Lennox MMDB Service Manual

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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
MLB048S4M
2
009 024 - - - - - - - - - 9,000 24,000 - - - - - - - - - 9,400 25,100 - - - - - - - - -
009 030 - - - - - - - - - 8,000 29,000 - - - - - - - - - 9,100 30,400 - - - - - - - - -
009 036 - - - - - - - - - 8,000 33,000 - - - - - - - - - 8,600 34,500 - - - - - - - - -
012 024 - - - - - - - - - 11,000 23,000 - - - - - - - - - 12,400 24,800 - - - - - - - - -
012 030 - - - - - - - - - 11,000 28,000 - - - - - - - - - 11,900 29,600 - - - - - - - - -
012 036 - - - - - - - - - 10,000 31,000 - - - - - - - - - 11,100 33,200 - - - - - - - - -
018 018 - - - - - - - - - 17,000 17,000 - - - - - - - - - 18,600 18,600 - - - - - - - - -
018 024 - - - - - - - - - 17,000 22,000 - - - - - - - - - 17,800 23,700 - - - - - - - - -
018 030 - - - - - - - - - 15,000 26,000 - - - - - - - - - 16,600 27,600 - - - - - - - - -
018 036 - - - - - - - - - 14,000 28,000 - - - - - - - - - 15,000 30,000 - - - - - - - - -
024 030 - - - - - - - - - 18,000 23,000 - - - - - - - - - 20,000 25,000 - - - - - - - - -
024 036 - - - - - - - - - 15,000 23,000 - - - - - - - - - 17,300 26,000 - - - - - - - - -
030 030 - - - - - - - - - 19,000 19,000 - - - - - - - - - 21,700 21,700 - - - - - - - - -
3
009 009 018 - - - - - - 9,000 9,000 18,000 - - - - - - 9,600 9,600 19,100 - - - - - -
009 009 024 - - - - - - 9,000 9,000 23,000 - - - - - - 9,100 9,100 24,100 - - - - - -
009 009 030 - - - - - - 8,000 8,000 27,000 - - - - - - 8,600 8,600 28,600 - - - - - -
009 009 036 - - - - - - 8,000 8,000 31,000 - - - - - - 8,200 8,200 32,700 - - - - - -
009 012 012 - - - - - - 9,000 12,000 12,000 - - - - - - 9,900 13,200 13,200 - - - - - -
009 012 018 - - - - - - 9,000 12,000 18,000 - - - - - - 9,300 12,400 18,600 - - - - - -
009 012 024 - - - - - - 8,000 11,000 22,000 - - - - - - 8,800 11,800 23,500 - - - - - -
009 012 030 - - - - - - 8,000 11,000 26,000 - - - - - - 8,400 11,200 27,900 - - - - - -
009 012 036 - - - - - - 7,000 10,000 30,000 - - - - - - 8,100 10,700 32,100 - - - - - -
009 018 018 - - - - - - 8,000 17,000 17,000 - - - - - - 8,800 17,600 17,600 - - - - - -
009 018 024 - - - - - - 8,000 16,000 21,000 - - - - - - 8,400 16,800 22,300 - - - - - -
009 018 030 - - - - - - 7,000 15,000 25,000 - - - - - - 8,100 16,100 26,700 - - - - - -
009 018 036 - - - - - - 7,000 14,000 28,000 - - - - - - 7,800 15,500 30,900 - - - - - -
009 024 024 - - - - - - 7,000 20,000 20,000 - - - - - - 8,100 21,400 21,400 - - - - - -
009 024 030 - - - - - - 7,000 19,000 23,000 - - - - - - 7,800 20,600 25,700 - - - - - -
012 012 012 - - - - - - 12,000 12,000 12,000 - - - - - - 12,800 12,800 12,800 - - - - - -
012 012 018 - - - - - - 11,000 11,000 17,000 - - - - - - 12,100 12,100 18,100 - - - - - -
012 012 024 - - - - - - 11,000 11,000 22,000 - - - - - - 11,500 11,500 22,900 - - - - - -
012 012 030 - - - - - - 10,000 10,000 26,000 - - - - - - 10,900 10,900 27,300 - - - - - -
012 012 036 - - - - - - 10,000 10,000 29,000 - - - - - - 10,500 10,500 31,400 - - - - - -
012 018 018 - - - - - - 11,000 16,000 16,000 - - - - - - 11,500 17,200 17,200 - - - - - -
012 018 024 - - - - - - 10,000 15,000 20,000 - - - - - - 10,900 16,400 21,800 - - - - - -
012 018 030 - - - - - - 10,000 14,000 24,000 - - - - - - 10,500 15,700 26,200 - - - - - -
012 024 024 - - - - - - 10,000 19,000 19,000 - - - - - - 10,500 21,000 21,000 - - - - - -
018 018 018 - - - - - - 15,000 15,000 15,000 - - - - - - 16,400 16,400 16,400 - - - - - -
018 018 024 - - - - - - 14,000 14,000 19,000 - - - - - - 15,700 15,700 21,000 - - - - - -

Lennox MMDB Specifications

General

Brand	Lennox
Model	MMDB
Category	Air Conditioner
Language	English