Page 1 Liebert ® Chilled Water Room Cooling Units User Manual English, 10012648MAN_ENG, rev. N.2 - 30.04.2024 This document, written in English, is the original version...
Page 3: Table Of Contents
Labels with Gravity Center (on the packaging) • PDX-PCW Control Application - Manual • Warranty Certificate • Electric Diagrams • Instruction Leaflet for Transport and Handling (on the packaging) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 5 Table 25 - Sound Power Level [dB] - Downflow Up Frontal Air Delivery configuration, High Efficency EC fan module, max airflow..................................47 Table 26 - Sound Power Level [dB] - Upflow Up frontal Delivery configuration High Efficency EC fan module, max airflow..................................48 Table 27 - Unit weight...............................119 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 7 Rated short-time current Minimum room operation temperature Maximum room operation temperature Minimum room operation air humidity Minimum room operation air humidity Maximum hydraulic circuit pressure Net weight Manufacturing date VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 9: Abbreviations - Acronyms
Abbreviations - Acronyms Item Definition Automatic Transfer Switch Electronically Commutated [fans] Miniature Circuit Breaker PICV Pressure Independent Control Valve Safe Torque Off Ultracap Ultra capacitor Uninterruptible Power Supply VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 11: Safety
• The manufacturer takes no liability for any improper use of the unit. Do not modify the unit • Do not modify the unit without Vertiv™ permission in any way, including the safety devices, the control system and the software.
Page 12: Personal Protective Equipment
• For units without ATS (Standard) open the disconnecting switch [C]. After you open the door, pay attention to the cable and components that are still energized. Open the disconnecting switch before removing any protective cover. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 13 • The key of the electric panel must be kept by the person responsible for maintenance. • Always wear the protective equipment prescribed by the local and Vertiv™ regulations. • It is forbidden to operate on the electrical components without using insulating platforms, or in the presence of water and humidity.
Page 14 • Not authorized personnel must keep at safe distance from the handling area. • The floor of the handling area must be suitable to bear the weight of the unit and of the moving equipment. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 15: Digit Nomenclature
Electric heating high Heating and None capacity re-heating Water temperature Hot water heating sensor IN/OUT Water sensor Electric heating standard Water temperature capacity + hot water sensor IN/OUT and flow heating meter ePM10 50% IEC61000-6-3 Compliant ePM10 50% + Differential IEC61000-6-4 Compliant Air filter pressure transducer Special ePM10 50% + Free requirements clogged filter Standard Vertiv™ Special Vertiv™ VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 16 400 v / 3 ph / 50 Hz + N 2550 mm 340-400 v / 3 ph / 60 Hz 2950 mm Power supply + N CE 3350 mm 460 v / 3 ph / 60 Hz CE Standard None Options Back (fans removal from Air delivey Condensate pump the front) Front Free digit EC fac advance-HE Standard Vertiv™ Special Fans requirements EC fac advance-HP Special Vertiv™ VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 17: Intended Use
Do not assemble or connect the unit with systems or machines that are different from what is specified in this manual for your unit. Contact Vertiv™ Technical Support for any question. 3.3 Heat transfer fluid The heat transfer fluid is chilled water or mixture water + glycol supplied by an external system.
Page 18: Environment
Hot water system temperature (optional) Maximum water pressure 8,5 bar Voltage ± 10% Power supply tolerance Frequency ± 2 Hz See also 9.3.7 Electric system requirements - Power supply variability VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 19: Reference Norms
Each unit is supplied complete with individual test certificate and a certificate of conformity to the Declaration UK Safety Regulations Performance test - Cooling Capacity according to EN 14511 norms - Sound Power Level according to ISO 3744 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 21: Description
5.4.3 Heating (optional)...........20 5.4.4 Humidifier (optional)..........21 NOTE The images in this manual refer to sample units. Some components may be different for other units but the function remains the same. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 22: Versions Overview
Warm air Warm air though the doors though the top though the top Cold air though the top Cold air though the front grid Cold air though the bottom grid VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 23: Cabinet Width
NOTE In the units of frame type 1 the coil section and the fan section are integrated. In the units with frame types 2, 3, 5, 6 and 7 the coil section and the fan section are separate modules that are assembled together. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 24: Structure
- different options for air intake (from outdoor, through hoods or plenum, ...) - noise damping - high efficiency filters Annex E - Accessories for details. 5.2 Structure 5.2.1 Standard version Downflow Upflow VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 25 Rear safeguards After opening the doors: Downflow Upflow Ref. Description Remarks Electric and control The fixed safeguards can be removed only by loosing the fixing screws. panel safeguards Coil compartment VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 26: Cooling System
The control system operates the opening and closing of water valve [C] at the water outlet in order to control the water flow rate so to maintain the desired operating conditions. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 27 + water flow back into the coil flow rate at water outlet and adjusts the valve opening Operated by 0-10 V signal Operated by 0-10 V signal Operated by Modbus VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 28 To get precise pressure drop data, please use selection software. 5.3.4 Drain valves The unit is provided with the following drain valves: Drain valve on water inlet piping Drain valve on water outlet piping VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 29 The customer must provide the following sensors: • hot water thermostat, to check that hot water temperature is correct. (Vertiv™ can provide the sensors on request) 5.3.6 5.3.6 Chilled water connection configurations The connections of the chilled water may be arraged as following:...
Page 30: Air System
Safety air high temperature sensor This sensor measures the air temperature at the unit outlet and switches off the heater if the air temperature is higher than the alarm threshold. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 31: Humidifier (Optional)
This sensor is normally fixed on the fan grid, but it can be moved in a remote position since its cable is more than 1 m long. NOTE Other optional remote temperature sensors may be connected to the unit by the end user. Only Modbus type are allowed. for details. 5.6 Modbus Connections VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 32: Electric And Control System
Switch time at nominal current excluding loss of supply sensing time and excluding any delay timers applicable is at least 1.2 s -1.5 s. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 33 In terms of the norm references for emissions: the conducted voltage disturbance must be lower than 66 dBuV and radiated voltage disturbance lower than 40 dBuV (@ 3 m). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 34 The electric panel is designed and manufactured according to EN 60204-1 It is recommended to use 90 degrees LAN connector for HUB/ Ethernet switch. ATS (Automatic Transfer Switch) electric panel (optional) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 35: Disconnecting Switches
ATS disconnecting switch WARNING The power supply is connected to the ATS disconnecting switch [B]. You must open the ATS disconnecting switch to cut-OFF the power supply to the unit. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 36: Ethernet Connection
Speed adjustment between 0 and 100% of the maximum speed. NOTE It is possible to set a limit to the maximum speed in order to reduce the noise emission. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 37: Modbus Connections
Optional sensors T or T+H (up to 3) Energy meter Remote sensors T or T+H (up to 10) Expansion board Differential pressure transducer NOTE: T - Temperature sensor H - Humidity sensor VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 38: Speed Control
No Teamwork Mode: • The fan will run at defined speed. If a higher call for fan speed occurs, the fan will operate at the higher call. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 39: Technical Data
Frame type Upflow Downflow Downflow Downflow Extended of bays Frontal Down PW025 PW030 PW035 PW040 PW046 PW045 PW060 PW066 PW070 PW080 PW091 PW095 PW110 PW136 PW145 PW161 PW170 PW201 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 40: Water System
-9,9 -16,6 -25,2 -37,2 Cooling capacity 0,987 0,977 0,969 0,958 0,950 Mixture volume flow rat 1,046 1,080 1,098 1,150 1,210 Mixture side pressure drop 1,053 1,109 1,168 1,234 1,311 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 41: Air System
27.9 PW161 21.2 27.9 PW170 21.2 27.9 PW201 21.2 27.9 NOTE Values given for each single fan. The model is the same both for 50 Hz and 60 Hz. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 42: Electrical System
Do not run the Modbus cable in the same conduit, raceway or chase used for high-voltage wiring. Mandatory shield connection to ground close Master (unit control board). For Modbus network lengths greater than 130 m, contact Vertiv™ for assistance. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 43 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 44 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 45 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 46 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 47 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 48 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 49 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 50 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 51 When connecting the power inputs cable make sure to always use ferrules on cables when they are the smallest accepted size, or when cable is “braided”; • When connecting the power inputs cable make sure to always apply recommended max torque. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 52 34.2 22.5 PW161 10.8 32.5 22.5 28.2 22.5 11.4 34.2 22.5 PW170 10.8 32.5 22.5 28.2 22.5 11.4 34.2 22.5 PW201 10.8 32.5 22.5 28.2 22.5 11.4 34.2 22.5 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 53 Unit model Nominal Power Nominal Power Nominal Power [kW] [kW] [kW] PW025 PW030 PW035 PW040 PW046 PW045 PW060 PW066 PW070 PW080 PW091 PW095 PW110 PW136 PW145 PW161 PW170 PW201 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 54: Infrared Humidifier
Maximum discharge total head allowed 3m (head + hydraulic connection loss); the final drain must be able to receive 10 l/min water at high temperature (max water temperature 80°C). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 55: Noise Level
80.0 80.0 72.9 66.5 61.9 53.6 45.1 75.1 86.1 86.1 91.9 96.8 100.4 102.2 98.7 98.5 87.3 106.2 PW201 55.0 55.0 74.8 78.0 75.2 73.4 69.8 62.3 52.7 77.9 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 56 78.7 78.7 71.6 65.2 60.6 52.3 43.8 73.8 85.5 85.5 91.3 96.2 99.8 101.6 98.1 97.9 86.7 105.6 PW201 54.4 54.4 74.2 77.4 74.6 72.8 69.2 61.7 52.1 77.3 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 57 80.1 80.1 73.0 66.6 62.0 53.7 45.2 75.2 89.0 89.0 94.5 99.4 103.3 105.0 101.2 102.1 89.9 109.1 PW136 57.4 57.4 77.2 80.4 77.6 75.8 72.2 64.7 55.1 80.3 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 58 All PCW units have very high noise emission at maximum airflow. Relevant expected values of Sound level dB(A) for lower airflow can be found in technical literature and simulation software. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 59: Handling
• If any parts are found missing or damaged, please report to the carrier immediately. • If you find any damage, please report to the carrier and to the local distributor too. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 60: Transport With Package
• Fix the slings to the spreader bar [C] NOTICE Lift the unit with a speed suitable for the load to be moved, so as not to damage the structure. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 61: Unpacking
• Fix the piano jacks to the unit by straps, placing a protective material between the unit and the straps. • Lift slightly the forks of the piano jacks and remove the pallet. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 62 • Insert the eyebolts in each of the holes [A]. • Insert a sling or a chain in each of the eyebolts. • Fix the slings or chains to a 4-points lifting bar [B]. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 63 • Move the unit to its installation site. NOTICE Lift the unit with a speed suitable for the load to be moved, so as not to damage the structure. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 65: Assembly And Positioning
8.3 Assembling an Extended 8.4 Assembling an Extended Upflow Unit Downflow Unit NOTE For all the above versions, if you need to assemble any accessory see Annex F - Accessories. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 66 The unit may contain special brackets or supports that secure some elements for the transport. They are highlighted by special labels. When you finish assembly and positioning of the unit, make sure that all the transport brackets and supports have been removed. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 67: Assembling An Extended Upflow Unit
• Fix the slings or chains to a 4-points lifting bar [D]. • Remove the four bolts [E] (two at each side) that fix the fan module to the skid. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 68 Fix the cover to the frame by screws. 9.5 Electrical connections for details. 8.3.3 Fix the modules together and close the fan module • Lift sightly the fan module. • Remove the two wooden pieces. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 69 Fix the support connection bracket [A]. [A] Support connection bracket [B] Pipe section [C] Other pipe section [D] Outlet of the valve [E] Water inlet pipe [F] Grooved connection [G] Smooth pipe stubs VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 70: Assembling An Extended Downflow Unit
• Fix the slings or chains to a 4-points lifting bar [E]. • Remove the four bolts [F] (two at each side) that fix the coil module to the skid. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 71 • Use the four dowels [A] for centering the fan module with the coil module. • Fix the two modules by the four hex head screws supplied with the unit. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 72 Mount again the air filter (if it has been removed) • Seal any free space in the pipe passage through the lower panel to prevent air by-pass. • Fix the support connection bracket [A]. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 73 Pass the drain pipe through the cable bushing on the top of the fan module along the entire tube length. • Reposition the internal bottom panel and fix it with the two screws. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 75: Installation
9.2.1 Preparation of the installation site (by the customer) NOTICE Vertiv™ takes no responsibility for systems not compliant with the specifications given in this manual. Lack of compliance to the specifications given by Vertiv™ voids the warranty. The customer is responsible for the following operations.
Page 76 12. Fill the hot water system (optional) 13. Fill the ethylene glycol (for low outdoor temperature only) 9.7.2 Adding ethylene glycol 14. Check the whole system 9.8 Final Checks 15. Start the unit 10. Operation VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 77: Specifications For Site Preparation
Ref. only 1,25 1,27 A - Threaded connections B - Grooved connections Max allowed flare 56,41 66,41 C - Smooth Pipe stubs diameter All dimensions are given in [mm]. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 78 The guarantee becomes invalid if you do not respect the diameters given in this manual. thickness If you need to use piping with a larger diameter (for example for long winding runs), please contact Vertiv™ Technical Support. Thermal Wrap the piping by thermal insulating material such as Armaflex...
Page 79 • The customer is responsible for the system protection. • Protect the system by a differential switch. • If the system includes devices with inverter, then use a type B or B++ RCD (Residual Current Device) switch. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 80 (Wye) with earthed neutral (TN or TT system). If you need three-phase distribution Delta-connected (Δ) or Star-connected power (Wye) without ground or floating ground (IT) please contact Vertiv™ Technical Support. Power supply type...
Page 81: Piping Connections
• For hard copper piping use preformed curves. You may bend soft copper piping by hand or by a bending tool. • Support both the horizontal and the vertical piping by vibration dampening clamps that include rubber gaskets. Place the clamps every 1,5-2 mm. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 82 • See recommendation for brazing (par.9.4) • Insulate both tubes using insulation with closed cells (e.g. Armaflex) • Request to Vertiv™ two threaded pipe sections. • In case of threaded connections use hemp and paste to get a reliable pressure - tight joint.
Page 83 • Visually inspect the bolt pads at each joint to ensure metal to-metal contact is achieved. • Cover the Grooved connection with Armaflex insulation. • Cover the VICTAULIC connection with Armafle insulation. ® VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 84 Reduction can be connected to overflow pipe of diameter: • Ø20 mm - 3/4”; • Ø24 mm - 1”; • Ø32 mm - 1” 1/4; • Ø40 mm - 1” 1/2; VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 85: Electrical Connections
• Use appropriate cable ties to fix the cable to the frame on the left shoulder. • Connect the power cable to the inlet terminals [C]. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 86 • Use appropriate cable ties to fix the cable to the frame on the left shoulder. • Restore the original protection degree with suitable accessories for the wiring and junction boxes. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 87 The sensor has been already installed in the unit and it’s fixed in the fan module with at least 3m of cable lenght available. Remove the stripe and place it according the drawing. ™ NOTE: To grant a proper unit regulation, install the sensor according the drawing. Vertiv is not responsable in case of improper installation. Return...
Page 88: Modbus Connections And Settings
Do the setting by the programming tool (see the PDX-PCW Control Application) Baud rate = 19200 Same parameter for all the devices in the Modbus chain Parity = Even StopBits = 1 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 89 Pressure Indipendent Control Valve Up to 4 72...75 Air Economizer Sensor T+H Optional Sensors T or T+H Up to 3 132...134 Remote Sensors T or T+H Up to 10 141...150 Clogged filter VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 90: Filling The Water System
The unit is provided with the following drain valves: [C1] Drain valve on water inlet piping [C2] Drain valve on water outlet piping VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 91 • Check the head and the flow rate of the circulation pump (building facility) to be used, since th hydraulic features of the system changes by adding glycol (see 6.2.3 Glycol mixture correction factors). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 92: Final Checks
• Make sure that all the safeguards (panels, grids) have been mounted again. • Close and lock all the doors. • Place again all the floor panels around and under the unit. Everything OK? Start the normal operation: see 10. Operation VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 93: Operation
• In case of first startup or after maintenance on the Main unit electric system, check again by a voltmeter or tester if the voltage and phase difference fall within the indicated limits. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 94: Start
• Make sure that all the alarms due to protective devices interventions have been reset (see PDX- Alarms PCW Control Application) Control and safety • Check the correct operation of the control and safety devices. devices VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 95: Stop
Teamwork Mode 2 (Independent) - The control drives cooling, heating, ventilation, humidification and dehumidification based on local requests, while avoiding operational conflict with the other units in the network; • Teamwork Mode 3 (Smart Aisle™). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 97: Maintenance
All the tasks that are explained in this chapter must be carried out only by authorized and trained technicians. We recommend the Vertiv™ Customer Service. For any operation that is not specifically mentioned in this manual you must contact Vertiv™ Technical Support. Read carefully the chapter Safety.
Page 98: General Instructions
• Lift the panel and release it from the hook on top. CAUTION The panels are heavy (up to 25 kg). This operation must be done by two maintenance operators. Rear view VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 99: Maintenance Program
Make sure that all the protective covers are in place and that they are not loose covers or damaged. Repair or replace if necessary. Fuses Check visually. Replace if necessary. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 100 Check that the water circulation is in perfect order. Check that the water valve operates correctly. Check the temperature and the pressure of the water on the inlet and outlet side using thermometers and manometers, if installed. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 101 Temperature 11.6 Calibrations safety switch Condensate tank Visual inspection for dirtiness, damage, corrosion (optional) Clean if necessary. Humidifier See the related annex. (*) Check more frequently in dusty environment. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 102: Draining The Water System
[B1] Drain valve on water inlet piping [B2] Drain valve on water outlet piping Vent valves location: [C1] Vent valve on chilled water coil [C2] Vent valve on hot water re-heat coil (optional) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 103: Replacement Of Components
• After reassembling, connect the fan to a laptop and use the configuration software provided by the manufacturer to set the fan Modbus address (see 9.6.2 Setting of Modbus devices and the PDX-PCW Control Application for details. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 104 • Lift the fan higher than its inlet collar. • Pull the handle [E] to slide the fan out of the bay • Proceed in reverse order to reassemble the fan. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 105 • Remove completely the two screws [D] on the back of the fan. • Pull the handle to slide the fan out of the bay • Proceed in reverse order to reassemble the fan. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 106 6) Now you can safely remove the actuator. 7) To install new actuator it is necessary to set ring to end stop. Then proceed with steps 6 – 1 in this order. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 107 • Open the disconnecting switch for condensing pump • Unscrew six self-drilling screws Ø 4.8 x 16 mm screws [A]. for each pump, Downflow unit • Remove covers [B] • Replace the pumps [C]. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 108: Calibrations
In case of replacement of the clogged filter differential pressure switch, then turn the screw [A] to adjust the setting. Temperature safety Setting: 120°C ± 6°C switch (if heating is Manual reset present VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 109: Troubleshooting
The power cables are not connected Connect the cables The fans do not run There is no signal Check the Modbus chain The unit is noisy The fan is noisy Check the fan fixing VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 111: Dismantling The Unit
6. If you need to keep the unit in a storehouse for reuse 3.6.1 Storage conditions 7. If you need to scrap the unit Handle to authorized disposal company according to the local regulations about waste disposal. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 113 1 - Single chilled water circuit and hot water reheating coil (optional)................104 2 - Single chilled water circuit and hot water reheating coil (optional)................105 3 - Dual chilled water circuit and hot water reheating coil (optional)................106 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 114 Rp 1 ¼“ PW045 Standard height Rp 1 ½“ PW060 Standard height Rp 1 ½“ PW066 Extended height Rp 1 ½“ PW070 Standard height PW080 Standard height PW091 Extended height VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 115 ØA ØB ØC ØD name qty. qty. qty. PW095 Standard height PW110 Standard height PW136 Extended height PW145 Standard height PW161 Extended height PW170 Standard height PW201 Extended height VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 116 1 + 1 PW161 Extended height 1 + 1 1 + 1 PW170 Standard height 1 + 1 1 + 1 PW201 Extended height 1 + 1 1 + 1 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 117: Annex B - Safety Labels
Check regularly that the warning label are still on the unit and that they are clearly visible. Replace any missing or damaged label. 1 - Labels list Identification Description VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 118 Identification Description VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 119: Labels Position
2 - Labels position VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 120 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 121 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 122 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 123: Annex C - Dimensions And Weights
9 - Hole in the floor for Downflow Down units Check if there is enough free space for service in front of the 9.3.2 Space requirements unit VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 124: Overall Dimensions
NOTE The top of an extended unit placed under a raised floor will be at the same height as the top of a standard unit placed on the floor VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 125: Height Of The Accessories At Bottom
500 - 600 - 700 - 800 - 900 Hood with high efficiency air filter 600 - 900 Plenum with silencing cartridges 600 - 900 Horizontal hood with grid Air economizer VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 126: Free Space From The Floor
- Minimum allowable to obtain the minimum or bottom working conditions: 300 mm H - Downflow Frontal D - Downflow Up E - Downflow Down VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 127: Hole In The Floor For Downflow Up Units
NOTE [C] is the minimum free space between the unit at its final position and any back wall or obstacle. You might need more space for assembly or installation operations. In that case, do the assembly or installation operation nearby and then place the unit at the final position. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 128: Hole In The Floor For Downflow Down Units
NOTE [C] is the minimum free space between the unit at its final position and any back wall or obstacle. You might need more space for assembly or installation operations. In that case, do the assembly or installation operation nearby and then place the unit at the final position. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 129: Weights
(1) For Extended Height version, the total unit weight must be calculated by adding the Coil Module weight and Fan Section weight NOTE: The listed Coil Module weight and Fan Section weight is the maximum weight including all additional options. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 130: Gravity Centers
Gravity center - Frame type 1 (1 bay) - Standard - Upflow FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE 1135 44 7 1135 44 7 FRONT VIEW Dimensions in mm (inches) FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 131 FRONT VIEW Gravity center - Frame type 2 (1,5 bays) - Standard - Upflow FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE FRONT VIEW Dimensions in mm (inches) FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 132 Dimensions in mm (inches) FRONT VIEW 1. FOR DUAL C IRCUIT "W" MOVE B Y 3 0 MM (1.2 IN ) TO THE RIGHT SIDE (1.2 IN ) TO THE RIGHT SIDE VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 133 Gravity center - Frame type 3 (2 bays) - Extended - Upflow (17.5) (17.5) FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE ( 4 4) ( 4 4) FRONT VIEW Dimensions in mm (inches) FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 134 (44 7) (44 7) FRONT VIEW THE STICKER MUST BE PLACED ALSO ON BACK SIDE!!! Dimensions in mm (inches) FRONT VIEW THE STICKER MUST BE PLACED ALSO ON BACK SIDE!!! VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 135 (17.5) Gravity center - Frame type 6 (3,5 bays) - Standard - Downflow FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE FRONT VIEW Dimensions in mm (inches) FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 136 Gravity center - Frame type 5 (3 bays) - Standard - Upflow (17.5) (17.5) FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE 1135 1135 (44 7) (44 7) FRONT VIEW FRONT VIEW Dimensions in mm (inches) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 137 Gravity center - Frame type 6 (3,5 bays) - Standard - Downflow (17.5) (17.5) FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE ( 6 2) ( 6 2) FRONT VIEW Dimensions in mm (inches) FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 138 Gravity center - Frame type 7 (4 bays) - Standard - Downflow (17.5) (17.5) FRONT SIDE FRONT SIDE FRONT SIDE FRONT SIDE ( 6 2) ( 6 2) Dimensions in mm (inches) FRONT VIEW FRONT VIEW VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 139 Gravity center - Frame type 7 (4 bays) - Extended - Downflow (17.5) FRONT SIDE FRONT SIDE FRONT VIEW Dimensions in mm (inches) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 141: Key To Symbols
Annex G - Infrared Humidifier Humidifier drain Electrical power supply Chapter 6.4.1 Unit electrical data EC aux Low voltage cables Condensate Drain Chapter 6.4.6 Condensate pump NOTE All the dimensions are in millimeters VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 142 Ø 40 - Ø 36 [mm] cables CD* only for unit from PH095 toPH201 ** Grooved connection ** VICTAULIC Connection. ® *** Optional. Threaded union on request NA = Not Available VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 143 PW091 PW136 Dimensions for Piping Bottom Option (Fig. 1.) 1200 1750 2050 2550 2950 3350 1060 1565 1855 2385 Dimensions for Piping Top & Piping left Option (Fig. 2.) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 144 UNIT FRONT 163.5 6.44 110.6 4.36 FLOOR Bottom chilled water connections PW025-PW030 Downflow UP, side view VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 145 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 146 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 147 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 148 UNIT FRONT 394.5 344.0 15.53 13.54 FLOOR Bottom chilled water connections PW095-PW110-PW136-PW145-PW161-PW170-PW201 Downflow Up, side view VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 149 Top chilled water connections PW025-PW030-PW035-PW040-PW046-PW045- PW060-PW066-PW070-PW080-PW091 Downflow Down and Downflow Up, side view UNIT FRONT VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 150 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 151 ; for all remaining dimensions - please refer to page 133 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 152 Ø 48 [mm] EC aux Low voltage cables Ø 40 - Ø 36 [mm] CD* only for unit from PH095 toPH110 ** Grooved Connection. *** Optional. Threaded union on request VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 153 PW025 PW035 PW040 PW045 PW060 PW070 PW080 PW095 Unit Connection PW030 PW046 PW066 PW091 PW110 1200 1750 2050 2550 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 154 UNIT FRONT 342.5 13.48 FLOOR Bottom chilled water connections PW025-PW030 Upflow, side view VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
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Page 163 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 164 Left chilled water connection, Upflow units, for all remaining dimensions - please refer to page XXXX VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 165 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 166 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 167: Annex E - Accessories
Air flow Better access to Front Plenum with display control panel panel Water leak Leak Detectors Bottom detection To create Chilled Flange fladged chilled water Connection water connection connection VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 168: Legs Kit
For airflow U - Upflow version H - Frontal Available height 200 mm Assembly Fix to the unit base by 4 screws (the screws are not supplied with the unit) VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 169: Base Module 600/300 Mm High With Rear Air Intake
• Insert the kit in the hole, paying attention to push the filter into the low pressure side. • Connect the fresh air piping to the kit. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 170: Vertical Flow Extension Hood
E - Downflow Down Available height 600 mm 900 mm Assembly For all units: fix the accessory to the unit top by screws (the screws are not supplied with the unit). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 171: Plenum With Silencing Cartridges
U - Upflow version Available height 600 mm Assembly For all units: fix the accessory to the unit top by screws (the screws are not supplied with the unit). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 172: Air Economizer
The two dampers can be placed in different positions, to fit best the room and air ducts layout. See below all the possible arrangements. Outdoor (cold) air Room (warm) air Front and rear Front and top Rear and top VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 173: Floor Tiles Support Kit
The footboards are designed to support a maximum vertical distributed load of 600 kg/ m2 and a maximum concentrated load of 150 kg. NOTE 2 The fans maintenance kit must be earthed following the local rules. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 174: Plenium With Display
Leak detector: The flooding alarm detects the presence of water or of any other conductive liquid and activates an alarm. For airflow E - Downflow Down version Downflow Down Back air delivery Available version Liquistat VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 175: Flange Connection
The plenum shall be the same design as the unit and consist of sandwich panels lined with non-flammable insulation material of class 0 (ISO 1182.2), density 20 kg/m³ VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 176: System Display
The system Display is designed for networking multiple units togethers. All models have a power supply that requires connection to a single phase 230Vac power source with Schuko socket. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 177: Main Components
The electric current heats the water until producing steam (Joule effect). The quantity of steam produced is proportional to the electric current, which is in turn proportional to the level of water. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 178: Specifications
(2) = not less than 200% of the chloride content in mg/l CL- (3) = not less than 300% of the chloride content in mg/l CL- NOTE There is not reliable relationship between hardness and conductivity of the water VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 179: Drain Water
5% gradient, don’t make siphon on this hose to avoid back pressures in the drain piping. For configuration with bigger length or high head consider the Liebert PCW option with condensate pump. ® VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 180: Start-Up And Operation
Maintenance operations must be carried out only by authorized and trained technicians. We recommend the Vertiv™ Customer Service. For any operation that is not specifically mentioned in this manual you must contact Vertiv™ Technical Support. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024...
Page 181: Periodic Checks
• Fit the new cylinder in the humidifier by performing the previous operations in reverse order. NOTICE Check that the model and the power supply voltage of the new cylinder is the same as the one being replaced. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 182: Troubleshooting
Check the operation of the drain solenoid valve/ is activated pump, the seal of the fill solenoid valve when Excess current at the electrodes not energized, drain some of the water and restart VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 183 Check the entire water circuit The humidifier wets the The steam outlet hose is not properly secured floor below Check that the clamp on the steam outlet is tight to the cylinder VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 185: Annex G - Infrared Humidifier
400 V / 3 ph / 50 Hz Stainless steel 10,0 13,9 380 V / 3 ph / 60 Hz Stainless steel 10,0 14,6 460 V / 3 ph / 60 Hz Stainless steel 10,0 12,0 VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 186: Installation
Optical radiation from the quartz lamps. Before opening the door, always switch off the PCW unit. NOTICE Maintenance operations must be carried out only by authorized and trained technicians. We recommend the Vertiv ® Customer Service. For any operation that is not specifically mentioned in this manual you must contact Vertiv Technical Support.
Page 187 • Reassemble pan, thermostat, standpipe, drain coupling, cover and screws into the humidifier. With the PCW unit • Operate the humidifier and check for leaks. connected again to the power supply VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 188: Changing The Lamps
• Check for open humidifier safety stat Quartz lamp burned out • Replace the quartz lamp Loosen lead on old quartz lamp • Trim excess lead length on new quartz lamp to avoid shorts VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 189: Annex H - Ultrasonic Humidifier
If the water level falls below minimum, humidification switches OFF automatically. Overheating Humidification switches off at water temperatures > 60°C. Overflow If the water tank is overfilled, the excess water is drained off to the outside. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 190: Specifications
It is not toxic and can be drained into the sewerage system, category 3, EN 1717. Connect the drain hose to an ordinary drainage network with the following specifications: - install a siphon VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 191: Installation
Humidifier Water overflow and discharge for plastic tube Ø 12 mm Drainage (on site) Concentrate NOTICE Demineralized water pipes must be flushed prior to commissioning the humidifier. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 192: Startup And Operation
Maintenance operations must be carried out only by authorized and trained technicians. We recommend the Vertiv™ Customer Service. For any operation that is not specifically mentioned in this manual you must contact Vertiv™ Technical Support. NOTICE Never use high pressure cleaners to clean the humidifier.
Page 193: Ats (Automatic Transfer Switch)
- Maintenance and servicing operations must be performed only by trained and authorized Personnel personnel. Arc hazard - Ensure that no metal objects can fall in the cabinet (risk of electrical arcing). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 194: Description
Three types of ATS are available: - Type 03: configurable through four potentiometers and DIP switches ATS feedback (optional): Monitoring Relay to provide customer information for use of Main or Backup line. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 195: Specifications
Fault Product OK Wait Auto Mode Manual Mode Manual retransfer NOTE To reset a fault, it is required to open the cover. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 196 Maximum size [Cu mm ] flexible and rigid NOTE Maximum altitude without de-rating: 2000 meters. Maximum air temperature without de-rating: 40°C. Unit models ATS Type Rating All models Type 03 63 A VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 197: Installation
Return time, minimum required time to return on the main/priority 0 sec Potentiometer 4 line NOTE For different voltage and frequency, please contact the Vertiv™ Technical Support. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 198: Operation
NOTE Keep the cover open if you do not want the ATS to be in automatic mode during the initial power-up. NOTICE Before powering on the ATS, manually operate it to ensure that it can move normally. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 199 • Insert your padlock [C] in the clip (4-8 diameter). 90º 90º Now the switch is locked in the power disconnecting position. NOTE The handle can be padlocked only in the “O” position. 4 - 8 mm VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 200: Maintenance
- outgoing line (load side) - control cables • For the ATS type 03: adjust the configuration settings. • Connect the PCW unit to the power supply. • Restart the PCW unit. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 201: Troubleshooting
Check that the plastic pin is in place when the cover is closed at the bottom of the cover. This pin activates the sensor which indicates the position of the cover (open or closed). VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 203: Annex J - Additional Options
The manual disconnect switch shall be mounted in the high-voltage section of the electrical panel. 9 - Phase Detector The device monitoring 3-phase and in case of incorrect phase sequence, total and partial phase loss. VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 204: Smart Aisle
• Total harmonic distortion (THD) of voltages and currents • Partial and total active, reactive and apparent energy meters (phase and system) • Programmable partial and total hour counters • Phase active power unbalance VERTIV™ | Liebert PCW | UM | 10012648MAN_ENG | 30.04.2024 ®...
Page 206 , via Leonardo Da Vinci 16/18, Zona Industriale Tognana, 35028 Piove di Sacco (PD) Italy, Tel: +39 049 9719 111, Fax: +39 049 5841 257 © 2024 Vertiv Co. All rights reserved. Vertiv, the Vertiv logo and Vertiv Liebert PCW are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners.

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