Lennox MMA018SM4 Service Manual page 60

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
030
018
024
012
018
024
030
018
024
012
018
024
018
009
012
018
024
030
009
012
018
024
030
012
018
024
030
018
024
009
012
018
024
030
012
018
024
030
018
024
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
012
012
018
018
012
012
012
012
018
018
012
012
012
018
006
006
006
006
006
009
009
009
009
009
012
012
012
012
018
018
009
009
009
009
009
012
012
012
012
018
018
Zone 3 (C)
1/4 in. liq + 3/8 in. gas 1/4 in. liq + 3/8 in. gas
009
009
009
009
012
012
012
012
012
012
012
012
012
012
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
60
Zone 4 (D)
1/4 in. liq + 3/8 in. gas
009
009
009
009
009
009
009
009
009
009
012
012
012
012
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
Zone 5 (E)
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
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