Haier HSU-24H03/Z Service Manual

Also see for HSU-24C03/Z: Service manual Operation manual Manual Operation manual

Contents

(1)a. After the state of Tp- Tr<18 is continued for 5 minutes, the accumulatedrunning time of the compressor exceeds 45 minutes, the continuous runningtime of the compressor exceeds 20 minutes;b. The accumulated running time of the compressor exceeds 3 hours, thecontinuous running time of the compressor exceeds 20 minutes, indoor unit’s Tp<42 ;c. The continuous running time of the compressor exceeds 20 minutes, thetemperature of indoor coil pipe decreases 1 every 6 minutes, which lasts formore than 3 times, indoor unit’s Tp <42 ;d. When the indoor unit is in the state of overload protection and the outdoor unitceases, when the rerunning time of outdoor unit exceeds10 minutes, theaccumulated running time of the compressor exceeds 45 minutes, thecontinuous running time of the compressor is over 20 minutes, and Tp <42 .Defrosting will begin if one of the above conditions is met.(2) Defrosting finishing condition:If the defrosting time exceeds 9 minutes, the original heating state will beresumed;Defrosting process is as follows:55s1minIndoor fan Run on cool air-proofconditionOutdoor fan4-wayvalve9min55s1minDomestic Air Conditioner Model: HSU-24H03/ZModel: HSU-24C03/Z