Heiko JS035-C1, Service Manual

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Dimensional drawings
18
Domestic air conditioner
* After the system enters the separate indoor system operation mode, the indoor system will operate
according to the set mode and neglect the communication signals of the outdoor system. However, it
has to send signals to the outdoor system.
* Quitting condition: This mode can be quitted after receiving the quitting signal from the remote
control or urgency system. The indoor system thus can quit the single operation mode.
7.1.16 Power cut compensation
* Entering condition: Press dormant button 10 times within 7 second, the buzzer will ring 4 times and
the 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 as
the 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.
7.1.17 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 thermistor
Room sensor and Pipe Sensor
Room sensor
R25
℃
=23K
Ω ±
2%
B25
℃
/50
℃
=4200K
±
1%
R25 ℃ =23K Ω +2%
Temp.(
℃
) Resistor
（
K Ω
）
Temp.
（℃）
Resistor
（
K Ω
）
Temp.
（℃）
Resistor
（
K Ω
）
-20 266.905 18 32.215 56 6.1
-19 250.866 19 30.671 57 5.87
-18 235.895 20 29.21 58 5.65
-17 221.911 21 27.828 59 5.44
-16 208.838 22 26.521 60 5.24
-15 196.609 23 25.283 61 5.04
-14 185.163 24 24.111 62 4.86
-13 174.443 25 23 63 4.68
-12 164.399 26 21.94 64 4.51
-11 154.983 27 20.94 65 4.35
-10 146.153 28 19.99 66 4.19
-9 137.87 29 19.09 67 4.04
-8 130.096 30 18.23 68 3.9
-7 122.799 31 17.42 69 3.76
-6 115.946 32 16.65 70 3.63