GREE U-Match 6 SERIES UNIT SERVICE MANUAL
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concentration of refrigerant from exceeding the allowable safety limit; Excessive refrigerant leakage
may lead to explosion.
(22) When installing or re-installing the air conditioner, please keep the refrigerant circuit away from
substances other than the specified refrigerant, such as air. Any presence of foreign substances will
cause abnormal pressure change or even explosion, resulting in injury.
(23) Only professionals are allowed to carry on daily maintenance.
(24) Before contacting any wire, make sure power is cut off.
(25) Do not let any inflammable objects near the unit.
(26) Do not use organic solvent to clean the air conditioner.
(27) If you need to replace a component, please ask a professional to repair with a component supplied
by the original manufacturer so as to ensure the unit’s quality.
(28) Improper operation may get the unit broken, hit by electric shock or cause fire.
(29) Do not make the air conditioner wet or electric shock may be lead, ensure that the air conditioner
will not be cleaned by water rinsing under any circumstance.
NOTICE:
(1) If the appliance is maintained at a humid place, it should be grounded to avoid electric shock.
(2) Never repair the unit with wet hands. Operating the unit with wet hands may lead to electric shock.
(3) If the unit is not correctly grounded, please check and fix it.
(4) Before cleaning the unit, please disconnect power to prevent the inner fan from starting up and
running at high speed; Otherwise personal injury may occur.
(5) Measure the insulation resistance after maintenance. The resistance must be 1M or higher. Bad
insulation may lead to electric shock.
(6) Welding and cutting work must be done in a well-ventilated place.
(7) Gas appliances, heaters and other fire sources should be kept away from the installation and
maintenance site.
(8) Maintenance should be done according to suggestions of the manufacturer.
(9) Maintenance should be done only after the refrigerant is completely reclaimed from the unit.
(10) Do not put a finger or other objects into the air inlet or air return grill.
(11) Please adopt safety protection measures before touching the refrigerant pipe, otherwise your hands
may be hurt.
(12) Please arrange the drain pipe according to the instruction manual.
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