HSU24VCK-SM
  Functions and Control
 
 DomesticAirConditioner 
12
hours and then close. 
 
5.1.6.2 In heating mode, the temp. setting decrease 3eF one hour after start up. After another hour the 
temp. setting decrease by more 3eF. After 3 hours the temp. setting rise by 1eF and then run 
continuously for another 3 hours and then close
 
 
5.1.6.3 If the wind speed is set to high before going to bed, the wind speed become medium after 
start up; If the wind speed is set to medium before going to bed, the wind speed become low after start 
up; If the wind speed is set to low before going to bed, the wind speed keep unchanged. 
 
5.1.7  Emergency switch imput: 
5.1.7.1 Press the switch of emergency operation, then buzzer rings once and unit enters the 
automatic operation mode. (emergency operation) 
5.1.7.2 If the switch is kept pressed for 5 seconds, buzzer ring two times and unit enter enter test 
run mode. 
5.1.7.3 Press the switch again, and then closes. 
5.1.7.4 Enter emergency operation from timer mode, then timer is cancelled. 
5.1.8 Test run: 
5.1.8.1 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 
5.1.8.2 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. 
5.1.9  memory function