| 摘要 |
PURPOSE: A circuit for supplying power of an air conditioner for a bus is provided to resolve problem of operational trouble of the air conditioner due to wrong operation of an operation panel of the air conditioner by allowing regular power supply stand-by status to be set by only operation of a switch of the air conditioner. CONSTITUTION: A battery relay(12) is switched on to allow power to be supplied to a front end of an air conditioner relay(13) when a battery switch(11) connected with a battery(10) is switched on. The air conditioner relay is switched on to supply power to an air conditioner operation panel(15) and an air conditioner switch(16) as an N terminal of an alternator(14) is output by cranking of an engine. An auxiliary relay(17) is connected between the alternator and the air conditioner relay in series, and impressed with power to be operated as the air conditioner switch is switched on, and allows the air conditioner relay to be driven. A starting switch(18) is connected with a front end of the air conditioner switch in series, and switched on to allow the air conditioner switch to be at power stand-by status.
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