Справочник ПользователяСодержаниеGeneral Safety Guidelines21.0 Product Description71.1 General Product Information71.1.1 Product/System Description7Figure 1 Liebert XDC components71.2 Equipment Inspection71.3 Equipment Handling71.3.1 Handling With Skid81.3.2 Removal of Skid8Figure 2 Moving Liebert XDC with forklift8Figure 3 Remove tie-down brackets9Figure 4 Remove pallet, insert piano jacks91.3.3 Removing Piano Jacks101.4 Mechanical Considerations101.4.1 Positioning the Liebert XDC10Figure 5 Dimensional data10Table 1 Liebert XDC dimensions, weight10Figure 6 Piping locations11Table 2 Liebert XDC piping connection sizes111.4.2 Placing the Liebert XDC on a Floor Stand12Figure 7 Water/glycol Liebert XDC on a floor stand—positioning and piping connections13Table 3 Liebert XDC water/glycol piping connection Sizes13Figure 8 Piping locations—floor stand and valve assembly141.4.3 Positioning the Liebert XDC with Floor Stand15Figure 9 Dimensions and clearances for Liebert XDC on floor stand151.5 High Voltage Connections161.5.1 Connecting High-Voltage Cables16Figure 10 Front view of Liebert XDC and electrical enclosures16Figure 11 Electrical enclosure knockout locations for field wiring17Figure 12 60Hz models, high voltage connections—primary disconnect switch17Figure 13 50Hz models high voltage connections—primary disconnect switch18Figure 14 60Hz models high voltage connections—secondary disconnect switch18Figure 15 50Hz models high voltage connections—secondary disconnect switch191.6 Extra Low Voltage Connections19Figure 16 Liebert XDC heat rejection connection points19Figure 17 Electrical enclosure knockout locations for Extra Low Voltage connections20Field Connections—All Units20Field Connections—Optional for All Units20Field Connections—Air Cooled Units only20Figure 18 Extra Low Voltage field connections points212.0 Piping and Filling with Refrigerant: R-134a and R-407c Circuits222.1 European Union Fluorinated Greenhouse Gas Requirements222.2 Recommended Pipe Size22Table 4 Supply, return pipe sizes for Liebert XD refrigerant loop222.3 Liebert XDC Interconnection With Liebert XD Cooling Module22Figure 19 Liebert XD system diagram232.4 Piping Installation Method232.4.1 Piping Installation—R-134a Pumped Circuit23Piping Mains23Bypass Flow Controllers24Table 5 Bypass flow controllers for a Liebert XDC-based system24Figure 20 Bypass flow controller details, dimensions24Figure 21 Bypass flow controller arrangement24Figure 22 Bypass flow controller piping25Evacuation and Leak Check—R-134a Pumped Circuit25Insulation252.5 Filling the Pumped Circuit—R-134a26Table 6 System R-134a charge for a Liebert XDC with any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF26Table 7 System refrigerant charge for the supply and return mains26Table 8 R-134a refrigerant charge for hard-piped connector lines to and from any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF26Table 9 R-134a refrigerant charge for Liebert XD Flex Pipe connector lines to and from any model Liebert XDO/Liebert XDH/Liebert XDV/Liebert XDCF272.5.1 Calculating Refrigerant Charge—Example27Table 10 Calculating refrigerant charge—example27Table 11 Worksheet to calculate refrigerant charge272.5.2 Piping for Direct Expansion (DX) Circuit—R-407c Air Cooled Units282.6 Install Double Discharge Risers28Figure 23 Double discharge riser layout28Figure 24 Installation data—Lee-Temp, one-circuit, four-fan model30Figure 25 Installation data—Lee-Temp, one-circuit, high ambient six-fan model31Figure 26 Liebert XDC piping schematic and Lee-Temp heater pad wiring32Figure 27 General arrangement air cooled Liebert XDC Lee-Temp Control33Table 12 Recommended refrigerant line sizes, DX R-407c, OD copper33Figure 28 DCSL616 piping connections—two refrigerant circuits connected for parallel flow34Table 13 Recommended refrigerant line sizes for DCSL61634Figure 29 CSL616 piping connections—two refrigerant circuits connected for parallel refrigerant flow352.6.1 Air Cooled Condenser with Lee-Temp “Flooded Condenser” Head Pressure Control System—R-407c (DX) Circuit36Lee-Temp Piping36Lee-Temp Control Materials Supplied36Evacuation and Leak Check—R-407c (DX) Circuit (Air and Water/Glycol Systems)362.7 Filling the Direct Expansion (DX) Circuit—R-407c37Table 14 Indoor unit refrigerant charge—R-407c37Table 15 Outdoor air condenser charge—R-407c37Table 16 Air cooled systems - liquid line charge - R-407c refrigerant per 100 ft (30 m) of Type "L" copper tube37Table 17 Indoor water/glycol cooled module – R-407C refrigerant charge373.0 Installation Checklist384.0 Checklist for Liebert XDC Startup39Table 18 Liebert XDC pump light indicator *394.1 System Refrigerant Charges Over 35 lb. (15.9kg) Require Additional Oil40Figure 30 Additional oil requirements for refrigerant charge40Table 19 Compressor oil types40Figure 31 System R-134a liquid level415.0 Microprocessor Control425.1 Feature Overview42Figure 32 User interface425.1.1 Display42Table 20 User interface keypad functions425.2 Controls435.2.1 Feature Overview435.2.2 Status Display435.3 Main Menu435.3.1 Viewing or Changing Settings435.3.2 SETPOINTS44Table 21 Setpoint functions, default values and allowable ranges44MIN TEMP SP44HI AIR TEMP44LO AIR TEMP445.3.3 STATUS455.3.4 ACTIVE ALARMS455.3.5 ALARM HISTORY455.3.6 TIME455.3.7 DATE455.3.8 SETUP OPERATION46Table 22 Setup operation functions default values and allowable ranges.46RESTART46C/F DEGREES46PUMP START TD46PUMP WAIT TD46PUMP OFF TD47LEAD PUMP47LEAD TANDEM47DIPSWCH47Table 23 Liebert XDC DIP switches and factory settings47VALVE TIME47VLV ST OPEN47VLV START TD47MIN VLV SET47COMP SEQ ON47COMP OFF TD47INNERSTAGE TD47WSK1 TD47WSK2 TD47100% START TD475.3.9 SETPT PASSWORD485.3.10 SETUP PASSWORD485.3.11 CALIBRATE SENSORS495.3.12 ALARM ENABLE495.3.13 ALARM TIME DELAY505.3.14 COM ALARM ENABLE505.3.15 CUSTOM ALARMS505.3.16 CUSTOM TEXT515.3.17 DIAGNOSTICS516.0 Alarm Descriptions and Solutions526.1 Alarm Descriptions526.2 Red and Green Lamp Indicators536.3 Enable / Disable Alarms546.4 Alarm Time Delays546.5 View Active Alarms546.6 View Alarm History556.7 System Shutdown Causes557.0 Troubleshooting56Table 24 Liebert XDC troubleshooting568.0 Maintenance588.1 Fluorinated Greenhouse Gas Requirements588.2 Air Cooled Condenser58Figure 33 Outdoor fan/condenser configuration588.3 Water/Glycol Floor Stand Condenser598.3.1 Shell and Tube Condensers598.3.2 Regulating Valves59Testing the Water Regulating Valve Function598.3.3 Glycol Solution Maintenance599.0 Specifications60Table 25 Liebert XDC specifications60Table 26 Floor stand specifications—water-cooled Liebert XDC61Table 27 Floor stand specifications—Liebert XDC with 40% propylene glycol61Table 28 Floor stand specifications—Liebert XDC with 40% ethylene glycol62Размер: 2,9 МБСтраницы: 64Язык: EnglishПросмотреть