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General| Model | RTAA-125 |
|---|---|
| Voltage | 460V |
| Cooling Capacity | 125 tons |
| Power Supply | 460V/3/60 |
| Sound Level | 78 dBA |
Details on unit nameplates, serial numbers, electrical requirements, and operating charges.
Explanation of the alphanumeric code representing unit features and specifications.
Guidelines for foundation, location, and required clearances for unit installation.
Instructions for safely lifting and mounting units to minimize vibration.
Details on connecting and installing evaporator water piping, including components.
Guidance on system configuration, piping, and selecting appropriate line sizes.
Procedures for leak testing, evacuation, and adding refrigerant and oil to the system.
Requirements for sizing and installing power supply and interconnecting wiring.
Instructions for low voltage wiring, external setpoints, and communication links.
Explanation of the RTAA unit's refrigeration system and its basic components.
Details on compressor mechanics, oil flow, and system operation.
Overview of the Clear Language Display, keypad functions, and report/setting groups.
Description of key operational features like water temperature control and setpoints.
Pre-start checks for voltage, phasing, water flow rates, and pressure drop.
Steps to verify system superheat and subcooling after initial operation.
Procedures for temporary and extended unit shutdowns and subsequent restarts.
Routine maintenance schedules including weekly, monthly, and annual tasks.
Detailed maintenance for coils, evaporators, and oil systems.
Procedures for refrigerant side repairs, charging, and recovery.
Guidelines for pump package installation, checkout, and system start-up.
Reference to electrical schematics and field wiring diagrams for unit connections.
