Panasonic CS-F24DB4E5 Service Manual page 72

10.5.10. Connecting power supply cables
CAUTION
• For three phase model, never operate the unit by pressing the electromagnetic switch.
• Never correct the phase by switching over any of the wires inside the unit.
10.5.11. Precautions with regard to test operation
• Use only insulation tool to the switch on the microswitch on the electric circuit board. (Do not use
your finger or a metallic object.)
• Do not switch on power before all installation is completed.
• For 3 phase power, make sure the phases are connected correctly. (If the phases are connected
incorrectly, LED indicator on the electric circuit board will start flashing.)
• After power on, make sure the voltage is 90% - 110% of the rated voltage.
• May use remote control or corresponding switches on the control panel of the outdoor unit to initiate
"Test run". If "Test Run" is initiated using remote control, refer to indoor unit installation.
• Test run consists of cooling and
function).
• Press and hold SW1 more than 1 second. In DS1, under different setting condition, outdoor unit will
perform "cooling" test run or "heating" test run.
(Must first select "cooling" mode.)
* When operation mode changes, the compressor stops operation momentary.
• Press SW1 again to cancel test run.
• If outdoor temperature is high during "heating" test run, or low during "cooling" test run, the protection system in the system will be activated
within several minutes.
NOTE 1 These units are equipped with connection error prevention circuits. If the units do not operate, it is possible that the connection
error prevention circuits have been operated. In such cases, check that the Indoor/outdoor unit connection wire (connected to
terminals
should then commence.
heating modes (Single mode unit does not have heating
DS1
1 2
ON OFF
ON ON
OFF OFF
, and ) is connected correctly. If they are connected incorrectly, connect them correctly. Normal operation
Operation mode
3 4
X X "Cooling" test run
X X "Heating" test run
X X PUMP DOWN
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