Manuais de utilizador para Emerson 3000/ITR

índice analítico

• Important Safety Instructions

  7
• SAVE THESE INSTRUCTIONS

  7
• 1.0 Introduction

  9
  • 1.1 System Descriptions

    9
    • 1.1.1 Compressorized Systems

      9
    • 1.1.2 GLYCOOL™ (Chilled Glycol Cooling) Systems

      9
    • 1.1.3 Chilled Water Systems

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• 2.0 Startup

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  • 2.1 Startup Procedure

    10
• 3.0 Operation with iCOM Control

  12
  • 3.1 Features

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    • Large and Small Displays

      12
      • Figure 1 Liebert iCOM components

        12
• 4.0 Liebert iCOM Display Components and Functions

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  • Figure 2 Liebert iCOM display components

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  • Table 1 Keyboard icons and functions

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  • Figure 3 Liebert iCOM default screen symbols

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  • 4.1 Navigating Through the Liebert iCOM Display

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    • Figure 4 Liebert iCOM default home screen—Graphical view

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    • Figure 5 Liebert iCOM default home screen—Simple view

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    • 4.1.1 Control Interface—Three Main Menus

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    • 4.1.2 Accessing Menus and Settings

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      • Viewing Data

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    • 4.1.3 Entering the Password

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      • Figure 6 Entering the password

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    • 4.1.4 Accessing Submenus

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      • Accessing Submenus on Small Displays

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      • Accessing Submenus on Large Displays

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        • Figure 7 Menu tree—Large and small displays, stand-alone or networked

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  • 4.2 Changing Operational Settings

    20
    • Figure 8 Liebert iCOM User Menu icons

      20
  • 4.3 Changing Liebert iCOM’s Display Settings

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    • Figure 9 Display setup screen

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  • 4.4 Graphical Data Record

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    • Figure 10 Temperature graph

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  • 4.5 Liebert iCOM Service Menu Icons and Legend

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    • Figure 11 Liebert iCOM Service Menu icons

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  • 4.6 Wiring for Unit-to-Unit Communications—U2U

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    • 4.6.1 Liebert iCOM U2U Ethernet Network

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      • Table 2 Sample Liebert iCOM network configurations

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    • 4.6.2 Wiring a Liebert iCOM U2U Network

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      • Small Displays

        23
      • Large Displays

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      • Wall-Mount Large Display

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      • Combining Large and Small Displays on a U2U Network

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        • Figure 12 U2U network setup diagram

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      • Notes on Wiring for a U2U Network—Refer to Figures 13 and 15

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        • Figure 13 Liebert iCOM wiring—Unit as shipped

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        • Figure 14 Wiring a small display for U2U network operation

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        • Figure 15 Wiring a large display for U2U network operation

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        • Figure 16 Liebert iCOM input-output control board

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  • 4.7 Entering Network Setup Information

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    • Figure 17 Control board U2U network setup screen

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    • Figure 18 Liebert iCOM display U2U network setup screen

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  • 4.8 Viewing Multiple Units with a Networked Large Display

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    • Figure 19 Menu tree—Large display, networked

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• 5.0 Operation

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  • 5.1 Single Unit Functions

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    • 5.1.1 Unit/Fan Control

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      • Start - Stop

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        • Figure 20 Start-stop priority switches

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      • Autorestart

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      • Loss of Power Alarm

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      • Fan Alarm / Fan Protection Settings

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    • 5.1.2 General Compressor Requirements

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      • Low-Pressure Time Delay

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      • Pump Down—Air Cooled with Condenser Only Units

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      • High Pressure Alarm

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      • Digital Scroll High Temperature

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    • 5.1.3 Compressor Timing

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  • 5.2 Control Types

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    • 5.2.1 Proportional Control

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    • 5.2.2 PI Control

      36
    • 5.2.3 Intelligent Control (Chilled Water Only)

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• 6.0 Alarm Descriptions

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  • 6.1 Standard Alarms

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    • 6.1.1 Change Filter

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    • 6.1.2 Compressor Overload

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    • 6.1.3 High Head Pressure

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    • 6.1.4 High Humidity

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    • 6.1.5 High Humidity and Low Humidity (Simultaneously)

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    • 6.1.6 High Temperature

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    • 6.1.7 High Temperature and Low Temperature (Simultaneously)

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    • 6.1.8 Humidifier Problem

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      • Infrared Humidifiers

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      • Steam Generating (Canister) Humidifiers

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    • 6.1.9 Loss of Air Flow

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    • 6.1.10 Loss of Power

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    • 6.1.11 Low Humidity

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    • 6.1.12 Low Suction Pressure

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    • 6.1.13 Low Temperature

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    • 6.1.14 Main Fan Overload

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    • 6.1.15 Short Cycle

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  • 6.2 Optional Alarms

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    • 6.2.1 Loss of Water Flow

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    • 6.2.2 Smoke Detected

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    • 6.2.3 Standby GC Pump On

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    • 6.2.4 Standby Unit On

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    • 6.2.5 Water Under Floor

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  • 6.3 Set Alarms—User Menus

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    • Table 3 Set alarms—User Menus

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• 7.0 Component Operation and Maintenance

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  • 7.1 System Testing

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    • 7.1.1 Environmental Control Functions

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      • Cooling

        42
      • Heating

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      • Humidification

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      • Dehumidification

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      • Electric Panel

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      • Control Transformer and Fuses

        43
      • Fan Safety Switch

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      • High-Temp Sensor

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      • Smoke Detector

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      • Water Detection Sensor

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        • Figure 21 Liebert leak detection units

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        • Figure 22 Recommended liquid sensor locations

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        • Table 4 Zone leak detection kit installation scenarios

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      • Remote Shutdown

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  • 7.2 Filters

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  • 7.3 Blower Package

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    • 7.3.1 Fan Impellers and Bearings

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    • 7.3.2 Belt

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    • 7.3.3 Air Distribution

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      • Table 5 Recommended free area ft2 (m2) for grilles or perforated panels at output velocities of 550 and 600 fpm (2.8 and 3.1 m/s)

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  • 7.4 Refrigeration System

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    • 7.4.1 Suction Pressure

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      • Table 6 Suction pressures - R407c

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    • 7.4.2 Discharge Pressure

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      • Table 7 Discharge pressures

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    • 7.4.3 Superheat

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    • 7.4.4 Thermostatic Expansion Valve

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      • Operation

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      • Adjustment

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    • 7.4.5 Hot Gas Bypass Valve—Not Available on Digital Scroll Units

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      • Operation—Self-Contained Units

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      • Adjustment

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    • 7.4.6 Air Cooled Condenser

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      • Checking Refrigerant Charge (Lee–Temp / Flood Back Head Pressure Control)

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        • Figure 23 Outdoor fan/condenser configuration

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    • 7.4.7 Water/Glycol Cooled Condensers

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      • Coaxial Condenser

        49
    • 7.4.8 Motorized Ball Valve—Digital Scroll Compressor

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      • Control

        50
      • Control Method

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      • Adjustment

        50
      • Startup

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      • Location

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      • Manual Control

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    • 7.4.9 Regulating Valve—Scroll Compressor

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      • Standard Valve - 150 psig (1034 kPa) system for 3 & 5 ton units (Johnson Controls Valve) High Pressure Valve - 350 psig (2413 kPa) system for 5 ton units (Johnson Controls Valve)

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        • Figure 24 Johnson Controls valve adjustment

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      • High Pressure Valve - 350 PSIG System (2413 kPa) for 3 Ton Units (Metrex Valve)

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        • Figure 25 Metrex valve adjustment

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    • 7.4.10 Drycooler Settings

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      • Table 8 Water/glycol system conditions requiring optional settings for aquastats

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      • Table 9 Aquastat settings—two-fan through four-fan drycoolers

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    • 7.4.11 Compressor Oil

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      • Table 10 Compressor oil types

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  • 7.5 Compressor Replacement

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    • Before Replacing or Returning a Compressor

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    • 7.5.1 Compressor Functional Check

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    • 7.5.2 Standard Scroll Compressor Replacement

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      • Mechanical Failure

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      • Electrical Failure

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    • 7.5.3 Digital Scroll Compressor Replacement Procedure

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      • Digital Compressor Unloading Solenoid(s)—Models 040, 042, 047, 049, 061 and 072

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  • 7.6 Facility Fluid and Piping Maintenance for Water and Glycol Systems

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    • Glycol Solution Maintenance

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  • 7.7 Humidifier

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    • 7.7.1 Infrared Humidifier

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      • Removing the Pan

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      • Cleaning the Pan

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      • Changing Humidifier Lamps

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        • Figure 26 Infrared humidifier lamps

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      • Autoflush Infrared Humidifier Cleaning System

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      • Autoflush Operation

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      • Autoflush Controls

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    • 7.7.2 Steam Generating Humidifier

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      • Figure 27 Steam generating humidifier

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      • Operation

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      • Controls

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      • Replacing the Canister

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        • Table 11 Humidifier canister part numbers

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      • Circuit Board Adjustments

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      • Drain Tempering Feature

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• 8.0 Troubleshooting

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  • Table 12 Blower troubleshooting

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  • Table 13 Chilled water troubleshooting

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  • Table 14 Compressor and refrigeration system troubleshooting

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  • Table 15 Dehumidification troubleshooting

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  • Table 16 Glycol pump troubleshooting

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  • Table 17 Infrared humidifier troubleshooting

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  • Table 18 Steam generating humidifier troubleshooting

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  • Table 19 Reheat troubleshooting

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• 9.0 Monthly Maintenance Inspection Checklist

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  • Filters

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  • Steam Generating Humidifier

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  • Blower Section

    68
  • Infrared Humidifier

    68
  • Compressor

    68
  • Refrigeration Cycle/Section

    68
  • Air Cooled Condenser (if applicable)

    68
  • Reheat

    68
  • Air Distribution Section

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  • Refrigerant Charge

    68
• 10.0 Semiannual Maintenance Inspection Checklist

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  • Filters

    69
  • Blower Section

    69
  • Compressor

    69
  • Air Cooled Condenser (if applicable)

    69
  • Water/Glycol Condenser (if applicable)

    69
  • Glycol Pump

    69
  • Steam Generating Humidifier

    69
  • Infrared Humidifier

    69
  • Refrigeration Cycle/Section

    69
  • Air Distribution Section

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  • Refrigerant Charge

    69
  • Electrical Panel

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  • Reheat

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