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1. Safety Precautions
Read the following “SAFETY PRECAUTIONS” carefully before installation.
This installation manual must be used together with another installation manual incorporated in applicable outdoor unit as
complete full set of instructions.
complete full set of instructions.
Confirm the type of gas used before installation.
Electrical work must be installed by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit
for the model to be installed.
for the model to be installed.
The caution items stated here must be followed because these important contents are related to safety. The meaning of each
indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the
seriousness is classified by the following indications.
indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the
seriousness is classified by the following indications.
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties only.
The items to be followed are classified by the symbols:
Symbol with white background denotes item that is PROHIBITED.
Symbol with dark background denotes item that must be carried out.
Carry out test running to confirm that no abnormality occurs after the installation. Then, explain to user the operation, care
and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.
and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.
This appliance is not intended for accessibility by the general public.
WARNING
1.
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any
unfit method or using incompatible material may cause product damage, burst and serious injury.
unfit method or using incompatible material may cause product damage, burst and serious injury.
2.
Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit on veranda of a high rise building, child
may climb up to outdoor unit and cross over the handrail causing an accident.
may climb up to outdoor unit and cross over the handrail causing an accident.
3.
Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet
with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire.
with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire.
4.
The appliance shall be stored in a well ventilated room with indoor floor area larger than A
min
(m
2
) [refer Table A] and without
any continuously operating ignition source. Keep away from open flames, any operating gas appliances or any operating
electric heater. Else, it may explode and cause injury or death.
electric heater. Else, it may explode and cause injury or death.
5.
Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
6.
Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.
7.
Do not sit or step on the unit, you may fall down accidentally.
8.
The appliance shall be installed, and/or operated in a room with floor area larger than A
min
(m
2
) [refer Table A] and keep away
from ignition sources, such as heat/sparks/open flame or hazardous areas such as gas appliances, gas cooking, reticulated gas
supply systems or electric cooking appliances, etc.
supply systems or electric cooking appliances, etc.
9.
Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
10.
When installing or relocating air conditioner, do not let any substance other than the specified refrigerant, eg. air etc mix into
refrigeration cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion,
injury etc.
refrigeration cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion,
injury etc.
11.
Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, flame, sparks, or other sources of
ignition. Else, it may explode and cause injury or death.
ignition. Else, it may explode and cause injury or death.
12. Do not add or replace refrigerant other than specified type. It may cause product damage, burst and injury etc.
13.
Do not perform flare connection inside a building or dwelling or room, when joining the heat exchanger of indoor unit with
interconnecting piping. Refrigerant connection inside a building or dwelling or room must be made by brazing or welding. Joint
connection of indoor unit by flaring method can only be made at outdoor or at outside of a building or dwelling or room. Flare
connection may cause gas leak and flammable atmosphere.
interconnecting piping. Refrigerant connection inside a building or dwelling or room must be made by brazing or welding. Joint
connection of indoor unit by flaring method can only be made at outdoor or at outside of a building or dwelling or room. Flare
connection may cause gas leak and flammable atmosphere.
14.
For R410A/R32 model, use piping, flare nut and tools which is specified for R32 refrigerant. Using of existing (R22) piping, flare nut
and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.
and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.
Thickness for copper pipes used with R32 must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm.
It is desirable that the amount of residual oil less than 40 mg/10 m.
15.
Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage, electrical
shock or fire.
shock or fire.
16.
For refrigeration system work, install according to this installation instructions strictly. If installation is defective, it will cause water
leakage, electrical shock or fire.
leakage, electrical shock or fire.
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