Haier HSU18XH7-G Service Manual - Page 17

Value of Thermistor

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HSU-18 24HEK13/R2 Functions and Control 5.1.8.4 Enter emergency operation from timer mode, then timer is cancelled. 5.1.9 Test run: 5.1.9.1 The temperature sensor of inlet air doesn't work, and compressor starts (but subject to the limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is closed 5.1.9.2 During test run: The prevention of freezing of evaporator doesn't work. Current cross control doesn't work. The control of current cross peak expiration doesn't work. Temperature control doesn't work. Temperature expiration control doesn't work. 5.1.10 memory function The memory function of power down is available, and the auto recovery function of power on is optional. (In auto, heating, cooling, or defrosting status, press the "sleeping" button 10 times within 5 seconds, and the auto recovery function of power on can be set on/off. If the buzzer rings 4 times, the the auto recovery function of power on is available; If the buzzer rings 2 times, the the auto recovery function of power on is unavailable.) If there is no EEPROM, the unit is taken off the 'off' function of the memory function of power down. But the memory function of power down can also be set on/off, and the data is the default value of chip. 5.1.11 Alarm from indoor fan motor: 2 minutes later after the indoor fan motor is charged, and the impulse from fan motor is not detected, hen send alarm signals. 5.2 Value of Thermistor 5.2.1 Indoor unit R25 =23K ±3.5% B25 /50 =4200K±3% Temp.( ) Max.(K ) -30 568.8372 -29 530.9600 -28 495.8488 -27 463.2850 -26 433.0683 -25 405.0156 -24 378.9588 -23 354.7440 -22 332.2300 -21 311.2873 -20 291.7969 -19 273.6494 -18 256.7445 -17 240.9897 -16 226.3000 -15 212.5973 Room sensor Normal(K ) 501.0746 468.6491 438.5314 410.5433 384.5212 360.3153 337.7879 316.8126 297.2732 279.0627 262.0831 246.2437 231.4612 217.6590 204.7662 192.7176 Min.(K ) 440.8435 413.1441 387.3645 363.3602 340.9980 320.1558 300.7211 282.5905 265.6686 249.8676 235.1067 221.3111 208.4122 196.3462 185.0545 174.4829 Tolerance( ) -1.97 1.75 -1.95 1.74 -1.93 1.72 -1.91 1.71 -1.90 1.70 -1.88 1.69 -1.86 1.67 -1.84 1.66 -1.82 1.64 -1.80 1.63 -1.78 1.62 -1.76 1.60 -1.74 1.59 -1.72 1.57 -1.70 1.56 -1.68 1.54 15 Domestic Air Conditioner

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Domestic Air Conditioner
Functions and Control
5.1.8.4 Enter emergency operation from timer mode, then timer is cancelled.
5.1.9 Test run:
5.1.9.1 The temperature sensor of inlet air doesn’t work, and compressor starts (but subject to the
limit of -minute delay excluding the first time), and high wind, cooling, and air door is open.The indoor fan
motor runs, running indicator lights up, compressor relay and the one of outdoor fan motor is closed
5.1.9.2 During test run:
The prevention of freezing of evaporator doesn’t work.
Current cross control doesn’t work.
The control of current cross peak expiration doesn’t work.
Temperature control doesn’t work.
Temperature expiration control doesn’t work.
5.1.10 memory function
The memory function of power down is available, and the auto recovery
function of power on is optional. (In auto, heating, cooling, or defrosting status, press the “sleeping”
button 10 times within 5 seconds, and the auto recovery function of power on can be set on/off. If the
buzzer rings 4 times, the the auto recovery function of power on is available; If the buzzer rings 2 times,
the the auto recovery function of power on is unavailable.)
If there is no EEPROM, the unit is taken off the ‘off’ function of the memory function of power down.
But the memory function of power down can also be set on/off, and the data is the default value of chip.
5.1.11 Alarm from indoor fan motor:
2 minutes later after the indoor fan motor is charged, and the
impulse from fan motor is not detected, hen send alarm signals.
5.2 Value of Thermistor
5.2.1 Indoor unit
Room sensor
R25
=23K
±3.5%
B25
/50
=4200K±3%
Temp.(
)
Max.(K
)
Normal(K
)
Min.(K
)
Tolerance(
)
-30
568.8372
501.0746
440.8435
-1.97
1.75
-29
530.9600
468.6491
413.1441
-1.95
1.74
-28
495.8488
438.5314
387.3645
-1.93
1.72
-27
463.2850
410.5433
363.3602
-1.91
1.71
-26
433.0683
384.5212
340.9980
-1.90
1.70
-25
405.0156
360.3153
320.1558
-1.88
1.69
-24
378.9588
337.7879
300.7211
-1.86
1.67
-23
354.7440
316.8126
282.5905
-1.84
1.66
-22
332.2300
297.2732
265.6686
-1.82
1.64
-21
311.2873
279.0627
249.8676
-1.80
1.63
-20
291.7969
262.0831
235.1067
-1.78
1.62
-19
273.6494
246.2437
221.3111
-1.76
1.60
-18
256.7445
231.4612
208.4122
-1.74
1.59
-17
240.9897
217.6590
196.3462
-1.72
1.57
-16
226.3000
204.7662
185.0545
-1.70
1.56
-15
212.5973
192.7176
174.4829
-1.68
1.54
HSU-18 24HEK13/R2
15