Lennox MCFA Service Manual page 75

Number of Zones and Outdoor Unit Connection Sizes
NOTE - Letter = Indoor Unit Zone Connection on Outdoor Unit
Zone 1 (A)
1/4 in. liq + 1/2 in. gas
009
009
009
012
012
012
018
018
018
018
024
024
030
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
009
009
009
009
009
009
009
009
009
009
009
LEGEND:
CLEAR = No adapters required.
GRAY = 3/8 x 1/2 in. gas pipe adapter is required for line set connection to outdoor unit (furnished with outdoor unit).
BLACK = 1/4 x 3/8 in. liquid pipe adapter is required for line set connection to the 048 outdoor unit (furnished with outdoor unit).
1/2 x 5/8 in. gas pipe adapter is required for line set connection to the 048 outdoor unit (furnished with outdoor unit).
Table 10. MPC048S4M
Zone 2 (B)
1/4 in. liq + 1/2 in. gas 1/4 in. liq + 3/8 in. gas
024
030
036
024
030
036
018
024
030
036
030
036
030
006
006
006
009
009
009
012
012
012
012
018
018
018
018
024
024
009
009
009
009
012
012
012
012
012
018
018
Zone 3 (C)
1/4 in. liq + 3/8 in. gas
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
024
030
036
024
030
036
018
024
030
036
018
024
030
036
024
030
018
024
030
036
012
018
024
030
036
018
024
75
Zone 4 (D)
1/4 in. liq + 3/8 in. gas
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
Zone 5 (E)
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -