... 2.LED display 3.Fully-auto control CK200203 bus sub-engine air conditioner control panel: It is fully-automatically control the ... , air conditioner start, as well the cooling of the sub-engine Function: Fully-automatic control, cool, fresh air, memory, error alarm ... ) 7) Compressor clutch(max.1A)8) Excitation (max.1A)9) Engine start signal(max.1A) 10) Preheating signal(max.1A) 11 ...