Instruction Manual

1
R-134a Smart Cart
®
Automatic A/C Charging Station
Introduction ................................................................................................................... 2
Set Up Instructions ....................................................................................................... 2
Preparing the Vacuum Pump .................................................................................. 2
Diagram of Vacuum Pump Components ................................................................. 2
Installing a Refrigerant Tank .................................................................................. 3
Diagram of Disposable Tank Installation............................................................... 3
Diagram of Refillable Tank Installation ................................................................. 4
Removing an Empty Tank........................................................................................ 4
Using the Heater Blanket ........................................................................................ 4
Operating Procedures ................................................................................................... 5
Summary Chart of Operating Procedures............................................................... 5
To Attach Hoses to the System ................................................................................ 5
To Diagnose System Problems ................................................................................. 5
To Add Refrigerant to Partially Charged Systems ................................................. 5
To Recover Refrigerant............................................................................................. 6
To Program Vacuum/Charging Cycle...................................................................... 6
To Use Automatic Vacuum/Charging Cycle............................................................ 6
To Check Final System Operation........................................................................... 7
To Disconnect the System ........................................................................................ 7
Maintenance Instructions............................................................................................. 7
Storing the Station.................................................................................................... 7
Maintaining the Vacuum Pump............................................................................... 7
Checking the Scale Accuracy ................................................................................... 7
Calibrating the Scale ................................................................................................ 8
Using Manual Diagnostics ....................................................................................... 8
Additional Operating Guidelines ................................................................................. 9
How to Use the Controls........................................................................................... 9
Diagram of Control Components ............................................................................. 9
Using the Keypad...................................................................................................... 10
Diagram of Keypad ................................................................................................... 10
Using the Display Panel ........................................................................................... 10
Quick Reference Chart .............................................................................................. 11
Diagram of Display Panel ........................................................................................ 11
Replacement Parts List................................................................................................. 12
Troubleshooting Tips..................................................................................................... 13
Temperature/Pressure Relation Chart ........................................................................ 14
Conversion Chart .......................................................................................................... 14
Table of
Contents
U.S. Patent Nos.: 4,523,897; 5,005,375; 4,688,388 RE: 33,212
Other U.S. and Foreign Patents Pending
A/C Air conditioning
System The A/C system being serviced
Tank The refrigerant supply tank
Station The automatic A/C charging station
Glossary of
Terms