DC Inverter U-match Series Duct Type Unit
1
1 Safety Precautions
This is the safety alert symbol. It is used to alert you to potential personal injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury or death.
This mark indicates procedures which, if improperly performed, might lead to
the death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly
result in personal harm to the user, or damage to property.
NOTICE is used to address practices not related to personal injury.
(1)
This product can’t be installed
in
corrosive, inflammable or explosive environment
s
or
a
place
with special requirements, such as kitchen.
This
will affect the normal operation or
shorten
the service life of the unit, or
could
even cause
a
fire hazard or serious injury.
For any of the
above
special places,
use only
special
ized
equipment specifically designed for those
environments.
(2)
Instructions for installation and use of this product are provided by the manufacturer.
(3)
Installation must be performed in accordance with the requirements of NEC and CEC by
authorized personnel only.
(4)
For
operation as designed
,
follow the instructions provided in the
installation manual.
(5)
Connect the indoor unit and outdoor unit
with
properly sized
refrigerant
piping and
wiring.
This installation manual describes t
he proper items and tools required.
(6)
Installation work must be performed in accordance with national wiring standards by
authorized personnel only.
(7)
If refrigerant leaks
cccur while
work is being carried out, ventilate the area. If the refrigerant
comes in
contact with a flame, it produces toxic gas.
(8)
Do not power on until all installation work is complete.
(9)
During installation, make sure that the refrigerant pip
ing
is attached firmly before run
ning
the
compressor.
Do not operate the compressor
wher the
refrigerant piping
is
not attached
properly
with
the
2-way or 3-way valve open.
This may cause abnormal pressure in the refrigeration cycle that leads to
equipment
damage or
injury.
(10)
During the pump-down operation, make sure that the compressor is turned off before you
remove the refrigerant piping.
Do not remove the
piping
connection
s
while the compressor is in operation with 2-
way or
way valve open.
This may cause abnormal pressure in the refrigerant cycle that leads to
equipment damage
or
injury.
(11)
When installing and relocating the air conditioner, do not mix gases other than the specified
refrigerant (R410A)
.
If air or other gas enters the refrigerant cycle, the pressure inside the cycle will
become
abnormally high and cause
dammage
, injury, etc.
(12) This appliance is not intended for use by persons (including children) with reduced physical,
sensory
,
or mental capabilities
,
or lack of experience and knowledge
,
unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
