Related Manuals for Vertiv Liebert CRV CRD10 Series
Summary of Contents for Vertiv Liebert CRV CRD10 Series
- Page 1 Liebert® CRV Row Based Cooling CRD10 User Manual Original Instructions Vertiv | Liebert CRD10 | User Manual...
- Page 2 Vertiv. Notice The purchased products, services, and features are stipulated by the contract made between Vertiv and the customer. All or part of the products, services, and features described in this document may not be within the purchasing scope or the usage scope.
- Page 3 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 | Liebert CRD10 | User Manual...
- Page 4 Version History Revision Date Code Version Number 31014025 16-06-2019 31014025 29-07-2019 31014025 30-10-2019 16-03-2020 31014025 25-05-2020 31014025 05-11-2020 31014025 Vertiv | Liebert CRD10 | User Manual...
- Page 5 If control voltage is applied, the fan motor can restart without warning after a power failure. Vertiv | Liebert CRD10 | User Manual...
- Page 6 The Liebert® controller does not 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. Vertiv | Liebert CRD10 | User Manual...
- Page 7 If the oil is too wet, it may require an oil change. PVE oils also have a property that makes them act as a solvent in a refrigeration system. Maintaining system cleanliness is extremely important because the oil will tend to bring any foreign matter back to the compressor. Vertiv | Liebert CRD10 | User Manual...
- Page 8 Risk of improper maintenance. Can cause equipment damage. Installation and service of this equipment should be done only by qualified personnel who have been specially-trained in the installation of air-conditioning equipment and who are wearing appropriate, OSHA-approved PPE." Vertiv | Liebert CRD10 | User Manual...
- Page 9 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. Vertiv | Liebert CRD10 | User Manual viii...
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Page 10: Table Of Contents
Recommended Refrigerant and Oil Charging Amount of the System........... 46 3.10 Adjusting the Supply Air Baffle and Sealing the Holes ..............48 3.11 Checklist for Completed Mechanical Installation ................50 Chapter 4: Electrical Installation ....................51 Vertiv | Liebert CRD10 | User Manual... - Page 11 Fan Kit Maintenance ........................94 Electrical Heater Maintenance (Only CE Model) ................96 Condensate pump maintenance ....................98 Refrigerating System Maintenance ....................99 7.10 Drainage System Maintenance ....................100 7.11 Dismantling the Unit ........................100 7.12 Troubleshooting ...........................100 Vertiv | Liebert CRD10 | User Manual...
- Page 12 Fluorinated Greenhouse Gases ....................104 Operators .............................105 Leakage Detection ........................106 Labelling ............................106 Record Keeping ..........................107 Appendix I: Display menu structure ..................... 108 Appendix II: Display parameter list ....................109 Appendix III: Alarms Table ......................112 Vertiv | Liebert CRD10 | User Manual...
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Page 13: Chapter 1: Product Overview
EC fans, depending on the change in the heat load. CRD10 air-cooled unit requires a condenser. The condenser is powered and controlled by indoor unit. Front Rear Figure 1-1 Appearance of the Air Conditioner Vertiv | Liebert CRD10 | User Manual... - Page 14 Indoor fan full load current in total Maximum Overcurrent Protection Outdoor fan power in total Equipped with outdoor model Outdoor fan full load current in total Serial Number Locked rotor current of compressor CE Model: Vertiv | Liebert CRD10 | User Manual...
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Page 15: Product Description
CRD10 is designed to comply with mission-critical requirements and ensure that servers are maintained at the correct temperature and humidity levels. Figure 1-3 & 1-4 shows the various components and their respective locations. Figure 1-3 Components and their Locations at Rear Vertiv | Liebert CRD10 | User Manual... - Page 16 Table 1-1 CRD10 Dimensions Unit Dimensions Package Dimensions Net weight Gross weight Model (W x D x H) mm(inch) (W x D x H) mm(inch) (kg/lb) (kg/lb) CRD100-0D00A 300x1132x2000 776x1276x2228 CRD101-0D00A 231/509 313/690 (11.8x44.6x78.7) (30.6x50.2x87.7) CRD102-1D00A Vertiv | Liebert CRD10 | User Manual...
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Page 17: Model Nomenclature
C- (Chilled water) Model Number: 10 0- 208/230V/1Ph/60Hz, UL 0,1,2 1- 208/230V/3Ph/60Hz, UL 2- 230V/1Ph/50/60Hz, CE Separator 0- Cooling only 1- Reheat only D- Dual Power Supply 0- R410A refrigerant Free digit (future) Revision Vertiv | Liebert CRD10 | User Manual... - Page 18 Variable Description of Variable Liebert CRV Condenser Model Number: 10 0- 208/230V/1Ph/60Hz, UL 1- 230V/1Ph/50/60Hz, CE S- Standard Temp (-15°C to 45°C [5°F to 113°F]) Separator 0- R410A refrigerant Free digit (future) Revision Vertiv | Liebert CRD10 | User Manual...
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Page 19: Basic Performance Parameters
Outdoor Ambient Temperature 95°F (35°C) Certified in accordance with the AHRI Datacom Cooling Certification Program at AHRI Standard 1360 Standard Rating Conditions. Certified units may be found in the AHRI Directory at www.ahridirectory.org. Vertiv | Liebert CRD10 | User Manual... -
Page 20: Sound Parameters
The CRD10 Air conditioning models comprise of a DC Brushless compressor which has a host of promising features as mentioned in the following list: • Low operational noise • Rapid Cooling • Less Vibration Figure 1-5 DC Brushless Compressor Vertiv | Liebert CRD10 | User Manual... - Page 21 • Streamlined heat exchanger design and air distribution for optimum performance. • Fin-tube heat exchanger for higher efficiency Figure 1-7 shows the image of an evaporator. Figure 1-7 Evaporator Vertiv | Liebert CRD10 | User Manual...
- Page 22 The sight glass is a utility for observing the refrigerant state; specifically, the moisture content of the system. If the moisture content exceeds the defined standards, the color changes, thereby, indicating irregularity in the moisture content. Vertiv | Liebert CRD10 | User Manual...
- Page 23 Building Management Systems and Network Management Systems via BACnet, Modbus, SNMPv1/v2c/v3, LIFE/Remote Services, and YDN23 protocols. The Unity card monitors up to 10 Liebert SN modular and integrated sensors. Available sensor types include Vertiv | Liebert CRD10 | User Manual...
- Page 24 Figure 3-1 shows the install location of solenoid valve in the system. Figure 1-12 shows the solenoid valve. Figure 1-12 Solenoid Valve Vertiv | Liebert CRD10 | User Manual...
- Page 25 Remove the fixing screws and sheet metal Place a slope and connect it with the pallet Push the cabinet slowly from the pallet down to the ground along the slope Figure 1-13 Ramp Unloading Vertiv | Liebert CRD10 | User Manual...
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Page 26: Technical Specification
Electronic Expansion Valve Fan Type EC Fan 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 Vertiv | Liebert CRD10 | User Manual... -
Page 27: Chapter 2: Installation
NOTE: Please read this chapter carefully before installation. Pre-installation contains the following 3 sub sections, namely- • Transportation & Movement • Unpacking • Inspection Vertiv | Liebert CRD10 | User Manual... -
Page 28: Installation Tools
• Fasteners The fasteners are shown in the Figure 2-1. M5 countersunk head screw Floating nut M6 panel screw M6 panel head screw Cable tie fixture kit Figure 2-1 Fasteners Vertiv | Liebert CRD10 | User Manual... -
Page 29: Prerequisite Arrangements
Liquid copper pipes Please refer to pipe connection of Unit Gas copper pipes Please refer to pipe connection of Unit External drainage pipe with screws, please refer to drainage External drainage pipe pipe connection. Vertiv | Liebert CRD10 | User Manual... -
Page 30: Transportation & Movement
• Figure 2-2 shows how the forklift tines are inserted underneath the pallet and shows in the same picture below the illustration to the right that the lines should be aligned with the center of gravity to prevent the Vertiv | Liebert CRD10 | User Manual... - Page 31 Figure 2-2 Moving the Equipment using a Forklift Truck While moving the indoor unit, keep the obliquity within the range of 75° to 105°, as shown in Figure 2-3. Figure 2-3 Obliquity of the System Vertiv | Liebert CRD10 | User Manual...
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Page 32: Unpacking
Figure 2-4. Remove the side wooden panel Remove the top wooden panel Remove attaching screws Figure 2-4 Unpacking the Outer Package Vertiv | Liebert CRD10 | User Manual... - Page 33 If any parts or components are missing or damaged, immediately report the issue to the carrier and the local office of Vertiv at the earliest. Vertiv | Liebert CRD10 | User Manual...
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Page 34: Installation Preparation (Site Preparation)
3. All the doors and windows should be properly sealed to minimize the leakage. The seams should be as narrow as possible. NOTES: • 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 Installation 1944mm [76.5in.] 600mm [23.6in.] 600mm [23.6in.] Figure 2-6 CRD10 Maintenance Space Vertiv | Liebert CRD10 | User Manual...
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Page 36: Operating And Storage Environment Conditions
The CRD10 unit is installed on the floor of the computer room, Therefore, the weight bearing capacity of the floor of the computer room must be taken into consideration. If the weight bearing capacity cannot be estimated, consult Vertiv or the customer service/support center. Vertiv | Liebert CRD10 | User Manual... -
Page 37: Refrigerant Charging Requirement
• Check that the fittings are complete and the components are intact against the packing list. Please report immediately to the carrier’s local offices and Vertiv if any parts are missing or damage is found. Vertiv | Liebert CRD10 | User Manual... -
Page 38: Chapter 3: Mechanical Installation
System Arrangement during Installation The general arrangement of the CRD10 air cooled AC unit is shown in Figure 3-1, and the Table 3-1 shows the calibration of safety components. Vertiv | Liebert CRD10 | User Manual... - Page 39 High Pressure Switch Sight Glass High Pressure Transducer Electronic Expansion Valve Schrader Valve Evaporating Coil Ball Valve Suction Temperature Sensor Check Valve Low Pressure Transducer Figure 3-1 System Arrangement of the Unit System Vertiv | Liebert CRD10 | User Manual...
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Page 40: Product Dimensions
(mm/in.) (mm/in.) (kg/lb) CRD100-0D00A CRD101-0D00A 2000/78.7 267/10.5 1132/44.6 100/3.9 300/11.8 231/509 313/690 CRD102-1D00A Note: H1 and D1 dimensions are associated with optional frame extension kits allowing CRD10 to match rack heights or depths. Vertiv | Liebert CRD10 | User Manual... - Page 41 Combination Knockout High Voltage Bottom Connection 1-1/8" (29 mm) Knockout Hole Diameter Low Voltage Bottom Connection 7/8" (22 mm) NOTE: NPT threaded joint is for UL model, Rc threaded joint is for CE model. Vertiv | Liebert CRD10 | User Manual...
- Page 42 Combination Knockout High Voltage Top Connection 1-1/8" (29 mm) Knockout Hole Diameter Low Voltage Top Connection 7/8" (22 mm) NOTE: NPT threaded joint is for UL model, Rc threaded joint is for CE model. Vertiv | Liebert CRD10 | User Manual...
- Page 43 3.3.3 The location and dimensions of the air outlet at the front are shown in Figure 3-5. 300mm [11.8in.] 250mm [9.8in.] 1895mm 2000mm [74.6in.] [78.7in.] Figure 3-5 Front Air Outlet Locations & Dimensions Vertiv | Liebert CRD10 | User Manual...
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Page 44: Top Frame And Front Frame
The installation method is as shown in figure 3-7. The door is linked to the cabinet by hinges, and the display and foot rail is fixed with screws. To remove them, pull out the hinges and loosen the screw. Vertiv | Liebert CRD10 | User Manual... - Page 45 Screw(M12×30) ×4 Screw(M5×12) ×10 Step3: Move the V logo to the top frame. Figure 3-7 Top frame installation with front frame Vertiv | Liebert CRD10 | User Manual...
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Page 46: System Installation Layout
Table 3-5. Indoor unit Slope Sealed Raised floor discharge Condensed water Slope liquid Floor Heat insulation floor Outdoor unit Figure 3-9 The Condenser is Lower than the Compressor during Installation Vertiv | Liebert CRD10 | User Manual... -
Page 47: Installation Procedures
Refer to the Figure 3-10 to understand the process better. Clockwise Fixing nut The feet rise Counter clockwise or drop or clockwise Hexagonal nut Figure 3-10 Leveling the Cabinet Vertiv | Liebert CRD10 | User Manual... - Page 48 • Fixing the cabinet: As shown in Figure 3-11, the cabinet provides two holes (diameter: 13.5 mm) on top, bottom, front and rear respectively. Top fixing hole Top fixing hole Bottom fixing hole Bottom fixing hole Figure 3-11 Fixing Holes of the Cabinet Vertiv | Liebert CRD10 | User Manual...
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Page 49: Cabinet Connection
Mounting screw M5×12 Cabinet connector A amplified Figure 3-13 Schematic Diagram for Connecting the Cabinet 3. Repeat step 1 and 2 to Install the other 6 cabinet connectors based on the same method. Vertiv | Liebert CRD10 | User Manual... - Page 50 • Vacuum pumping and refrigerant charging operations, and procedures must conform to the industry standards. • Pressure drop, compressor oil return, noise return, and vibration must be considered during the designing and installation process. Vertiv | Liebert CRD10 | User Manual...
- Page 51 When applying the gravity drainage, also applying pump drainage from bottom is recommended, otherwise, disable the pump function from HMI display. 5. Fix the pipe with the hose clamp to the copper pipe connector. Moving forward, connect it to the outer drainage pipe. Vertiv | Liebert CRD10 | User Manual...
- Page 52 • Don’t 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 a Teflon tape between the flexible pipes and connector to avoid water leakage. Vertiv | Liebert CRD10 | User Manual...
- Page 53 The pipe diameter of the indoor unit and outdoor unit should be determined by the specifications mentioned in Table 3-7, taking into account the effect of the pipe diameter on the system pressure drop. Alternatively, consult Vertiv technician for details. Table 3-7 Recommended Refrigerant Line Sizes...
- Page 54 (including the raised floor). Drainage hole Liquid pipe hole Discharge pipe hole Cable hole Figure 3-17 Top Pipe Connectors Drainage hole Discharge pipe hole Liquid pipe hole Cable hole Figure 3-18 Bottom Pipe Connectors Vertiv | Liebert CRD10 | User Manual...
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Page 55: Installing Liquid Line Solenoid Valve Kit And Low Ambient Kit
Refrigerant flow 16mm(5/8in.) or 12.7mm(1/2in.) or 18mm(3/4in.) 16mm(5/8in.) Outdoor According to Table3-6 According to Table3-6 Indoor Liquid pipeline Max 2m Solenoid Valve (6.6ft.) Figure 3-19 Installation position of Solenoid valve and pipe dimensions Vertiv | Liebert CRD10 | User Manual... - Page 56 Figure 3-21 Install the coil of the Solenoid Valve 4. Finally, as shown in Figure 3-22, clip the valve body coil, press the coil tightly to ensure full contact between the coil and valve body. Figure 3-22 Fixing the Coil Vertiv | Liebert CRD10 | User Manual...
- Page 57 18mm(3/4in.) 16mm(5/8in.) Outdoor outdoor According to Table3-6 According to Table3-6 installations) Indoor Liquid pipeline (1/2in.) Max 2m Solenoid Valve (6.6ft.) Figure 3-23 Installation position of Low Ambient Kit and pipe dimensions Vertiv | Liebert CRD10 | User Manual...
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Page 58: Recommended Refrigerant And Oil Charging Amount Of The System
The refrigeration oil used in the CRD10 air conditioner is PVE (FV50S). The refilled refrigerant dilutes the PVE oil in the system and plays a major role in the lubrication and cooling effect of the PVE oil. Therefore, the refrigerant oil must be extra added for this reason. Vertiv | Liebert CRD10 | User Manual... - Page 59 • Select the right make and type of refrigeration oil depending on the model. Do not use poor quality refrigeration oil as it can damage the system. • If any error or damage occurs due to usage of the incorrect make and type of oil, the warranty will be void. Vertiv | Liebert CRD10 | User Manual...
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Page 60: Adjusting The Supply Air Baffle And Sealing The Holes
Install it back to change the wind direction. Figure 3-24 shows the mounting screws of a single piece of the supply air baffle. M5 screw (8 PCS) Figure 3-24 Fixed Mode of the Supply Air Baffle Vertiv | Liebert CRD10 | User Manual... - Page 61 M12x30 bolts to seal the holes. Use the provided four M13.5 rubber plugs to seal the holes Use the provided eight M12×30 bolt plugs to seal the holes Figure 3-25 Sealing the Top Holes of the Cabinet Vertiv | Liebert CRD10 | User Manual...
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Page 62: Checklist For Completed Mechanical Installation
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) Vertiv | Liebert CRD10 | User Manual... -
Page 63: Chapter 4: Electrical Installation
3. The power supply of the unit must be consistent with the power supply specifications of the nameplate, otherwise the unit will be damaged. Mains supply requirement: Vertiv | Liebert CRD10 | User Manual... -
Page 64: Crd10 Wiring Connections
8. For the air conditioner configured with EC fans, the unit power grid adheres to the TN or TT star connection power distribution system. However, contact Vertiv if there is a need to configure another type of power grid. - Page 65 For detailed layout information on low voltage components, refer to the labels on the cabinets and units. A amplified Single-phase unit A amplified Three-phase unit Figure 4-1 Unit Electrical Control Box and Cable Connection (open the back door 120°) Vertiv | Liebert CRD10 | User Manual...
- Page 66 The cable sizes must strictly meet and adhere to the local wiring regulations and protocols as it supersedes every type of connection. Table 4-2 Full Load Current (Unit A) Region CRD102-1D00A Model CRD100-0D00A CRD101-0D00A 38 (With the heater) Full load Current (A) 28 (Without the heater) MCA (A) MOP (A) Vertiv | Liebert CRD10 | User Manual...
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Page 67: Connection Of The Control Cables
We recommend installing a monitored fluid-detection system to immediately discover and report coolant-fluid system and condensate drain-line leaks. The unit accessories are equipped with a water-under-floor sensor, connect one end of the sensor to Vertiv | Liebert CRD10 | User Manual... - Page 68 CRD10 unit 96VA transformer default wiring is orange cable (230V to 24V). If the unit rated voltage is 208V, a properly trained and qualified electrician must change the transformer wiring from orange to red cable (208V to 24V). Transformer Transformer Figure 4-5 Transformer wiring diagram Vertiv | Liebert CRD10 | User Manual...
- Page 69 Affix the sensor on the rack surface using the magnets provided in the kit. The sensor must be fixed in a position that is mostly short of cool air. Rack temperature sensor IRM-S01 address settings are tabulated in the Table 4-3. Vertiv | Liebert CRD10 | User Manual...
- Page 70 The “critical fault alarms” will cause the unit to go into standby. The “secondary fault alarms” unit will not standby but continue running. Vertiv | Liebert CRD10 | User Manual...
- Page 71 Controller Master 0# Slave 1# Slave 2# …… Slave 15# CAN1 CAN2 CAN1 CAN2 CAN1 CAN2 CAN1 CAN2 CAN BUS CAN BUS CAN BUS Figure 4-7 The connection diagram of the Teamwork Control Vertiv | Liebert CRD10 | User Manual...
- Page 72 After the teamwork connection is completed, set the unit CAN ID through the DIP SW3 of the PACC board. The address setting method is shown in the Figure 4-8 and Table 4-4. This position is OFF This position is ON Figure 4-8 Significance of the DIP SW3 position Vertiv | Liebert CRD10 | User Manual...
- Page 73 Slave Unit #12 Slave Unit #13 Slave Unit #14 Slave Unit #15 NOTE: The PACC can connect up to 16 units, and the unit CAN ID address must be set in sequence from 0 to Vertiv | Liebert CRD10 | User Manual...
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Page 74: Checklist For The Completed Electrical Installation
All the wiring and connector connections, including the fixing blocks, are fixed firmly and appropriately. NOTE: Do not power on or operate the installed unit as Vertiv's 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, following which Vertiv’s engineers give the go-ahead. -
Page 75: Chapter 5: Commissioning Overview
5.1 Self Check 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 check-up as per the Table 5-1. -
Page 76: 5.2 Preparations For Start-Up
> After 4 hours, check the pressure readings and, if they have not changed, break vacuum with dry nitrogen. Pull a second and third vacuum to 500 microns or less. Re-check the pressure after 2 hours. > When the 3 checks are complete, proceed to charging. Vertiv | Liebert CRD10 | User Manual... - Page 77 Electronic Expansion Valve and Solenoid Valve automatically; if not, the Electronic Expansion Valve and Solenoid Valve will need to be opened manually. • Never use the compressor to create a vacuum (this invalidates its guarantee). Vertiv | Liebert CRD10 | User Manual...
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Page 78: 5.3 Refrigerant Charge
Stop charging when the charge amount is more than the calculated value. Vertiv | Liebert CRD10 | User Manual... - Page 79 After the soft shutdown phase is ended (about 5-10min), the compressor is off. In order to ensure the reliability of the compressor, avoid directly turning off the circuit breaker of the compressor. NOTES: • Refer Section 3.9 for the calculations of the refrigerant refill and charging Vertiv | Liebert CRD10 | User Manual...
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Page 80: 5.4 Start-Up Procedure
Commissioning Overview • Once the commissioning is completed, Vertiv representative will confirm the unit is charged and operating correctly before the unit is put into operation. Table 5-2 Commissioning Confirmation Checklist Check item Result Check and confirm that all the output functions are automatic Check that the Temperature &... - Page 81 Vertiv | Liebert CRD10 | User Manual...
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Page 82: Chapter 6: Micro-Controller
7. The expert-level fault diagnosis system can automatically display the current fault information to facilitate maintenance personnel in effective servicing and repair of the unit. 8. It can store up to 500 historical alarm records. Vertiv | Liebert CRD10 | User Manual... -
Page 83: Appearance
The display indicator lamp has 4 colors. The corresponding color and function are described in the Table 6-1. Table 6-1 Function Description Indicator Color Description Blue Starting display Yellow Display system shutdown or failure in the control panel communications. Green System operating normally Alarm in system and buzzer Vertiv | Liebert CRD10 | User Manual... -
Page 84: Control Screen
As shown in the right half of Figure 6-2, the sensor data or alarm data is displayed. Click the toggle button 2 to switch between the sensor data and the alarm data. Figure 6-2 Color display screen - Unlock Table 6-2 provides the list of menu keys and its functional description: Vertiv | Liebert CRD10 | User Manual... - Page 85 The main interface is divided into temperature control mode, humidity control mode, temperature value in current control mode, theoretical supply air humidity value, three read-only status of temperature / humidity setting value. Figure 6-3 Control Mode Diagram Vertiv | Liebert CRD10 | User Manual...
- Page 86 Table 6-4 Unit Status Color Description Status System Status Description Power-on sensor data is not in the normal range or is invalid Gray Off state Green Power on status is within the normal range Vertiv | Liebert CRD10 | User Manual...
- Page 87 Password interface again. NOTE: If the users do not enter a password and press the Enter button, the users can view the menu settings but can’t change any parameters, similar to the incorrect password example. Vertiv | Liebert CRD10 | User Manual...
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Page 88: Menu Structure
View the controller software and hardware version number, and the software and About hardware version number of the display Homepage Display operating status, operating data, alarm data, sensor data Setting Temperature/humidity setting under the same menu Curve Temperature/humidity curve under the same menu Vertiv | Liebert CRD10 | User Manual... -
Page 89: Run Information
From the menu, the current input and output states of the devices can be viewed using the switch status utility. Figure 6-8 shows the screen for the digital signal function. Figure 6-8 Switch Status Information Vertiv | Liebert CRD10 | User Manual... -
Page 90: Alarm Information
Figure 6-10 Teamwork Information Alarm Information Press the Alarm Information icon in the main menu to enter the page as shown in Figure 6-11. It contains two pages: alarm status and alarm history. Alarm Status • Vertiv | Liebert CRD10 | User Manual... - Page 91 The Alarm History is used to view the historical alarm records, 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 6-12. Figure 6-12 Alarm History Vertiv | Liebert CRD10 | User Manual...
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Page 92: Temp/Hum Setting
Figure 6-13 Temp Setting Hum Setting • The Hum Setting menu interface is shown in Figure 6-14. The user can set the humidity setting value under this menu. Vertiv | Liebert CRD10 | User Manual... -
Page 93: Parameter Setting
The teamwork Setting menu interface is shown in Figure 6-15. System setting screen, the system parameters can be set to monitoring protocol, baud rate monitoring address, date and time, the display monitor address. Figure 6-15 Teamwork Setting Vertiv | Liebert CRD10 | User Manual... - Page 94 NOTE: Do not change the default values of the initial settings. It is recommended to change the settings only under the guidance of qualified service professional. Alarm Attribute • The Alarm attribute menu interface is shown in Figure 6-17. Figure 6-17 Alarm Attribute Vertiv | Liebert CRD10 | User Manual...
- Page 95 Communication Setting • The Communication Setting menu interface is shown in Figure 6-18. Figure 6-18 Communication Setting Time Setting • The Time Setting menu interface is shown in Figure 6-19. Figure 6-19 Time Setting Vertiv | Liebert CRD10 | User Manual...
- Page 96 Display Setting • The Display Setting menu interface is shown in Figure 6-20. Figure 6-20 Display Setting Password Setting • The Password Setting menu interface is shown in Figure 6-21. Figure 6-21 Password Setting Vertiv | Liebert CRD10 | User Manual...
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Page 97: Graph
0 to 48 Hours. Figure 6-22 Graph About 6.10 The About menu is used to query the software information and service information, as shown in Figure 6-23 and Figure 6-24. Figure 6-23 Version Information Vertiv | Liebert CRD10 | User Manual... - Page 98 Micro-Controller Figure 6-24 Service Information Vertiv | Liebert CRD10 | User Manual...
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Page 99: Chapter 7: Maintenance & Troubleshooting
The pressure-relief valve must be rated 5% to 10% higher than the system-design pressure. An increase in ambient temperature can cause the pressure of the isolated refrigerant to rise and exceed the system-design pressure rating (marked on the unit nameplate). Vertiv | Liebert CRD10 | User Manual... -
Page 100: Routine Maintenance & Inspection (Monthly)
Table 7-1 tabulates the inspection tasks and actions to be implemented and carried out every month during maintenance of the various components in the CRD series of air conditioners. Vertiv | Liebert CRD10 | User Manual... - Page 101 Check the refrigerant pipes for signs of leaks system 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 Vertiv | Liebert CRD10 | User Manual...
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Page 102: Routine Maintenance And Inspection (Semi- Annually)
Check the voltage regulating function of the rotation speed controller Air-cooled condenser The temperature switch is set at the required position The refrigerant pipes are properly supported Check and fasten the circuit connections Check the suction pressure Vertiv | Liebert CRD10 | User Manual... -
Page 103: Self-Diagnosing Functions
1. Conduct the electrical insulation test on the system to find out bad electrical connections and contacts. Disconnect all the fuses and MCBs of the control part during the test as high voltage from the insulation test Vertiv | Liebert CRD10 | User Manual... - Page 104 8. Check the trunking or insulation condition of the control and power cable connected to the condenser from the indoor unit. Replace the cable, if required. 9. Use a temperature/humidity measuring meter with high precision to calibrate Temperature/Humidity sensor. Vertiv | Liebert CRD10 | User Manual...
- Page 105 Drain pipes on the ground Figure 7-1 Recommended Location for the Water-Leak-Detector NOTE: Do not use the water-leak-detector in the vicinity of flammable liquids; do not use it to detect any flammable liquids. Vertiv | Liebert CRD10 | User Manual...
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Page 106: Air Filter Maintenance
In addition, the fan fault alarm of the control board and alarm point of the EC Fan is connected in series. If Vertiv | Liebert CRD10 | User Manual... - Page 107 1. 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. Unscrew the fan, take it out from fixed frame. Figure 7-2 Removal the Fan 4. Remove other fans using the same way. Vertiv | Liebert CRD10 | User Manual...
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Page 108: Electrical Heater Maintenance (Only Ce Model)
Open the front door and remove the fan assemblies. If replacing the electrical heater above, remove the upper two fan assemblies, if replacing the electrical heater below, remove the two fan assemblies below. Vertiv | Liebert CRD10 | User Manual... - Page 109 Remove the electric heater by unscrewing the fixed screws. Figure 7-4 shows the location of the electric heater screws. Electrical heater Screw (4PCS) Front door (Opened) Screw (4PCS) Front door (Opened) Figure 7-4 Removal the Electric Heater For replacement, contact the maintenance personnel and support team of Vertiv. Vertiv | Liebert CRD10 | User Manual...
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Page 110: Condensate Pump Maintenance
Condensate pump Figure 7-5 The Location of Condensate Pump 3. Pull out pipe of the pump by unscrewing the hose clamp. 4. Unscrew the hose clamp that was used to fix the pump. Vertiv | Liebert CRD10 | User Manual... -
Page 111: Refrigerating System Maintenance
3. Regular inspection is a good practice to ensure long service life of the refrigerating system 4. Check the refrigerant pipes once every 6 months to ensure that there is no wear and tear. Vertiv | Liebert CRD10 | User Manual... -
Page 112: Drainage System Maintenance
Check whether the motor is too hot NOTES: • If the previous three problems (i.e. Motor Clogging, Hot Motor, or Hall failure) occurs, the motor can restore normal operation after the faults are cleared. Vertiv | Liebert CRD10 | User Manual... - Page 113 Check if the heater’s MCB is turned ON; Check whether the voltages are The Contactor power is off normal when the contactor is energized closes, but heating is Electric heater Turn off the power; then physically check the condition of the heater ineffective burned Vertiv | Liebert CRD10 | User Manual...
- Page 114 The Fan speed controller of the outdoor If the fan speed controller is found faulty, then it unit is faulty, while the output voltage remains 100%, irrespective of the has to be replaced change in the condensing pressure Vertiv | Liebert CRD10 | User Manual...
- Page 115 Too high compression ratio Check that the fans of the evaporator and Compressor over condenser are normal temperature Too high suction overheat degree Add proper amount of refrigerant Vertiv | Liebert CRD10 | User Manual...
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Page 116: Chapter 8: Regulation (Eu) No. 517/2014 (F-Gas)
• Referring to the value noted in Annex I and Annex IV of Regulation (EU) No 517/2014 here below the global warming potential (GWP) of some major F-gases or mixtures: -- R-134a GWP 1430 -- R-407C GWP 1774 -- R-410A GWP 2088 Vertiv | Liebert CRD10 | User Manual... -
Page 117: Operators
35 ≤ Y < 350 24 ≤ Y < 240 28 ≤ Y < 282 6 Months 12 Months X ≥ 500 Y ≥ 350 Y ≥ 240 Y ≥ 282 3 Months 12 Months Vertiv | Liebert CRD10 | User Manual... -
Page 118: Leakage Detection
In this case, the label has no need of further written information. c In general, the above mentioned information has been located in the main nameplate of relevant unit. Vertiv | Liebert CRD10 | User Manual... -
Page 119: Record Keeping
Member States the following rules apply: a The operators shall keep the records for at least five years. b Undertakings carrying out activities for operators shall keep copies of the records for at least five years. Vertiv | Liebert CRD10 | User Manual... -
Page 120: Appendix I: Display Menu Structure
Cascade Stop Require Remote Temp 1 Cascade Max #13 Unit Status Require Remote Hum1 #14 Unit Status Cascade Start Delay Remote Temp #15 Unit Status Cascade Stop Delay Remote Hum Cascade Min Time Vertiv | Liebert CRD10 | User Manual... -
Page 121: Appendix Ii: Display Parameter List
Filter Clogged Switch Cond Water Overflow Cond Water Level SW Low Pressure Switch Switch Status High Pressure Switch Remote Shutdown SW Water Underfloor SW Heater Fail Switch Customer1 Switch L1 Voltage Power Information AC Frequency Vertiv | Liebert CRD10 | User Manual... - Page 122 Rtn High Temp Alarm SP, Default 40C (104F), Range 30 to 45C (86 to Alarm Setpoint 113F) Rtn Low Temp Alarm SP, Default 18C (64.4F), Range 5 to 25C (41 to 77F) Rtn High Hum Alarm SP, Default 60%, Range 50% to 99% Vertiv | Liebert CRD10 | User Manual...
- Page 123 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 Display Software Model About Display Software Version Service Information Vertiv | Liebert CRD10 | User Manual...
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Page 124: Appendix Iii: 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 Vertiv | Liebert CRD10 | User Manual... - Page 125 Fabrikant erklærer herved, at dette product opfylder kravene i EU direktiverne: kατασÀευαστρj δηλνξι ϋτι το παÃϋν πÃοϊϋν εβναι ÀατασÀευαmỲνο αỳm ωνα mε τιj οδηγβεj τηj E.E.: 2006/42/EC; 2014/30/EU; 2011/65/EU with its amendment (EU) 2015/863 Vertiv | Liebert CRD10 | User Manual...
- Page 126 CHINA © 2020 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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