Introduction; Goals And Objectives; R134A Refrigerant Service Information - Vinotemp WINE-MATE VINO3500HZD Service Manual

VINOTEMP assumes no responsibility for any repairs made on
products by anyone other than authorized service technician
This manual has been prepared to provide the information on installing,
servicing, troubleshooting and repairing procedures for the WINE-MATE
VINO3500HZD, 4500HZD, 6500HZD and 8500HZD cooling units.
I. Goals and Objectives
The goal of this manual is to provide detailed information that will enable the
service personnel to properly install and repair the cooling unit, and troubleshoot
and diagnose malfunctions.
The objectives of this manual are that the service personnel will
• Fully understand the proper safety precautions
• Successfully install the cooling unit
• Successfully troubleshoot and diagnose malfunctions
• Successfully perform necessary repairs
• Successfully return the cooling unit to proper operational status
II. R134a Refrigerant Service Information
This cooling unit uses R134a refrigerant. This refrigerant requires synthetic ester
oil in the compressor. This cooling system does not tolerate contamination from
any of the following:
• Other refrigerants
• Moisture
• Petroleum-based lubricants
• Silicone lubricants
• Cleaning components
• Rust inhibitors
• Leak detection dyes
• Any other types of additive
As a result, the following precautions shall be observed:
• Use equipment dedicated to R134a sealed system only.
• Use R134a refrigerant for back-flushing.

1. Introduction

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