Lennox MMA018SM4 Service Manual page 57

MLB036S4M / MPC036S4M
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
012
018
024
012
018
024
009
012
018
024
012
018
012
018
009
012
018
012
018
012
012
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 036 outdoor unit (furnished with outdoor unit).
1/2 x 5/8 in. gas pipe adaptor is required for line set connection to the 036 outdoor unit (furnished with outdoor unit).
1/4 x 3/8 in. liquid pipe adaptor is required for line set connection to the 036 outdoor unit (furnished with outdoor unit).
1
3/8 x 5/8 in. gas pipe adaptor is required for line set connection to the 036 outdoor unit (not furnished).
Zone 2 (B)
1/4 in. liq + 3/8 in. gas
009
009
009
012
012
012
009
009
009
009
012
012
012
012
009
009
009
012
012
012
012
Zone 3 (C)
1/4 in. liq + 3/8 in. gas 1/4 in. liq + 3/8 in. gas
006
006
006
006
006
006
009
009
009
009
009
009
012
012
009
009
009
009
009
012
012
57
Zone 4 (D)
006
006
006
006
006
006
006
006
006
006
006
006
006
006
009
009
009
009
009
009
012