BenutzerhandbuchInhaltsverzeichnisImportant Safety Guidelines7Save These Instructions7Liebert MC Nomenclature91.0 Introduction10Figure 1 Two-fan Liebert MC condenser101.1 Control/Fan Types101.1.1 Premium Efficiency Control/EC Fan101.1.2 Liebert Lee-Temp™ Refrigerant Control111.2 Sound Level111.2.1 Liebert Quiet-Line Match Up111.3 Surge Protection Device (Optional)112.0 Site Preparation122.1 Site Considerations122.2 Dimensions and Weights12Table 1 Condenser net weights, shipping weights, dimensions and volume, approximate12Table 2 Condenser net weight addition—taller legs12Figure 2 Typical footprint dimensions, all units13Figure 3 Condenser planning dimensional data—MCS02813Figure 4 Condenser planning dimensions—MCM040, MCM080, MCM160 with/without Liebert Lee-Temp™14Figure 5 Condenser planning dimensions–MCM12015Figure 6 Condenser planning dimensions—MCL055, MCL110, MCL165 and MCL22016Table 3 Condenser leg height and additional weight, MCL055, MCL110, MCL165 and MCK22016Figure 7 Cabinet and anchor dimensions—MCL055, MCL110, MCL165 and MCL220 with Liebert Lee-Temp™ receiver173.0 Inspection and Installation183.1 Equipment Inspection183.1.1 Packing Material18Safety Information18Figure 8 Equipment recommended for handling a Liebert condenser193.2 Handling Unit on the Skid19Figure 9 Forklift position with one-fan or two-fan condensers193.3 Unit Storage193.4 Unpacking the Condenser—All Unit Sizes20Figure 10 Removing protective material203.5 Preparing a Condenser for Moving and Installation—Units with One or Two Fans213.5.1 Attaching Legs, Removing the Skid and Attaching Slings-Units with One or Two Fans21Figure 11 Attaching legs to one-fan or two fan condensers21Figure 12 Securing slings to condensers for lifting off skid21Figure 13 Remove skid, set condenser on floor22Figure 14 Lifting condensers with one, two, three or four fans233.6 Mounting the Condenser234.0 Electrical Connections244.1 Line Voltage Wiring25Table 4 Electrical data, three-phase, 60Hz condenser, Premium Version (EC control)25Table 5 Electrical data, Liebert Lee-Temp™ receiver, 60Hz264.1.1 Wye vs. Delta Connection Power Supply26Figure 15 Wye vs. Delta power supply connection diagram26Acceptable Power Supplies—208V to 480V Nominal Units26Unacceptable Power Supplies—208V to 480V Nominal Units264.2 Low-Voltage Control Wiring—Premium Efficiency Control Condenser274.2.1 Electrical Field Connection Descriptions28Figure 16 Typical connections, Premium Efficiency Control28Key Electrical Details—Typical Connections, Premium Efficiency Control29Figure 17 Field configurations and setting adjustments, Premium Efficiency Control305.0 Piping315.1 Piping Guidelines31Figure 18 Piping schematic335.2 Field Piping Guidelines34Figure 19 Liebert MC Condenser piping—Single-circuit units35Table 6 Liebert MC Condenser piping sizes, single-circuit units35Figure 20 Condenser piping for single-circuit condensers (with Liebert Lee-Temp™)36Table 7 Condenser piping connection sizes—single-circuit condensers with Liebert Lee-Temp36Figure 21 Piping: dimensions—dual circuit two-fan and four-fan units37Table 8 Piping: dimensions—dual-circuit, two-fan and four-fan units37Figure 22 Piping: dimensional data with Liebert Lee-Temp™—dual circuit condensers38Table 9 Piping dimensions—dual circuit condensers with Liebert Lee-Temp385.3 Refrigerant Planning Values39Table 10 Refrigerant required, R-407C, approximate39Table 11 Refrigerant required, R-410A, approximate39Table 12 Interconnecting piping refrigerant charge405.4 Equipment Application Guidelines405.5 Refrigerant Oil Addition Procedures405.6 System Dehydration/Leak Test405.7 Liebert MC Condenser Charging, Units with Liebert Lee-Temp™ Systems405.8 Liebert MC Condenser Charging with Liebert DSE™ Units405.9 Liebert MC Condenser Charging, Units without Liebert Lee-Temp™ Systems41Table 13 Target subcooling for ambient outdoor temperature42Sample Calculations43Table 14 Difference in subcooling measurements—Indoor minus outdoor43Table 15 Liquid pressure and temperature chart44Evaporator Subcooling Calculation Worksheet45Elevation Correction45Verification Against MC Condenser456.0 Checklist for Completed Installation466.1 Moving and Placing Equipment466.2 Electrical466.3 Piping466.4 Other467.0 Initial Startup Checks and Commissioning477.1 Startup Checklist477.2 Initial Startup478.0 Control Operation488.1 Premium Efficiency Control Board and Interface48Figure 23 Premium efficiency fan control board48Figure 24 Premium Efficiency Control Interface - Human Machine Interface (HMI)498.1.1 Initial Screen Upon Power-On49Figure 25 Initial controller display498.1.2 Main Menu Description49Figure 26 Main Menu operation and structure498.1.3 Analog Signals Menu Description50Figure 27 Analog Signals Menu50Table 16 Analog signal definitions508.2 Premium Efficiency Condenser Alarm Codes518.2.1 Active Alarms Menu Description51Figure 28 Active alarms menu518.2.2 History Alarms Menu Description52Figure 29 History alarms menu52Table 17 System alarm information53Table 18 EC Fan alarm information549.0 System Maintenance559.1 General Procedures559.2 Condenser Cleaning559.2.1 When to Clean the Condenser Coil559.2.2 What to Use to Clean the Condenser Coil569.2.3 How to Clean the Condenser Coil569.3 Fan Replacement57Verify the Fan Address60Figure 30 EBM small and medium fan, Liebert MC series MCS/MCM61Figure 31 EBM large fan—Liebert MC series MCL61Figure 32 Ziehl-Abegg small, medium and large fan, Liebert MC series MCS, MCM and MCL629.4 Premium Efficiency Control Board Replacement629.4.1 Replacement Preparation62Figure 33 Jumper locations on Control Board639.4.2 Installation649.4.3 Maintenance Inspection Checklist65Monthly65Semiannually65Condenser65Surge Protection Device (If Installed)65Condenser65Condenser Electrical Panel65Fan Motors65Notes6510.0 Troubleshooting66Table 19 Troubleshooting66Größe: 7,15 MBSeiten: 68Language: EnglishHandbuch öffnen