Lennox MMA018SM4 Service Manual page 59

MLB048S4M / MPC048S4M
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
024
018
024
018
024
030
018
024
030
012
018
024
030
018
024
030
024
012
018
024
030
012
018
024
030
018
024
030
012
018
024
030
018
024
009
012
018
024
030
012
018
LEGEND:
CLEAR = No adaptors required.
GRAY = 3/8 x 1/2 in. gas pipe adaptor is required for line set connection to outdoor unit (furnished with outdoor unit).
BLACK = 1/4 x 3/8 in. liquid pipe adaptor is required for line set connection to the 048 outdoor unit (furnished with outdoor unit).
1/2 x 5/8 in. gas pipe adaptor is required for line set connection to the 048 outdoor unit (furnished with outdoor unit).
Zone 2 (B)
1/4 in. liq + 1/2 in. gas
024
018
018
006
006
006
009
009
009
012
012
012
012
018
018
018
024
009
009
009
009
012
012
012
012
018
018
018
012
012
012
012
018
018
009
009
009
009
009
012
012
Zone 3 (C)
1/4 in. liq + 3/8 in. gas 1/4 in. liq + 3/8 in. gas
012
018
018
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
012
012
012
012
012
012
009
009
009
009
009
009
009
59
Zone 4 (D)
1/4 in. liq + 3/8 in. gas
- - -
- - -
- - -
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
006
009
009
009
009
009
009
009
Zone 5 (E)
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -