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Liebert® Air Cooled Condenser

USER MANUAL

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Summary of Contents for Liebert LDF42-R3

Page 1: ...Liebert Air Cooled Condenser USER MANUAL...

Page 2: ...escribed in this document may not be within the purchasing scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provi...

Page 3: ...ry It also indicates instructions that need to be adhered to failing which may result in danger and safety issues thereby having an adverse effect on the reliability of the device and security Even fo...

Page 4: ...ers Of Storage Environment 6 Chapter 2 Installation 7 2 1 Moving Unpacking And Inspection 7 2 2 Installation Notes 8 2 3 Space Requirements 9 2 4 Installation Procedures 10 Chapter 3 Application of Fa...

Page 5: ...The condenser is available in 17 models The classification and models are listed in Table 1 1 Table 1 1 Condenser models R22 R407C refrigeration Single circuit LSF24 T LSF32 T LSF38 T LSF42 T LSF52 T...

Page 6: ...is inside the condenser and the appearance and position of other components are shown in Figure 1 2 and Figure 1 3 Fan Figure 1 2 Condenser single fan single circuit Fans Isolation switch Electrical...

Page 7: ...meters Model Weight kg Fan diameter mm Fan number Dimension mm L H W LSF24 105 710 1 1384 990 689 LSF32 110 710 1 1384 990 689 LSF38 120 800 1 1384 990 695 LSF42 130 800 1 1584 1273 695 LSF52 140 800...

Page 8: ...e 1 5 Mounting base figure for horizontal installation unit mm Table 1 3 Mounting base dimensions for horizontal installation unit mm Model Dimension L H D Model Dimension L H D LSF24 1126 837 53 LSF8...

Page 9: ...Table 1 4 Mounting base dimensions for vertical installation unit mm Model Dimension a LSF24 LDF32 LSF38 1280 LSF42 LDF42 LSF52 LDF52 1480 LSF62 LSF70 1780 LDF62 LDF70 1980 LSF76 LDF76 LSF85 LDF85 22...

Page 10: ...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...

Page 11: ...ser closest to the installation site When a forklift is used insert the tines of the forklift shown in Figure 2 1 taking the single fan condenser for example Forklift direction Figure 2 1 Forklift dir...

Page 12: ...eakage do not touch the copper pipes Inspection After the product arrival you should check the accessories against the packing list If any parts are found missing or damaged please report to the carri...

Page 13: ...he condenser for correct installation direction 2 3 Space Requirements 1 A 4000mm clearance is required around the condenser air outlet 2 600mm service spaces are required on the four sides of the con...

Page 14: ...dation 1 Identify the pipe sizes Refer to Installing Unit Pipes in Liebert LSF Air Conditioner User Manual for pipe sizes 2 Identify the condenser installation height Refer to Installing Unit Pipes in...

Page 15: ...re of single fan external power cables taking LDF42 for example Figure 2 6 Connection figure of double fans external power cables taking LDF62 for example 1 The external power cables enter the electri...

Page 16: ...t condenser such as LDF42 LDF52 LDF62 LDF70 LDF76 and LDF85 the four condenser start stop signal cables should be paralleled at the terminal block of indoor unit before connection for single circuit c...

Page 17: ...rs should not operate the fan speed controller unless necessary The configured fan number must be the same as the number of the actual fans or else a false alarm will be generated Refer to Configurati...

Page 18: ...nal of 12V power Pin 2 input terminal of 4mA 20mA pressure current signal J14 HP2 Input terminal of current pressure sensor 2 J5 Out Temp Input terminal of ambient temperature sensor spare Pin 1 input...

Page 19: ...controller board is faulty D139 VCOM Power indicator Yellow On The fan speed controller board is supplied with VCOM power Off The fan speed controller board is faulty D156 5V Power indicator Yellow O...

Page 20: ...larm data include phase loss alarm PIM over temperature fan 1 over temperature fan 2 over temperature fan 1 over temperature locked fan 2 over temperature locked pressure sensor failure EEPROM read fa...

Page 21: ...re 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 t...

Page 22: ...esses and orders of the analog submenu are shown in Figure 3 5 and the analog main menu ID significances are shown in Table 3 4 Figure 3 5 Switching operation processes and orders of the analog submen...

Page 23: ...emperature 41 106 41 The temperature sensor is not connected 106 Temperature sensor short 40 105 Ambient temperature F04 Output percentage 0 100 Rated frequency 50 60Hz F05 State of enable signal 0 ON...

Page 24: ...ver temperature locked 04 fan 2 over temperature locked 05 pressure sensor failure 06 EEPROM read fault alarm 07 hardware over current 08 bus over voltage 09 Historical alarm main menu interface Press...

Page 25: ...eters 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 configuration data main menu Th...

Page 26: ...ut frequency fan number and pressure sensor type refrigerant type jump frequency 1 jump frequency 1 range jump frequency 2 jump frequency 2 range jump frequency 2 jump frequency 2 range the curve of f...

Page 27: ...cy 1 fp 0 0 100 Read and write C08 Jump frequency 1 range 0 0 0 0Hz 0 5Hz Read and write C09 Jump frequency 2 fp 0 0 100 Read and write C10 Jump frequency 2 range 0 0 0 0Hz 0 5Hz Read and write C11 Ju...

Page 28: ...e refrigeration pipes with fastening objects 2 Check that there is no oil on the accessories of all refrigeration pipes and make sure that the pipes do not leak Heat exchanger 1 Clean the fin of the h...

Page 29: ...ing the fan speed controller board Except for the seven bolts in Figure 4 2 other bolts are prohibited to remove The bolt 1 and bolt 2 which are used to fix the heat sink on the fan speed controller b...

Page 30: ...2 over temperature The fan cannot run normally Check that the fan runs normally The AC contactor supplying power for fan has fault or its wire cuts off Check the wiring of AC contactor detect the aux...

Page 31: ...controller board and compare the result of two boards A07 EEPROM read fault The fan speed controller board has a hardware fault Replace the fan speed controller board and compare the result of two boa...

Page 32: ...Vertiv I Liebert Air Cooled Condenser I User Manual 28 Appendix Circuit Diagram Figure 1 Circuit diagram of the condenser with single fan...

Page 33: ...Vertiv I Liebert Air Cooled Condenser I User Manual 29 Figure 2 Circuit diagram of the condenser with double fans...

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