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Frascold R-TSL1 100 360 Y User Manual

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R-TSH R-TSL
COMPRESSORI A DOPPIA VITE
TWIN SCREW COMPRESSORS
Istruzioni per la installazione
e l’avviamento
Installation and start-up
instruction
2002 04-00

Table of Contents

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Frascold R-TSL1 100 360 Y Specifications

General IconGeneral
ModelR-TSL1 100 360 Y
TypeSemi-Hermetic
Oil pumpYes
RefrigerantR404A
Voltage380-415V, 3Ph, 50Hz

Summary

Safety Precautions

Introduction to Compressor Series

Compressor Protection and Features

Motor Protection System

Describes the integral protection system, including PTC thermistors.

Lubrication System

Explains the oil injection lubrication system and its function.

Lubricant Specifications

Information on lubricant type, viscosity, and quantity for R-TS compressors.

Compressor Operation and Limits

Maximum Stop/Start Cycles

Warning about the impact of frequent stop/start cycles on compressor lifespan.

Preliminary Checks and Installation

Application Limits

Lists operational limits for current, voltage, pressure, and cycle frequency.

Checks and Testings Upon Receipt

Procedures to verify compressor integrity and component completeness.

Compressor Installation Procedures

Compressor Fixing to Frame

Details on fixing the compressor to a horizontal base with vibration absorbers.

Refrigerating Connections

Instructions for making refrigerant connections, emphasizing cleanliness.

Electrical and Component Connections

Electrical Connections

Guidelines for electrical connections, safety, and wiring diagrams.

External Oil Circuit Details

External Oil Circuit Overview

Explains the external oil circuit for lubricant separation and return.

Oil Separator Functionality

Details the essential role and requirements of the oil separator.

Compressor Starting Methods

Part Winding Start (PWS)

Explains the PWS starting method, its advantages, and wiring.

Vacuum and Refrigerant Charging

Lubricant Charging Procedure

Instructions for charging lubricant into the oil separator.

Refrigerating Circuit Evacuation

Steps for evacuating the refrigeration circuit to remove air and moisture.

Leak Detection and Refrigerant Charge

Vacuum Leak Testing

Procedure to perform a vacuum leak test after evacuation.

Refrigerant Charging Process

Instructions for charging refrigerant into the system, including safety notes.

Refrigerant Leak Detection Methods

Guidance on using electronic leak detectors for finding refrigerant leaks.

Compressor Start-up and Checks

Feed Voltage Measurement

How to measure supply voltage and check for voltage drop.

Phase Voltage Balance Control

Procedure for checking voltage balance between phases for PWS and DOL.

Operational Checks and Start-up

Final Checks and Compressor Starting

Final checks after starting, including pressure difference and oil flow.

Various Accessories for Refrigeration Systems

High Pressure Switch Importance

Highlights the function of the high pressure switch for compressor protection.

Refrigerant Line Design and Maintenance

Periodic Checks and Servicing Schedule

Lists required maintenance interventions based on operating hours.

Lubricant Replacement Procedure

Procedure for replacing compressor lubricant, emphasizing hygiene.

Wiring Diagrams

Electrical Wiring Diagrams

Electrical wiring diagrams for compressor starting and control circuits.

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