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General| Phase | 3 |
|---|---|
| Cooling Capacity | 90 tons |
| Voltage | 460V |
| Sound Power Level | Approx. 85 dB |
| Length | Approx. 120 inches |
Details on unit nameplates, including model, serial number, electrical requirements, and charges.
Overview of RTAA units, features like Adaptive Control, and dual-compressor circuits.
Tasks the contractor must perform during RTAA unit installation.
How system configuration and piping affect refrigerant and oil charges.
Sizing and selecting power supply wiring according to NEC and project engineer.
Describes the mechanical operating principles of Series R air-cooled chillers.
Explains the semi-hermetic, direct-drive helical rotary compressor rotors.
Overview of the 16 keys on the Clear Language Display panel for operator interface.
Keys for adjusting setpoints and performing tests, some requiring passwords.
Importance of proper motor rotation and confirmation of electrical phase sequence.
Normal suction superheat is approximately 4 F at full operating load.
Check operating conditions and refrigerant pressures after unit stabilization.
Replacing the oil filter only if analysis reveals oil contamination.
Details on control panel features like NEMA 3R enclosure, fused disconnects, and motor starters.
Common pump problems and their possible causes.
