4
Indoor Unit Installation
Safety Precautions
Indoor Unit
Installation
Indoor Unit Installation Instructions
Step 1: Select installation location
The BM18MFCC can be installed vertically on a
low wall or horizontally on the ceiling. Your
chosen location should meet these conditions:
Enough room for installation and maintenance.
Enough room for the connecting pipe and
drainpipe.
The ceiling is horizontal and its structure can
sustain the weight of the indoor unit.
The air inlet and outlet are not impeded.
The airow can ll the entire room.
There is no direct radiation from heaters.
NOTE: Panel installation should be performed
after piping and wiring have been completed.
DO NOT install the unit in the following
locations:
Areas with oil drilling or fracking
Coastal areas with high salt content in the
air
Areas with caustic gases in the air, such as
near hot springs
Areas with power uctuations, such as
factories
Enclosed spaces, such as cabinets
Areas with strong electromagnetic waves
Areas that store ammable materials or gas
Rooms with high humidity, such as
bathrooms or laundry rooms
CAUTION
Page 6 Revised 5/14/2020
WARNING
• Securely install the indoor unit on a
structure that can sustain its weight. If
the structure is too weak, the unit may
fall and cause personal injury, unit and
property damage, or death.
• DO NOT install the indoor unit in a
bathroom or laundry room as excessive
moisture can short the unit and corrode
the wiring.
• Install the indoor and outdoor units,
cables and wires at least 3 feet from
televisions or radios to prevent static
or image distortion. Depending on the
appliances, a 3 foot distance may not be
sucient.
• If the indoor unit is installed on metal, it
must be electrically grounded.
CAUTION
