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Enclosure D - Refrigerant, hydraulic and electrical connections

D - 1

Liebert

PDX, EconoPhase Version - UM - 265133 - 29.08.2019

Tab. 1 - Electrical data with basic fan module

Model

Unit Connection

PX082

PX094

PX104

PX120

PX150

PX165

ECONOPHASE

IL1

Refrigerant liquid

line inlet 1*

O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm

IL2

Refrigerant liquid

line inlet 2*

O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm O.D. Ø18 mm

OG1

Refrigerant gas line

outtlet 1*

O.D. Ø22 mm O.D. Ø22 mm O.D. Ø22 mm O.D. Ø28 mm O.D. Ø28 mm O.D. Ø28 mm

OG2

Refrigerant gas line

outlet 2 *

O.D. Ø22 mm O.D. Ø22 mm O.D. Ø22 mm O.D. Ø28 mm O.D. Ø28 mm O.D. Ø28 mm

Condensate drain

I.D. Ø20 [mm]

Humidifier feed

R ½ - ISO 7/1 (Electrode Humidifier), O.D. 6 [mm] (Infrared Humidifier)

Humidifier drain

I.D. Ø32 [mm] (Electrode Humidifier), I.D. Ø22 [mm] (Infrared Humidifier)

Electrical power supply

Ø 48 [mm]

EC aux

Low voltage cables

Ø 40 - Ø 36 [mm]

* Connection size only. The connecting pipe diameter depends on unit model, see Tab. 6 in par. 4.1.2

Fig. 1 - Refrigerant, water and electrical connections PX082-094-104-120 ECONOPHASE, top view

OG2

IL2

OG1

IL1

EC aux

HD/HF

132

117

132,

2550

223

102

Fig. 2 - Refrigerant, water and electrical connections PX150-165 ECONOPHASE, top view

3350

121

OG1

IL1

121

OG2

IL2

EC aux

Содержание Liebert PDX

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 55: ......

Страница 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...

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