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General| Brand | Liebert |
|---|---|
| Model | PW029 |
| Category | Control Unit |
| Language | English |
Details electrical hazards and necessary safety precautions.
Cautions against high pressure in the refrigeration system.
Warns about injury from rotating fan blades and improper handling.
Highlights risks from improper wiring and loose electrical connections.
Addresses fire hazards related to humidifier canister maintenance.
Cautions about refrigerant line pressure and system safety.
Provides guidance on using forklifts or pallet jacks for unit transport.
Step-by-step instructions for safely unpacking the unit.
Detailed steps for forklift removal from the skid.
Detailed steps for using rigging equipment to remove the unit.
Detailed steps for moving the unit using piano jacks.
Details fluid piping connections and requirements.
Specifies requirements for gravity-fed drain lines.
Covers all aspects of refrigerant piping, evacuation, and charging.
Provides guidelines for air-cooled system refrigerant piping.
Lists recommended refrigerant line sizes and equivalent lengths.
Details approximate refrigerant charge for air-cooled PDX units.
Procedures for evacuating, leak-testing, and charging systems.
Procedures for systems with Liebert Lee-Temp receivers.
Procedures for systems with EEV and unheated receivers.
Discusses optimizing refrigerant charge for superheat.
Guidelines for water/glycol and chilled water loop piping.
Procedures for leak checking unit and field piping.
Covers acceptable power supplies for PDX and PCW units.
Verifies all electrical installations meet requirements.
Confirms all piping installations are correct and secure.
Details filter types, sizes, and replacement procedures for different models.
Covers maintenance procedures for the compressor.
Step-by-step guide for compressor replacement.
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