Expelling The Air In The Pipes And The Indoor Unit - Beko BEMPE 090 Manual Del Usuario

13 Pipe connection

13.2 Expelling the air in the pipes and the indoor unit

Exclusive R32 refrigerant pump must be used in making R32 refrigerant vacuum.
1. Connect the pipes of indoor units and outdoor unit according to the figure below, and tighten all
the bell coupling nuts of indoor and outdoor to prevent leakage.
2. Connect the cut-off valves, charge hose, manifold valve, vacuum pump as the figure below.
3. Please fully open the manifold valve handle Lo and Hi, and do the vacuum processing, vacuum
should be running more than 15 minutes, make sure the vacuum gauge indicates the pressure has
reached -0.1MPa (-76cmHg);
4. After completion of vacuum processing, use the hex wrench to open a little the liquid valve of unit
A and unit B, and then quickly remove the hose of gas valve (remove the hose to prevent air from
entering the system);
5. Open all the cut-off valve and check the connecting mouth of indoor and outdoor, then cover the
cut-off valves after confirm there is no leak.
Compound meter Pressure gauge
-76cm Hg
Handle Lo
Vacuum Pump
Charge hose
Free match split type air conditioner / User Manual
Manifold valve
Handle Hi
Charge hose
Indoor Unit A
Indoor Unit B
Indoor Unit C
Indoor Unit D
Indoor Unit E
37 / 172 EN