Installation manual
6
U-5~48MX3
Urban Multi air conditioner
4PW16235-1C
2.
To avoid the risk of oil retention to the stopping unit side, always
connect the stop valve and the piping between outdoor units as
shown in the figure A or figure B.
Prohibited pattern
Change to pattern 1 or 2
Change as shown in the figure below
3.
If the piping length between the outdoor unit-connecting pipe kits or
between the outdoor units exceeds 2 m, create a rise of 200 mm or
more in the gas line within a length of 2 m from the kit.
■
If
≤
2 m
■
If
≥
2 m
A
Unit A
B
Unit B
C
Unit C
X
Not allowed
O
Allowed
1
To indoor unit
2
Oil collects to the stopping outdoor unit.
3
Oil collects to the outdoor unit C when the system stops.
A
B
B
A
1
1
2
2
2
2
2
2
1
1
A
B
C
C
A
B
3
3
1
1
≥
200 mm
1
To indoor unit
2
Piping between outdoor units
1
To indoor unit
2
Piping between outdoor units
1
≤
2 m
2
1
1
2
2
2
≤
2 m
≤
2 m
≤
2 m
≥
2 m
≥
200 mm
≥
200 mm
≥
200 mm
Summary of Contents for U-5MX3XPQ
Page 23: ...NOTES NOTES...
Page 24: ...4PWEN16235 1C...
