26
5. Set the 2-way valve to the close position.
6. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa.
7. Set the 3-way valve to the closed position immediately.
Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa.Disconnect the charge set, and
amount the 2-way and 3-way valve’s stem nuts and service port caps.Use a torque wrench to tighten the
service port cap.Be sure to check for gas leakage.
6.9 Re-air purging (Re-installation)
Procedure:
1. Confirm that both the 2-way and 3-way valves are set to the closed position.
2. Connect the charge set and a charging cylinder to the service port of the 3-way valve.
Leave the valve on the charging cylinder closed.
3. Air purging.
Open the valves on the charging cylinder and the charge set. Purge the air by loosening the flare nut on
the 2-way valve approximately 45’ for 3 seconds then closing it for 1 minute; repeat 3 times.
After purging the air, use a torque wrench to tighten the flare nut to on the 2-way valve.
PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn
To Next Page
Loading...
Need help?
General
