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General| Brand | Engineered air |
|---|---|
| Model | EngA CU Series |
| Category | Heat Pump |
| Language | English |
Recommended installation of traps on suction or discharge gas risers for pressure drop mitigation.
Guidelines for selecting suction line size based on temperature penalty and oil return.
Guidelines for selecting liquid line size, velocity, and preventing heat gain.
Installation of service valves for equipment servicing and minimum requirements.
Purpose and function of sight glasses for visual refrigerant charge and moisture indication.
Function of filter-driers in removing debris, moisture, and acid from refrigerant.
Function and installation of liquid line solenoid valves for controlling refrigerant flow.
Guidelines for using Nitrogenized ACR grade, Type L or Type K copper tubing for refrigerant lines.
Procedure for pressure checking and leak testing all joints using approved industry methods.
Step-by-step guide for performing system evacuation using a high vacuum pump and micron gauge.
Checks for electrical connections, voltage, amperage, and contactor condition during maintenance.
Procedures for maintaining pulley alignment and belt tension for optimal fan and bearing life.
