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23
Max. Length
A
Max. Height
difference
B
Indoor
unit
Outdoor unit
MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
Refrigerant piping: ft. Piping size O.D: in.
Max. Length
A
Max. Height dierence
B
Gas Liquid
MUZ-GL09NA
MUZ-GL09NAH
MUY-GL09NA
MUZ-GL12NA
MUZ-GL12NAH
MUY-GL12NA
65 40 3/8 1/4
MUZ-GL15NA
MUZ-GL15NAH
MUY-GL15NA
65 40 1/2 1/4
MUZ-GL18NA
MUZ-GL18NAH
MUY-GL18NA
100 50 1/2 1/4
MUZ-GL24NA
MUZ-GL24NAH
MUY-GL24NA
100 50 5/8 3/8
ADDITIONAL REFRIGERANT CHARGE (R410A: oz.)
NOTE: Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation.
Model
Outdoor unit
precharged
Refrigerant piping length (one way): ft.
25 30 40 50 60 65
MUZ-GL09NA
-
U1
MUZ-GL09NA
-
U2
MUZ-GL09NAH
-
U1
MUZ-GL09NAH
-
U2
MUY-GL09NA
-
U2
2 lb. 5 oz.
0 1.08 3.24 5.40 7.56 8.64
MUZ-GL09NA
-
U8
MUZ-GL09NAH
-
U8
MUY-GL09NA
-
U1
MUZ-GL12NA
MUZ-GL12NAH
MUY-GL12NA
MUZ-GL15NA
MUZ-GL15NAH
MUY-GL15NA
2 lb. 9 oz.
Calculation: X oz. = 1.08/5 oz./ft. × (Refrigerant piping length (ft.) - 25)
OBH733J
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