Haier HSU09 VHG(DB)-G&W Service Manual

Contents

HSU09VHG(DB)-SM Funcitions and Control15Domestic Air Conditioner5.1.3 Demoisture mode.* temperature control range: 16---30ć* temperature difference: 1ćControl feature: send the demoisture signal to the outdoor system.When Tr>Ts+2ć, the compressor will be turned on, the indoor fan will operate at the set speed.When Tr is between the Ts and Ts+2ć, the outdoor system will operate at the high demoisturefrequency for 10 minutes and then at the low demoisture mode for six minutes. The indoor fan willoperate at low speed.When Tr< Ts, the outsystem will be stopped, the indoor fan will be stopped for 3 minutes and thenturned to the low speed option.All the frequency converses have a f1ć difference.* Wind speed control: Automatic:When Tr≥ Ts+ 5ć, high speed.When Ts+3ćTr< Ts+5ć, medium speed.When Ts+2ćTr< Ts+3ć, low speed.When Trć, light speed.If 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, the systemwill be changed into light speed mode.When the airflow speed has no delay from the high to low switching, the speed should be delayed for3 minutes (remain at high speed for 3 minutes.) before the next switch.Manual: When the sensor is off or Tr< Ts+3ć, the manual operation 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) andthe temperature of the indoor coils has been below zero centigrade for 10 seconds, the compressorwill be stopped and the malfunction will be recorded in the malfunction list. The indoor system willcontinue to run. When the temperature of the indoor coil is raised to 7ć, the compressor will berestarted 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 functio n.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 TrTs, the outdoor compressor is turned on, the indoor fan will be at the cold air proof mode.If Tr>Ts+, the outdoor system is turned off, the indoor fan will be at the heat residue sending mode.If Tr