Panasonic CU-YL28HBE5, Service Manual

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10.2.13. As To Making The Inspection After Completion Of Work Fully Understood
• At the time when the work has been completed, measure and record the characteristics of test run without fail and keep the
measuring date, etc.
• Carry out the measurement regarding room temperature outside air temperature, suction and air discharge temperatures, wind
velocity, wind volume, voltage current, presence of abnormal vibration, operating pressure, piping temperature, compressive
pressure, airtight pressure as items to be measured.
• As to the structure and appearance, check following items.
10.2.14. As To Delivery To The Customer
• Request the customer to operate this air conditioner viewing instruction manual come with indoor unit in practice and explain
how to operate.
• Deliver the instruction manual to the customer without fail.
NOTE 2 Do not short the remote control unit wires to each other. (The protection circuit will be activated and the units will not operate.)
Once the cause of the short is eliminated, normal operation will then be possible.
NOTE 3 When running the units in heating mode during test operation, be sure to run the units in cooling mode first before selecting this
mode. If heating mode is selected first, it may cause problems with operation of the compressor.
NOTE 4 Test operation should be carried out for a minimum of 5 minutes. (Test operation will be cancelled automatically after 30
minutes.)
NOTE 5 Test operation mode should always be cancelled once test operation itself has been completed.
NOTE 6 If the self-diagnosis function reports a problem but more than one problem has developed at the indoor and/or outdoor units, the
problem display on the remote control unit may not match the LED display on the outdoor unit printed circuit board. In such
cases, check both locations and remove the causes of the problems.
Short circuit of the blow-out air Mistake in wiring
Smooth flow of the drain Reliable connection of the grand wire
Reliable thermal insulation Looseness in terminal screw, fastening torque
Leakage of refrigerant M3… 69-98N•cm{7-10kgf•cm} M4…157-196N•cm{16-20kgf•cm}
M5… 196-245N•cm{20-25kgf•cm}