Emerson Liebert Mc Microchannel Outdoor Condenser 28 220Kw Users Manual 19536

2015-03-30

• Important Safety Guidelines
  • Save These Instructions
• Liebert MC Nomenclature
• 1.0 Introduction
  • Figure 1 Two-fan Liebert MC condenser
  • 1.1 Control/Fan Types
    • 1.1.1 Premium Efficiency Control/EC Fan
    • 1.1.2 Liebert Lee-Temp™ Refrigerant Control
  • 1.2 Sound Level
    • 1.2.1 Liebert Quiet-Line Match Up
  • 1.3 Surge Protection Device (Optional)
• 2.0 Site Preparation
  • 2.1 Site Considerations
  • 2.2 Dimensions and Weights
    • Table 1 Condenser net weights, shipping weights, dimensions and volume, approximate
    • Table 2 Condenser net weight addition—taller legs
    • Figure 2 Typical footprint dimensions, all units
    • Figure 3 Condenser planning dimensional data—MCS028
    • Figure 4 Condenser planning dimensions—MCM040, MCM080, MCM160 with/without Liebert Lee-Temp™
    • Figure 5 Condenser planning dimensions–MCM120
    • Figure 6 Condenser planning dimensions—MCL055, MCL110, MCL165 and MCL220
    • Table 3 Condenser leg height and additional weight, MCL055, MCL110, MCL165 and MCK220
    • Figure 7 Cabinet and anchor dimensions—MCL055, MCL110, MCL165 and MCL220 with Liebert Lee-Temp™ receiver
• 3.0 Inspection and Installation
  • 3.1 Equipment Inspection
    • 3.1.1 Packing Material
  • Safety Information
    • Figure 8 Equipment recommended for handling a Liebert condenser
  • 3.2 Handling Unit on the Skid
    • Figure 9 Forklift position with one-fan or two-fan condensers
  • 3.3 Unit Storage
  • 3.4 Unpacking the Condenser—All Unit Sizes
    • Figure 10 Removing protective material
  • 3.5 Preparing a Condenser for Moving and Installation—Units with One or Two Fans
    • 3.5.1 Attaching Legs, Removing the Skid and Attaching Slings-Units with One or Two Fans
      • Figure 11 Attaching legs to one-fan or two fan condensers
      • Figure 12 Securing slings to condensers for lifting off skid
      • Figure 13 Remove skid, set condenser on floor
      • Figure 14 Lifting condensers with one, two, three or four fans
  • 3.6 Mounting the Condenser
• 4.0 Electrical Connections
  • 4.1 Line Voltage Wiring
    • Table 4 Electrical data, three-phase, 60Hz condenser, Premium Version (EC control)
    • Table 5 Electrical data, Liebert Lee-Temp™ receiver, 60Hz
    • 4.1.1 Wye vs. Delta Connection Power Supply
      • Figure 15 Wye vs. Delta power supply connection diagram
      • Acceptable Power Supplies—208V to 480V Nominal Units
      • Unacceptable Power Supplies—208V to 480V Nominal Units
  • 4.2 Low-Voltage Control Wiring—Premium Efficiency Control Condenser
    • 4.2.1 Electrical Field Connection Descriptions
      • Figure 16 Typical connections, Premium Efficiency Control
      • Key Electrical Details—Typical Connections, Premium Efficiency Control
        • Figure 17 Field configurations and setting adjustments, Premium Efficiency Control
• 5.0 Piping
  • 5.1 Piping Guidelines
    • Figure 18 Piping schematic
  • 5.2 Field Piping Guidelines
    • Figure 19 Liebert MC Condenser piping—Single-circuit units
    • Table 6 Liebert MC Condenser piping sizes, single-circuit units
    • Figure 20 Condenser piping for single-circuit condensers (with Liebert Lee-Temp™)
    • Table 7 Condenser piping connection sizes—single-circuit condensers with Liebert Lee-Temp
    • Figure 21 Piping: dimensions—dual circuit two-fan and four-fan units
    • Table 8 Piping: dimensions—dual-circuit, two-fan and four-fan units
    • Figure 22 Piping: dimensional data with Liebert Lee-Temp™—dual circuit condensers
    • Table 9 Piping dimensions—dual circuit condensers with Liebert Lee-Temp
  • 5.3 Refrigerant Planning Values
    • Table 10 Refrigerant required, R-407C, approximate
    • Table 11 Refrigerant required, R-410A, approximate
    • Table 12 Interconnecting piping refrigerant charge
  • 5.4 Equipment Application Guidelines
  • 5.5 Refrigerant Oil Addition Procedures
  • 5.6 System Dehydration/Leak Test
  • 5.7 Liebert MC Condenser Charging, Units with Liebert Lee-Temp™ Systems
  • 5.8 Liebert MC Condenser Charging with Liebert DSE™ Units
  • 5.9 Liebert MC Condenser Charging, Units without Liebert Lee-Temp™ Systems
    • Table 13 Target subcooling for ambient outdoor temperature
    • Sample Calculations
      • Table 14 Difference in subcooling measurements—Indoor minus outdoor
      • Table 15 Liquid pressure and temperature chart
    • Evaporator Subcooling Calculation Worksheet
    • Elevation Correction
    • Verification Against MC Condenser
• 6.0 Checklist for Completed Installation
  • 6.1 Moving and Placing Equipment
  • 6.2 Electrical
  • 6.3 Piping
  • 6.4 Other
• 7.0 Initial Startup Checks and Commissioning
  • 7.1 Startup Checklist
  • 7.2 Initial Startup
• 8.0 Control Operation
  • 8.1 Premium Efficiency Control Board and Interface
    • Figure 23 Premium efficiency fan control board
    • Figure 24 Premium Efficiency Control Interface - Human Machine Interface (HMI)
    • 8.1.1 Initial Screen Upon Power-On
      • Figure 25 Initial controller display
    • 8.1.2 Main Menu Description
      • Figure 26 Main Menu operation and structure
    • 8.1.3 Analog Signals Menu Description
      • Figure 27 Analog Signals Menu
      • Table 16 Analog signal definitions
  • 8.2 Premium Efficiency Condenser Alarm Codes
    • 8.2.1 Active Alarms Menu Description
      • Figure 28 Active alarms menu
    • 8.2.2 History Alarms Menu Description
      • Figure 29 History alarms menu
      • Table 17 System alarm information
      • Table 18 EC Fan alarm information
• 9.0 System Maintenance
  • 9.1 General Procedures
  • 9.2 Condenser Cleaning
    • 9.2.1 When to Clean the Condenser Coil
    • 9.2.2 What to Use to Clean the Condenser Coil
    • 9.2.3 How to Clean the Condenser Coil
  • 9.3 Fan Replacement
    • Verify the Fan Address
      • Figure 30 EBM small and medium fan, Liebert MC series MCS/MCM
      • Figure 31 EBM large fan—Liebert MC series MCL
      • Figure 32 Ziehl-Abegg small, medium and large fan, Liebert MC series MCS, MCM and MCL
  • 9.4 Premium Efficiency Control Board Replacement
    • 9.4.1 Replacement Preparation
      • Figure 33 Jumper locations on Control Board
    • 9.4.2 Installation
    • 9.4.3 Maintenance Inspection Checklist
      • Monthly
      • Semiannually
      • Condenser
      • Surge Protection Device (If Installed)
      • Condenser
      • Condenser Electrical Panel
      • Fan Motors
      • Notes
• 10.0 Troubleshooting
  • Table 19 Troubleshooting