Robinair 34800-2K R-12/134a Recovery Unit - NY Tech Supply

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Operating InstructionsOPERATING TIPSFollow the recommended service procedure for the containment of R-12 and R-134a.The recovery compressor is not a vacuum pump. The compressor pulls the A/Csystem to a partial vacuum only. You must use the unit’s vacuum cycle to removemoisture from the A/C system. We recommend a minimum 15-minute vacuum withmore time as required by the system manufacturer.This unit is designed to be used with the manifold gauge set built into the controlpanel.It includes a 6 cfm (142 l/m) vacuum pump for fast, thorough evacuation. Be sure tochange the vacuum pump oil after 10 hours of vacuum pump use.R-12 and R-134a systems require special oils. Refer to the A/C systemmanufacturer’s service manuals for oil specifications.Pressing the START and STOP keys together for several seconds will exit any modeand reset the controlNOTE: The following operating instructions are written to be used with theBASIC PROMPTS mode of operation. It is recommended that the BASICPROMPTS mode is used until the operator becomes very familiar with theoperation of the unit. See the OPERATING GUIDELINES section of this manualfor instructions on how to select between BASIC PROMPTS and ADVANCEDPROMPTS.12© 2001 Robinair, SPX Corporation
RECOVERMENUSTARTVACUUMCLEARVAC-CHARGEENTERSTOPCHARGERECOVERING REFRIGERANTWARNINGOperating InstructionsAlways wear safety goggles when working with refrigerant. Read andfollow all warnings at the beginning of this manual before operatingthe unit.1. Connect the power cord to the back of the unit and plug into the proper voltageoutlet.2. Turn on the MAIN POWER and if necessary empty the oil drain bottle located onthe right hand side of the unit.3. Ensure the unit is in the proper refrigerant mode. Use the F1 (Mode) key toselect the correct refrigerant mode.4. Press the RECOVER button.5. If 150 pounds (68 kg) or more of refrigerant has been recovered since the lastfilter-drier change, the display reads FILTER WEIGHT XXX lb (XX kg).Press START to continue STOP to exit.NOTE: See the filter change procedure on page 20 of this manual for details onreplacing the filter.6. Connect the high and low side hoses to the A/C system and on R-134a systemsopen the coupler valves.7. Put Low Side Valve in the Recover/Vacuum position. Put High Side Valve inthe Recover/Vacuum position. Press START to continue.9. If the system pressure is below 25 psi, the display reads: LOW SYSTEMPRESSURE until the pressure increases or the START button is pressed. Youmay press STOP to exit at this point.9. If the unit has refrigerant in the low-side plumbing, it begins the clearingprocess and displays CLEARING IN PROGRESS. If you wish to skip theclearing operation or stop the clearing prematurely, press the START key.Manifold GaugesManifold GaugesCLOSEDCLOSEDCLOSEDCLOSEDVACUUMRECOVERVACUUMRECOVEROIL INJECTCHARGEVACUUMRECOVERVACUUMRECOVEROIL INJECTCHARGE1 234 5 67 8 90F1ValvesOpenRecoverINST 0934Diagram of Control Panel During Recovery34800-2K/34801-2K Cool-Tech Recovery/Recycling/Recharging Unit13
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Page 3 and 4: Table of ContentsIntroduction .....
Page 5 and 6: Set-Up Instructions102 414Diagram o
Page 7 and 8: Set-Up Instructions10. Connect the
Page 9 and 10: Operating GuidelinesTANK REFILL (R-
Page 11 and 12: Operating GuidelinesNOTE: The displ
Page 13: Operating GuidelinesKEYPAD FUNCTION
Page 17 and 18: RECOVERMENUSTARTVACUUMVAC-CHARGEENT
Page 19 and 20: RECOVERSTARTVACUUMCLEARVAC-CHARGEST
Page 21 and 22: Operating Instructions7. Pressing t
Page 23 and 24: Maintenance InstructionsCHANGING TH
Page 25 and 26: Maintenance InstructionsELECTRICAL
Page 27 and 28: Replacement Parts34801-2K Replaceme
Page 29 and 30: Wiring DiagramR12 OIL DRAINSW4R134
Page 32: CONVERSIONTABLEOZ.LBS.0.5 0.031.0 0

Robinair 34800-2K R-12/134a Recovery Unit - NY Tech Supply

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