Haier HSM18HEKC03/R2 Service Manual

Haier HSM18HEKC03/R2 Service Manual Manual pdf 17 page image

HSM18HEKC/HRAC03/R2(DB)HUM18HC03/R2(DB)-SM Function and controlDomestic Air Conditioner155.1.3 Demoisture mode.* temperature control range: 16---30ć* temperature difference: ±1ćControl feature: send the demoisture signal to the outdoor system.When Tr>Ts+2 , the compressor will be turned on, the indoor fan will operać te at the set speed.When Tr is between the Ts and Ts+2 , the outdoor system will operate at the high demoisturećfrequency for 10 minutes and then at the low demoisture mode for six minutes. The indoor fanwill operate at low speed.When Tr< Ts, the outsystem will be stopped, the indoor fan will be stopped for 3 minutes andthen turned to the low speed option.All the frequency converses have a ±1 difference.ć* Wind speed control: Automatic:When Tr >= Ts+ 5 , high speed.ćWhen Ts+3ć≤Tr< Ts+5 , medium spć eed.When Ts+2ć≤Tr< Ts+3 , low speed.ćWhen Tr , light speed.ćIf the outdoor fan stopped, the indoor fan will be paused for 3 minutes.If the outdoor fan stopped for more than 3 minutes and the outdoor system still operates, thesystem will be changed into light speed mode.When the airflow speed has no delay from the high to low switching, the speed should bedelayed for 3 minutes (remain at high speed for 3 minutes.) before the next switch.Manual: When the sensor is off or Tr< Ts+3 , the manual operać tion can not be made. (obligatoryautomatic operation.)*Airgate location control: the location for the airgate can be set according to your needs.*Defrosting function: preventing the frosting on the indoor heat exchanger (when cooling ordemoisture). When the compressor works continuously for 1/6 minutes (adaptable in EEPROM)and the temperature of the indoor coils has been below zero centigrade for 10 seconds, thecompressor will be stopped and the malfunction will be recorded in the malfunction list. Theindoor system will continue to run. When the temperature of the indoor coil is raised to 7 , thećcompressor will be restarted again (the prerequirement of 3 minutes’ delay should be satisfied.)* coil protection (synchronic overheating protection) are installed for the four directions latchmalfunctions when demoisturing.* timing system on/off function.* Dormant control function.5.1.4 Heating operation mode.* temperature control range: 16---30ć* temperature difference: ±1ć* control feature: the temperature compensation is automatically added and the system will send theheating signals to the outdoor system.If Tr≤Ts, the outdoor compressor is turned on, the indoor fan will be at the cold air proof mode.If Tr>Ts+3, the outdoor system is turned off, the indoor fan will be at the heat residue sending mode.I f Trˈthe outdoor system will be turned on again, the indoor fan will be at the cold air proofmode.