Safety Precautions - Panasonic CS-RZ25VKRW Service Manual

1. Safety Precautions


Read the following "SAFETY PRECAUTIONS" carefully before perform any servicing.

Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the
power plug and main circuit for the model 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 or servicing due to ignoring of the instruction
will cause harm or damage, and the seriousness is classified by the following indications.
This indication shows the possibility of causing death or serious injury.
WARNING
This indication shows the possibility of causing injury or damage to properties only.
CAUTION

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.
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any
1.
unfit method or using incompatible material may cause product damage, burst and serious injury.
Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit on veranda of a high rise building, child
2.
may climb up to outdoor unit and cross over the handrail causing an accident.
Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet
3. with other electrical appliances.
Poor contact, poor insulation or over current will cause electrical shock or fire.
4. Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
5. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.
6. Do not sit or step on the unit, you may fall down accidentally.
7. Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
When installing or relocating air conditioner, do not let any substance other than the specified refrigerant, eg. air etc mix into
8. refrigeration cycle (piping).
Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, flame, sparks, or other sources of
9. ignition.
Else, it may explode and cause injury or death.
10. Do not add or replace refrigerant other than specified type. It may cause product damage, burst and injury etc.

For 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.
11.

Thickness or 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.
Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage,
12.
electrical shock or fire.
For refrigeration system work, Install according to this installation instructions strictly. If installation is defective, it will cause water
13.
leakage, electrical shock or fire.
Use the attached accessories parts and specified parts for installation. Otherwise, it will cause the set to fall, water leakage, fire
14.
or electrical shock.
Install at a strong and firm location which is able to withstand weight of the set. If the strength is not enough or installation is not properly
15.
done, the set will drop and cause injury.
For electrical work, follow the wiring rules AS/NZS 3000, national regulation, legistration and this installation instructions. An
16. independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found in the electrical work, it will
cause electrical shock or fire.
Do not use joint cable for indoor/outdoor connection cable. Use the specified indoor/outdoor connection cable, refer to instruction
CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor/outdoor connection. Clamp the cable so that no external
17.
force will have impact on the terminal.
If connection or fixing is not perfect, it will cause heat up or fire at the connection.
Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly,
18.
it will cause fire or electrical shock.
WARNING
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