2
Parts Arrangement
MMDA or MMDB
Medium-Static Concealed Duct
Wall-Mounted Non-Ducted Unit
Cassette may be adjusted to provide discharge
air from one, two, three or four sides.
AIR FILTER
DIFFUSER LOUVER
ADJUSTMENT LEVER
Ceiling- or Floor-Mounted Non-Ducted Unit
DISCHARGE AIR LOUVER
AIR FILTER
RETURN AIR
DISCHARGE AIR LOUVER
AIR FILTER
(Open front cover)
RETURN AIR
(Filter)
CONTROL BOX
DISCHARGE AIR
BEHIND RETURN AIR GRILLE
RETURN AIR GRILLE
BEHIND RETURN AIR GRILLE
RETURN AIR GRILLE
M22A, M33A or M33B Cassette
MCFA or MCFB
MWMA, MWMB or 3WMB
Figure 1. Parts Arrangement
Summary of Contents for M22A
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