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General| Airflow Configuration | Downflow or Upflow |
|---|---|
| Input Frequency | 50/60 Hz |
| Type | Precision Cooling Unit |
| Cooling Type | Air-Cooled, Water-Cooled |
| Compressor Type | Scroll |
| Refrigerant | R410A |
| Control System | Liebert iCOM |
| Mounting | Floor |
| Operating Temperature | 18-27°C |
| Humidity Range | 20-80% RH |
| Communication Ports | RS-485 |
| Safety Certifications | UL, cUL, CE |
| Monitoring | Built-in monitoring with remote communication options |
Defines DANGER, WARNING, CAUTION, NOTICE terms used in the manual for hazard communication.
Notices regarding manual retention, user reading, and intended use of the unit control.
Manual preparation for end-user operations with panels closed and by qualified personnel.
Checks before installation, verification of parts, and unit identification for assistance.
Risks of automatic restart and procedure for disconnecting unit from power supply.
Explanation of model digits for unit configuration such as Airflow, Power Supply, Cooling System, etc.
Details on various configuration options like Humidification, Heating, Filters, and Controls.
Covers digits related to package options, monitoring, sensors, and special requirements.
Describes the Liebert PDX EconoPhase system designed for precision air conditioning.
Details on Liebert MCT Condenser, EconoPhase Pump Module, and operating modes.
Explains CANbus communication interface, cable types, and routing guidelines.
Explains the three operating modes: Compressor, Pump, and Mixed Mode.
Details control parameters like air temperature and pump pressure differential.
Describes loop temperatures and mechanical considerations for pump installation.
Defines limits for room air conditions, storage, power supply, and outdoor temperature.
Requirements for approved condensers and relative positioning limits.
Safety information, equipment inspection, and recommended handling equipment.
Instructions for handling packaged units and unpacking procedures.
Steps for moving units with piano jacks and general positioning guidelines.
Positioning requirements for Downflow Up and Downflow Down unit configurations.
General layout, materials, and requirements for refrigeration pipelines.
Specifies pipe diameters and procedures for installing refrigeration pipelines.
Procedure for pre-charging R410A refrigerant into the system.
Detailed steps for charging R410A refrigerant and verifying system conditions.
General warnings regarding water tubing, especially for downflow units.
Procedures for connecting condensate drains and optional humidifiers.
Ensures electrical components are undamaged and terminal screws are tight.
Explains Wye vs. Delta connection and acceptable power supplies.
Guidance on connecting power supply cables, including size and protection.
Procedure to check the protection degree against finger access after installation.
Details protective features of EC fans, such as overheating and short circuit protection.
Detailed steps for initial start-up and preheating requirements.
Procedures for starting, stopping, and automatic restart after power interruption.
Instructions for checking pressure drops in the refrigeration piping.
Explains how the cooling and heating functions operate within the system.
Details on the operation of optional humidification and dehumidification features.
Safety precautions to be followed during all maintenance operations.
Information on using only original spare parts and how to inquire about them.
Schedule for monthly, quarterly, biannual, and annual maintenance tasks.
Procedure for checking and replacing air filters to maintain efficiency.
Step-by-step guide for replacing EC fans, including safety warnings.
Procedures for repairing the refrigeration circuit, including oil charge and dismantling.
Checks and maintenance tasks for fans and air filters.
Maintenance tasks for the control system and humidifier components.
Maintenance for power circuits, refrigeration system, and expansion valves.
Compliance requirements for stationary air conditioners using fluorinated greenhouse gases.
Explains the operating principle and installation procedures for electrode humidifiers.
Covers start-up, operation, and maintenance tasks for the humidifier cylinder.
Presents electrical data for various unit configurations and components.
Details calibrations for electrical components and adjustments for valves.
Provides data on refrigerant pipe charge, condenser selection, and oil charge.
Illustrates overall unit dimensions and required service areas.
Diagrams and dimensions for floor openings required for downflow units.
Presents electrical data and top-view diagrams for refrigerant and water connections.
Shows the refrigerant circuit for EconoPhase version with dual circuits and tandem compressors.
Details on leg kits, base frames, fresh air modules, and extension hoods.
Describes accessory hoods, plenums with silencing, and floor tile support kits.
Details on fan maintenance kits and connecting flanges for unit installation.
General information, specifications, and installation of the infrared humidifier.
Covers start-up, operation, cleaning, and maintenance procedures.
Procedures for changing lamps and performing periodic checks on the humidifier.
Explains the operating principle and installation of the ultrasonic humidifier.
Covers start-up, operation, maintenance, and periodic checks for the humidifier.
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