Functions and control20 Domestic air conditionercan be confirmed and reported and the outdoor system will be stopped.7.1.16 Single indoor system operation* Enter condition: First, set the high speed airflow and 30 centigrade set temperature, then press thedormant keys for 6 times within 7 seconds, the system will feedback with 6 rings.* After the system enters the separate indoor system operation mode, the indoor system will operateaccording to the set mode and neglect the communication signals of the outdoor system. However, ithas to send signals to the outdoor system.* Quitting condition: This mode can be quitted after receiving the quitting signal from the remotecontrol or urgency system. The indoor system thus can quit the single operation mode.7.1.17 Power cut compensation* Entering condition: Press dormant button 10 times within 7 second, the buzzer will ring 4 times andthe present system status will be stored into the EEPROM of the indoor system.* After entering the power cut compensation mode, the processing of the indoor system should be asthe followings:Remote control urgency signal: operate according to the remote control and the urgent conditions,the present status will be stored into the EEPROM of the indoor system.* Quitting conditions: Press dormant button 10 times within 7 seconds and the buzzer will ring twice.7.1.18 Test programFirst, connect the test program terminal on the mainboard. Then connect the system to the powercircuit. The test program will operate as follows.HV series display: The buzzer rings for one time—the signal will be sent to outdoor system for 0.5second— the violet is sent for 0.5-- the background light turns to white—the back ground light turns towhite—the background light turns to white—the background light is fully lighted for 0.5 second—LEDscreen lights for 0.5 second— the step-in motor fully output for 0.5 second—then the motor doesn’toutput for 0.5 second—the motor fully output again for 0.5 second. The test program finishes.7.1.19 Time cutting function:Connect the test program terminal on the mainboard after connecting the system to the power circuit.The CPU of the main control will be 60 times faster.7.2 Value of thermistorRoom sensor and Pipe SensorRoom sensorB25 /50 =4200K±1%R25 =23K 2%