AUX-DC inverter ARV outdoor unit individual series technical manual
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3.4 Determination method of pipe and branch pipe
Selecting type of refrigerant pipe
between outdoor unit and the 1
st
. branch pipe
between branch pipe and branch pipe
between branch pipe and indoor unit
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)
Length between 1st IDU branch and Farthest Outdoor unit ≥90m
Total capacity of out
-door unit(kW)
Diameter of pipe “2” depends on the total capacity of indoor unit connected below.
Total capacity of indoor unit(kW)
Note:
1. The 1
st
. Branch pipe should be based on thecapacity of outdoor unit,