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General| Model | RTAD 165 |
|---|---|
| Cooling Capacity | 165 tons |
| Compressor Type | Screw |
| Refrigerant | R-134a |
| Voltage | 460V |
| Phase | 3 |
Guidelines to prevent injury, damage during maintenance.
Procedures for flushing and connecting water piping to the unit.
Methods to protect the unit from freezing in sub-freezing temperatures.
Wiring for chilled water pump interlock and control.
Connecting external signals for chilled water setpoint control.
Connecting external signals for current limit setpoint control.
Checklist to verify installation procedures before unit start-up.
Steps for flushing and connecting unit water piping.
Steps for connecting unit power supply and components.
Importance of correct phase sequence for compressor rotation.
Sequence of operations for a typical chiller start-up.
Steps for starting the unit after seasonal shutdown.
Procedures for restarting the unit after a long period of inactivity.
Procedure for short-term unit shutdown and subsequent restart.
Procedure for taking the unit out of service for an extended period.
Routine checks to perform while the unit is running.
Maintenance tasks to perform on a monthly basis.
Comprehensive maintenance tasks to perform annually.
Recommended practices for refrigerant recovery and emission reduction.
Importance of proper refrigerant and oil levels for operation.
Procedure for charging refrigerant into the system.
Monitoring subcooling and superheat during refrigerant adjustments.
Procedure to isolate refrigerant for low-side repairs.
Procedure to isolate refrigerant for high-side repairs.
Steps for recharging the unit with refrigerant.
How to identify and replace the refrigerant filter.
Critical steps for properly charging oil into the system.
Procedure for initial oil charging of a new or serviced compressor.
Procedure for charging oil in the field, especially after component service.
Checking the evaporator heat tape for proper function.
General safety advice for maintenance and service activities.
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