Mitsubishi Electric PUHY-RP200 Service Handbook page 130

[ VIII Test Run Mode ]
Set SW4-3 to ON to start the refrigerant
charge adjustment mode.
Operation mode is automatically selected.
Has the operation lasted
Connect a refrigerant cylinder, and open its valve.
Result of the automatic refrigerant
Refrigerant charging port will automatically close.
Close the valve on the cylinder, and disconnect the cylinder.
Refrigerant charge adjustment is complete.
If the refrigerant charge was adjusted in the heating mode, manually
add the specified amount of refrigerant through the low-pressure check joint (CJ2).
Refrigerant charge adjustment is complete.
HWE10010
(*1)
The refrigerant charge adjustment mode was completed
within 45 minutes, and the units stopped operating.
for 45 minutes?
Operation has continued for 45 minutes or longer.
Refrigerant charge is inadequate.
charge evaluation
Refrigerant charge is adequate.
Operation will stop.
Set SW4-3 to OFF.
(*1)The operation mode will automatically be selected depending on the outside temperature.
20°C or above: Cooling
Below 15°C: Heating
If the outside temperature is 15°C or above and below 20°C, the operation mode will
depend on the indoor temperature.
23°C or below: Heating
Above 23°C: Cooling
(Note 1)
(Note 1) After completing the automatic refrigerant charge adjustment, close the
valve on the cylinder within five minutes, and disconnect the cylinder.
(Note 2) Charge an additional 1.5 kg of refrigerant per outdoor unit.
(Note 2)
- 121 -
Extract 1 kg of refrigerant
from the system.
GB