AUX Air Conditioner Service manual
24
4. Ventilation control function
4.1. At ventilation mode.outdoor unit is always closed.
4.2. indoor fan functions according to set air input.without high power wind.
4.3. vertical air blade operates according to operating requirement of remote control.
4.4. without sleep function.have got timing function.
5. Heating Function
5.1. In heating mode.temperature range is setted between 16℃ and 32℃.
5.2. While in heating function.the compressor cannot be closed within the first 3 minutes.Compressor
can only be closed by changing function mode or turning off the machine.
5.3. Have got function of compensating temperature for 3℃. 3℃ Below measured temperature at air
inlet is considered the compared value to set temperature. (The others modes doesn't have this
function)
5.4 According to the setting temperature. The condition of compressor working is indoor
temperature-3℃≤set temperature-1℃.stoping condition is indoor temperature≥set temperature＋1℃.
When room temperature =set temperature.keeping the original state.
5.5. Blow rest heat energy function: the indoor fan motor will run in the mute model on the condition
of indoor coil temperature > 30℃.the indoor fan motor will turn off when the indoor coil temperature
fall to below 30℃.and residual heating function will last less than 40s.And the four-way valve change
in 2min.
5.6. indoor fan motor control：
5.6.1. Heating defend cold wind and blow rest heat energy function：
The wind speed of indoor fan motor can be controlled by T inter- panel. as the following :
Compressor working to prevent cold wind.
1) When the T e(evaporator) presents rising state.WhenT e ＜25℃. indoor fan motor will turn off.
When 25℃≤T e＜30℃.the indoor fan motor will blow feeble wind model. When 30℃≤T e＜38℃.the
indoor fan motor will be in mute wind model. When T e≥38℃.the indoor fan motor will blow setting
wind speed.
2) When the T e presents falling state.When T e＞34℃. The indoor fan motor will blow setting wind
speed; when 28℃＜T e≤34℃.the indoor fan motor will be in mute wind model. When 23℃＜T
e≤28℃.the inter- fan motor will be in the feeble wind model. When the T e≤23℃.the inter- fan will
automatically trun off.
Picture1
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