Panasonic CS-VA70KE Service Manual

Also see for CS-VA120KE: Operating instructions

Contents

Panasonic CS-VA70KE Service Manual Manual pdf 45 page image

Procedure:1. Confirm that both the 2-way and 3-way valves are set tothe opened position.∙ Remove the valve stem caps and confirm that the valvestems are in the opened position.∙ Be sure to use a hexagonal wrench to operate the valvestems.2. Operate the unit for 10 to 15 minutes.3. Stop operation and wait for 3 minutes, then connect thecharge set to the service port of the 3-way valve.∙ Connect the charge hose with the push pin to the Gasservice port.4. Air purging of the charge hose.∙ Open the low-pressure valve on the charge set slightlyto purge air from the charge hose.5. Set the 2-way valve to the closed position.6. Operate the air conditioner at the cooling cycle andstop it when the gauge indicates 0 MPa (0 kg/cm G).If the unit cannot be operated at the cooling condition(weather is rather cool), press the TEST RUN button sothat the unit can be operated.7. Immediately set the 3-way valve to the closed position.∙ Do this quickly so that the gauge ends up indicating 0.1MPa (1 kg/cm G) to 0.3 MPa (3 kg/cm G)8. Use refrigerant reclaiming equipment to collectrefrigerant from indoor unit and pipes.9. Disconnect the charge set, and mount the 2-way and 3-way valves stem caps and the service port caps.∙ Use a torque wrench to tighten the service port cap toa torque of 18 N m∙ Be sure to check for gas leakage.10. Disconnect pipes from indoor unit and out-door unit.11.2. PUMPING DOWN45CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE