Download Operating Manual - NY Tech Supply

Overview
EVACUATION
1. Both manifold valves and both tank valves should still be open.
2. Press SHIFT/RESET until the message "PROGRAM VACUUM MINUTES"
appears on the display.
3. Press VACUUM - The display counts down the vacuum time. Recycling
begins automatically while the system is evacuated.
4. The unit displays CPL when evacuation is complete.
5. Add oil to the A/C system using the oil injector.
6. Press SHIFT/RESET to move to the recharging function.
RECHARGING
Follow the manufacturer’s recommendation for charging.
1. Be sure the appropriate manifold valves are open.
2. Be sure both tank valves are open.
3. Enter the refrigerant charge by weight in hundredths of a pound/kilogram.
4. Press ENTER.
5. Press CHG.
6. The display counts down to 0, then shows CPL when complete.
7. Close both manifold valves and start the vehicle. Set the vehicle’s A/C system
for maximum cooling. Check the gauges and the temperature in the vehicle.
8. Turn off the engine.
9. Disconnect the high side hose (close the 34700/34701/34704 coupler valves
first) and start the vehicle. Open both manifold valves to pull refrigerant from
the hoses.
10. At the lowest recommended operating pressure, close the low side valve and
turn off the vehicle. On the 34700/34701/34704, close the low side valve and
disconnect the low side hose. On the 17700A/17701A, disconnect the low
side hose and remove the adapters.
11. Close both manifold valves and turn off the MAIN POWER switch.
Series 17700A/17701A/34700/34701/34704 Enviro-Charge Units
15