Lennox MPA012S4S-1L Service Manual page 81

Maximum Line Set Length
Include ALL piping in measurement
2-zone 98 ft. (30 m)
3-Zone 148 ft. (45 m)
4-Zone 197 ft. (60 m)
5-Zone 246 ft. (75 m)
Maximum Line Set Length
Furthest Indoor Unit
2-zone 66 ft. (20 m)
3-Zone 82 ft. (25 m)
4-Zone 98 ft. (30 m)
INDOOR UNIT
4-Zone 98 ft. (30 m)
Pipe and Wire Each Zone Separately
outdoor
wire
pipe
L4(ft)
Unit D
L3(ft)
Unit C
L2(ft)
Unit B
L1(ft)
Unit A
Connecting Multiple Capacity Indoor Units
Four-Zone System Example shown above
INDOOR UNIT
INDOOR UNIT
INDOOR UNIT
Five-Zone System Example shown
indoor
A B C D
Unit D
Unit C
Unit B
Unit A
C(1/4in)
C(3/8in)
B(1/4in)
B(3/8in)
A(1/4in)
A(1/2in)
INDOOR UNIT
Maximum Line
Set Elevation
Indoor Units
Above Outdoor Unit
49 ft. (15 m)
OUTDOOR UNIT
Maximum Line
Set Elevation
Indoor Units
Below Outdoor Unit
33 ft. (10 m)
Maximum Line Set Elevation
Between Indoor Units
33 ft. (10 m)
Lennox Mini-Split Service Manual / Page 81