Haier AW07LC2VHA [11/30] Cn2 cn3
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Haier AW07LC2VHA [11/30] Cn2 cn3

Haier AW07LC2VHA [11/30] Cn2 cn3

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Step 5 Electrical Connections Wiring Error Check ENGLISH This unit is capable of automatically checking for wiring errors between the indoor and outdoor units Illustration 6 IIIIIIIIInLI1I I CN2 CN3 To enter the wiring error check test place all 4 DIP switches of the test board to the ON position Illustration 6 Remove and reapply power to the unit the system will enter the operation of Wiring Error Check The numeric display will initialize and begin to alternate between the compressor working frequency a number representing the Hz value and CH Checking As the check is being performed all units that are properly connected will be indicated by the corresponding LED for that circuit being lit constantly LED 1 piping circuit A LED 2 piping circuit B 12345 After the check has completed if all wiring is correct the numeric display will indicate 0 and the single LEDs representing the individual circuits for the connected indoor units will be lit constantly If there are any miswired units the numeric display will flash EC error connection and th corresponding LED for the miswired circuit will flash Check and correct the wiring as needed Refer to the chart shown below Table 2 When the test is complete remove power to the system and return the 4 DIP switches to the OFF position Reapply power to the the system The test is complete If the self check is not possible check the indoor unit wiring and piping in the usual manner Table 2 LED 1 2 3 4 5 OFF Unit not connected Automatic checking impossible all units connect wrong ALL Flashing ALL ON Status Message All units connect correctly ON FLASHING FLASHING ON FLASHING ON unit connect correctly FLASHING unit connect wrong need to change the wiring manually between 2 3 and 5 ON FLASHING FLASHING ON ON ON unit connect correctly FLASHING unit connect wrong need to change the wiring manually between 2 3 Only one LED flashing INSTALLATION Abnormal PAGE 11

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