Vertiv Liebert Drycooler Installer/User Manual Download

Page: 81 / 102

REV : 5
REV DATE : 6/19

DPN001430
Page :1 /1

WATER/GLYCOL DIGITAL SCROLL COMPRESSOR MODELS

: D

PIPING SCHEMATIC

LIEBERT DS

NOTE: SCHEMATIC REPRESENTATION SHOWN. THIS SCHEMATIC DOES NOT IMPLY OR DEFINE ELEVATIONS
AND COMPONENT LOCATION, UNLESS SPECIFICALLY NOTED.

Service
Valve

Service

Valve

Components are not supplied by Liebert but are
required for proper operation and maintenance
Field installed at highest point in system on return
line to pumps
Locate at tops of all risers and any intermediate
system high points

External
Equalizer

Sensing Bulb

NOTE: TWO REFRIGERATION CIRCUITS PROVIDED.
SINGLE REFRIGERATION CIRCUIT SHOWN FOR CLARITY.

FIELD PIPING

FACTORY PIPING

Check
Valve

EVAPORATOR

COIL

Expansion
Valve

COMPRESSOR

LIQUID

SUCTION

Sight
Glass

Solenoid
Valve

Filter Drier

PARADENSER®

CONDENSER

TO SECOND

REFRIGERATION

CIRCUIT

Hose
Bib

Shut-Off Valve

Hose
Bib

Shut-Off Valve

Flow-Regulating
Valve

Flow Switch Supplied
with Dual Pump
Systems

Pressure Port

Gate Valves

Check Valves
(on Dual Pump
Systems only)

GLYCOL

PUMPS

EXPANSION

TANK

Hose
Bib

SERVICE / SCHRADER (ACCESS) CONNECTION WITH VALVE CORE

SERVICE / SCHRADER (ACCESS) CONNECTION NO VALVE CORE

OPTIONAL FACTORY PIPING

Aquastat
Sensing
Bulbs

Pressure
Port

2-Way
Motorized
Ball Valve

Optional 3-Way
Motorized Ball
Valve

Optional Dual Pump System shown

DRYCOOLER

(Glycol)

Air Vents
(typical)

Shut-Off Valve

RETURN

SUPPLY

RETURN

SUPPLY

DISCHARGE

COOLING TOWER

AND PUMP SYSTEM

BY OTHERS

CUSTOMER

HEAT REJECTION

LIEBERT

HEAT REJECTION

LIEBERT DS UNIT

(and associated piping)

RETURN

SUPPLY

Relief valve(s) supplied
with 50 Hz EU CE units rated
maximum 480 PSIG (33 Bar).

Pressure
Transducer

To
iCOM
Control

From
iCOM
Control

53-70kW Digital
Solenoid Valve

28-42kW Digital Solenoid Valve

Threaded
Pipe Union
Typ. (4) Plcs.

Summary of Contents for Liebert Drycooler

Page 1: ...Liebert Air cooled Direct drive Drycooler Installer User Guide 50 Hz and 60 Hz ...

Page 2: ...claims all liability for damages resulting from use of this information or for any errors or omissions Refer to other local practices or building codes as applicable for the correct methods tools and materials to be used in performing procedures not specifically described in this document The products covered by this instruction manual are manufactured and or sold by Vertiv This document is the pr...

Page 3: ... Moving and Installation 21 4 6 Preparing 6 and 8 Fan Drycoolers for Moving and Installation 25 4 7 Mounting the Drycooler 29 5 Piping 31 5 1 Guidelines for Expansion Tanks Fluid relief Valves Air Management and Other Devices 36 5 2 Preparing to Fill the System 36 5 3 Filling the Drycooler System 38 6 Electrical Connections 39 6 1 Line Voltage Wiring 40 6 2 Low Voltage Control Wiring 46 7 Checklis...

Page 4: ...rycooler Coil 56 10 2 3 Cleaning the Drycooler Coil 56 11 Preventive Maintenance Checklist 59 Appendices 63 Appendix A Technical Support and Contacts 63 Appendix B Submittal Drawings 65 Vertiv Liebert Drycooler Installer User Guide ii ...

Page 5: ... ensure that there is NO voltage inside the unit is to install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes 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 enclosure...

Page 6: ...m or prepare the unit for installation Table 3 1 on page 11 and Table 3 2 on page 13 for weights WARNING Risk of contact with high speed rotating fan blades Can cause serious injury or death Open all local and remote electric power supply disconnect switches verify with a voltmeter that power is off and verify that all fan blades have stopped rotating before working in the unit cabinet or on the f...

Page 7: ...e considered because some sources may contain corrosive elements that reduce the effectiveness of the inhibited formulation Sediment deposits prevent the formation of a protective oxide layer on the inside of the coolant system components and piping The coolant fluid must be treated and circulating through the system continuously to prevent the buildup of deposits and or growth of bacteria Proper ...

Page 8: ...the forklift level and at a height suitable to fit below the skid and or unit to prevent exterior and or underside damage NOTICE Risk of a catastrophic water circuit rupture Can cause expensive building and equipment damage Install shutoff valves in the supply and return water lines that automatically close if water is detected by the leak detection system The shutoff valves should be spring retur...

Page 9: ...ne glycol and propylene glycol are supplied with corrosion inhibitors and do not contain a silicone anti leak formula Commercial ethylene glycol and propylene glycol when pure are generally less corrosive to the common metals of construction than water itself Aqueous solutions of these glycols however assume the corrosivity of the water from which they are prepared and may become increasingly corr...

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Page 11: ...it2 Unit Family D Drycooler Digit 3 Pump Control N No pump control S Single pump control D Dual pump control Digits 4 Fan Control C No fan control L Main fan control T Fan cycling O Fan cycling and pump control S Special order fan pump control F Fan speed control Digits 5 6 7 Model Size Digit 8 Power Supply P 208 230V 1ph 60Hz W 200 220V 1ph 50Hz Y 208 230V 3ph 60Hz A 460V 3ph 60Hz B 575V 3ph 60Hz...

Page 12: ...eed DSF DDF Available only on single fan standard drycoolers with integral pump controls Fan speed control provides an infinite number of speed variations on specially designed single phase permanent split capacitor motor by monitoring leaving fluid temperature Fan speed control provides air delivery in direct proportion to heat rejection requirements of the system The control is adjustable to mai...

Page 13: ...eld supplied for field supplied pumps Dual pump option Provides controls for primary and standby pump The flow switch senses loss of flow and switches to the standby pump for continuous system operation in the event of a pump failure An internal switch allows manual selection of the lead lag pump 2 2 2 Typical System Configurations The standard glycol cooled precision air conditioning system inclu...

Page 14: ...ebert DS GLYCOOL digital scroll compressor models DPN000897 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 Table 2 3 Pi...

Page 15: ...oler must be installed on a level surface to ensure proper glycol flow venting and drainage Allow adequate space for pump packages expansion compression tanks piping and additional field supplied devices When mounting pump packages mount on level surface or suitable curbs that will allow cooling ventilation air to enter from underneath the pump package frame and exit through the louvers The drycoo...

Page 16: ...x163 251 7 0 D 419 1020 463 1481 672 1738 788 D 466 1050 476 1511 685 1768 802 D 491 1100 499 1561 708 1818 825 D 620 6 1780 808 2223 1008 142x36x94 361x91x239 278 7 9 2948 1337 143x37x95 363x94x241 291 8 2 D 650 1830 831 2273 1031 2998 1360 D 700 1880 854 2323 1054 3048 1383 D 790 8 2250 1022 2815 1277 182x36x94 462x91x239 356 10 0 3769 1710 183x37x95 465x94x241 372 10 5 D 880 2330 1058 2895 1313...

Page 17: ...8 788 D 347 6 1780 808 2223 1008 142x36x94 361x91x239 278 7 9 2948 1337 143x37x95 363x94x241 291 8 2 D 356 1880 854 2323 1054 3048 1383 D 453 8 2250 1022 2815 1277 182x36x94 462x91x239 356 10 0 3769 1710 183x37x95 465x94x241 372 10 5 D 498 2430 1103 2995 1359 3949 1791 Table 3 2 Quiet Line Drycooler Net weights Shipping Weights Dimensions and Volume Approximate 3 2 Planning Dimensions and Anchor P...

Page 18: ...ocuments by number and title DocumentNumber Title DPN000329 Pump Electrical Power Data and Piping connection sizes DPN000278 Single pump Piping connection locations and dimensional data DPN000328 Dual pump Piping connection locations and dimensional data Table 3 4 Drycooler Pump Drawings Figure 3 1 Pump curve 60 Hz NOTE Higher capacity pumps are available Please contact your local sales rep for mo...

Page 19: ...rawings Contents on page 65 The following table lists the relevant documents by number and title DocumentNumber Title DPN004183 Expansion Tank General Arrangement and Dimensional Data Table 3 5 Drycooler Pump and Tank Drawings 3 3 2 Compression Tank The compression tank for glycol GLYCOOL systems includes Tank Airtrol fitting Sight glass with shut off valves 50 psi relief valve Drain valve Mountin...

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Page 21: ...r than the unit If the spreader bars are too short the slings may crush the unit NOTICE Risk of damage from forklift Can cause unit damage Keep tines of the forklift level and at a height suitable to fit below the skid and or unit to prevent exterior and or underside damage NOTICE Risk of improper storage Keep the unit upright indoors and protected from dampness freezing temperatures and contact d...

Page 22: ... and two fan units 48 in 1219 mm for 3 fan and 4 fan units 72 in 1829 mm for 6 fan units 72 in 1829 mm for 8 fan units 96 in 2438 mm When moving the packaged unit do not lift it any higher than 6 in 152 mm If the unit must be lifted higher than 6 in 152 mm you must exercise great care and no one may be closer than 20 ft 6 m to the lift point We recommend lifting one end off the ground no more than...

Page 23: ...efully remove the steel straps securing the unit to the skid CAUTION Risk of unsecured strap ends with sharp edges flying uncontrollably in any direction when cut Can cause serious injury Secure both ends of each strap when cutting and wear OSHA approved protective headgear gloves and eye protection when working with the securing straps 3 Set the legs aside but keep accessible Depending on the num...

Page 24: ...Figure 4 2 Removing Protective Material Vertiv Liebert Drycooler Installer User Guide 20 ...

Page 25: ...t indicated locations using the fasteners provided with the legs Figure 4 3 below Recommended tools for attachment is a 5 8 socket and ratchet More legs may be available for installation than are shown This will depend on the unit type and number of fans Refer to the appropriate planning dimensions drawing in Submittal Drawings Contents on page 65 for the number of legs on your unit Figure 4 3 Att...

Page 26: ... spreader bars a lift beam and a crane to lift the unit off the skid Make sure spreader bars are wider than the unit to prevent crushing force NOTICE 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 Ver...

Page 27: ...ilable 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 7 Set the upright unit on the ground so the legs support unit weight 8 Remove the straps from around unit Figure 4 5 Rotate and Set Drycooler on Ground or Level Surface 4 Equipment Inspection and Handling 23 ...

Page 28: ...f the legs 4 fan units Secure straps or chains to the eye bolts on top of the unit NOTICE 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 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 Dr...

Page 29: ...legs to the higher side of the unit Use four 4 fasteners per leg Fasteners are provided with the legs Recommended tools for attachment is a 5 8 socket and ratchet More legs may be required for installation than are shown This will depend on the unit type and number of fans Refer to the appropriate planning dimensions drawing in Submittal Drawings Contents on page 65 for the number of legs on your ...

Page 30: ...as shown in Figure 4 8 below 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 26 ...

Page 31: ...y 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 Move the skid out the way and attach remaining legs Figure 4 9 Move Sling to Side Resting on Skid and Lift to Remove Skid and Install Legs 4 Equipment Inspection and Handling 27 ...

Page 32: ...r bars are still required Make sure spreader bars are wider than the unit to keep the straps from pressing on the sides of the unit NOTICE 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 The unit is ready to be lifted and moved to its installation location Figure 4 10 Riggi...

Page 33: ...ooler 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 14 mm holes in each leg For anchor dimensions refer to the appropriate drawing for your unit model included in the Submittal Drawings Contents on page 65 4 Equipment Inspection and Handling 29 ...

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Page 35: ...rosion of the system Consult fluid manufacturer for testing and maintenance of inhibitors Commercial grade coolant fluid is generally less corrosive to the common metals of construction than water itself 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 monito...

Page 36: ... finned sections of the coil On multiple pump packages install a check valve at the discharge of each pump to prevent back flow through the standby pump s To extend the service life of the drycooler and pumps install 16 20 mesh screen filters strainers in the supply line to the pumps The filter strainer s should be easily replaced or cleaned Consider Installing hose bibs at the lowest point of the...

Page 37: ...897 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 Table 5 1 Piping General arrangment Drawings DocumentNumber Title DP...

Page 38: ...1 2 1 8 260 16 24 3 10 0 37 9 1 1 2 1 8 310 16 32 13 1 49 6 1 1 2 1 8 350 16 32 19 4 73 3 1 1 2 1 8 48 1 1 2 5 8 352 16 24 4 13 1 49 6 1 1 2 1 8 419 16 32 17 4 65 9 1 1 2 1 8 466 26 22 0 83 3 1 1 2 1 8 466 40 1 1 2 5 8 491 16 32 26 3 99 6 1 1 2 1 8 48 1 1 2 5 8 620 32 64 6 27 0 102 2 2 2 2 1 8 650 40 52 33 0 124 9 2 2 2 1 8 80 4 4 2 1 8 700 32 64 40 0 151 4 2 2 2 1 8 96 4 4 2 1 8 790 32 64 8 35 0 ...

Page 39: ... 24 6 9 26 2 1 1 2 1 8 121 16 32 9 0 34 0 1 1 2 1 8 158 16 24 3 10 0 37 9 1 1 2 1 8 173 16 32 13 1 49 6 1 1 2 1 8 178 16 32 19 4 73 3 1 1 2 1 8 48 1 1 2 5 8 205 16 24 4 13 1 49 6 1 1 2 1 8 248 16 32 17 4 65 9 1 1 2 1 8 347 32 64 6 27 0 102 2 2 2 2 1 8 356 32 64 39 3 148 8 2 2 2 1 8 96 4 4 2 1 8 453 32 64 8 35 0 132 5 2 2 2 1 8 498 32 64 52 0 196 8 2 2 2 1 8 96 4 4 2 1 8 Standard circuiting Table 5...

Page 40: ...ooler and related equipment Because government regulations and use conditions are subject to change it is the user s responsibility to determine that this information is appropriate and suitable under current applicable laws and regulations 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 u...

Page 41: ...bientTemperature F C Coolant 20 7 10 12 0 18 10 23 20 29 30 34 40 40 50 46 Propylene Glycol by volume 18 29 36 42 46 50 54 57 Ethylene Glycol by volume 17 26 35 41 46 50 55 59 Based on Dowfrost PG and Dowtherm EG product literature Inhibitor levels should be adjusted to properly protect the system if solution concentrates are less than 30 Table 5 6 Glycol Concentrations for Freeze Protection by Am...

Page 42: ...ng systems to the loop 2 With the top vent s open fill the system from the bottom of the loop The glycol will push the air out of the top of the system minimizing trapped air 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 D...

Page 43: ... line side of this switch contains live high voltage The only way to ensure that there is NO voltage inside the unit is to install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes WARNING Risk of improper wiring piping moving lifting and handling Can cause equipment damage serious injury or death Installation and service of this equipment should be done...

Page 44: ...this manual and according to the applicable national state and local code requirements Use copper conductors only Verify that all electrical connections are tight Unit specific wiring diagrams are provided on each unit NOTICE Risk of improper power supply connection Can cause equipment damage and loss of warranty coverage Prior to connecting any equipment to a main or alternate power source for ex...

Page 45: ...8 230 3 14 0 14 9 20 460 3 6 8 7 2 15 575 3 5 6 6 0 15 6 620 650 700 208 230 3 21 0 21 9 25 460 3 10 2 10 6 15 575 3 8 4 8 8 15 8 790 880 940 208 230 3 28 0 28 9 35 460 3 13 6 14 0 20 575 3 11 2 11 6 15 Liebert Quiet Line Models 1 40 57 60 208 230 3 1 8 2 3 15 460 3 0 9 1 1 15 575 3 0 7 0 9 15 2 80 111 121 208 230 3 3 6 4 1 15 460 3 1 8 2 0 15 575 3 1 4 1 6 15 3 158 173 178 208 230 3 5 4 5 9 15 46...

Page 46: ...lers without Pump Controls continued No of Fans Model Voltage Phase FLA StandardModels 1 33 69 92 109 112 200 230 1 4 0 380 415 3 1 7 2 139 174 197 225 380 415 3 3 4 3 260 310 350 380 415 3 5 1 4 352 419 466 491 380 415 3 6 8 6 620 650 700 380 415 3 10 2 8 790 880 940 380 415 3 13 6 Quiet Line Models 1 40 57 60 380 415 3 0 9 2 80 111 121 380 415 3 1 8 3 158 173 178 380 415 3 2 7 4 205 248 380 415 ...

Page 47: ...5 9 9 11 1 15 11 6 12 8 15 5 0 3 9 3 11 2 15 11 0 12 9 20 12 7 14 6 20 14 4 16 3 20 7 5 3 12 7 15 5 25 14 4 17 2 25 16 1 18 9 25 17 8 20 6 30 575 60 0 75 3 2 7 3 1 15 4 1 4 5 15 5 5 5 9 15 6 9 7 3 15 1 5 3 3 8 4 4 15 5 2 5 8 15 6 6 7 2 15 8 0 8 6 15 2 0 3 4 1 4 8 15 5 5 6 2 15 6 9 7 6 15 8 3 9 0 15 3 0 3 5 3 6 3 15 6 7 7 7 15 8 1 9 1 15 9 5 10 5 15 5 0 3 7 5 9 0 15 8 9 10 4 15 10 3 11 8 15 11 7 13...

Page 48: ...27 4 35 575 60 0 75 3 9 7 10 1 15 12 5 12 9 15 1 5 3 10 8 11 4 15 13 6 14 2 20 2 0 3 11 1 11 8 15 13 9 14 6 20 3 0 3 12 3 13 3 15 15 1 16 1 20 5 0 3 14 5 16 0 20 17 3 18 8 20 7 5 3 17 4 19 7 25 20 2 22 5 30 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 app...

Page 49: ... 4 15 9 4 11 3 15 10 3 12 2 15 11 2 13 1 20 13 0 14 9 20 14 8 16 7 20 7 5 3 11 9 14 7 25 12 8 15 6 25 13 7 16 5 25 14 6 17 4 25 16 4 19 2 30 18 2 21 0 30 10 0 3 14 9 18 4 30 15 8 19 3 30 16 7 20 2 30 17 6 21 1 35 19 4 22 9 35 21 2 24 7 35 15 3 21 9 27 2 45 22 8 28 1 45 23 7 29 0 45 24 6 29 9 50 26 4 31 7 50 28 2 33 5 50 575 3 60 0 75 3 2 0 2 3 15 2 7 3 0 15 3 4 3 7 15 4 1 4 4 15 5 5 5 8 15 6 9 7 2...

Page 50: ...s up to 150 ft 45 7m Contact the factory for assistance with longer wiring runs Refer to the drawings contained in Table 6 1 on page 40 as well as the indoor unit manual for location of terminals on drycoolers and indoor units Refer to the electrical schematics supplied with the drycooler and indoor units for proper wiring of terminals 70 and 71 Control Wire Run ft m Drycooler Typeswith Pump Contr...

Page 51: ... m Drycooler Typeswith Pump Controls DSF DDF DSO DDO No of Fans No of Fans 1 1 1 2 3 4 6 8 1 2 3 4 6 8 0 25 0 7 6 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 5 1 0 1 5 1 5 1 5 1 5 1 5 25 50 7 9 15 2 1 0 1 0 1 0 1 0 1 0 1 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 51 75 15 5 22 8 1 0 1 5 1 0 1 5 2 5 2 5 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 76 100 23 2 30 4 1 0 2 5 1 0 1 5 2 5 2 5 4 0 6 0 4 0 6 0 6 0 6 0 6 0 6 0 101 125 30 8 3...

Page 52: ...6 100 23 2 30 4 1 0 1 0 1 0 1 0 1 0 1 5 2 5 4 0 101 125 30 8 38 1 1 0 1 5 1 0 1 5 1 5 2 5 2 5 6 0 126 150 38 4 45 7 1 0 1 5 1 0 1 5 1 5 2 5 4 0 6 0 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 Table 6 11 Minimum Recommended Control Circuit Wire Size mm2 50 Hz Models Drycooler Types without Pump Controls Vertiv ...

Page 53: ...y grounded to an earth ground 8 Control transformer setting matches incoming power 9 Electrical service conforms to national and local codes 10 Check fans for proper phase rotation Blades should rotate clockwise when viewing the unit from the fan guard side 7 3 Piping Installation Checks 1 Piping is properly sized for efficiency 2 Piping completed to corresponding indoor cooling unit glycol drycoo...

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Page 55: ...anced voltage Determine reason and correct Outlet temperature from unit too high Low or no coolant flow See Pump will not operate or no coolant flow on the next page entry in this table Ambient air temperature higher than design Correct possible hot air discharge to fans from another source Heat load higher than design Check for misapplication need larger cooler Correct possible additional heat lo...

Page 56: ...arge pressure too high Throttling valve improperly set Reset valve to proper differential pressure Valve closed in circuit Open all valves downstream of unit Strainer clogged or dirty Remove strainer plug and clean Pump will not operate or no coolant flow No power to pump motor See Unit will not operate on the previous page in this table Low coolant level Check coolant level Tubes plugged in cooli...

Page 57: ...er disconnect ON Turn on indoor units and set for cooling to allow operation of drycooler fan and pump controls Check the fans for proper rotation air discharging up Check the pumps for proper rotation 9 2 Startup Drycooler Aquastat Settings The fan off temperature of the aquastat fluid temperature controls should be set according to factory supplied schematic shipped inside the drycooler s electr...

Page 58: ...r GLYCOOL Dual Cool applications and all single drycooler loops using motorized ball valve flow controls 4 F3 fan available only on drycoolers with 3 or 4 fans 5 AQ3 and F4 applicable only on drycoolers with 4 fans Source DPN001602 Rev 5 Table 9 2 Aquastat Settings 2 Fan through 4 Fan Drycoolers Dial Setting StatOpen Temp Setfor Mid Differential 8 F 4 4 C Rise to Close Aquastat Fans StatLocation C...

Page 59: ...ply 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 specifications Opening or removing the covers to any equipment may expose personnel to lethal voltages within the...

Page 60: ...Coil NOTICE Risk of improper cleaning agent selection including non base paint solvents Can cause building and equipment damage and loss of refrigerant charge Using acid based or sodium hydroxide based cleaners can damage the drycooler coil and cause a loss of charge This could cause equipment damage as well as damage to the surrounding structure Start with removing dirt leaves fibers etc with a s...

Page 61: ...ution pushing the dirt and debris out the bottom of the coil 4 If you are using a cleaner along with the spraying process follow recommended manufacturer instructions and be sure to rinse the coil thoroughly Any residue left on the coil can act as a magnet to dirt 5 Reinstall and secure the fan blades and fan guards after the cleaning is finished 6 Reconnect the power supply to the drycooler 10 Ma...

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Page 63: ... certified replacement parts Contact your local sales representative for more details Check all that apply c Coil clean and free of debris c Motor mounts tight c Piping support clamps secure c Check re torque wire connections c Check contactors for pitting replace if pitted c Check fuses c Verify fan operation c Check surge protection device status indicator lights if equipped c Ambient thermostat...

Page 64: ... Check for glycol leaks c Pump pressures 1 Suction Discharge 2 Suction Discharge 3 Suction Discharge c Amp Draw 1 L1 L2 L3 2 L1 L2 L3 3 L1 L2 L3 c Verify pump changeover if multiple pumps Vertiv Liebert Drycooler Installer User Guide 60 ...

Page 65: ...ies 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 61 ...

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Page 67: ...rt 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 United States Vertiv Headquarters 1050 Dearborn Drive Columbus OH 43085 USA Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy Asia 7 F Dah Sing Financial Centre 3108 Gloucester Road Wanchai Hong Kong Appendices 63 ...

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Page 69: ...LYCOOL digital scroll compressor models DPN000897 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 PipingConnection Drawi...

Page 70: ...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 Table B 1 Submittal Drawings Contents continued Vertiv Liebert Drycooler Installer User Guide 66 ...

Page 71: ... 1050 476 D 491 21700 10242 18083 8535 26 3 99 6 1100 499 80 2032 124 3150 164 4166 42 1067 82 2083 122 3099 82 2083 84 2134 4 51 1 2 1308 91 1 2 2324 131 1 2 3340 171 1 2 4356 2 CFM I s 60Hz See note 1 CFM I s 50Hz See note 1 Internal Volume Gal Liters Dry Wt Lbs kg 1 44 1118 N A D in mm 3 Liebert Model No of fans A in mm B in mm C in mm 43 9 16 1107mm A 70 1778mm Typ Disconnect Switch Eyebolts f...

Page 72: ...C in mm 1 2 3 4 51 1 2 1308 91 1 2 2324 131 1 2 3340 171 1 2 4356 44 1118 CFM I s 60Hz See note 1 CFM I s 50Hz See note 1 Internal Volume Gal Liters Dry Wt Lbs kg D in mm 82 2083 164 4166 84 2134 124 3150 42 1067 82 2083 122 3099 43 9 16 1107mm A 64 3 8 1635mm Typ Disconnect Switch Eyebolts for lifting Drycooler provided on 4 fan models only Inlet Connection upper header Outlet Connection lower he...

Page 73: ...330 1058 940 52 196 8 2430 1103 453 35 132 2250 1022 498 52 6 199 2430 1103 Standard Quiet Line Standard Quiet Line Drycooler Physical Data Liebert Model No Qty of Fans A in mm B in mm C in mm D in mm E in mm Coil Internal Vol Gal L Dry Wt lbs kg Drycooler Type 6 8 122 3099 N A 124 3150 131 1 2 3340 82 2083 80 2032 164 4166 70 1778 171 1 2 4356 59 1499 87 1 8 2213mm E 37 7 8 962mm 43 1 8 1095mm TO...

Page 74: ...8 3 4 2 7 3 10 6 9 6 4 8 3 9 1 5 16 7 15 2 7 6 6 1 1 1 4 7 5 24 2 22 11 9 3 3 1 1 1 2 2 3 1 1 4 5 1 SUCTION DISCHARGE PHASE HP 3 4 ELECTRICAL DATA 50Hz PHASE 3 4 7 4 38 7 9 7 47 1 1 2 PIPING CONNECTIONS NPT FEMALE IN 3 4 3 00 2 88 PIPING CONNECTIONS NPT FEMALE IN SUCTION DISCHARGE FLA FULL LOAD AMPS 1 1 2 1 1 4 HP GLYCOL PUMP DATA FLA FULL LOAD AMPS 3 4 1 64 1 63 2 4 2 25 380V 415V 1 1 4 3 ELECTRI...

Page 75: ...ON CONNECTION K O S 3 76 2mm DIA PUMP DISCHARGE CONNECTION K O S 7 8 22 2mm DIA ELECTRICAL K O S 1 2 12 7mm DIA HOLES FOR MOUNTING 8 3 4 222mm 17 1 4 A 3 4 19mm 4 4 PUMP PACKAGE MOUNTING ANGLES NOTE ANGLES LOCATED INSIDE BOTTOM OF PUMP PACKAGE VIEW USED FOR MOUNTING REFERENCE B C Pump Package A B C Single 0 75 7 5HP 15 1 4 387 2 1 2 64 22 1 2 572 MOUNTING HOLE DIMENSIONAL DATA in mm Model Weight S...

Page 76: ...E 5 127mm DIA PUMP SUCTION CONNECTION HOLE 5 5 4 4 3 DUAL PACKAGE 7 5 HP 32 1 4 819mm 2 7 8 73mm 4 1 8 105mm 33 3 16 843mm 29 3 16 741mm 15 7 8 403mm 11 7 8 302mm 16 3 8 416mm 6 1 2 165mm 41 1041mm 41 1 4 1048mm 32 3 8 822mm 19 5 16 491mm 6 1 2 12 7mm DIA HOLES FOR MOUNTING A 3 4 19mm 6 6 PUMP PACKAGE MOUNTING ANGLES NOTE ANGLES LOCATED INSIDE BOTTOM OF PUMP PACKAGE VIEW USED FOR MOUNTING REFERENC...

Page 77: ...allation and piping by others 2 These components are not factory supplied by Liebert but are required for proper system operation and maintenance Field installation and piping by others 3 Field to provide a means for adding pre mixed Glycol to system 4 Install expansion tank at the highest point of the system Expansion Tank 2 1 2 2 Glycol loop piping To Drain Shutoff Valve Pressure Relief Valve Pi...

Page 78: ...M SYSTEM APPROX KIT WT 1 1 2 12 305 14 356 8 203 10 254 Shutoff Valve Pitch minimum 1 per foot Gauge Glass w Shutoff Valves Compression Tank Drain Glycol loop piping Air Tube Pressure Relief Valve To Suction side of Pump W D C A T Drain Tank Fitting Airtrol Tank Fitting Combination Air Vent Liquid Control 1 1 1 1 2 Notes 1 These components are factory supplied and shipped loose Field installtion a...

Page 79: ...nly GLYCOL PUMPS EXPANSION TANK Hose Bib COOLING TOWER AND PUMP SYSTEM BY OTHERS SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCESS CONNECTION NO VALVE CORE OPTIONAL FACTORY PIPING Aquastat Sensing Bulbs Pressure Port 2 Way Regulating Valve Sensor Optional 3 WayRegulating Valve Optional Dual Pump System shown DRYCOOLER Glycol Air Vents typical Shut Off Valve Shut Off Valve ...

Page 80: ... Valve Filter Drier PARADENSER CONDENSER TO SECOND REFRIGERATION CIRCUIT Hose Bib Shut Off Valve Hose Bib Shut Off Valve Flow Regulating Valve Flow Switch Supplied with Dual Pump Systems Pressure Port Gate Valves Check Valves on Dual Pump Systems only GLYCOL PUMPS EXPANSION TANK Hose Bib SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCESS CONNECTION NO VALVE CORE OPTIONAL FA...

Page 81: ...R TO SECOND REFRIGERATION CIRCUIT Hose Bib Shut Off Valve Hose Bib Shut Off Valve Flow Regulating Valve Flow Switch Supplied with Dual Pump Systems Pressure Port Gate Valves Check Valves on Dual Pump Systems only GLYCOL PUMPS EXPANSION TANK Hose Bib SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCESS CONNECTION NO VALVE CORE OPTIONAL FACTORY PIPING Aquastat Sensing Bulbs Pre...

Page 82: ...lter Drier PARADENSER CONDENSER TO SECOND REFRIGERATION CIRCUIT Hose Bib Shut Off Valve Hose Bib Shut Off Valve Flow Regulating Valve Flow Switch Supplied with Dual Pump Systems Pressure Port Gate Valves Check Valves on Dual Pump Systems only GLYCOL PUMPS EXPANSION TANK Hose Bib ECON O COIL SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCESS CONNECTION NO VALVE CORE Aquastat...

Page 83: ...ck Valves on Dual Pump Systems only GLYCOL PUMPS EXPANSION TANK Hose Bib ECON O COIL SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCESS CONNECTION NO VALVE CORE Aquastat Sensing Bulbs Pressure Port 3 Way Regulating Valve Sensor Optional Dual Pump System shown DRYCOOLER Glycol Air Vents typical Shut Off Valve Shut Off Valve RETURN SUPPLY RETURN SUPPLY DISCHARGE 3 Way Chilled...

Page 84: ...CTION Sight Glass Solenoid Valve Filter Drier PARADENSER CONDENSER TO SECOND REFRIGERATION CIRCUIT Hose Bib Shut Off Valve Hose Bib Shut Off Valve Flow Regulating Valve Flow Switch Supplied with Dual Pump Systems Pressure Port Gate Valves Check Valves on Dual Pump Systems only GLYCOL PUMPS EXPANSION TANK Hose Bib ECON O COIL SERVICE SCHRADER ACCESS CONNECTION WITH VALVE CORE SERVICE SCHRADER ACCES...

Page 85: ...UPPLY RETURN SUPPLY DISCHARGE COOLING TOWER AND PUMP SYSTEM BY OTHERS CUSTOMER HEAT REJECTION LIEBERT HEAT REJECTION LIEBERT PDX UNIT and associated piping RETURN SUPPLY Pressure Transducer To iCOM Control From iCOM Control Y Strainer Shut off Valve 3 Places Notes 1 Schematic representation shown Do not use for specific connection locations 2 Install a 20 mesh strainer in an easily accessible loca...

Page 86: ...T and associated piping RETURN SUPPLY RETURN SUPPLY DISCHARGE 3 Way Chilled Glycol Valve Thermistor Digital Solenoid Valve To iCOM Control From iCOM Control Shut off Valve 3 Places Y StraineR Pressure Transducer Notes 1 Schematic representation shown Do not use for specific connection locations 2 Install a 20 mesh strainer in an easily accessible location on the water glycol supply to prevent part...

Page 87: ...PM L s P Ft kPa COOLING UNIT MODEL GPM L s P Ft kPa COOLING UNIT MODEL GPM L s P Ft kPa COOLING UNIT MODEL GPM L s P Ft kPa BUTTERFLY VALVE STRAINER FILTER NOTES 1 PRESSURE AND TEMPERATURE GAUGES OR PORTS FOR SAME ARE RECOMMENDED TO MONITOR COMPONENT PRESSURE DROPS AND PERFORMANCE 2 FLOW MEASURING DEVICES DRAIN AND BALANCING VALVES TO BE SUPPLIED BY OTHERS AND LOCATED AS REQUIRED 3 SEE PRODUCT LIT...

Page 88: ... 12 16 1 5 8 109 8 1 3 8 109 16 2 1 8 112 8 1 3 8 112 16 26 2 1 8 139 8 16 2 1 8 174 8 16 24 2 1 8 197 8 1 3 8 197 16 32 2 1 8 225 16 26 2 1 8 260 16 24 2 1 8 310 16 32 2 1 8 350 16 32 2 1 8 350 48 2 5 8 352 16 24 2 1 8 419 16 32 2 1 8 466 26 2 1 8 466 40 2 5 8 491 16 32 2 1 8 491 48 2 5 8 DRYCOOLER PIPING CONNECTION SIZES O D Cu Standard Circuiting INLET CONNECTION UPPER HEADER OUTLET CONNECTION ...

Page 89: ...TS INLET OUTLET PIPE DIAMETER INCHES 040 4 8 1 3 8 057 12 1 5 8 057 16 2 1 8 060 8 1 3 8 060 16 2 1 8 080 8 16 2 1 8 111 16 24 2 1 8 121 16 32 2 1 8 158 16 24 2 1 8 173 16 32 2 1 8 178 16 32 2 1 8 178 48 2 5 8 205 16 24 2 1 8 248 16 32 2 1 8 DRYCOOLER PIPING CONNECTION SIZES O D Cu Standard Circuiting INLET CONNECTION UPPER HEADER OUTLET CONNECTION LOWER HEADER ...

Page 90: ...ECTIONS OUTLET CONNECTIONS STANDARD CIRCUITING 32 64 40 52 80 4 32 64 96 4 32 64 52 80 4 32 64 96 4 2 2 2 2 1 8 650 700 790 880 940 6 8 620 2 Drycooler Model No No of Fans No of Internal Circuits No of Inlets Outlets Inlet Outlet Connection sizes IDS Cu 4 INLET 4 OUTLET CONNECTIONS SHOWN SEE TABLE FOR ACTUAL NUMBER PROVIDED ...

Page 91: ...ERT DRYCOOLER STANDARD CIRCUITING INLET CONNECTIONS OUTLET CONNECTIONS 32 64 32 64 96 4 32 64 32 64 96 4 Liebert Model No Fan Qty No of Internal Circuits No of Inlets Outlets Inlet Outlet Connection Size IDS Cu 2 2 1 8 356 453 498 347 2 6 8 4 INLET 4 OUTLET CONNECTIONS SHOWN SEE TABLE FOR ACTUAL NUMBER PROVIDED ...

Page 92: ...of electric box Electric service connection terminals for power supply to pumps when pump controls are factory supplied 7 8 22mm diameter knockouts provided in bottom of electric box Three terminals for three phase pump option only Earth ground bar 50Hz Connection terminals with factory ground from each high voltage component for field supplied earth grounding wire PUMP FUSES OVERLOAD HEATERS SHIP...

Page 93: ...ound connection 60Hz Connection terminal for field supplied earth ground wire Earth ground bar 50Hz Connection terminals with factory ground from each high voltage component for field supplied earth ground wire PUMP FUSES OVERLOAD HEATERS SHIPPED WITH STANDARD PUMP PACKAGES ARE TO BE FIELD INSTALLED IN PUMP FUSE BLOCK S AND STARTER S Electric service connection terminals for power supply to pumps ...

Page 94: ...ontrols only Field supplied 24V Class 2 wiring from terminals 74 77 to factory supplied and field mounted flow switch Electric Service Connection Teminals for power supply to pumps when pump controls are factory supplied Dual pump connection shown O7 8 22mm knockouts provided in bottom of electric box Earth Ground Bar 50Hz Connection terminals with factory ground from each high voltage component f...

Page 95: ...n terminal for field supplied earth grounding wire when factory disconnect is NOT supplied 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 Electric service entrance A 7 8 22mm hole in a 1 1 8 29mm knockout provided in bottom of electric panel Electric ser...

Page 96: ... electric box Factory wired to components on electric panel Earth Ground Bar optional on 50Hz only Connection terminals with factory ground from each high voltage component for field supplied earth grounding wire Earth Ground Connection 60Hz Connection terminal for field supplied earth grounding wire when factory disconnect is NOT supplied Electric Service Three phase for all models Wiring not by ...

Page 97: ...und connection 60Hz Connection terminal for field supplied earth ground wire Earth ground bar 50Hz Connection terminals with factory ground from each high voltage component for field supplied earth ground wire PUMP FUSES OVERLOAD HEATERS SHIPPED WITH STANDARD PUMP PACKAGES ARE TO BE FIELD INSTALLED IN PUMP FUSE BLOCK S AND STARTER S Electric service connection terminals for power supply to pumps w...

Page 98: ...on terminal for field supplied earth grounding wire when factory disconnect is NOT supplied 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 disconnect switch Electric service entrance A 7 8 22mm hole in a 1 1 8 29mm knockout provided in bottom of electric panel E...

Page 99: ...pump controls only Field supplied 24V Class 2 wiring from terminals 74 77 to factory supplied and field mounted flow switch Electric Service Connection Teminals for power supply to pumps when pump controls are factory supplied Dual pump connection shown O7 8 22mm knockouts provided in bottom of electric box Earth Ground Bar 50Hz Connection terminals with factory ground from each high voltage compo...

Page 100: ... electric box Factory wired to components on electric panel Earth Ground Bar optional on 50Hz only Connection terminals with factory ground from each high voltage component for field supplied earth grounding wire Earth Ground Connection 60Hz Connection terminal for field supplied earth grounding wire when factory disconnect is NOT supplied Electric Service Three phase for all models Wiring not by ...

Page 101: ...Vertiv Liebert Drycooler Installer User Guide ...

Page 102: ...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 herein Vertiv Co assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions Specifications are subject to change without notice SL 10080_REV5 590 16...

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