Panasonic CU-5E36QBU service manual Safety Precautions

Page 3

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.

WARNING

CAUTION

This indication shows the possibility of causing death or serious injury.

This indication shows the possibility of causing injury or damage to properties.

The items to be followed are classified by the symbols:

This symbol denotes item that is PROHIBITED from doing.

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.

WARNING

1.Do not modify the machine, part, material during repairing service.

2.If wiring unit is supplied as repairing part, do not repair or connect the wire even only partial wire break. Exchange the whole wiring unit.

3.Do not wrench the fasten terminal. Pull it out or insert it straightly.

4.Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire.

5.Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electric shock or fire.

6.Use the attached accessories parts and specified parts for installation and servicing. Otherwise, it will cause the set to fall, water leakage, fire or electrical shock.

7.Install at a strong and firm location which is able to withstand the set’s weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury.

8.For electrical work, follow the local national wiring standard, regulation and the 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.

9.This equipment is strongly recommended to install with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case equipment breakdown or insulation breakdown.

10.Do not use joint cable for indoor/outdoor connection cable. Use the specified indoor/outdoor connection cable, refer to Installation Instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor/outdoor connection. Clamp the cable so that no external force will be acted on the terminal. If connecting or fixing is not perfect, it will cause heat up or fire at the connection.

11.Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will cause heat-up or fire at the connection point of terminal, fire or electrical shock.

12.When install or relocate 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.).

13.Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit at veranda of high rise building, child may climb up to outdoor unit and cross over the handrail and causing accident.

14.This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electric shock in case equipment breakdown or insulation breakdown.

15.Keep away from small children, the thin film may cling to nose and mouth and prevent breathing.

16.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.

17.Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the

flare may break and cause refrigerant gas leakage.

3

Image 3
Contents Destination Canada Air Conditioner Outdoor UnitTable of Contents Safety Precautions Page Outdoor Unit SpecificationsOutdoor Unit ∙ Multi Split Combination Possibility Room Indoor Unit Capacity Total Indoor Dimensions Refrigeration Cycle Diagram Block Diagram Electronic Controller Noise Filter WiringElectronic Circuit Diagram Main Printed Circuit Board Printed Circuit BoardPage Check Points Installation InformationSelect The Best Location Installation InstructionConnect The Piping Install The Outdoor UnitCutting and Flaring the Piping Evacuation Of The EquipmentHeat Insulation Connect The Cable To The Outdoor UnitDisposal Of Outdoor Unit Drain Water Outdoor fan control Cooling Powerful OperationOperation Control Cooling OperationPowerful Operation Heating OperationHeating Room Temp Sampling Control Simultaneous Operation Control Freeze Prevention control Cool Electronic Parts Temperature Rise Protection 1 CoolElectronic Parts Temperature Rise Protection 2 Cool Protection ControlHeating overload control Heat Cooling overload control Cool13.10 30 seconds Force Operation Time Delay Safety Control Restart ControlIPM power transistor Protection Control Deice ControlCompressor Protection Control Gas leak detection control Valve close detection controlCompressor discharge high pressure protection control Servicing Mode Pump down operation SW1Test Run Operation Cooling only function Wiring Error CheckPower Save Mode Mode priority functionSelf Diagnosis Function Troubleshooting GuidePage Page Remove the Control Board Cover and Particular Plates Disassembly and Assembly InstructionsOutdoor Unit Removal Procedure Removing the Cabinet Top PlateRemoving the Cabinet Front Plate Removing the Propeller Fan and Fan Motor Removing the Control P.C. BoardTechnical Data Operation CharacteristicsOne Indoor Unit Operation Page Page Page Page Page Page Page Two Indoor Unit Operation Page Page Page Page Page Page Page Page Page Page Page Three Indoor Unit Operation Page Page Page Page Page Page Page Four Indoor Unit Operation Page Five Indoor Unit Operation Page Exploded View and Replacement Parts List Safety REF.NO Description & Name QTY CU-5E36QBU Remark Installation Instruction