DC Inverter U-match Series Cassette Type Unit
2
(14). During installation, attach the refrigerant piping securely before running the compressor. If the
compressor is not attached and the stop valve is open during pump-down, air will be sucked in
when the compressor is run, causing abnormal pressure in the freezer cycle which will lead to
breakage and even injury.
(15). Be sure to establish an earth. Do not earth the unit to a utility pipe, arrester, or telephone earth.
Incomplete earth may cause electrical shock, or re. A high surge current from lightning or other
sources may cause damage to the air conditioner.
(16).
Be sure to install an earth leakage breaker. Failure to install an earth leakage breaker may result in
electric shocks, or re.
(17). 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.
(18). Children should be supervised to ensure that they do not play with the appliance.
(19). If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualied persons in order to avoid a hazard.
CAUTION!
(1). Do not install the air conditioner in a place where there is danger of exposure to inammable gas
leakage. If the gas leaks and builds up around the unit, it may catch re.
(2). Establish drain piping according to the instructions of this manual. Inadequate piping may cause
ooding.
(3). Tighten the are nut according to the specied method such as with a torque wrench. If the are
nut is tightened too hard, the are nut may crack after a long time and cause refrigerant leakage.
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