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General| Brand | Frick |
|---|---|
| Model | RWF II 270 |
| Category | Compressor |
| Language | English |
Requirements for compressor foundations, anchoring, and grouting for proper installation and vibration damping.
Instructions for installing the BP coupling, including alignment, torque specifications, and handling of disc packs.
Details on system operation, oil temperature control, and installation requirements for thermosyphon oil coolers.
Further details on economizer operation, including BPR valve and system recommendations for proper load balancing.
Information and warnings regarding UPS systems and voltage protection for the Quantum HD panel.
Detailed requirements for control power ground circuits and ensuring proper steering of EMI from sensitive circuits.
Warnings and precautions for rigging and handling the compressor package due to its weight and potential top-heaviness.
Details on motor starter packages, including lugs, wiring, and component requirements for proper installation.
Grounding requirements for VFD applications and isolation of control circuits to prevent noise interference.
Warnings and recommendations regarding UPS systems and their impact on Quantum HD panels' operation.
Precautions for installing electronic controls to avoid RFI, EMI, and ground loop issues.
General instructions for electrical installation of electronic equipment, emphasizing care for controls.
Overview of the RWF II unit's subsystems and the logical step-by-step instructions for proper startup.
Control of hydraulic sections via solenoid valves and manual operation, including Vi control.
Screen selections and parameters for EZ-Cool LIOC PI control, covering valve types and solenoid control.
Methods for adjusting the hand expansion valve for oil cooling based on discharge temperature or theoretical values.
Functions of the lubrication system and the two types of lubrication systems: no pump and demand pump.
Criteria for identifying and establishing skip frequencies for VFD packages to prevent compressor damage.
Requirements for initial start-up supervision by an authorized representative and completion of prestart checks.
Step-by-step instructions for starting up the compressor, including system condition checks and display settings.
Importance of avoiding liquid refrigerant slugging, keeping oil filters clean, and preventing oil contamination.
Further troubleshooting for demand pump issues like pump not pumping, high power consumption, or misalignment.
Details on adjusting thrust bearing assembly and tightening setscrews to achieve correct end clearance.
Continuation of the maintenance schedule table, detailing tasks and frequencies based on operating hours.
Considerations for taking and evaluating vibration readings, including base line reference and environmental factors.
List of abnormal system conditions that can cause compressor unit issues, such as insufficient load or high discharge pressure.
Torque values for cold-start valve bonnet cap screws and bonnet gasket installation.
Common symptoms and probable causes/corrections for compressor issues like noise, vibration, and slide valve problems.
Inspection, lubrication, and tightening steps for SAE fittings to ensure proper sealing and service pressure resistance.
Diagram illustrating piping and instrumentation for the compressor system, including port connections and controls.
Safety precautions to take before performing any maintenance or service on the unit.
Procedure for seasonal or prolonged shutdowns, including closing valves and attaching tags.
Step-by-step procedure for changing the compressor oil, including filter replacement and evacuation.
Importance of high-quality refrigeration oil and periodic oil analysis to maintain system integrity.
An organized approach to defining, identifying, and correcting operational problems by analyzing symptoms.
Procedure for testing pressure transducers (PE-4, PE-1, PE-2, PE-3) by measuring voltage and checking for proper operation.
Troubleshooting for demand pump issues like low oil pressure, noise, vibration, and leaks.
Troubleshooting common issues with the slide valve and slide stop, checking solenoid coils and spools.
Requirements for operating with correct oil pressure, referring to control setup display for setpoints.
