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Ensuring proper room environment with vapor barriers and controlled air infiltration for optimal performance.
Visual inspection of the unit upon delivery for shipping damage and checking for loose items.
Details on locating and mounting units, including vertical, horizontal, air-cooled, and indoor condenser types.
Completing start-up sheets, managing warranty information, and important documentation.
Proper procedures for storing equipment to prevent damage and maintain integrity.
Guidelines for sizing refrigerant lines, including discharge, liquid, and suction lines.
Details on piping for water/glycol units, including connection sizes and fluid cooler requirements.
Proper installation of condensate drain lines and piping for optional steam generator humidifiers.
Critical steps for ensuring system integrity: leak testing with nitrogen and evacuating to low micron levels.
Ensuring adequate electrical service, proper grounding, and voltage tolerance for unit operation.
Connecting control wiring to remote heat exchangers, and details on remote shutdown and alarm contacts.
Installation of optional remote sensors and requirements for condensate pumps.
Proper methods for rigging and assembling legs for outdoor heat exchangers.
Guidelines for locating heat exchangers and referencing electrical service information.
Details on Air Cooled Condensers (DARC) and Fluid Coolers (DAFC), including controls.
Charging methods for package, split, and fan speed control air cooled systems.
Procedures for charging flooded systems with liquid receivers and head pressure control valves.
Charging water/glycol cooled units and referencing factory charge specifications.
Description of key components like Expansion Valve, High/Low Pressure Cutout Switches.
Determining glycol concentration and system volume using tables for piping and unit volumes.
Table showing freezing points of ethylene and propylene glycol solutions at various concentrations.
Details on standard, programmable thermostats, and Mini DAP II/III microprocessor control panels.
Controls for secondary heat exchangers, referencing separate installation and operation manuals.
Explanation of wiring diagram types and their use for service personnel.
Regular checks and replacement of air filters and belts to ensure efficient operation.
Maintenance for humidifier canisters, fuse replacement guidelines, and heating element cleaning.
Advising replacement of the filter drier when the refrigeration system is opened.
Identifying common causes for low suction pressure and high superheat conditions.
Troubleshooting common causes for high suction pressure and low superheat.
Diagnosing issues leading to low suction pressure and low superheat.
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