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Фрагмент инструкции
1. Connect the power cord to the back of the unit, and plug it into the correct voltage outlet. 2. Turn on the MAIN POWER and, if necessary, empty the oil drain bottle located on the right hand side of the unit. 3. Press the RECOVER button. 4. If 150 pounds (68 kg) or more of refrigerant has been recovered since the last filter-drier change, the display reads FILTER WEIGHT XXX lb (XX kg). Press START. NOTE: Refer to the filter change procedure on page 19 of this manual for details about replacing the filter. 5. Connect the high and low side hoses to the A/C system, and open the coupler valves. 6. Put the Low Side Valve in the Recover/Vacuum position. Put the High Side Valve in the Recover/Vacuum position. Press START to continue. 7. If the system pressure is below 25 psi, the display reads: LOW SYSTEM PRESSURE until the pressure increases or the START button is pressed. You may press STOP to exit at this point. 8. If the unit has refrigerant in the low-side plumbing, it begins the clearing process and displays CLEARING IN PROGRESS. If you wish to skip the clearing operation or stop the clearing prematurely, press the START key. Diagram of Control Panel During Recovery Manifold Gauges Valves Open Operating Instructions INST0928 Recover 13 34700-2K/17700-2K Cool-Tech Recovery/Recycling/Recharging Unit Operating Instructions INST0699 9. When the system has recovered to a vacuum level of approximately 13 in. Hg., the compressor automatically shuts off. 10. The unit then goes into automatic oil drain, and the display reads: OIL DRAINING. Oil draining can require up to 90 seconds to complete. 11. After the oil drain is complete, the display alternates between: RECOVERY COMPLETE CHECK OIL BOTTLE RECOVERED XX.XX lbs. (X.XX kg) RECOVERED XX.XX lbs. (X.XX kg) NOTE: The displayed recovered weight can vary depending on ambient conditions, and should not be used as an indicator of scale accuracy. 12. Check the oil drain bottle, and note the amount of oil that was removed from the A/C system. This is the amount of oil that must be charged into the A/C system after evacuation is complete. 13. To ensure complete recovery of refrigerant, wait 5 minutes, and watch the manifold gauges for a rise in pressure above 0 in. Hg. A pressure rise may occur if there was freezing in the A/C system during recovery. If a rise occurs, press the START button to resume the recovery process. Repeat as needed until the system pressure holds for two minutes, then press STOP to exit . Recovery is now complete. You are now ready to make any repairs to the A/C system, if necessary, or advance to the Evacuation Process. Diagram of the Oil Injection System 1. Oil Injector Bottle 2. Oil Drain Bottle 1 3 2 1 60 80 20 40 12 220 7 5 4 6 200 180 160 120 140 100 11 9 8 10 320 340 280 300 260 240 OUNCES 360 2 Operating Instructions Operating Instructions IMPORTANT! Evacuate the system for at least 15 minutes to ensure adequate moisture and contaminant removal. IMPORTANT! If the vacuum pump has run for 10 or more hours without an oil change, the message VACUUM OIL TIME XX:XX appears on the display. Change the pump oil following the procedures in the MAINTENANCE INSTRUCTIONS. EVACUATING THE A/C SYSTEM WARNING Wear safety goggles when working with refrigerant. Use only authorized refillable refrigerant tanks. Read and follow all warnings at the beginning of this manual before operating the unit. In addition to the number keys, the keypad contains special keys that accomplish specific operating functions. NOTE: • If any oil was drained from the system during recovery, DO NOT use the VACCHARGE feature. The oil must be replenished into the A/C system, which is not possible when the VAC-CHARGE function is used. • If the vacuum pump has been run more than 10 hours since the last oil change, the display reads: VACUUM OIL TIME XX:XX. Press the STOP key to change the vacuum pump oil, or press the START key to continue. Instructions for changing the vacuum pump oil are located in the maintenance section of this manual. NOTE: Vacuum pump oil should be changed after every 10 hours of use to maintain maximum performance and endurance levels. • If the system being evacuated contains a pressure over 25 psi at any point during the evacuation, the display reads PRESSURE EXISTS. This message indicates that the A/C system contains refrigerant; press any key to continue. Press the RECOVERY key to recover any refrigerant in the system (See RECOVERING REFRIGERANT, page 12). After recovery is complete, return to evacuating the A/C system. VAC-CHARGE 1. Press the VAC-CHARGE key to select the VAC-CHARGE feature. 2. Ensure the service hoses are connected and both panel valves are in the VACUUM/ RECOVER position. Press START. Vacuum Vac-Charge The Control Panel During Evacuation INST0929 RECOVERRECOVER VACUUMVACUUM CLOSEDCLOSED RECOVERRECOVER VACUUMVACUUM CLOSEDCLOSED VAC-CHARGEVAC-CHARGE ENTERENTER R-134AR-134AR-134AR-134A in Hgin Hg CHARGECHARGE VACVAC psipsi barbar 28 005kPakPa ps...
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