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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
6.3.2 Outdoor Unit
Evacuation for the whole system
Procedure:
1. Confirm that the 2- and 3-way valves are opened.
2. Connect the vacuum pump to the 3-way valve’s service port.
3. Evacuate the system for approximately one hour. Confirm that the compound meter indicates -0.1 MPa
(-14.5Psi).
4. Close the valve (Low side) on the charge set and turn off the vacuum pump.
5. Wait for 5 minutes then check whether the gauge needle moves after turning off the vacuum pump. If the
gauge needle moves backward, check whether there is gas leakage.
6. Disconnect the charge hose from the vacuum pump.
7. Mount the caps of service port and 2- and 3-way valves.
8. Use a torque wrench to tighten the caps to a torque of 18 N.m.
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