DC Inverter U-match Series Duct Type Unit
22
Install an oil return
bend every 6m
Oil return bend
System gas pipe
Outdoor unit
Indoor unit
(2) Outdoor unit is above the indoor unit.
It’s necessary to add oil return bend and non-return bend at the lowest and
highest position of the vertical pipe, as shown below:
Outdoor unit
Non-return bend
System gas pipe
Oil return bend
Indoor unit
Install an oil return
bend every 6m
Dimensions for the making of oil return bend are as follows:
C
B
A
