4. Outdoor Installation
YKB/YLM 2nd
4 - 116
S.D. R2
MEE15K022
Outdoor unit 2
Outdoor unit 1
High-pressure
twinning pipe
200mm [7-7/8 in.]
max.
To BC controller
Twinning pipe (low-pressure side)
Twinning pipe (high-pressure side)
On-site piping (low-pressure connecting pipe: between outdoor units)
On-site piping (low-pressure main pipe: to BC controller)
On-site piping (high-pressure main pipe: to BC controller)
Straight run of pipe that is 500 mm [19-11/16 in.] or more
See the Installation Manual for the details of Twinning pipe installation.
See the following drawing for connecting the pipes between the outdoor units.
4-3-7. Twinning on the outdoor unit side