Additional Refrigerant Charge - Mitsubishi Electric City Multi PUHY-P-YKB-A1 series Installationshandbuch

9-9. Additional refrigerant charge

Charge refrigerant in a liquid state.
- Charging refrigerant in the gaseous state will change the composition of the refrigerant and lead
to a performance drop.
Do not use a charging cylinder when charging refrigerant.
- The use of a charging cylinder may change the composition of the refrigerant and lead to a
performance drop.
The amount of refrigerant that is shown in the table below is factory-charged in the outdoor units. The amount
necessary for extended piping is not included and needs to be added on site.
Unit model Factory-charged amount [kg (oz)]
P200
P250
P300
P350
The amount of refrigerant that is shown in the table below is the maximum amount to be added on site.
Unit model Maximum amount to be added [kg (oz)]
P200YKB-A1
P250YKB-A1
P300YKB-A1
P350YKB-A1
P400YKB-A1
P450YKB-A1
P500YKB-A1
Both refrigerant overcharge and undercharge will cause problems. Charge the system with the proper amount of
refrigerant.
Record the added refrigerant amount on the label attached to the control box panel for future servicing.
KD79S703H01
6.5 (230)
8.0 (283)
11.5 (406)
11.5 (406)
22.3 (786)
29.7 (1048)
32.7 (1152)
33.6 (1184)
37.2 (1311)
45.0 (1589)
45.9 (1621)
Unit model Factory-charged amount [kg (oz)]
P400
P450
P500
Unit model Maximum amount to be added [kg (oz)]
P400YSKB-A1
P450YSKB-A1
P500YSKB-A1
P550YSKB-A1
P600YSKB-A1
P650YSKB-A1
P700YSKB-A1
P750YSKB-A1
P800YSKB-A1
P850YSKB-A1
P900YSKB-A1
P950YSKB-A1
P1000YSKB-A1
P1050YSKB-A1
P1100YSKB-A1
P1150YSKB-A1
P1200YSKB-A1
P1250YSKB-A1
P1300YSKB-A1
P1350YSKB-A1
GB-30
11.5 (406)
11.8 (417)
11.8 (417)
45.0 (1589)
45.9 (1621)
47.0 (1659)
51.3 (1811)
53.9 (1900)
56.5 (1992)
68.9 (2430)
68.9 (2430)
71.4 (2519)
73.2 (2583)
75.7 (2671)
96.9 (3421)
99.9 (3527)
102.9 (3634)
106.0 (3740)
109.0 (3847)
112.0 (3954)
112.0 (3954)
112.0 (3954)
112.0 (3954)