Please ensure dialing the code switch properly in place instead of middle position. Setting the
switch to "ON" stands for "0", otherwise stands for "1".
(Notes: The black part is the deflector rod.) The figure shows that the addresses of ”1,2,3,4,5”
are ”0,0,1,0,0”.
Notes:
① The selected air handling unit must be designed for R410A.
② Extraneous substances (including mineral oils or moisture) must be prevented from
getting mixed into the system.
3.5 Location for Installation
Select an installation site where the following conditions are fulfilled and that meets your
customer’s approval.
(1) The EXV box can be installed inside and outside. The control box should be installed
inside.
(2) Do not install the EXV box in or on the outdoor unit.
(3) Do not put the option boxes in direct sunlight. Direct sunlight will increase the
temperature inside the option boxes and may reduce its lifetime and influence its
operation.
(4) Choose a flat and strong mounting surface.
(5) Make sure there is enough free space in front and in the side of the AHU-KIT unit for
future maintenance.
(6) The installation site should be far away from heat source, inflammable gas and smoke.
(7) Keep the air handling unit, power supply wiring and transmission wiring at least 1 m away
from televisions and radios. This is to prevent image interference and noise in those
electrical appliances. (Noise may be generated depending on the conditions under which
the electric wave is generated, even if 1 m is kept.)
(8) Make sure the electronic expansion valve is installed in an upright position.
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