Vertiv Liebert PDX User Manual Download Page 1

Page: 1 / 56

Liebert

PDX

80-165 kW Indoor Room Cooling Units

with Modulating Capacity

Econophase Version - 50 Hz

User Manual

English, Cod. 265133, rev. 29.08.2019

Use only with:

●

Liebert

EconoPhase Version

●

Liebert

EconoPhase

Pumped Refrigerant Module

Summary of Contents for Liebert PDX

Page 1: ...65 kW Indoor Room Cooling Units with Modulating Capacity Econophase Version 50 Hz User Manual English Cod 265133 rev 29 08 2019 Use only with Liebert MC EconoPhase Version Liebert EconoPhase Pumped Re...

Page 2: ...Liebert PDX EconoPhase Version UM 265133 29 08 2019...

Page 3: ...ind the door on the left WARNING This manual was prepared to enable the end user to carry out only the operation that can be done with the panels closed Only qualified personnel are allowed to carry o...

Page 4: ...r remote control panel or the external main switch if installed If small objects are left loose in the fans bay after any maintenance operation it may result in the object ejection at the fans start u...

Page 5: ...ctrical heating Ampere 11 Electrical heating steps 12 Humidifier Ampere 13 Steam production capacity 14 Max unit AC Ampere 15 Max unit DC Ampere 16 Rated peak withstand current 17 Rated short time cur...

Page 6: ...ed or Water cooled with Standard Pressure 2 way MBV Digit 16 Colour 1 Black Vertiv RAL 7021 Digit 17 High Voltage Option T Dual Power Supply parallel Magnetic circuit breaker for 10A three phases U Du...

Page 7: ...o need to operate the compressor At lower temperatures the system switches one or both circuits from Compressor Mode to Pump Mode The pump consumes roughly 1 10th of the power consumed by the compress...

Page 8: ...opping of the compressor which uses a lot of power and puts a great amount of stress on the components therefore we can enhance efficiency and life of the system With the Liebert PDX range we are able...

Page 9: ...le when the outdoor temperature is low enough to provide the required temperature difference between the indoor air and the outside air This mode turns the compressors Off and turns the Liebert EconoP...

Page 10: ...ration flow path Fig 4 Pump operation flow path Check Valve Check Valve Check Valve Compressor Condenser Evaporator Electronic Expansion Valve Solenoid Valve Pump Check Valve Condenser Compressor Chec...

Page 11: ...t the total length should not exceed 150m between the indoor Liebert PDX unit and all outdoor equipment Cable Type Conductors 22 18AWG stranded tinned copper Twisted pair one pair is required for conn...

Page 12: ...and the compressor s in Circuit 2 is On Some systems may not have Mixed Mode capability depending on the manufacture date Contact the factory to inquire about a software upgrade 1 8 1 EconoPhase Contr...

Page 13: ...The fan speed will be lower for a given heat load with lower outdoor temperature in order to maintain the setpoint Because the refrigerant temperature could be below the dew point inside the indoor pi...

Page 14: ...m tested in controlled conditions and is for reference only Tab 2 Representative Liebert EconoPhase loop temperatures at 1 6 C outdoor temperature Load Outdoor Temp C RA Temp C Circuit 1 Circuit 2 Cir...

Page 15: ...al discharge line before each lift Liquid Return Refrigerant Piping Field Piping 1 Two refrigeration circuits provided Single refrigeration circuit shown for clarity 2 Schematic representation shown D...

Page 16: ...perature From 26 C to 40 C Humidity ratio From 5 5 g kg to 12 g kg Relative humidity From 20 to 60 Storage conditions Temperature From 20 C to 50 C Relative humidity Max 90 RH preventing surface conde...

Page 17: ...ely 2 4 Recommended Unit Handling Equipment 2 5 Handling the Unit While Packaged Transport unit using a fork lift or pallet jack otherwise use a crane with slings in this case use spreader bars to avo...

Page 18: ...oning Before proceeding with the installation of all units see overall dimensions and service area drawings in Enclosure C Installation Drawings Make sure the floor can support the unit weight see poi...

Page 19: ...em 4 1 1 General layout 1 In soft or hard copper The diameter required is stated in Tab 6 If the installer intends to use pipes of a larger diameter e g for long winding runs then consult HPAC Technic...

Page 20: ...toward Liebert EconoPhase unit 50 8mm per 3m Components are not supplied by Liebert but are recommended for proper circuit operation and maintenance Components supplied by Liebert and must be field in...

Page 21: ...g Welding All joints must be braze welded Avoid butt welds by using sleeves or enlarging one of the pipes using a pipe opener Use silver based solders and the correct apparatus Guarantee a correct wel...

Page 22: ...1 5 0 076 0 812 0 751 0 681 Tab 8 Equivalent lengths m of curves shut off and non return valves Due to the small weight influence at 15 5 bar discharge temp 65 0 C only 46 36 kg m3 for R410A is consid...

Page 23: ...isconnected as follows c1 close the cylinder cock 11a c2 close the way 5 16 SAE of the connected Schrader valves 6 Inspect all connections joints using a leak detector If a nleak is found empty the pi...

Page 24: ...connection diagram Acceptable Power Supplies 380V to 460V Nominal Units TT System TNS System or TNC System 380V wye with solidly grounded neutral and 220V line to ground 460V wye with solidly grounded...

Page 25: ...Vac typical value for 5s minimum motor will be switched off only by electronics no potential separation status relay is released If mains voltage returns to correct values the motor will restart autom...

Page 26: ...tion if fitted 20 Once the system is operating under load check the various components as follows Verify that the fans are operating properly Ensure that the temperature and relative humidity are bein...

Page 27: ...ween different solutions Dual Power Supply Parallel 2 separate power supplies during normal working mode both are present during emergency situation only the main one is present This means that during...

Page 28: ...sensitivity to the end to avoid undesirable alarm signal because of few sporadic water drops place the sensors at a minimum distance of 500 mm from the unit base perimeter This solution assures alarm...

Page 29: ...quiries always refer to the Component List supplied with the equipment and specify the model number serial number and if available also the part number NOTES 1 When a faulty component is replaced foll...

Page 30: ...el or a grid to get access to the fan bays see pictures below Note Downflow Down remove floor panels positioned in front of the unit to get access to the fan section frontal grid Remove any obstacles...

Page 31: ...Check the power supply on all phases X Check the connections for electrical and mechanical function X Check the power supply at all terminals X Measure power consumption at all connected consumers X S...

Page 32: ...han a few minutes and in case of topping up using exclusively the oil indicated on the refrigerating compressor Normally 1 or 2 litre cans are available for this purpose once they are opened they must...

Page 33: ...gations Where large installations are involved service companies are contracted to carry out maintenance or servicing In these cases the determination of the operator depends on the contractual and pr...

Page 34: ...e chloride content in mg l CL 3 not less than 300 of the chloride content in mg l CL There is not reliable relationship between hardness and conductivity of the water Important do not treat the water...

Page 35: ...w up to 10l min Pay attention in the manual drainage of the steam cylinder if the drainage network isn t able to drain 10 l min risk of water overflow on the humidifier A 2 1 Electrode humidifier comp...

Page 36: ...ntenance see cylinder instruction sheet The life of the cylinder depends on several factors including the complete filling with lime scale and or the partial or complete corrosion of the electrodes th...

Page 37: ...water A 4 4 Replacement and maintenance of other components Fill solenoid valve after having disconnected the cables and the tubing remove the solenoid valve and check the condition of the inlet filt...

Page 38: ...5 160 300 200 A C 10 70mm2 Cooling Electrical heaters Dehumidification Fan s Compressor s Electrical heaters PX082 400 V 3 Ph N 50 Hz earth 76 148 100A C 10 70mm2 PX094 76 174 100A C 10 70mm2 PX104 78...

Page 39: ...47 1 36 PX150 36 63 30 77 2x31 2x25 2x140 2x118 19 53 16 77 1 11 1 11 1 23 1 24 PX165 35 89 45 38 2x34 2x31 2x174 2x140 19 08 22 89 0 83 0 83 1 11 1 11 At standard operating conditions Filters class F...

Page 40: ...0 17 3 barg Output 0 5 V see Control manual High Pressure Switch HP STOP 37 0 1 barg START 30 0 1 5 barg fixed setting manual reset Reset Normally closed Clogged filter differential pressure switch C...

Page 41: ...t Aisle application increase refrigerant charge up to 10 The correct charge must be precisely defined in field starting with about 80 of the basic reference charge and following the instruction given...

Page 42: ...ditions In Downflow Up units with predisposition for damper and plenum installation digit 18 H or L the unit is shipped with a connecting flange 50 mm high fixed on the unit top so the unit is 50 mm h...

Page 43: ...760 760 C 70 70 With Base Frame A 2526 3326 B 840 840 C 30 30 With Legs kit A 2506 3306 B 820 820 C 30 30 Downflow Down A 2532 3332 B 846 846 C 20 20 With floor tiles support kit A 2570 3370 B 885 885...

Page 44: ...O D 22 mm O D 22 mm O D 28 mm O D 28 mm O D 28 mm CD Condensate drain I D 20 mm HF Humidifier feed R ISO 7 1 Electrode Humidifier O D 6 mm Infrared Humidifier HD Humidifier drain I D 32 mm Electrode...

Page 45: ...YING LIMIT EXTERNAL TO PDX UNIT 12 12 12 12 B1 B1 B2 B2 6 17 17 15 Nr DESCRIPTION 20 NTC TEMPERATURE SENSOR FOR DIGITAL COMP 19 ACCESS VALVE 1 4 18 HIGH PRESSURE TRANSDUCER 17 CHECK VALVE 10 bar 145 p...

Page 46: ...it is fixed on it E 3 Fresh air module Downflow PX082 120 The fresh air kit optional has a G3 class filter installed on the intake side of the fan and is connected to the PDX unit with a 100 mm diamet...

Page 47: ...drop these cartridges provide a remarkable sound power level reduction Note In downflow units it is required a flange 50 mm high to connect the plenum to the unit see E 10 E 7 Horizontal hood with gri...

Page 48: ...n the raised floor With a correct installation the maximum admitted vertical distributed load is 600 kg m2 Footboards are designed to support distributed load as indicated above and the maximum concen...

Page 49: ...ressure 200 kPa Size humidifier supply line for 3 8 l min with a minimum water pressure of 138 kPa Do not supply de ionized water to the humidifier Drain Water This contains the same substances dissol...

Page 50: ...e all service and or maintenance operations must be performed by expert and qualified personnel who are aware of the necessary precautions Before performing any operations check that the humidifier is...

Page 51: ...ew lamp s metal ends This will support the lamp and allow for thermal expansion Insert the lead wires into the junction block and torque the screws 10 Reassemble by reversing Steps 1 to 9 F 4 3 Period...

Page 52: ...safety reason and in order to obtain optimum performance from the humidifier this manual and the HSU08RM000 manual must be read carefully Tab 1 Ultrasonic Humidifier specifications G 2 Installation T...

Page 53: ...tains the same substances dissolved in the supply water however in larger quantities It is not toxic and can be drained into the sewerage system category 3 EN 1717 Dispose the drain hose into an ordin...

Page 54: ...he principle of ultrasonic nebulization The mist generated in the water tank by means of the transducer is blown into the room by the built in fan The humidifier consists of nebulization modules solen...

Page 55: ......

Page 56: ...rks of Vertiv Co All other names and logos referred to are trade names trademarks or registered trademarks of their respective owners While every precaution has been taken to ensure accuracy and compl...

Search results

Summary of Contents for Liebert PDX

Reviews:

Related manuals for Liebert PDX

Brands by name

Popular brands

Vertiv Liebert PDX, User Manual

Search results

Summary of Contents for Liebert PDX

Reviews:

Related manuals for Liebert PDX

Brands by name

Popular brands