Lennox M33C024S4

10
2. MMDB Ducted Indoor Units
NOTE: It is recommended that Medium Static Ducted Indoor Units not be installed in unconditioned spaces with
temperatures above 100°F.
2.1. MMDB Model Number Identication
M MD B 012 S 4 - 1 P
Unit Type
MD = Medium Static Ducted Unit
Series Type
M = Mini-Split
Voltage
P = 208/230V-1 phase-60hz
Cooling Efciency
S = Standard Efciency
Major Design Sequence
A = 1st Generation
B = 2nd Generation
Refrigerant Type
4 = R-410A
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
Nominal Cooling Capacity
009 = .75 tons
012 = 1 tons
018 = 1.5 tons
024 = 2 tons
036 = 3 tons
048 = 4 tons