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Liebert.PEX Condenser

User Manual

Version V1.0
Revision date

May 27, 2010

BOM 31011829

Emerson Network Power provides customers with technical support. Users may contact the nearest
Emerson local sales office or service center.

Copyright © 2010 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.

Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057, Shenzhen China
Homepage: www.emersonnetworkpower.com.cn
E-mail: [email protected]

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Содержание LDF42

Страница 1: ...Next Generation Critical Cooling for Room and Row Liebert PEX Efficiency And Reliability For High Availability Cooling Condenser User Manual ...

Страница 2: ...nearest Emerson local sales office or service center Copyright 2010 by Emerson Network Power Co Ltd All rights reserved The contents in this document are subject to change without notice Emerson Network Power Co Ltd Address No 1 Kefa Rd Science Industry Park Nanshan District 518057 Shenzhen China Homepage www emersonnetworkpower com cn E mail support emersonnetwork com cn ...

Страница 3: ... Of Storage Environment 4 Chapter 2 Installation 5 2 1 Moving Unpacking And Inspection 5 2 2 Installation Notes 6 2 3 Space Requirements 6 2 4 Installation Procedures 7 Chapter 3 Application Of Fan Speed Controller 9 3 1 Wiring Terminals 9 3 2 HMI 10 3 3 Operation Description Of HMI 11 3 3 1 Initial Interface 11 3 3 2 Main Menu Interface 11 Chapter 4 Maintenance And Troubleshooting 14 4 1 Maintena...

Страница 4: ...odels Classification Model Single circuit LS12 LS18 LSF24 LSF32 LSF38 LSF42 LSF52 LSF62 LSF72 LSF76 LSF85 Dual circuit LDF42 LDF52 LDF62 LDF72 LDF76 LDF85 1 2 Model Description Taking LSF62 for example the model description of the condenser is shown in Figure 1 1 L SF 62 Model code SF single circuit with fan speed controller Liebert DF dual circuit with fan speed controller Figure 1 1 Model descri...

Страница 5: ...2 Mechanical parameters Dimension mm Model Weight kg Fan diameter mm Fan number L H W LSF12 80 500 1 924 990 599 LSF18 80 500 1 924 990 599 LSF24 105 710 1 1374 990 689 LSF32 110 710 1 1374 990 689 LSF38 120 800 1 1374 990 695 LSF42 130 800 1 1574 1273 695 LSF52 140 800 1 1574 1273 695 LSF62 150 710 2 1874 1273 689 LSF72 150 710 2 1874 1273 689 LSF76 220 800 2 2374 1273 695 LSF85 230 800 2 2374 12...

Страница 6: ... 837 53 LDF52 1326 1120 53 LSF38 1126 837 53 LDF62 1826 1120 53 LSF42 1326 1120 53 LDF72 1826 1120 53 LSF52 1326 1120 53 LDF76 2126 1120 53 LSF62 1626 1120 53 LDF85 2126 1120 53 LSF72 1626 1120 53 Note The installation holes are long and flat holes It is recommended to use M10 20 bolts to fix the mounting base Mounting base dimensions for vertical installation The mounting base figure for vertical...

Страница 7: ...power 400V 10 50Hz Altitude 1000m Derating is required if the altitude exceeds 1000m Protection level Electrical control box IP55 unit IP20 fan motor IP54 Note Condenser fins have a corrosion resistant coating designed to provide maximum life expectancy for the heat exchanger and protect the aluminium fins from harsh environments The high performance coating has been tested for 2000 hours exposure...

Страница 8: ...1 Forklift direction When a crane is used refer to Figure 2 2 to lift the package taking the double fans condenser for example Note When lifting the package fix the cable by leading it through the slots located at the bottom of the pallet Otherwise the cable may slide during the lifting process and the package may fall to the ground damaging the pipes inside and resulting in system leakage Figure ...

Страница 9: ... is no steam or waste heat around 2 If possible the horizontal installation is recommended to reduce the noise 3 The condenser should be installed away from the residential areas 15m 4 Be careful not to damage the waterproof layer and observe the local regulations when the condenser is installed on the roof of the building 5 Position the condenser higher than the indoor unit to ensure normal oil r...

Страница 10: ...ing external power external power supply of the condenser 1 Identify the cable specifications Select the power supply cables and start stop signal cables of the condenser according to site conditions such as the distance between the indoor unit and the condenser Table 2 1 Operation current of fan under 400V voltage Condenser Model FLA A LSF12 0 79 LSF18 1 45 LSF24 1 65 LSF32 1 05 LSF38 LSF42 LSF52...

Страница 11: ...meter is Φ10mm 2 After connecting the external power cables apply waterproof sealant treatment to ensure the good waterproof performance of electrical control box 3 The phase sequence of three phase AC input L1 L2 L3 must be correct Otherwise the fan speed controller will generate the phase loss alarm and there will be no AC output 4 For dual circuit condenser such as LDF42 LDF52 LDF62 LDF72 LDF76...

Страница 12: ...CD and keys Figure 3 1 Layout of wiring terminals Table 3 1 Definitions of wiring terminals Silk print Definition Definition of pins J1 AC I O terminal PE protection earth L1 L2 L3 three phase AC input U V W three phase AC output which connects with the power supply terminals The middle terminal pin without logo is reserved J9 Passive dry contactor relay output for the power switch of fan power su...

Страница 13: ...cator Green Blinking at 5Hz quickly There is an alarm or the compressor is shut down On The control switch which supplies the AC contactor with the driving power is open D15 Power switch controlling indicator of AC contactor Red Off The control switch which supplies the AC contactor with the driving power is closed RS232 serial communication port The RS232 serial communication port is a port to co...

Страница 14: ...he actual value is determined by the sampling result F01 16 1 F01 16 1 Figure 3 3 Display order of the initial interface 3 3 2 Main Menu Interface Press the ESC key on the initial interface and the main menu interface will appear on the LCD The main menu interfaces include the analog main menu interface current alarm main menu interface historical alarm main menu interface and configuration main m...

Страница 15: ... 5 Switching operation processes and orders of the analog submenu Current alarm main menu interface Press the ENT key to enter the current alarm submenu interface when the current main menu interface shows A the symbol of current alarm main menu The switching operation processes and orders of the current alarm submenu are shown in Figure 3 6 See Table 4 1 for generating conditions and troubleshoot...

Страница 16: ...e shown Figure 3 7 Switching operation processes and orders of the historical main menu Configuration data main menu interface Note The configuration data main menu interface is designed only for maintenance personnel to set parameters others are prohibited to operate it Press the ENT key to enter the configuration data submenu interface when the current main menu interface shows C the symbol of c...

Страница 17: ...hen the compressed air is used 3 Check for damaged fins and maintain them in time 4 Avoid snow accumulation around the condenser in winter Fan Check that the fan runs normally Check it for problems such as abnormal noise vibration and bearing failure Fan speed controller Check that the fan speed controller board operates normally If not replace it as illustrated in the following paragraph Note Not...

Страница 18: ...ircuit has fault Replace the fan speed controller board and compare the result of two boards The pressure sensor is not installed or its terminal connection is poor Check the wiring of pressure sensor Jumper caps are not used to short terminals J17 and J18 of current pressure sensor Install the jumper cap when the current pressure sensor is configured Pressure sensor failed Replace the pressure se...

Страница 19: ... the upper header connects to pressure sensor 2 4 Both external power and compressor signal are wired in field 5 The compressor signal cables should be in parallel and then connected into the electrical control board when the indoor unit is a dual circuit Fan Isolation switch Black Black Black Black Black Black Black Black Black Black Black Black Black Black Black Black Black Black Black Red Orang...

Страница 20: ...eaker External power Shell connecting to the earth Olivine Black White Orange Olivine Black White Orange Olivine Brown Olivine Brown Black Orange Black Orange Contactor 1 Contactor 2 Fan1 remote Fan2 proximal Wiring terminal block Compressor White Brown Orange Isolation switch Black Black Black Black Black Black Black Black Black Black Black Black BlackBlack Black Black Black Black Black Black 03 ...

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