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LISTED 80S2 Recycling Equipment Design Certified by Underwriters Laboratories Inc.® for Compliance with SAE-J2210 (1991) for HFC-134a Series: 34134-2K Refrigerant Recovery, Recycling and Recharging Station Refrigerants: R-134a SAFETY DEFINITIONS: Follow all WARNING, CAUTION, IMPORTANT, and NOTE messages in this manual.
Table of Contents Introduction ........................................................................................................... 2 Glossary of Terms ........................................................................................... 2 English Operating Tips ................................................................................................. 3 Using The Control Panel .................................................................................
Introduction This manual contains important safety procedures concerning the operation, use and maintenance of this product. Failure to follow the instructions contained in this manual may result in serious injury. If you are unable to understand any of the contents of this manual, please bring it to the attention of your supervisor. Do not operate this equipment unless you have read and understood the contents of this manual.
Introduction High Side Gauge Low Side Gauge High Side Valve (Red) Low Side Valve (Blue) Low Side Port Center Port High Side Port INST0488 OPERATING TIPS Follow the SAE-J2210 recommended service procedures for the containment of R-134a. R-134a systems require special oils in place of the mineral oil used with R-12 systems. Refer to the A/C system manufacturer’s service manuals for oil specifications. Change the filter-drier when the display shows “CHANGE FILTER.
Introduction USING THE CONTROL PANEL The control panel has the following specific operating functions: 1. 2. 3. 4. 5. 6. 7. 8. 9. RECOVER/VACUUM Switch — Starts the recovery or vacuum process. TARE Button — Zeros the display weight prior to recovery or charging. LB/KG Button — Toggles between the weight measurement units. CHARGE Button — Controls the charging process. AIR PURGE Button — Controls the air purge process. TEMPERATURE Display — Indicates tank temperature.
Introduction COMPONENT LOCATION AND IDENTIFICATION Front View Rear View Power Receptacle Heater Outlet Manifold valves Access Port Heater Circuit Breaker Oil Drain Valve Oil Drain Bottle Scale Assembly INST 0755 34134-2K Recovery, Recycling and Recharging Unit INST 0756 5
Set-Up Instructions INSTALLING THE TANK The new tank comes with a dry nitrogen charge of 10 to 15 psi (4.9 to 7.4 bar) to keep it clean and dry during shipment. To install the new tank, you will need to: 1. Purge its nitrogen charge by opening either valve on the tank, vent the pressure to the atmosphere, then close the valve. 2. Place the unit tank on the scale platform on the back of the unit (see illustration on page 5 for location). Then attach the tank strap to the tank handle. 3.
Set-Up Instructions SETTING UP THE UNIT To set up the unit to an R-134a vehicle: 1. Attach the 60" blue hose to the low side port of the manifold. 2. Attach the 60" yellow hose to the center port of the manifold. 3. Attach the 60" red hose to the high side port of the manifold. 4. Place the assembled manifold onto the manifold support bracket on the back of the unit. 5. Attach the yellow hose from the manifold to the access port on the back of the unit. 6.
Set-Up Instructions ADDING REFRIGERANT TO THE UNIT TANK With the tank in place on the unit, add refrigerant from a source tank to the unit tank using the following steps: 1. Connect the tank adapter to the LIQUID valve on the source tank. Attach the blue low side service coupler to the tank adapter. NOTE: Use ONLY the tank adapter included with this unit. Use of any other could result in damage to the compressor, voiding the manufacturer's warranty. 2. Open the service coupler valve.
Operating Instructions RECOVERING REFRIGERANT Use the following steps to take refrigerant out of a vehicle: 1. Connect the unit’s 60" (1.5m) red high side hose with the service coupler to the high side fitting of the A/C system, then open the service coupler valve. 2. Connect the unit’s 60" (1.5m) blue low side hose with the service coupler to the low side fitting of the A/C system, then open the service coupler valve. 3. Check the manifold gauges — both should register above zero.
Operating Instructions AIR PURGE ! ! The gauge on the control panel shows when to purge air from the tank. To purge non-condensables: 1. Check the TEMPERATURE display (see page 4) to find the temperature of the refrigerant in the unit tank. 2. Use this temperature to find the correct pressure for the refrigerant on the appropriate pressure/temperature chart on the control panel. 3. Compare the pressure from the chart to the reading on the tank pressure gauge. 4.
Maintenance CHECKING AND CALIBRATING THE SCALE To check and calibrate the unit’s scale: 1. Remove the tank from the platform. 2. Press the TARE button (see page 4) until the display reads “00.00.” IMPORTANT! 3. Press the TARE button once more. The display reads “TOTAL” and “0+ .10.” You must have a known weight of 15KG +.005 (30LB + .01) 4. Place a known weight on the scale. The display will show the known weight “+ .04 LB/.02 KG.” 5. If the display does not, recalibrate the scale. 6.
Maintenance REPLACING THE FILTER-DRIER The filter-drier on this unit is designed to trap acid, and particulates and is formulated to remove moisture from the refrigerant. Typically, you can recover up to 300 pounds of refrigerant between filter changes. CAUTION! For best results, use a Robinair filter-drier (part no. 34430). All performance tests and claims are based on using this specially-blended filter-drier. Use of any other may affect performance results.
Maintenance CHECKING AND RESETTING FILTER CAPACITY The filter-drier removes contaminants from the refrigerant. To check and reset the filter capacity: 1. Turn the RECOVER/VACUUM switch on the control panel to OFF. 2. Press LB/KG and the TARE buttons (see page 4 for button locations) simultaneously to access “DIAGNOSTICS.” 3. Press the TARE button until the display reads “FILTER CAPACITY.” 4. Press the LB/KG button. The display will show the filter capacity remaining in the selected weight measurement. 5.
Troubleshooting Tips RECOVERY AND VACUUM OPERATION Compressor does not start or stop prematurely Problem: No power. Solution: Check for power at plug or outlet. Problem: **OVERLOAD** is displayed. Solution: Move refrigerant from unit tank to approved refrigerant storage tank. See RECHARGING A/C SYSTEM. Problem: HIGH PRESSURE is displayed. Solution: Be sure tank valves are open and hoses are correctly connected to the unit tank. Problem: **SCALE** is displayed.
Vacuum Flow Diagram RECOVER VACUUM CHARGE TO HIGH SIDE OIL RETURN PURGE TO LOW SIDE INST 0748 1. 2. 3. 4. 5. Refrigerant Tank Compressor Filter Condenser Coil Accumulator 6. 7. 8. 9. 10. Oil Separator Pressure Switch 2-Way Manifold Check Valve Oil Drain Ball Valve 34134-2K Recovery, Recycling and Recharging Unit 11. 12. 13. 14.
Recover Flow Diagram RECOVER VACUUM CHARGE TO HIGH SIDE OIL RETURN PURGE TO LOW SIDE INST 0749 1. 2. 3. 4. 5. 16 Refrigerant Tank Compressor Filter Condenser Coil Accumulator 6. 7. 8. 9. 10. Oil Separator Pressure Switch 2-Way Manifold Check Valve Oil Drain Ball Valve 11. 12. 13. 14.
Charge Flow Diagram RECOVER VACUUM CHARGE TO HIGH SIDE OIL RETURN PURGE TO LOW SIDE INST 0750 1. 2. 3. 4. 5. Refrigerant Tank Compressor Filter Condenser Coil Accumulator 6. 7. 8. 9. 10. Oil Separator Pressure Switch 2-Way Manifold Check Valve Oil Drain Ball Valve 34134-2K Recovery, Recycling and Recharging Unit 11. 12. 13. 14.
Replacement Parts List The following is a list of replacement parts and accessories you may need to service or maintain your unit. We suggest you keep several filter-driers on hand so you will always be able to change them and complete any recycling job that is in progress. 18 Component 110-Volt Filter-Drier 34430 Low Side Service Coupler 18190A High Side Service Coupler 18191A 60 in. (1.52m) Red Hose 63060 60 in. (1.52m) Blue Hose 62060 60 in. (1.
Limited Warranty This product is warranted to be free from defects in workmanship, materials, and components for a period of one year from date of purchase. All parts and labor required to repair defective products covered under the warranty will be at no charge. The following restrictions apply: 1. The limited warranty applies to the original purchaser only. 2. The warranty applies to the product in normal usage situations only, as described in the Operating Manual.
Notes 20 © 2000 Robinair, SPX Corporation
