Mark HCNI 533, Техническое руководство

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27
EN
5.3 Re-installation
5.3.1 Indoor Unit
Collecting the refrigerant into the outdoor unit:
(Indoor unit)
(Liquid side)
(Gas side)
Close
Close
2-way valve
Open
3-way valve
Open
(Outdoor unit)
Lo Hi
Procedure:
1. Confirm that the 2-way and 3-way valves are opened.
2. Connect the charge hose with the push pin of Handle “Lo” to the 3-way valve’s gas service
port.
3. Open the Handle “Lo” manifold valve to purge air from the charge hose for 5 seconds and then
close it quickly.
4. Close the 2-way valve.
5. Operate the air conditioner in cooling mode. Cease operations when the gauge reaches 0.1
MPa (14.5 Psi).
6. Close the 3-way valve so that the gauge rests between 0.3 MPa (43.5 Psi) and 0.5 MPa (72.5
Psi).
7. Disconnect the charge set and mount the caps of service port and 2-way and 3-way valves.
8. Use a torque wrench to tighten the caps to a torque of 18 N•m.
9. Check for gas leakage.