Document Outline

• Model Number Nomenclature
• 1.0 Product Features
  • 1.1 Standard Product Features
    • 1.1.1 Controls
    • 1.1.2 Evaporator System Components
      • DX Evaporator Section
      • Chilled-Water Model
    • 1.1.3 Condensing Unit Components
      • Air-Cooled Condensing Unit (Indoor Centrifugal)
      • Air-Cooled Condensing Unit (Outdoor Prop Fan)
      • Water/Glycol Condensing Unit (Indoor)
  • 1.2 Optional Equipment
    • 1.2.1 Canister Humidifier
    • 1.2.2 Electric Reheat
    • 1.2.3 SCR Electric Reheat
    • 1.2.4 Hot Gas Bypass (Condensing Units)
    • 1.2.5 Free-Cooling Coil (GLYCOOL)
    • 1.2.6 Smoke Detector
    • 1.2.7 Firestat
    • 1.2.8 Filter Clog
  • 1.3 Ancillary (Ship Loose Accessories)
    • 1.3.1 Single Point Power Kit
    • 1.3.2 Refrigerant Line Sweat Adapter Kits
    • 1.3.3 Return Air Filter Box with Duct Collar Kit
    • 1.3.4 Condensate Pump Kit
    • 1.3.5 Remote Monitoring and Control
    • 1.3.6 Remote Sensors
• 2.0 Site Preparation and Installation
  • 2.1 Installation Considerations
    • Table 1 Application limits, evaporator and chilled-water units*
    • Table 2 Application limits, indoor and outdoor air-cooled condensing units
    • Table 3 Application limits, indoor water/glycol-cooled condensing units
    • 2.1.1 Room Preparation
    • 2.1.2 Location Considerations
      • Figure 1 System configurations-air cooled systems
      • Figure 2 System Configurations-water/glycol systems
      • Figure 3 System Configurations-chilled water systems
  • 2.2 System Weights
    • Table 4 Unit weights
  • 2.3 Equipment Inspection upon receipt
  • 2.4 Installing the Evaporator or Chilled-Water Units
    • Figure 4 Threaded rod and hardware kit installation
    • 2.4.1 Close Coupled Installations
      • Figure 5 Close coupled installation
    • 2.4.2 Evaporator Air Distribution
      • Filter Box
      • Connections for Ducted Systems
        • Table 5 Evaporator external static pressure (60) at 3750 CFM (6371 CMH)
    • 2.4.3 Piping Connections and Coolant Requirements
      • Drain Line
        • Figure 6 Drain installation
      • Condensate Pump
        • Figure 7 Condensate pump installation
      • Humidifier Water Supply Line
      • Chilled-Water Piping-Chilled-water Systems Only
        • Figure 8 General arrangement diagram - chilled-water systems
      • Refrigerant (R-22) Piping
        • Table 6 Recommended refrigerant line sizes
        • Figure 9 Refrigerant piping diagram
      • Total refrigerant = Units and Lines
        • Table 7 8-ton unit refrigerant charge
        • Table 8 Line charges (field piping)*
      • Quick Connect Fittings
        • Table 9 Refrigerant quick connect sizes and torque
        • Figure 10 Evaporator or chilled-water unit dimensional data
    • 2.4.4 Electrical Connections, Evaporator or Chilled-Water Unit
      • Power Connections
      • Control Connections (10-wire on air-cooled, 8-wire on water/glycol cooled)
        • Figure 11 Evaporator unit electrical connections
  • 2.5 Indoor Air-Cooled Centrifugal Fan Condensing Unit Installation
    • 2.5.1 Location Considerations
    • 2.5.2 Ducting
      • General Considerations
      • Considerations for Specific Applications
    • 2.5.3 Piping Connections
      • Figure 12 Piping connections - indoor air-cooled centrifugal fan condensing unit
    • 2.5.4 Electrical Connections - Condensing Unit
      • Power Connections
      • Control Connections
        • Figure 13 Indoor air-cooled centrifugal condensing unit dimensions and pipe connections
        • Figure 14 Indoor air-cooled centrifugal condenser electrical connections
  • 2.6 Outdoor Air-Cooled Condensing Unit Installation
    • 2.6.1 Location Considerations
    • 2.6.2 Piping Connections
    • 2.6.3 Electrical Connections
      • Power Connections
      • Control Connections
        • Figure 15 Electrical field connections - outdoor condensing unit
        • Figure 16 Footprint dimensions - outdoor condensing unit
        • Figure 17 Piping and electrical connections - outdoor condensing unit
  • 2.7 Indoor Water- and Glycol-Cooled Condensing Unit Installation
    • 2.7.1 Location Considerations
    • 2.7.2 Piping Connections
      • Water/Glycol Piping Considerations
      • Condensing Unit Fluid Requirements
      • Regulating Valve
    • 2.7.3 Electrical Connections
      • Control Connections
        • Figure 18 Indoor water/glycol condensing unit dimensional data
        • Figure 19 Indoor water/glycol condensing unit electrical field connections
        • Figure 20 System piping with indoor water/glycol-cooled condensing unit
  • 2.8 Optional Equipment Piping
    • 2.8.1 Free-Cooling Coil (GLYCOOL)
      • Figure 21 Optional free cooling coil (3-way valve) on water/glycol units
      • Figure 22 Optional free cooling coil (3-way valve) on air-cooled units
  • 2.9 Checklist for Completed Installation
• 3.0 Microprocessor Control
  • 3.1 Feature Overview
    • Figure 23 Wall box
  • 3.2 Main Menu <Menu>
  • 3.3 Setpoints
    • Table 10 Default setpoints and allowable ranges
  • 3.4 Status
  • 3.5 Active Alarms
  • 3.6 Alarm History
  • 3.7 Time
  • 3.8 Date
  • 3.9 Setback
    • Table 11 Night and weekend setback plan
  • 3.10 Setup Operation
    • 3.10.1 Restart Time Delay
    • 3.10.2 C/F Degrees
    • 3.10.3 Humidity Control Method
    • 3.10.4 Lead Compressor
    • 3.10.5 Show DIP Switch
    • 3.10.6 Valve Time (For Systems With a Modulating Chilled-Water Valve)
    • 3.10.7 CW Flush (For Systems With a Modulating Chilled-Water Valve)
      • Table 12 Setup functions, default values and allowable ranges
  • 3.11 Change Passwords
  • 3.12 Calibrate Sensors
  • 3.13 Alarm Enable
  • 3.14 Alarm Time Delay
    • Table 13 Alarm default time delays
  • 3.15 Common Alarm Enable
  • 3.16 Custom Alarms
  • 3.17 Custom Text
    • LCD Display Contrast
    • Nonvolatile Memory
    • Equipment Options Switches
      • Table 14 Equipment switch settings (unit control board)
      • Table 15 Switch settings (wallbox board)
  • 3.18 Run Diagnostics
    • Test Outputs
    • Test Inputs
    • Test Micro
      • Figure 24 Control menu
      • Figure 25 Control board (inside evaporator)
      • Figure 26 Wall box board
• 4.0 System Performance Microprocessor Controls
  • 4.1 Control Type Response Proportional Control
  • 4.2 Cooling
    • 4.2.1 Multi-Step Cooling, Compressorized Direct Expansion (DX) Systems
    • 4.2.2 Chilled-Water Cooling (8 Ton)
    • 4.2.3 GLYCOOL Cooling (8 Ton)
  • 4.3 Reheat
    • 4.3.1 Electric Reheat - Staged
    • 4.3.2 SCR Electric Reheat
  • 4.4 Dehumidification / Humidification Percent Required
    • 4.4.1 Staged Dehumidification, Compressorized Direct Expansion (DX) Systems
    • 4.4.2 Humidification Operation
      • System Activation
    • 4.4.3 Dehumidification Lockout
  • 4.5 Load Control Features
  • 4.6 Communications
• 5.0 Alarms
  • 5.1 Alarms: Definitions and Troubleshooting
    • 5.1.1 Custom Alarms
    • 5.1.2 High Head Pressure
      • Air-Cooled Systems
      • Water/Glycol Systems
    • 5.1.3 Humidity
    • 5.1.4 Temperature
    • 5.1.5 Humidifier Problem Alarm
    • 5.1.6 High-Water Alarm
    • 5.1.7 Loss of Power
    • 5.1.8 Short Cycle
  • 5.2 Optional/Custom Alarms
    • 5.2.1 Change Filter
    • 5.2.2 Firestat
    • 5.2.3 Smoke Detector
• 6.0 System Operation, Testing, and Maintenance
  • 6.1 System Testing
    • 6.1.1 Environmental Control Functions
    • 6.1.2 Cooling
    • 6.1.3 Heating
    • 6.1.4 Humidification
    • 6.1.5 Dehumidification
    • 6.1.6 Remote Shutdown
  • 6.2 Maintenance and Component Operation
    • 6.2.1 Electric Panel
    • 6.2.2 Filters
    • 6.2.3 Blower System
      • Air Distribution
      • Blower Removal (Evaporator)
    • 6.2.4 Electric Reheat
    • 6.2.5 Refrigeration System
      • Suction Pressure
      • Discharge Pressure
        • Table 16 Typical discharge pressures
      • Thermostatic Expansion Valve
      • Air-Cooled Condensing Units
      • Coaxial Condensers (Water/Glycol-Cooled Condensing Units)
      • Regulating Valves (Water/Glycol Condensing Units)
      • Glycol Solution Maintenance
      • Hot Gas Bypass (Optional)
      • Replacement Procedures
    • 6.2.6 Steam Generating Humidifier - Operation Procedures
      • Replacing the Humidifier Canister
    • 6.2.7 Circuit Board Adjustments
      • Table 17 Humidifier control board DIP switch settings
• 7.0 Maintenance Inspection Checklist
  • FILTERS
  • BLOWER SECTION
  • REHEAT
  • HUMIDIFIER
  • REFRIGERATION CYCLE/SECTION
  • ELECTRICAL PANEL
  • COMMENTS _________________________________________________________________________
  • _________________________________________________________________________
  • COMPRESSOR
  • CONTROLS
  • AIR-COOLED CONDENSER/ DRYCOOLER
  • WATER/GLYCOL CONDENSER
  • GLYCOL PUMP
• 8.0 Troubleshooting
  • Table 18 Troubleshooting