Lennox MMDB Service Manual

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10.2. MLB Multi-Zone System Combinations
Table 6. MLB Multi-Zone System Combinations
NOTE - For multi-zone systems, the total capacity of all indoor units must be 66% to 133% of the outdoor unit capacity.
Outdoor Unit
Model No.
Number
of
Zones
Indoor Unit
Capacity
Nominal Cooling Capacity at Rated
System Capacity (Btuh)
Nominal Heating Capacity at Rated
System Capacity (Btuh)
#1 #2 #3 #4 #5 #1 #2 #3 #4 #5 #1 #2 #3 #4 #5
MLB018S4M 2
009 009 - - - - - - - - - 9,000 9,000 - - - - - - - - - 9500 9500 - - - - - - - - -
009 012 - - - - - - - - - 8,000 11,000 - - - - - - - - - 8,600 11,500 - - - - - - - - -
012 012 - - - - - - - - - 10,000 10,000 - - - - - - - - - 10,100 10,100 - - - - - - - - -
MLB030S4M
2
009 009 - - - - - - - - - 9,000 9,000 - - - - - - - - - 9,700 9,700 - - - - - - - - -
009 012 - - - - - - - - - 8,000 11,000 - - - - - - - - - 9,700 12,900 - - - - - - - - -
009 018 - - - - - - - - - 8,000 16,000 - - - - - - - - - 9,200 18,300 - - - - - - - - -
012 012 - - - - - - - - - 11,000 11,000 - - - - - - - - - 12,600 12,600 - - - - - - - - -
012 018 - - - - - - - - - 10,000 15,000 - - - - - - - - - 11,600 17,400 - - - - - - - - -
018 018 - - - - - - - - - 14,000 14,000 - - - - - - - - - 14,800 14,800 - - - - - - - - -
3
009 009 009 - - - - - - 9,000 9,000 9,000 - - - - - - 9,500 9,500 9,500 - - - - - -
009 009 012 - - - - - - 9,000 9,000 11,000 - - - - - - 8,800 8,800 11,700 - - - - - -
009 009 018 - - - - - - 7,000 7,000 15,000 - - - - - - 7,500 7,500 15,000 - - - - - -
009 012 012 - - - - - - 8,000 11,000 11,000 - - - - - - 8,100 10,800 10,800 - - - - - -
012 012 012 - - - - - - 10,000 10,000 10,000 - - - - - - 10,000 10,000 10,000 - - - - - -
MLB036S4M
2
009 018 - - - - - - - - - 9,000 17,000 - - - - - - - - - 9,400 18,700 - - - - - - - - -
009 024 - - - - - - - - - 8,000 21,000 - - - - - - - - - 8,800 23,300 - - - - - - - - -
012 012 - - - - - - - - - 12,000 12,000 - - - - - - - - - 12,800 12,800 - - - - - - - - -
012 018 - - - - - - - - - 11,000 17,000 - - - - - - - - - 12,100 18,200 - - - - - - - - -
012 024 - - - - - - - - - 10,000 20,000 - - - - - - - - - 11,100 22,200 - - - - - - - - -
018 018 - - - - - - - - - 15,000 15,000 - - - - - - - - - 16,600 16,600 - - - - - - - - -
018 024 - - - - - - - - - 13,000 18,000 - - - - - - - - - 14,500 19,300 - - - - - - - - -
024 024 - - - - - - - - - 15,000 15,000 - - - - - - - - - 15,700 15,700 - - - - - - - - -
3
009 009 009 - - - - - - 9,300 9,300 9,300 - - - - - - 9,800 9,800 9,800 - - - - - -
009 009 012 - - - - - - 9,000 9,000 12,000 - - - - - - 9,500 9,500 12,600 - - - - - -
009 009 018 - - - - - - 8,300 8,300 16,500 - - - - - - 8,700 8,700 17,400 - - - - - -
009 009 024 - - - - - - 7,500 7,500 20,100 - - - - - - 8,000 8,000 21,200 - - - - - -
009 012 012 - - - - - - 8,600 11,500 11,500 - - - - - - 9,100 12,100 12,100 - - - - - -
009 012 018 - - - - - - 7,900 10,500 15,800 - - - - - - 8,400 11,100 16,700 - - - - - -
009 012 024 - - - - - - 7,200 9,600 19,100 - - - - - - 7,600 10,100 20,200 - - - - - -
009 018 018 - - - - - - 7,200 14,300 14,300 - - - - - - 7,600 15,200 15,200 - - - - - -
012 012 012 - - - - - - 11,000 11,000 11,000 - - - - - - 11,600 11,600 11,600 - - - - - -
012 012 018 - - - - - - 10,000 10,000 15,100 - - - - - - 10,600 10,600 15,900 - - - - - -
012 012 024 - - - - - - 9,100 9,100 18,100 - - - - - - 9,600 9,600 19,200 - - - - - -
012 018 018 - - - - - - 9,100 13,600 13,600 - - - - - - 9,600 14,400 14,400 - - - - - -
4
009 009 009 009 - - - 9,000 9,000 9,000 9,000 - - - 9,500 9,500 9,500 9,500 - - -
009 009 009 012 - - - 8,500 8,500 8,500 11,300 - - - 9,000 9,000 9,000 12,000 - - -
009 009 009 018 - - - 7,500 7,500 7,500 15,100 - - - 8,000 8,000 8,000 15,900 - - -
009 009 012 012 - - - 8,000 8,000 10,700 10,700 - - - 8,500 8,500 11,300 11,300 - - -
009 009 012 018 - - - 7,100 7,100 9,400 14,100 - - - 7,500 7,500 10,000 14,900 - - -
009 012 012 012 - - - 7,500 10,100 10,100 10,100 - - - 8,000 10,600 10,600 10,600 - - -
012 012 012 012 - - - 9,400 9,400 9,400 9,400 - - - 10,000 10,000 10,000 10,000 - - -

Lennox MMDB Specifications

General

Brand	Lennox
Model	MMDB
Category	Air Conditioner
Language	English