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General| Model | RTAF 125 SE SN LN |
|---|---|
| Type | Air-Cooled Chiller |
| Cooling Capacity | 125 tons |
| Refrigerant | R-134a |
| Compressor Type | Screw |
| Energy Efficiency Ratio (EER) | 10.5 |
Safety information indicating potential hazards, injury risks, or equipment damage.
Key recommendations for maintenance and service visits to prevent damage or injury.
Verifying the unit upon delivery for correctness and visible damage, reporting to the carrier and sales office.
Specific recommended lifting methods and safety precautions for handling the unit.
Details on connecting water piping to the evaporator, including flushing, air vents, pressure gauges, and shutoff valves.
Warnings about potential waterbox damage from improper handling of connections, valves, and plugs.
Recommendations for installing water pressure relief valves in evaporator inlet piping to protect against hydrostatic pressure buildup.
Requirements for flow switch installation to detect low water flow and prevent evaporator damage.
Methods for protecting the evaporator from freezing, including water pump, heaters, glycol, and drain options.
Safety precautions for handling electrical components and wiring, including capacitor discharge and conduit routing.
Requirements for sizing, selecting, and installing power supply wiring and fused-disconnect switches according to codes.
Details on the two refrigerant circuits, compressors, and capacity control methods used in the unit.
Description of the rotary screw compressor, motor, oil system, condenser coils, fans, and evaporator design.
Information tailored for operators and technicians on chiller operation data like setpoints, limits, and reports.
A comprehensive checklist to verify all recommended procedures are accomplished before unit start-up.
Criteria for supply voltage, measurements, and actions to take if voltage is out of specification.
Importance of establishing proper motor rotation and confirming electrical phase sequence before starting the unit.
Procedures for bringing the unit back online after an extended period of inactivity.
Step-by-step guide for the daily startup sequence of the Sintesis RTAF chiller, including operator actions.
Procedures to follow when taking the system out of service for an extended period, including leak testing and draining.
Procedures and recommendations for conserving refrigerant and minimizing emissions during service.
Step-by-step guide for charging refrigerant and adjusting the system for proper operation.
Procedure for field oil charging, especially when significant oil has been removed or for new/reworked compressors.
