2    Specifications subject to change without notice.         OM-40MAHB-01
A NOTE ABOUT SAFETY
Any time you see this symbol   in manuals, instructions and on the unit, 
be aware of the potential for personal injury. 
There are 3 levels of 
precaution
:
1. DANGER identifies the most serious hazards which will result in 
severe personal injury or death. 
2. WARNING signifies hazards that could result in personal injury or 
death. 
3. CAUTION is used to identify unsafe practices which could result 
in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result in enhanced 
installation, reliability, or operation.
GENERAL
The high wall fan coil unit provides quiet, maximum comfort. In 
addition to cooling and/or heating, the high wall fan coil unit matched 
with an outdoor condensing unit filters and dehumidifies the air in the 
room to provide maximum comfort.
IMPORTANT: The high wall fan coil unit should be installed by 
authorized personnel only; using approved tubing and accessories. If 
technical assistance, service or repair is needed, contact the installer. 
The high wall fan coil unit can be set up and operated from the remote 
control (provided). If the remote is misplaced, the system can be 
operated from the “Auto” setting on the unit.
Operating Modes
The high wall fan coil unit has five operating modes:
• FAN Only
• AUTO
• HEATING (heat pumps only)
•COOLING
• DEHUMIDIFICATION
FAN Only
In the FAN Only mode, the system filters and circulates the room air 
without changing room air temperature.
AUTO 
In the AUTO mode, the system automatically cools or heats the room 
according to the user-selected set point. 
NOTE: AUTO mode is recommended for use on single zone 
applications ONLY. Using AUTO CHANGEOVER on multi-zone 
applications could set an indoor unit to STANDBY mode, 
indicated with two dashes (--) on the display, which will turn off 
the indoor unit until all the indoor units are in the same mode 
(COOLING or HEATING). HEATING is the system's priority 
mode. Simultaneous HEATING and COOLING is not allowed.
HEATING
In the HEATING mode, the system heats and filters the room air.
COOLING
In the COOLING mode, the system cools, dries and filters the room 
air.
DEHUMIDIFICATION (DRY)
In the DEHUMIDIFICATION mode, the system dries, filters and 
slightly cools the room air temperature. This mode prioritizes air 
dehumidification but it does not take the place of a dehumidifier.
Wireless Remote Control
The remote control transmits commands to set up and operate the 
system. The control has a window display panel that displays the 
current system status. The control can be secured to a surface when 
used with the mounting bracket provided.
Wired Remote Control (Optional)
Refer to the Wired Controller manual.
24V Interface (Optional)
Allows the control of the Ductless System with a third party thermostat.
Smartphone Control (Optional)
Capability to be controlled by a smartphone adding the Wi-Fi® 
Interface Kit KSAIF0601AAA (sold separately).
PERSONAL INJURY, DEATH AND / OR PROPERTY DAMAGE 
HAZARD
Failure to follow this warning could result in personal injury, death or property 
damage.
Improper installation, adjustment, alteration, service, maintenance, or use can 
cause explosion, fire, electrical shock, or other conditions which may cause 
personal injury or property damage. Consult a qualified installer, service 
agency, or your distributor or branch for information or assistance. The 
qualified installer or service agency must use factory-authorized kits or 
accessories when modifying this product.
Read and follow all instructions and warnings, including labels shipped with 
or attached to unit before operating your new air conditioner.
WARNING