ©2024 Vertiv Group Corp. 5 Electrical Installation...
  • Page 77 Unit 1 secondary Unit 2 secondary Unit 3 secondary Unit 4 secondary Unit 5 secondary Unit 6 secondary Unit 7 secondary Unit 8 secondary Unit 9 secondary Unit 10 5 Electrical Installation Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 78: Checklist For The Completed Electrical Installation

    All the wiring and connector connections, including the fixing blocks, are fixed firmly. NOTE: Do not power on or operate the installed unit as Vertiv authorized professional technicians have to perform a check and confirm whether it is good to go. Starting up and operating the unit should only commence if the commissioning process is successful, and confirmed by Vertiv engineers.

  • Page 79: Commissioning Overview

    In self check, verify whether the construction and installation meet the standard requirements to ensure normal operation and enhanced service life of the unit. Vertiv engineers and personnel need to perform the checkup as per the Table 6.1 below .
  • Page 80 500 microns or less. Re-check the pressure after 2 hours. • When the 3 checks are complete, proceed to charging. Figure 6.1 Connection Point of Compound Pressure Gauge on the System Proprietary and Confidential ©2024 Vertiv Group Corp. 6 Commissioning Overview...

  • Page 81: Startup Inspection

    5. Run the fan to check if the fan rotates normally and check the input voltage. 6. Charge refrigerant and startup. 6 Commissioning Overview Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 82: Refrigerant Charge

    7 K. Observe the suction pipe of the compressor, ensure that there is no frost on the surface of pipe and compressor. Ensure that discharge superheat is from 25 to 40K. Record the running parameters of the cooling system according to the requirements of Vertiv™ Liebert® CRD10 Air-cooled AC Startup and Commissioning Report.

  • Page 83: Startup Procedure

    NOTE: Once the commissioning is completed, the Vertiv representative will confirm the unit is charged and operating correctly before the unit is put into operation. Table 6.2 Commissioning Confirmation Checklist Check item Check and confirm that all the output functions are automatic.

  • Page 84: Automatic Restart

    The unit will automatically restart after a power supply interruption. If the power interruption lasts several hours to avoid automatic cold restart of the compressor. Preheat the compressor before restarting the unit. Proprietary and Confidential ©2024 Vertiv Group Corp. 6 Commissioning Overview...

  • Page 85: Controller

    7 Controller 7.1 Features The microcontroller is used for monitoring and displaying the operation status of the Vertiv™ Liebert® CRD10 unit to maintain the environment within a setting range. 2. The Liebert® CRD10 has a 7-in. HMI color screen to make user operations simple.

  • Page 86: Main Function

    As shown in the right half of Figure 7.2 below , the sensor data or alarm data is displayed. Click Toggle icon 2 to switch between the sensor data and the alarm data. Figure 7.2 Color Display Screen - Unlock Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 87: Control Mode

    7.3.2 Control Mode The compressor and fan are controlled according to temperature (supply air temperature, return air temperature, and remote temperature) and humidity (supply air humidity, return air humidity, and remote humidity). 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 88: Password Interface

    Supply air temperature, return air temperature, or remote temperature, depending on the control mode. 7.3.3 Password Interface When user click the Unlock icon in the top-right corner of the screen, the password interface appears as shown in Figure 7.4 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 89: Menu Structure

    NOTE: If user do not enter a password but press Enter, user can view menu settings but cannot change parameters. 7.4 Menu Structure The main menu screen is shown in Figure 7.5 on the next page . For more information, see the Figure 10.1 on page 114 . 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 90: Run Information

    From the main menu, select Run Information as shown in Figure 7.6 on the facing page . From here, the temperature humidity information, switch status, power information, and teamwork information is displayed. Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 91: Switch Status

    Switch Status The Switch Status tab displays the current input and output states of devices. Figure 7.7 below shows the screen for the digital signal function. Figure 7.7 Switch Status Information 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 92: Power Information

    The Teamwork Information menu displays the status of the group information, as shown in Figure 7.9 below . Figure 7.9 Teamwork Information 7.6 Alarm Information From the main menu, select Alarm Information. It contains two pages: Alarm Status and Alarm History. Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 93: Alarm Status

    The Alarm History is used to view historical alarm, including the alarm status number (quantifiable number of history alarms), alarm serial number and alarm type, alarm time (start and end time) as shown in Figure 7.11 on the next page . 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 94: Temperature And Humidity Setting

    Set the return air temperature, remote temperature, supply air temperature, and temperature difference in this menu. The Temp Setting menu interface is shown in Figure 7.12 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 95: Parameter Setting

    From main menu, select the Parameter Setting to enter parameter settings, as shown in Figure 7.14 on the next page . This tab displays teamwork settings, alarm setting, alarm attributes, communication settings, time setting, display settings, and password settings. 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 96: Alarm Setpoint

    The Alarm Setpoint menu interface is shown in Figure 7.15 below . Figure 7.15 Alarms Setpoint NOTE: Do not change the default values. It is recommended to change the settings only under the guidance of qualified Vertiv service professional. Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 97: Alarm Attribute

    The Communication Setting menu is shown in Figure 7.17 below . Figure 7.17 Communication Setting Time Setting The Time Setting menu is shown in Figure 7.18 on the next page . 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 98: Display Setting

    The Display Setting menu is shown in Figure 7.19 below . Figure 7.19 Display Setting Password Setting The Password Setting menu is shown in Figure 7.20 on the facing page . Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 99: Graph

    7.10 About The About menu is used to get software information and service information, as shown in Figure 7.22 on the next page and Figure 7.23 on the next page . 7 Controller Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 100 Vertiv™ Liebert® CRD10 Installation Manual Figure 7.22 Version Information Figure 7.23 Service Information Proprietary and Confidential ©2024 Vertiv Group Corp. 7 Controller...

  • Page 101: Maintenance And Troubleshooting

    8 Maintenance and Troubleshooting This chapter provides the system operation and maintenance of the Vertiv™ Liebert® CRD10 range of air conditioners. In this chapter, the following points or items are described to help users for the routine inspections and checks from an end user perspective.

  • Page 102: Routine Maintenance And Inspection (Monthly)

    Check the refrigerant pipes for signs of leaks. Check the moisture condition in the system through the sight glass. Check the electronic expansion valve. Check the re-heater operation. Heating System Check the erosion on the components. Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 103: Routine Maintenance And Inspection (Semi-Annually)

    Check and fasten the circuit connections. Electric Control Part Check the control program. Check the contactor action. Check if there is any foreign matter in the water tray. Pump Filter Check pump filter. 8 Maintenance and Troubleshooting Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 104: Self-Diagnosing Functions

    9. Use a temperature/humidity measuring meter with high precision to calibrate the temperature/humidity sensor. 10. Regulate the setting point. Meanwhile, check the action of the various function components according to the control logic. Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 105: Water Leak Detector

    If control voltage is applied, the fan motor can restart without warning after a power failure. Air filter filtration class is America MERV8/Europe G4 standard. 8 Maintenance and Troubleshooting Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 106: Fan Kit Maintenance

    Shut off all power to the unit by closing the main disconnect switch on the electrical panel. 2. Open the front door of the unit. 3. Remove the fan screws and remove fan from fixed frame. This procedure is same for all fans. Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 107: Electrical Heater Maintenance (Ce Model)

    2. Open the front door and remove the fan assemblies. If replacing the electrical heater above, remove the upper two fan assemblies, -or- If replacing the electrical heater below, remove the lower two fan assemblies. 8 Maintenance and Troubleshooting Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 108 Fan assembly (up 2 pieces) 3. Remove the electric heater by removing the fixed screws. Figure 8.4 on the facing page shows the location of the electric heater screws. Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 109: Condensate Pump Maintenance

    Electrical heater Front door (opened) Screw (8 pieces) For replacement, contact the maintenance personnel and Vertiv support team. 8.8 Condensate Pump Maintenance WARNING! Risk of electric shock. Can cause injury or death. Open all local and remote electric power- supply disconnect switches and verify that power is Off with a voltmeter before working within the condensate pump electrical connection enclosure.
  • Page 110 3. Remove the screws of hose clamp which holds the pump at place. 4. Remove the pipe of the pump by unscrewing the hose clamp. Figure 8.6 Removal the Condensate Pump Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 111: Pump Maintenance

    NOTE: If jumpers are used for troubleshooting, ensure they are removed after the troubleshooting. If the jumpers are not removed properly the jumpers may bypass critical control functions and increase the risk to the equipment. 8 Maintenance and Troubleshooting Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 112: Troubleshooting Of The Heating System

    Check if the heaters MCB is turned ON. Check whether the voltages are normal when the contactor is energized. The contactor power is off closes, but heating Electric is ineffective Turn off the power, then physically check the condition of the heater. heater burned Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 113: Troubleshooting The Compressor And Cooling System

    Sensing element of expansion valve faulty Replace the sensing element. Improper air flow distribution Check the air supply and return system. Low condensing pressure Check whether the condenser is faulty. 8 Maintenance and Troubleshooting Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 114 Too high compression ratio Compressor over temperature Check that the fans of the evaporator and condenser are normal. Too high suction overheat degree Add proper amount of refrigerant. Proprietary and Confidential ©2024 Vertiv Group Corp. 8 Maintenance and Troubleshooting...

  • Page 115: Regulation (Eu) No. 517/2014 (F-Gas)

    R-134a GWP 1430 • R-407C GWP 1774 • R-410A GWP 2088 NOTE: The refrigerants as R22 are not F-gas and their relevant regulation is Reg. (EU) no. 1005/2009. 9 Regulation (EU) No. 517/2014 (F- Proprietary and Confidential ©2024 Vertiv Group Corp. Gas)

  • Page 116: Operators

    Recovery for the purpose of recycling, reclamation or destruction of the fluorinated greenhouse gases, pursuant to Art. 8 of the Regulation 517/2014 shall take place before the final disposal of that equipment and, when appropriate, during its servicing and maintenance. 9 Regulation (EU) No. 517/2014 (F- Proprietary and Confidential ©2024 Vertiv Group Corp. Gas)

  • Page 117: Leakage Detection

    4. For equipment with double refrigeration circuits, in regards to differing requirements on the basis of the quantity of F-gas contained, the required information about refrigerant charge quantities has to be listed separately for each individual circuit 9 Regulation (EU) No. 517/2014 (F- Proprietary and Confidential ©2024 Vertiv Group Corp. Gas)

  • Page 118: Record Keeping

    The operators shall keep the records for at least five years. • Undertakings carrying out activities for operators shall keep copies of the records for at least five years. 9 Regulation (EU) No. 517/2014 (F- Proprietary and Confidential ©2024 Vertiv Group Corp. Gas)

  • Page 119: Appendices

    505 N Cleveland Ave Westerville, OH 43082 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco (PD) Italy Asia 7/F, Dah Sing Financial Centre 3108 Gloucester Road, Wanchai Hong Kong Appendices Proprietary and Confidential ©2024 Vertiv Group Corp.

  • Page 120: Appendix B: Display Menu Structure

    Vertiv™ Liebert® CRD10 Installation Manual Appendix B: Display Menu Structure Figure 10.1 Display Menu Structure Diagram Proprietary and Confidential ©2024 Vertiv Group Corp. Appendices...

  • Page 121: Appendix C: Display Parameter List

    Remote Temp1 Run Information Temp/Hum Information Remote Temp2 Remote Temp3 Remote Temp4 Remote Temps Remote Temp6 Remote Temp7 Remote Temp8 Remote Temp9 Remote Temp10 Remote Hum1 Remote Temp Avg Remote Hum Avg Appendices Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 122 Remote Avg Temp SP, Default 23 °C (73.4 °F), Range 15 °C to 32 °C (59 °F to 89.6 °F) Hum Setting Supply Avg Hum SP, Default 50%, Range 20% to 60% Proprietary and Confidential ©2024 Vertiv Group Corp. Appendices...
  • Page 123 Rem High Temp Alarm SP, Default 27 °C (80.6 °F), Range 20 °C to 45°C (68 °F to 113 °F) Rem Low Temp Alarm SP, Default 10 °C (50 °F), Range 5 °C to 20 °C (41 °F to 68 °F) Appendices Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 124 Level 2 Password Rtn Avg Temp Rtn Avg Hum Temp/Hum Graph Sup Avg Temp Rem Avg Temp Control Software Model Control Software Version Version Information About Display Software Model Display Software Version Service Information Proprietary and Confidential ©2024 Vertiv Group Corp. Appendices...

  • Page 125: Appendix D: Alarms Table

    Comp Drv Protect10 Comp Drv Protect11 Comp Drv Protect12 Comp Drv Protect13 Comp Drv Protect14 Comp Drv Protect15 Fan1 Fail Fan2 Fail Fan3 Fail Fan4 Fail Customer1 Alarm Smoke Sensor Fail Fire Sensor Fail Appendices Proprietary and Confidential ©2024 Vertiv Group Corp.
  • Page 126 Vertiv™ Liebert® CRD10 Installation Manual This page intentionally left blank Proprietary and Confidential ©2024 Vertiv Group Corp. Appendices...
  • Page 127 Vertiv™ Liebert® CRD10 Installation Manual...
  • Page 128 Vertiv.com | Vertiv Headquarters, 505 N Cleveland Ave, Westerville, OH 43082 USA ©2024 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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