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Lennox VRF Air Handler Indoor Unit
4.2 Location
4.2.1 Installation Site
◆ A place where cool air can be distributed throughout the room.
◆ A place where condensation water is easily drained out.
◆ A place that can bear the weight of indoor unit.
◆ A place which is easy for maintenance.
◆ A place where easy connection with the outdoor unit is available.
◆ A place where is 1m or more away from other electric appliances such as television, audio
device, etc.
◆ Avoid a location where there is heat source, high humidity or inflammable gas.
◆ Do not place the unit near a laundry, a bath, a shower or a swimming pool.
◆ Be sure that the installation conforms to the installation dimension diagram.
◆ The space around the unit is adequate for ventilation
4.2.2 Air Handler
WARNING: This air handler is designed for indoor installation only. Do not install it
outdoors.
When installing the air handler, take consideration to minimize the length of refrigerant tubing
as much as possible. Do not install the air handler in a location either above or below the
condenser that violates the instructions provided with the condenser. Service clearance is to take
precedence. Allow a minimum of 24" in front of the unit for service clearance. When installing in an
area directly over a finished ceiling (such as an attic), an emergency drain pan is required directly
under the unit. See local and state codes for requirements. When installing this unit in an area that
may become wet, elevate the unit with a sturdy, non-porous material. In installations that may lead
to physical damage (i.e. a garage) it is advised to install a protective barrier to prevent such
damage.
This air handler is designed for a complete supply and return ductwork system. Do not
operate this product without all ductwork attached.
Based upon the actual conditions, if air handler is installed as Fig 4.2(A), the air handler
should be concealed in a specific room or space and make sure the air handler is not accessible to
the general public.
Based upon the actual conditions, if air handler is installed as Fig 4.2(B), make sure that there
is enough space for care and maintenance and the height between the air handler and ground is
above 2500mm. And the air handler is not accessible to the general public.
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