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OUTDOOR UNIT
AOTG54LCTL
OUTDOOR UNIT
AOTG54LCTL
ADDITIONAL CHARGE CALCULATION9.
MODEL : AOTG54LC
Refrigerant type R410A
Refrigerant amount g 3,450
IF ADDITIONAL REFRIGERANT IS REQUIRED
When the piping is longer than pre-charge length, additional charging is necessary. •
For the additional amount, see the table below. •
Additional charging amount
•I.U.: Indoor unit
•L1: Max. piping length
•H1: Max. height difference
< Indoor unit to outdoor unit >
L1 > Pre-charge length
Refrigerant pipe size
[mm(in.)]
Additional charging amount [g]
Rate
[g/m]
Standard
Piping length 30 m or less 40 m 50 m 60 m 70 m
Liquid 9.52 (3/8)
None 500 1,000 1,500 2,000 50
Gas 15.88 (5/8)
Size up
Piping length 30 m or less 40 m 50 m
50Liquid 9.52 (3/8)
None 500 1,000
Gas 19.05 (3/4)
Piping length 15 m or less 25 m 35 m
100
Liquid 12.70 (1/2)
None 1,000 2,000
Gas
15.88 (5/8)
19.05 (3/4)
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