Frascold NRL6-160-538 User Manual

FTEC_24_IE_00
SEMI-HERMETIC SCREW
COMPRESSORS
COMPRESSORI A VITE
SEMI ERMETICI
Installations and start-up instructions
Istruzioni per l’installazione e l’avviamento

Frascold NRL6-160-538 Specifications

General

Model	NRL6-160-538
Type	Semi-Hermetic
Number of cylinders	6
Voltage	220-240V
Frequency	50 Hz
Refrigerant	R404A, R507

Summary

INFORMATION

Identification of Safety Instructions

Explains the meaning of different safety warning symbols used in the manual.

Name Plate Details

UNPACKING AND HANDLING

Handling and Lifting Safety

Covers warnings for handling pressurized nitrogen and safe lifting procedures.

SAFETY

Temperature Hazard Warnings

APPLICATION RANGES AND LUBRICANTS

Hazard Identification and Personnel Qualification

Discusses residual hazards and the need for qualified personnel.

INSTALLATION

Nitrogen Charge Handling Warning

Warns about handling pressurized nitrogen charge and eye protection.

Capacity Control and System Warnings

ELECTRICAL CONNECTIONS

Electrical Wiring Safety Warnings

Warns about mechanical seizure and motor damage from incorrect wiring.

Wiring Diagrams

PROTECTION AND TESTS

Insulation Testing Procedures

Electronic Protection Module

Electrical Safety for Module and PTCs

Warns about risks associated with the protection module and PTC terminals.

Pressure Switches and Safety Device Warnings

Covers installation of pressure switches and warnings about inhibiting safety devices.

COMMISSIONING

Pressure and Leak Testing

Outlines pressure testing and leak testing requirements.

Oil Charging Procedure

System Evacuation and Refrigerant Charge

Final Checks and Rotation Verification

Lists final checks, rotation verification, and related safety warnings.

Refrigerant Charge Adjustments and Safety

Covers adjusting refrigerant charge and safety precautions.

OPERATION AND MAINTENANCE

Operating Data and Oil Flow

Maintenance Schedule and Warnings