Lennox MCFA Service Manual page 77

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
006
006
006
006
006
006
006
006
006
006
006
009
009
009
009
009
009
009
009
009
009
009
009
009
009
009
009
009
009
012
012
012
012
006
006
006
006
006
006
006
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
009
009
009
009
009
012
012
012
012
012
012
009
009
009
009
009
009
009
009
009
009
009
009
012
012
012
012
012
012
012
012
012
012
006
006
006
006
006
006
006
Zone 3 (C)
1/4 in. liq + 3/8 in. gas
012
012
018
018
018
012
012
012
012
018
018
009
009
009
009
009
009
012
012
012
012
018
018
012
012
012
012
018
018
012
012
012
018
006
006
006
006
006
006
006
77
Zone 4 (D)
1/4 in. liq + 3/8 in. gas
030
036
018
024
030
012
018
024
030
018
024
009
012
018
024
030
036
012
018
024
030
018
024
012
018
024
030
018
024
012
018
024
018
006
006
006
006
006
006
009
Zone 5 (E)
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
009
012
018
024
030
024
009