Vertiv Liebert Drycooler Installer/User Manual
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Vertiv Liebert Drycooler Installer/User Manual

Air-cooled, direct-drive
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Liebert®
Air-cooled, Direct-drive Drycooler
Installer/User Guide
50 Hz and 60 Hz

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Summary of Contents for Vertiv Liebert Drycooler

  • Page 1 Liebert® Air-cooled, Direct-drive Drycooler Installer/User Guide 50 Hz and 60 Hz...
  • 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 1 Important Safety Instructions 2 Nomenclature and Components 2.1 Liebert Drycooler Model Number Nomenclature 2.2 Product Description and Features 2.2.1 Control Options 2.2.2 Typical System Configurations 3 Preinstallation and Site Preparation Guidelines 3.1 Shipping Dimensions and Weights 3.2 Planning Dimensions and Anchor Plans 3.3 Pump Packages...
  • Page 4 10.2.2 What to Use to Clean the Drycooler Coil 10.2.3 Cleaning the Drycooler Coil 11 Preventive Maintenance Checklist Appendices Appendix A: Technical Support and Contacts Appendix B: Submittal Drawings Vertiv | Liebert® Drycooler Installer/User Guide |...
  • Page 5 1 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions that should be followed during the installation and maintenance of the Liebert® Drycooler. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions, notices and installation, operating and safety instructions on the unit and in this manual.
  • Page 6 Allow sufficient time for them to cool to a touch-safe temperature before working within the unit cabinet. Use extreme caution and wear appropriate, OSHA-approved PPE when working on or near hot components. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 7 It will, however, assume the corrosivity of the coolant fluid from which it is prepared and may become increasingly corrosive with use if not properly inhibited. Vertiv recommends installing a monitored fluid-detection system that is wired to activate the automatic- closure of field-installed coolant-fluid supply and return shut-off valves to reduce the amount of coolant-fluid leakage and consequential equipment and building damage.
  • Page 8 Do not leave the water/coolant fluid-supply circuit in a no-flow condition. Idle fluid allows the collection of sediment that prevents the formation of a protective oxide layer on the inside of tubes. Keep unit switched On and water/coolant fluid-supply circuit system operating continuously. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 9 NOTICE Risk of using the wrong type of glycol. Can cause piping damage, coolant fluid leaks, and catastrophic and expensive building and equipment damage. Do not use automotive antifreeze as it contains chemicals that can damage the piping system. Typical inhibited formula ethylene glycol and propylene glycol are supplied with corrosion inhibitors and do not contain a silicone anti-leak formula.
  • Page 10 This page intentionally left blank Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 11 This section describes the model number for Liebert® Drycooler units and components. 2.1 Liebert Drycooler Model Number Nomenclature Table 2.2 below, describes each digit of the model number. Table 2.1 Liebert Drycooler Model Number Example Table 2.2 Drycooler Model-number Digit Definitions Digit...
  • Page 12 Either of two temperature ranges can be field- ™ selected: 30 to 60°F (-1 to 16°C) for GLYCOOL applications or 70 to 100°F (21 to 38°C) for glycol applications. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 13 Fan Cycling Control—DDNT, DSO, DDO Available on all sizes of standard sound and Quiet-Line drycoolers. A thermostatic control cycles the fan on a single-fan drycooler in response to leaving fluid temperatures. Two or more thermostats are employed on drycoolers with two or more fans to cycle fans or groups of fans in response to leaving fluid temperatures.
  • Page 14 Piping diagram, Liebert® DS, GLYCOOL, semi-hermetic compressor models DPN000898 Piping diagram, Liebert®DS, GLYCOOL, scroll compressor models DPN002931 Piping diagram, Liebert® PDX with water/glycol DPN002932 Piping diagram, Liebert® PDX with GLYCOOL DPN003822 Typical piping arrangement with multiple drycoolers and multiple indoor units Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 15 • Avoid ground-level sites with public access and areas prone to heavy snow or ice accumulations. • Whenever interior building locations must be used, utilize a Piggyback drycooler. Contact your Vertiv sales representative for more information. • To ensure adequate air supply, we recommend that drycoolers be installed in an area with clean air, away from loose dirt and foreign matter that might clog the coil, and away from steam, hot-air, or fume exhaust.
  • Page 16 *D**700 1880 (854) 2323 (1054) (1383) 3769 *D**790 2250 (1022) 2815 (1277) (1710) 3849 *D**880 2330 (1058) 2895 (1313) 182x36x94 (462x91x239) 183x37x95 (465x94x241) 372 (10.5) (10.0) (1746) 3949 *D**940 2430 (1103) 2995 (1359) (1791) Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 17 Table 3.2 Quiet-Line Drycooler Net weights, Shipping Weights, Dimensions and Volume, Approximate Domestic Packed Export Packed No. of Dry Weight Model Weight Dimension (LxWxH) Volume Weight Dimension (LxWxH) Volume Fans lb (kg) lb. (kg) (cm) lb. (kg.) (cm) *D**040 375 (170) 530 (240) 637 (289) *D**057 395 (179)
  • Page 18 Single-pump Piping connection locations and dimensional data DPN000328 Dual-pump Piping connection locations and dimensional data Figure 3.1 Pump curve, 60 Hz NOTE: Higher-capacity pumps are available. Please contact your local sales rep for more information. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 19 3.3.1 Expansion Tank The expansion tank, included in a standard pump package, has an internal volume of 8.8 gal. (33 l) and a maximum pressure of 100 psi (690 kPa). The tank is sized for a typical “open” system with a fluid volume of less than 75 gal. (280 l). When used in a “closed” system, volumes of up to 140 gal. (530 l) can be accommodated.
  • Page 20 This page intentionally left blank Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 21 • Carefully inspect all items for visible or concealed damage. • Report damage immediately to the carrier and file a damage claim with a copy sent to Vertiv or to your sales representative. Equipment Recommended for Handling the Unit: •...
  • Page 22 Spreader bars must be used for sling stability and to keep the slings from pressing against the unit. Make sure spreader bars are wider than the unit. • Place the slings near the ends of the unit, under the top deck boards of the skid. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 23 4.4 Unpacking the Unit—All Unit Sizes Refer to Figure 4.2 on the next page, for the following steps: For domestic packaging: • Remove the fastener clamps from the top and sides of the unit. • Remove all screws and washer from the wooden fencing. •...
  • Page 24 Figure 4.2 Removing Protective Material Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 25 4.5 Preparing 1 to 4 Fan Drycooler for Moving and Installation The following procedure is one recommended method for removing a unit from the shipping skid. Other methods may be used, provided that they are safe for personnel, the unit and equipment. Attach legs to the unit at indicated locations, using the fasteners provided with the legs, Figure 4.3 below. •...
  • Page 26 Risk of improper lifting. Can cause equipment damage. Make sure that the spreader bars are wider than the unit. If the spreader bars are too short, the slings may crush the unit. Figure 4.4 Securing Slings to 1 to 4 Fan Drycoolers for Lifting off Skid Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 27 4. Lift the unit 24" (610mm) off the top deck of the skid. 5. Remove the skid from under the unit. 6. To rotate the unit, a mechanized method is recommended, but if one is not available, use a minimum of four properly-protected individuals to rotate the elevated unit 90 degrees so the unit legs are pointing toward the ground, Figure 4.5 below.
  • Page 28 If the spreader bars are too short, the slings may crush the unit. The unit is ready to be lifted and moved to its installation location. Figure 4.6 Rigging to Lift 1 to 4 Fan Drycoolers Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 29 4.6 Preparing 6 and 8 Fan Drycoolers for Moving and Installation The following procedure is one recommended process for removing a unit from the shipping skid. Other methods may be used, provided that the methods are safe for personnel, the drycooler and equipment. Refer to Figure 4.7 below, to attach the legs to the higher side of the unit: •...
  • Page 30 Mechanically lower the unit in order to rest on the attached legs. • Make sure not to damage the opposite side of the unit. Figure 4.8 Use Sling to Lower Side with Legs Attached Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 31 3. Move the slings or chains to the lift rail side that is resting on the skid, Figure 4.9 below. • Mechanically lift the unit to a point where the side being lifted is just high enough to allow for safe attachment of the remaining unit legs.
  • Page 32 If the spreader bars are too short, the slings may crush the unit. The unit is ready to be lifted and moved to its installation location. Figure 4.10 Rigging 6 and 8 Fan Drycooler for Lifting Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 33 4.7 Mounting the Drycooler The drycooler must be installed so that it is level within 1/2 in. (13 mm) to ensure proper glycol flow, venting, and drainage. For roof installation, mount the drycooler on suitable curbs or other supports. Follow all local and national codes. Secure the legs to the mounting surface using a field-supplied 1/2-in. (13-mm) diameter bolt in each of the two 9/16-in.
  • Page 34 This page intentionally left blank Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 35 It will, however, assume the corrosivity of the coolant fluid from which it is prepared and may become increasingly corrosive with use if not properly inhibited. Vertiv recommends installing a monitored fluid-detection system that is wired to activate the automatic- closure of field-installed coolant-fluid supply and return shut-off valves to reduce the amount of coolant-fluid leakage and consequential equipment and building damage.
  • Page 36 Use welded or high-temperature soldered joints where possible. Threaded pipe joints, if needed, can be made with tightly drawn Teflon™ tape. • Clean and prepare all pipe connections before joining. Be careful not to allow solder/joining debris to get inside the lines during the connection process. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 37 The piping general arrangement and schematics are described in the submittal documents included in the Submittal Drawings on page 65. The following tables list the relevant documents by number and title. Table 5.1 Piping General-arrangment Drawings Document Number Title DPN000895 Piping diagram, Liebert® DS, glycol, semi-hermetic compressor models DPN000896 Piping diagram, Liebert®...
  • Page 38 — 2-1/8 32, 64* — 2-1/8 40.0 (151.4) — 2-1/8 32, 64* 35.0 (132.5) — 2-1/8 — 2-1/8 44.0 (166.5) — 2-1/8 32, 64 — 2-1/8 52.0 (196.8) — 2-1/8 * = Standard Circuiting Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 39 Table 5.4 Liebert Quiet-Line™ Drycooler Piping Connection Sizes and Internal Volume Inlet & Outlet Connection Size Internal Volume, Model # No. of Internal Coil Circuits No. of Fans No. of Inlets/Outlets gal. (L) ODS Copper, in. IDS Copper, in. 4, 8* 2.4 (9.2) 1-3/8 —...
  • Page 40 In most cases, special cleaners are needed to remove scale, rust, and hydrocarbon foulants from pipes, manifolds, and passages. For more information on cleaners and degreasers, contact your Vertiv representative. Follow the manufacturer’s instructions when using these products.
  • Page 41 Calculate the internal volume of the system as closely as possible. The drycooler volumes are shown in 5.2 on the previous page, and 5.2 on the previous page. Use Table 5.5 below, for field-installed piping volumes. Indoor unit volumes are found in their respective user manuals.
  • Page 42 3. Fill to approximately 80% of calculated capacity, then continue to fill slowly from this point, checking fluid levels until full. NOTE: For glycol solution preparation and periodic testing, follow manufacturer's recommendations. Do not mix products of different manufacturers. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 43 6 ELECTRICAL CONNECTIONS Line-voltage electrical service is required for all models. Electrical service must conform to national and local electrical codes. Refer to equipment nameplate regarding wire size and circuit protection requirements. Refer to electrical schematic when making connections. Refer the appropriate submittal drawing, listed in Table 6.1 on the next page, for electrical service entrances into unit.
  • Page 44 Route the conduit through the hole provided in the cabinet. Connect earth ground to lug provided near the terminal board. Refer to the appropriate drawing in the Submittal Drawings Contents page 65. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 45 NOTE: A separate neutral wire does not need to be run to the Liebert® Drycooler. Table 6.2 60Hz Electrical Values—Drycoolers without Pump Controls No. of Fans Model No. Voltage Phase Standard Models 208/230 33, 69, 092, 109, 112 208/230 139, 174, 197, 225 208/230 10.5 11.4...
  • Page 46 380/415 466, 491 620, 650, 380/415 10.2 790, 880, 380/415 13.6 Quiet-Line Models 40, 57, 60 380/415 80, 111, 121 380/415 158, 173, 178 380/415 205, 248 380/415 347, 356 380/415 453, 498 380/415 Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 47 Table 6.4  60Hz Electrical Values—Standard Drycoolers with Integral Pump Controls, 1 to 4 Fans No. of Fans: Model #: 33, 69, 092, 109, 112 139, 174, 197, 225 260, 310, 350 352, 419, 466, 491 Pump 208/230/60 0.75 12.4 14.3 — — —...
  • Page 48 Values are calculated per UL 1995. Pump FLA values used are based on NEC tables for motor horsepower. OPD values may be adjusted higher than calculations to compensate for maximum anticipated application temperatures. * May require electrical component(s) with higher capacity in the drycooler. Consult factory representatives for assistance before ordering. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 49 Table 6.6 Hz Electrical Values--Quiet-line Drycoolers with Integral Pump Controls No. of Fans: Model #: 40, 57, 60 80, 111, 121 158, 173, 178 205, 248 347, 356 453, 498 Pump 208/230/3/60 0.75 10.7 11.6 14.3 15.2 17.9 18.8 10.1 10.2 11.9 12.0...
  • Page 50 25-50 (7.9-15.2) 51-75 (15.5-22.8) 76-100 (23.2-30.4) 101-125 (30.8-38.1) 126-150 (38.4-45.7) Data is based on 16AWG minimum wire size, 0.4 amp per contactor, 1 to 1.5 volt maximum drop and 104°F (40°C) average ambient temperature. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 51 Table 6.9 Minimum Recommended Control Circuit Wire Size, AWG, 60 Hz Models/Drycooler Types without Pump Controls Drycooler Types without Pump Controls (D)DNL (D)DNT Control Wire Run, ft No. of Fans 6 & 8 0-25 (0-7.6) 25-50 (7.9-15.2) 51-75 (15.5-22.8) 76-100 (23.2-30.4) 101-125 (30.8-38.1) 126-150 (38.4-45.7) Data is based on 16AWG minimum wire size, 0.4 amp per contactor, 1 to 1.5 volt maximum drop and 104°F (40°C) average ambient temperature.
  • Page 52 25-50 (7.9-15.2) 51-75 (15.5-22.8) 76-100 (23.2-30.4) 101-125 (30.8-38.1) 126-150 (38.4-45.7) Data is based on 16AWG minimum wire size, 0.4 amp per contactor, 1 to 1.5 volt maximum drop and 104°F (40°C) average ambient temperature. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 53 7 CHECKLIST FOR COMPLETED INSTALLATION NOTE: After installation, proceed with the following list to verify that the installation is complete. Complete and return the Warranty Inspection Check Sheet which is shipped with the unit and return to the address indicated on the check sheet.
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  • Page 55 8 TROUBLESHOOTING Table 8.1 Troubleshooting Symptoms and Checks Symptom Possible Cause Check Or Remedy No main power Check L1, L2 and L3 for rated voltage Disconnect switch Close disconnect switch open Blown fuse or circuit Check fuses or circuit breaker breaker tripped Unit will not operate Control fuse or circuit...
  • Page 56 Strainer clogged or Remove strainer plug and clean. dirty Pump cavitating Possibility of air in lines. Bleed all components. Check surge (erratic gauge tank to pump inlet connection. Check for piping restrictions. operation) Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 57 9 OPERATION WARNING! Risk of electric shock. Can cause equipment damage, injury or death. Open all local and remote electric power supply disconnect switches and verify with a voltmeter that power is off before working within any electric connection enclosures. Service and maintenance work must be performed only by properly trained and qualified personnel and in accordance with applicable regulations and manufacturers’...
  • Page 58 Stats must be field-adjusted to Optional Setting for GLYCOOL/Dual Cool applications and all single drycooler loops using motor ball valve flow controls. 'AQ5 and F7 and F8 applicable only on Drycoolers with 8 fans. Source: DPN001602 Rev. 5 Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 59 Read and follow monthly and semi-annual maintenance schedules included in this manual. These MINIMUM maintenance intervals may need to be more frequent based on site-specific conditions. • We recommend the use of trained and authorized service personnel, extended service contracts and factory- specified replacement parts. Contact your Vertiv sales representative. 10 Maintenance...
  • Page 60 NOTE: Spraying the coil from the outside repeatedly can push a majority of the dirt to the inner section of the fins and continue to restrict air flow. Keep in mind you may not have the luxury of shutting the unit(s) down for an extended time. A pre-scheduled shutdown with the operator may be in order. Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 61 Disconnecting the power supply from the drycooler before working on the unit. 2. Remove the fan guards and fan blades to access to the coil surface. 3. Work the sprayer across the coil using the water/cleaning solution, pushing the dirt and debris out the bottom of the coil.
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  • Page 63 11 PREVENTIVE MAINTENANCE CHECKLIST Source: DPN003119, Rev 1 Inspection Date Job Name Indoor Unit Model # Indoor Unit Serial Number # Drycooler Unit Model # Drycooler Unit Serial # Room Temperature/Humidity °                     % Ambient Temperature ° Good maintenance practices are essential to minimizing operation cost and maximizing product life. Read and follow all applicable maintenance checks listed below.
  • Page 64 Glycol Pump Check pump rotation Check for glycol leaks Pump pressures Suction Discharge Suction Discharge Suction Discharge Amp Draw Verify pump changeover (if multiple pumps) Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 65 MAINTENANCE NOTES Name Signature Company Make photocopies for your records. Compare readings/information to previous maintenance worksheet. To locate your local Vertiv representative for Vertiv-engineered parts, check http://www.Vertiv.com/en-us/support/ or Call 1- 800-543-2778. 11 Preventive Maintenance Checklist...
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  • Page 67 APPENDICES Appendix A: Technical Support and Contacts A.1 Technical Support/Service in the United States Vertiv™ Group Corporation 24x7 dispatch of technicians for all products. 1-800-543-2378 Liebert® Thermal Management Products 1-800-543-2778 Liebert® Channel Products 1-800-222-5877 Liebert® AC and DC Power Products 1-800-543-2378 A.2 Locations...
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  • Page 69 Appendix B: Submittal Drawings Table B.1 Submittal Drawings Contents Document Number Title Dimension Planning Drawings DPN000274 Cabinet and Anchor dimensions for 1 to 4 fan drycoolers DPN000280 Cabinet and Anchor dimensions for 1 to 4 fan Quiet-Line drycoolers DPN000721 Cabinet and Anchor dimensions for 6 to 8 fan standard and Quiet-Line drycoolers Drycooler Pump Drawings DPN000329 Pump Electrical Power Data and Piping-connection sizes.
  • Page 70 Electrical field connections, 6 and 8 fan Quiet-Line drycooler with no control DPN000723 Electrical field connections, 6- and 8 fan Quiet-Line drycooler with DSO/DDO pump control DPN000724 Electrical field connections, 6- and 8 fan Quiet-Line drycooler with DDNL and DDNT pump control Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 71 LIEBERT DRYCOOLER CABINET ANCHOR DIMENSIONAL & GENERAL DATA 43 1/8" 1095mm TOP OF 1-4 FAN MODELS FAN GUARD 43 9/16" 1107mm Eyebolts for lifting Drycooler 70" provided on 4 fan models only 1778mm 37 7/8" Inlet Connection Typ. 962mm (upper header)
  • Page 72 LIEBERT DRYCOOLER CABINET ANCHOR DIMENSIONAL & GENERAL DATA 43 1/8" 1-4 FAN QUIET-LINE MODELS 1095mm TOP OF FAN GUARD 43 9/16" 1107mm Eyebolts for lifting Drycooler 64 3/8" provided on 4 fan models only 1635mm 37 7/8" Typ. 962mm Inlet Connection...
  • Page 73 LIEBERT DRYCOOLER CABINET & ANCHOR DIMENSIONAL DATA 6 & 8 FAN HEAT REJECTION QUIET-LINE MODELS Recommended rigging and spreader bars required for installation. Rigging and bars not supplied by Liebert 87 1/8" 2213mm 43 1/8" 1095mm TOP OF FAN GUARD 37 7/8"...
  • Page 74 LIEBERT DRYCOOLER ELECTRICAL & PIPING CONNECTION DATA PUMP PACKAGE GLYCOL PUMP DATA ELECTRICAL DATA 60Hz PIPING CONNECTIONS NPT FEMALE IN. FLA (FULL LOAD AMPS) PHASE SUCTION DISCHARGE 208V 230V 460V 575V 1-1/4 1-1/2 10.6 1-1/2 16.7 15.2 1-1/4 24.2 ELECTRICAL DATA 50Hz PIPING CONNECTIONS NPT FEMALE IN.
  • Page 75 LIEBERT DRYCOOLER PIPING LOCATIONS & DIMENSIONAL DATA SINGLE PUMP PACKAGE 17 1/4" " 19" 483mm 2 7/8" 73mm 15 7/8" 403mm 1 3/4" 6 3/8" 44mm 162mm 8 3/4" 222mm 12 1/4" 311mm 30" SINGLE PACKAGE 0.75 - 7.5 HP 762mm 17"...
  • Page 76 LIEBERT DRYCOOLER PIPING CONNECTIONS & DIMENSIONAL DATA DUAL PUMP PACKAGE DUAL PACKAGE 0.75 - 5 HP 3" (76.2mm) DIA. PUMP SUCTION CONNECTION K.O.'S 3" (76.2mm) DIA. PUMP DISCHARGE CONNECTION K.O.'S 32 1/4" 819mm 7/8" (22.2mm) DIA. ELECTRICAL K.O.'S 5" (127mm) DIA. PUMP DISCHARGE CONNECTION HOLE 6 3/8"...
  • Page 77 LIEBERT DRYCOOLER GENERAL ARRANGEMENT DIAGRAM & DIMENSIONAL DATA EXPANSION TANK FOR GLYCOL/GLYCOOL™ SYSTEMS Expansion Tank Shutoff Valve Shutoff Valve Pressure Relief Valve - Piped Shutoff To Drain Valve to Drain Tank Notes: 1. These components are factory supplied and shipped loose.
  • Page 78 LIEBERT DRYCOOLER GENERAL ARRANGEMENT DIAGRAM & DIMENSIONAL DATA ASME COMPRESSION TANK KITS GLYCOL/GLYCOOL™ SYSTEMS Air Tube Compression Tank Gauge Glass w/ Shutoff Valves Pitch minimum 1" per foot Drain Tank Fitting Airtrol Tank Fitting (Combination Air Vent Shutoff Valve & Liquid Control)
  • Page 79 LIEBERT DS PIPING SCHEMATIC WATER/GLYCOL 77kW - 105kW SEMI-HERMETIC COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL CUSTOMER HEAT REJECTION PUMPS HEAT REJECTION Threaded Pipe Union Check Valves Typ. (4) Plcs. (on Dual Pump Pressure Systems only) DRYCOOLER Port COOLING TOWER...
  • Page 80 LIEBERT DS PIPING SCHEMATIC WATER/GLYCOL SCROLL COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL CUSTOMER HEAT REJECTION PUMPS HEAT REJECTION Threaded Check Valves Pipe Union (on Dual Pump Typ. (4) Plcs. Systems only) Pressure DRYCOOLER Port COOLING (Glycol) Gate Valves TOWER...
  • Page 81 LIEBERT DS PIPING SCHEMATIC WATER/GLYCOL DIGITAL SCROLL COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL HEAT REJECTION PUMPS CUSTOMER Threaded Check Valves HEAT REJECTION Pipe Union (on Dual Pump Typ. (4) Plcs. DRYCOOLER Pressure Systems only) (Glycol) Port COOLING TOWER Gate Valves...
  • Page 82 LIEBERT DS PIPING SCHEMATIC GLYCOOL™ DIGITAL SCROLL COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL HEAT REJECTION PUMPS Threaded Pipe Union Check Valves Typ. (4) Plcs. (on Dual Pump Pressure Systems only) DRYCOOLER Port (Glycol) Gate Valves Aquastat Sensing Bulbs...
  • Page 83 LIEBERT DS PIPING SCHEMATIC GLYCOOL™ 77kW - 105kW SEMI-HERMETIC COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL HEAT REJECTION PUMPS Threaded Check Valves Pipe Union (on Dual Pump Typ. (4) Plcs. Pressure Systems only) DRYCOOLER Port (Glycol) Gate Valves Aquastat Sensing...
  • Page 84 LIEBERT DS PIPING SCHEMATIC GLYCOOL™ SCROLL COMPRESSOR MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK GLYCOL HEAT REJECTION PUMPS Threaded Pipe Union Check Valves Typ. (4) Plcs. (on Dual Pump Pressure DRYCOOLER Systems only) Port (Glycol) Gate Valves Aquastat Sensing Bulbs Pressure Port...
  • Page 85 LIEBERT PDX PIPING SCHEMATIC WATER/GLYCOL MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK CUSTOMER GLYCOL HEAT REJECTION PUMPS HEAT REJECTION Threaded Pipe Union Check Valves Typ. (4) Plcs. (on Dual Pump DRYCOOLER Aquastat Systems only) COOLING TOWER (Glycol) Pressure Sensing Gate Valves AND PUMP...
  • Page 86 LIEBERT PDX PIPING SCHEMATIC GLYCOOL™ MODELS Optional Dual Pump System shown EXPANSION LIEBERT TANK HEAT REJECTION GLYCOL PUMPS Threaded Check Valves Pipe Union (on Dual Pump Typ. (4) Plcs. Pressure Systems only) DRYCOOLER Port (Glycol) Gate Valves Aquastat Sensing Bulbs Hose Air Vents Pressure Port...
  • Page 87 LIEBERT DRYCOOLER PIPING SCHEMATIC MULTIPLE DRYCOOLERS & COOLING UNITS ON COMMON GLYCOL LOOP GPM (L/s) (kW) (kPa) Per Pump @ PUMP PACKAGE TANK Gal. (L) Total (L/s): Pipe DRYCOOLER NO. 1 MODEL COOLING UNIT # Inches (mm) Diam.: GPM (L/s)
  • Page 88 LIEBERT DRYCOOLER PIPING CONNECTIONS INLET CONNECTION (UPPER HEADER) OUTLET CONNECTION (LOWER HEADER) DRYCOOLER PIPING CONNECTION SIZES (O.D. Cu) DRYCOOLER MODEL NUMBER OF COIL INLET & OUTLET PIPE NUMBER CIRCUITS DIAMETER (INCHES) -033 1 3/8 -069 4, 8* 1 3/8 -092...
  • Page 89 LIEBERT DRYCOOLER PIPING CONNECTIONS QUIET-LINE MODELS INLET CONNECTION (UPPER HEADER) OUTLET CONNECTION (LOWER HEADER) DRYCOOLER PIPING CONNECTION SIZES (O.D. Cu) DRYCOOLER MODEL NUMBER OF COIL INLET & OUTLET PIPE NUMBER CIRCUITS DIAMETER (INCHES) -040 4, 8* 1 3/8 -057 1 5/8...
  • Page 90 LIEBERT DRYCOOLER PIPING CONNECTIONS 6 & 8 FAN MODELS INLET CONNECTIONS OUTLET CONNECTIONS Inlet & Outlet Drycooler No. of No. of Internal No. of Inlets Connection sizes 4 INLET, 4 OUTLET Model No. Fans Circuits & Outlets CONNECTIONS SHOWN (IDS, Cu) SEE TABLE FOR ACTUAL NUMBER PROVIDED.
  • Page 91 LIEBERT DRYCOOLER PIPING CONNECTIONS 6 & 8 FAN QUIET-LINE MODELS INLET CONNECTIONS OUTLET CONNECTIONS Inlet & Outlet Liebert No. of No. of Inlets Connection Size Model No. Qty. Internal Circuits & Outlets (IDS, Cu) 4 INLET, 4 OUTLET -347 CONNECTIONS SHOWN SEE TABLE FOR ACTUAL NUMBER PROVIDED.
  • Page 92 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS FAN SPEED CONTROL Note: Refer to specification sheet for full load amp and wire size amp ratings Factory wired to 24V Electric service connection Factory wired to components Class 2 control circuit Electric service connection...
  • Page 93 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS FLUID TEMPERATURE CONTROL Notes: 1. Refer to specification sheet for full load amp and wire size amp ratings. Electrical service connection to fuse block (factory wired). Factory wired to components Factory wired to 24V Electrical service connection terminals...
  • Page 94 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN MODELS W/ DSO/DDO PUMP CONTROL Factory wired to 24V Class 2 control circuit Unit Alarm Connection Field supplied 24V Class 2 wiring to terminals 24 & 50 to Factory wired to components indicate "Standby Glycol...
  • Page 95 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN HEAT REJECTION MODELS W/ NO CONTROL Factory wired to components on electric panel. Electric service connection to fuse block (factory wired). Electric service connection terminals for field wiring Factory installed disconnect switch...
  • Page 96 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN MODELS W/ DDNL & DDNT FAN CONTROL Electric Service Connection and fuse block Factory wired to 24V Electric Service Connection Class 2 control circuit to fuse block (factory wired). Control Interlock...
  • Page 97 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS FLUID TEMPERATURE CONTROL QUIET-LINE MODELS Note: Refer to specification sheet for full load amp and wire size amp ratings. Electrical service connection to fuse block (factory wired). Factory wired to components Factory wired to 24V...
  • Page 98 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN QUIET-LINE HEAT REJECTION MODELS W/ NO CONTROL Electric service connection to fuse block (factory wired) Electric service connection to fuse block (factory wired) Electric service connection terminals for field wiring Factory installed...
  • Page 99 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN QUIET-LINE MODELS W/ DSO/DDO PUMP CONTROL Facroty wired to 24V Class 2 control circuit Unit Alarm Connection Field supplied 24V Class 2 wiring to terminals 24 & 50 to Factory wired to components indicate "Standby Glycol...
  • Page 100 LIEBERT DRYCOOLER ELECTRICAL FIELD CONNECTIONS 6 & 8 FAN QUIET-LINE W/ DDNL & DDNT CONTROL Electric Service Connection and fuse block Factory wired to 24V Electric Service Connection Class 2 control circuit to fuse block (factory wired) Control Interlock Field supplied Class 2...
  • Page 101 Vertiv | Liebert® Drycooler Installer/User Guide...
  • Page 102 VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2018 Vertiv Co. All rights reserved. Vertiv and the Vertiv logo 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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