II
● Do not perform installation work, refrigerant piping work, drain pump, drain piping and electrical wiring connection without
referring to our installation manual. If the instructions are not followed, it may result in a water leakage, electric shock or
a re. In case of a re, cut o the power at the rst time; do not touch the electrical parts by hand to avoid electric shock
hazard.
● These products are equipped with electrical parts. Do not pour water into the indoor or outdoor unit. Otherwise, it will cause
a serious electrical failures.
● Do not open the service cover of the indoor or outdoor units without turning OFF the main power supply, otherwise it may
cause a serious safety accident. (In any cases, users of the equipment are not allowed to open the service cover).
● Do not touch or adjust safety devices inside the indoor unit or outdoor units. If these devices are touched or readjusted, it
may cause a serious accident.
● Refrigerant R410A for this unit is incombustible, non-toxic and odorless; however if the refrigerant is leaked and is
contacted with re, toxic gas will generate. Also because the R410A is heavier than air, the oor surface will be lled with
it, which could cause diculty with breathing due to insucient air. Turn OFF the main switch, extinguish any naked ames
and contact your service contractor, if refrigerant leakage occurs. Do not charge oxygen, acetylene or other ammable and
poisonous gases into the refrigerant cycle when performing a leakage test or an air-tight test. These types of gases can
cause an explosion. It is recommended that nitrogen be used for these types of tests.
● Refrigerant safety leakage standards for construction and operation systems are determined in accordance with local
regulations or standards.
● Use an ELB (Earth Leakage Breaker,with an actuation time of 0.1 second or less) at or above medium induction speed,
otherwise it may cause an electric shock or a re.
● For installation, rmly connect the refrigerant pipe before the compressor starts operating.
● For maintenance, relocation and disposal, remove the refrigerant pipe after the compressor stops.
● Do not perform a short-circuit of the protection device such as a pressure switch when operating. It may cause a re and
explosion.
● Do not use any sprays such as insecticide, lacquer, hair spray or other ammable gases within approximately 3.3ft. (1m)
from the system.
● If circuit breaker is often activated, stop the system and contact your dealer or service contractor.
Check that the ground wire is securely connected. If the unit is not correctly grounded, it leads electric shock. Do not
connect the ground wiring to gas piping, water piping, lighting conductor or ground wiring for telephone.
● Before performing any brazing work, check to ensure that there is no ammable material around. When charging refrigerant
be sure to wear leather gloves to prevent cold injuries.
● Protect the wires, electrical parts, etc. from rats or other small animals. If not protected, rats may gnaw at unprotected parts
and which may lead to a re.
● Fix the cables securely. External forces on the terminals could lead to a re.
● Provide a suciently strong foundation. If not, the unit may fall down and it may lead to injuries.
● Perform electrical work according to Installation Manual and all the relevant regulation and standards.
● If the instructions are not followed, an electrical failure and re may occur due to insucient capacity and inadequate
performance. Use specied cables between units and choose the cables correctly. If not, an electrical failure or a re may
break out.
● Ensure that the outdoor unit is not covered with ice and snow before use.
● This appliance is not intended for use by persons (including children aged under 8) with reduced physical, sensory or
mental capacities, or lack of experience and knowledge, unless they have been given supervision or instruction by a
responsible
person concerning use of the appliance and hazard involved to ensure that they can use it safely. Children shall not play
with the appliance. Cleaning and maintenance shall not be made by children without supervision.
● The A-weighted emission sound pressure level at workstations does not exceed 70 dB(A).
● Cancer and reproductive harm-www.P65Warnings.ca.gov.
● Take measures to ensure that the refrigerant limitations in ASHRAE Standard 15 (Canada: B52) or other local codes, are
followed. If refrigerant gas has leaked during the installation work, ventilate the room immediately.
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