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MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
ADDITIONAL REFRIGERANT CHARGE (R410A: oz.)
NOTE: Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation.
precharged
MUZ-GL09NA -
U2
MUZ-GL09NAH -
2 lb. 5 oz.
U1
MUZ-GL09NAH -
U2
MUY-GL09NA -
U2
MUY-GL09NA -
U1
2 lb. 9 oz.
MUY-GL12NA
MUZ-GL15NAH
MUY-GL15NA
OBH733G
Refrigerant piping: ft.
Max. Length
Max. Height difference
A
65
65
100
100
Max. Height
difference
B
25
0
B
40
40
50
50
Max. Length
A
Refrigerant piping length (one way): ft.
30
40
1.08
3.24
Calculation: X oz. = 1.08/5 oz./ft. × (Refrigerant piping length (ft.) - 25)
23
Piping size O.D: in.
Gas
Liquid
3/8
1/4
1/2
1/4
1/2
1/4
5/8
3/8
50
60
5.40
7.56
65
8.64
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