USER GUIDE
©
2020 Lennox Industries Inc.
Dallas, Texas, USA
MCFA, MCFB, MMDA,
MMDB, MWMA, MWMB,
3WMB, M22A,
M33A and M33B
MINI-SPLIT SYSTEM INDOOR UNITS
507550-04
5/2020
Supersedes 8/2018
WARNING
Improper installation, adjustment, alteration, ser vice or
maintenance can cause property damage, personal
injury or loss of life.
Installation and service must be performed by a li censed
professional HVAC installer (or equivalent) or a service
agency.
WARNING
ELECTRICAL SHOCK, FIRE, OR EXPLOSION
HAZARD.
DO NOT spray water on the indoor unit for any reason.
Do not touch the unit or the controller if your hands are
wet.
Do not insert your hands, tools or any other item into the
air intake or air outlet at either the indoor or outdoor unit.
Do not remove the outdoor unit fan guard for any reason.
CAUTION
If outdoor unit is installed on a raised stand, check
condition of stand occasionally to ensure that it remains
stable.
Do NOT install sprinklers or soaker hoses where they
can expose the outdoor unit to treated water. Prolonged
exposure to treated water will corrode the surface
of the steel and aluminum parts and will diminish the
performance of the unit.
IMPORTANT
System operation is controlled by either a wired or
wireless remote control. Refer to the manual provided
with the control for system operation.
To ensure comfort, make sure that temperature selection
has been properly set at the unit controller or wireless
remote control.
To ensure efficient operation, do not block air intake or
outlet at either the indoor or outdoor unit.
Do not stand on outdoor unit or store items on top of
unit.
Make sure that indoor unit directional louvers are
properly adjusted.
MCFA and MCFB Ceiling
or Floor-Mounted
Convertible
MMDA and MMDB Medium Static
Ducted
MWMA, MWMB and 3WMB Wall-
Mounted
M22A, M33A and M33B Cassette
THIS MANUAL MUST BE LEFT WITH THE
OWNER FOR FUTURE REFERENCE
Содержание M22A
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