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Very good detail, all pages clear, exactly what I needed
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Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
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Excellent printing quality.
A complete and very usefull service manual with all details.
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We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
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We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
AY-A124E AE-A124E
18.Outputs in each operation mode Table Y-5
Compressor COOL Cooling Circulating Normal HEAT Preheat Air FLow Control On Defrost Cooling DRY Dehumidifying Circulating FAN ONLY ON OFF ON OFF ON ON ON ON OFF OFF Outdoor Fan motor ON OFF ON OFF ON OFF ON ON OFF OFF Indoor Fan motor ON ON ON ON/UL/OFF UL/OFF OFF L/UL UL/D D/OFF ON Valve coil OFF OFF ON ON ON OFF OFF OFF OFF OFF
19.Test mode 19-1 TEST 1 (For control circuit operation checking) Make terminals 1 and 2 of connector CN4 short-circuited and supply the power. Hereby the timer's period become shortened. In the mode, the control times are shortend. as follows. The operation LED flicker's period in Test run The protector timer The defrost timer Other controls; 1/60 (ex.; 3 min. to 3 sec.) 19-2 TEST 2 (For output of each operation checking) Keep pushing both the buttons, "AUX." and "TEST RUN", and supply the power, the system will go to the test 2 mode. In this mode, the output of operation is switched by pushing the "TEST RUN" button in the unit or the "OI" button in the remote controller. Use the "AUX." button to back to step 1. Normal outputs are shown in Table Y-6. 20.Trouble suspension When indoor fan motor is out of order or compressor-lock occurs, the compressor, indoor fan motor, outdoor fan motor, and louver are all stopped and the operation LED(red) turns off and the timer LED(yellow) turns on or off as follows.
1sec.
not shortened
TImer LED (yellow)
ON OFF
1sec. 4sec.
FigureY-15 In this case, when "OI" button in the remote controller or "AUX" button in the unit is pushed, the unit is out of "Trouble suspension".
14
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