Design and Technical Manual

6. Additional charge calculation
6-1. Models: AOU9RLFC and AOU12RLFC
Refrigerant type R410A
Refrigerant amount
lb oz 2 lb 10 oz
g 1,200
¢ Refrigerant charge
Total pipe length
ft 49 or less 66 (Max.)
0.22 oz/ft
(20 g/m)
m 15 or less 20 (Max.)
Additional charge
oz 0 3.5
g 0 100
6-2. Model: AOU18RLFC
Refrigerant type R410A
Refrigerant amount
lb oz 2 lb 14 oz
g 1,300
¢ Refrigerant charge
Total pipe length
ft 49 or less 66 (Max.)
0.22 oz/ft
(20 g/m)
m 15 or less 20 (Max.)
Additional charge
oz 0 3.5
g 0 100
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6-1. Models: AOU9RLFC and AOU12RLFC 6. Additional charge calculation
OUTDOOR UNIT AOU9-18RLFC OUTDOOR UNIT AOU9-18RLFC