AUX-DC inverter ARV outdoor unit individual series technical manual
99
3.4 Determination method of pipe and branch pipe
Selecting type of refrigerant pipe
Type of pipe
Connecting parts
No.
Main pipe
between outdoor unit and the 1
st
. branch pipe
1
between branch pipe and branch pipe
2
Branch pipe
between branch pipe and indoor unit
3
Diameter of pipe 1 depends on pipe specification of outdoor unit.
Length between 1st IDU branch and Farthest Outdoor unit
<
90m
Total capacity of out
-door unit
(
kW
)
Gas side(mm)
liquid side(mm)
The 1st Branch pipe
61.5, 67kw
φ28.6
φ15.88
/
73,78.5,85,90kw
φ34.9
φ19.05
/
Length between 1st IDU branch and Farthest Outdoor unit
≥
90m
Total capacity of out
-door unit
(
kW
)
Gas side(mm)
liquid side(mm)
The 1st Branch pipe
61.5, 67kw
φ34.9
φ19.05
/
73,78.5,85,90kw
φ38.1
φ19.05
/
Diameter of pipe
“2” depends on the total capacity of indoor unit connected below.
Total capacity of indoor unit
(
kW
)
Gas side(mm)
liquid side(mm)
selection of Branch pipe
0
≤
Q
<
11.2
φ15.88
φ9.52
AFG-00B
11.2
≤
Q
<
18
φ19.05
φ9.52
AFG-00B
18
≤
Q
<
36
φ22.2
φ12.7
AFG-12B
36
≤
Q
<
71
φ28.6
φ15.88
AFG-24B
71
≤
Q
<
104
φ34.9
φ19.05
AFG-34B
104
≤
Q
<
138
φ38.1
φ19.05
AFG-50B
Note:
1. The 1
st
. Branch pipe should be based on thecapacity of outdoor unit,
Summary of Contents for ANB66FVAMT
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