BGH GMV6 Technical Sales Manual page 125

GMV6 DC Inverter VRF Units Technical Sales Guide
Piping fall and length among ODUs conforms to the following situations.
NOTE:
When the distance A + B of outdoor modules is over 2m, add the overturned U-shape oil resistance
loop in the place which the system low pressure gas pipe is 2m away from the outdoor branch, and A +
B ≤ 10m, fall of ODU is 0m.
123