Lennox MMA018SM4 Service Manual page 56

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
018
024
018
024
012
018
024
018
024
024
012
018
024
012
018
024
012
018
024
018
024
009
012
018
024
012
018
024
018
012
018
024
018
006
009
012
018
024
009
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
006
006
009
009
012
012
012
018
018
¹ 024
006
006
006
009
009
009
012
012
012
018
018
009
009
009
009
012
012
012
018
012
012
012
018
006
006
006
006
006
009
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
006
006
006
006
006
009
009
009
009
009
009
009
009
012
012
012
012
006
006
006
006
006
006
56
Zone 4 (D)
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
006
006
006
006
006
006