Datasheet

Installation5RMI0-02A
111
Inverter Single
Pump Down
This is performed when the unit is relocated or the refrigerant circuit is serviced.
Pump Down means collecting all refrigerant into the outdoor unit without the loss of refrigerant.
Be sure to perform Pump Down procedure in the cooling mode.
Pump Down Procedure
1. Connect a low-pressure gauge manifold hose to the charge port on the gas side service valve.
2. Open the gas side service valve halfway and purge the air in the manifold hose using the refrigerant.
3. Close the liquid side service valve(all the way).
4. Turn on the units operating switch and start the cooling operation.
5. When the low-pressure gauge reading becomes 1 to 0.5kg/cm
2
G(14.2 to 7.1 P.S.I.G.), fully close the gas side valve
and then quickly turn off the unit. Now Pump Down procedure is completed, and all refrigerant is collected into the
outdoor unit.
CAUTION
Mode Indoor temperature Outdoor temperature
Cooling 18°C ~ 32°C -10°C ~ 48°C
Heating 16°C ~ 30°C -15°C ~ 24°C