Manuel 34701.pdf


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Table of Contents
Introduction ...............................................................................................................2
Glossary of Terms .................................................................................................2
Set Up Instructions .....................................................................................................3
Selecting a Measurement Unit .................................................................................4
Preparing the Vacuum Pump ...................................................................................5
Installing the Tank and Pulling a Vacuum ................................................................6
Adding Refrigerant to the Tank ................................................................................8
Operating Guidelines ................................................................................................10
Using the Control Panel ........................................................................................10
Keypad Functions .................................................................................................11
Using the Digital Display ......................................................................................11
Operating Overview ..................................................................................................14
Operating Instructions ...............................................................................................16
Operating Tips .....................................................................................................16
Recovering Refrigerant .........................................................................................17
Evacuating the A/C System ...................................................................................21
Replenishing A/C System Oil ................................................................................23
Recharging the A/C System...................................................................................24
Correcting an Incomplete Charge ...........................................................................26
Maintenance Instructions ..........................................................................................27
Checking the Scale Accuracy ................................................................................27
Calibrating the Scale .............................................................................................28
Calibrating the UL Circuit .....................................................................................29
Replacing the Filter-Drier ......................................................................................31
Changing the Vacuum Pump Oil ............................................................................33
Checking for Leaks ...............................................................................................34
Troubleshooting Tips ................................................................................................35
Using Manual Diagnostics ....................................................................................35
Recovery Operation ..............................................................................................36
Recharging Operation ...........................................................................................37
Error/Message Codes ............................................................................................38
Replacement Parts List .............................................................................................40
Flow Diagram ..........................................................................................................41
Wiring Diagram .......................................................................................................42
Limited Warranty .....................................................................................................43
U.S. Patents: 4,523,897; 4,688,388 Re 33,212; 4,768,347; 4,805,416; 4,809,520; 4,878,356; 4,938,031;
5,005,369; 5,005,375; 5,038,578; 5,042,271; 5,209,653; 5,248,125 Australian Patent: 613,058 Canadian
Patents: 1,311,621; 1,311,622; 2,012,620; 2,026,348 European Patent: 0 315 296 Bl German Patent: 031296
Mexican Patent: 16208 OTHER U.S. AND FOREIGN PATENTS PENDING.
Mfd. by Robinair, SPX Corporation, Montpelier, OH 43543

Series 17700A/17701A/34700/34701/34704 Enviro-Charge Units

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