Panasonic WH-SHF09D3E5, Service Manual

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CAUTION
WARNING
WARNING
1. Safety Precautions
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Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.
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Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating and main
circuit for the model installed.
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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.
This indication shows the possibility of causing injury or damage to properties.
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The items to be followed are classified by the symbols:
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Carry out test run to confirm that no abnormality occurs after the servicing. 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.
1. Do not modify the machine, part or material during repairing service.
2. If wiring unit is supplied as repairing part, do not repair or connect the wire even partial wire break. Exchange the whole wiring unit.
3. Do not wrench the fasten terminal. Pull it out or insert it straightly.
4. Do not install outdoor unit near handrail of veranda. When installing outdoor unit at veranda of high rise building, child may climb up to
outdoor unit and cross over the handrail and causing accident.
5. 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.
6. Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
7. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.
8. Do not sit or step on the unit, you may fall down accidentally.
9. Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
10. Do not use pipe wrench to install refrigerant piping. It might deform the piping and cause the unit to malfunction.
11. Do not purchase unauthorized electrical parts for installation, service, maintenance and etc.. They might cause electrical shock or fire.
12. Do not modify the wiring of indoor/outdoor unit for installation of other components (i.e. heater, etc). Overloaded wiring or wire
connection points may cause electrical shock or fire.
13. Do not add or replace refrigerant other than specified type. It may cause product damage, burst and injury etc.
14. For electrical work, follow local wiring standard, regulation and this installation instruction. An independent circuit and single outlet must be
used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire.
15. For water circuit installation work, follow to relevant European and national regulations (including EN61770) and local plumbing and building
regulation codes.
16. Engage dealer or specialist for installation or servicing. If the installation or servicing done by the user is defective, it will cause water leakage,
electrical shock or fire.
17. This is a R407C model, when connecting the piping, do not use any existing (R22) pipes and flare nuts. Using such same may cause
abnormally high pressure in the refrigeration cycle (piping), and possibly result in explosion and injury. Use only R407C refrigerant.
Thickness or copper pipes used with R407C must be 0.8 mm or more. Never use copper pipes thinner than 0.8 mm.
It is desirable that the amount of residual oil is less than 40 mg/10 m.
18. When install or relocate Air to Water Heatpump indoor/outdoor unit, do not let any substance other than the specified refrigerant, eg. air etc
mix into refrigerant cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
This symbol denotes item that is PROHIBITED from doing.