Flepcher PA-4240D 운영 매뉴얼 - 페이지 10
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페이지 인쇄
O P E R A T I N G I N S T R U C T I O N
Monitor terminal (status output)
The use of the terminal, according to the case-channel power ON / OFF state
and the protection of the state, through the DC relay to control the spare
amplifier (another FLP-PA4500D) working condition.
The circuit is designed to monitor the terminal voltage of between 5 and 6 feet
5V; please currents when used in a closed environment below 200mA.
5V DC RELAY
(Standby amplifier FLP-PA4500D)
Thermal Protection
The temperature control circuit that combines with the heatsink controls
working status of the fan.
The fan works in the lowest speed when the temperature reaches 45
When the temperature is gradually approaches 70 , the thermal
protection circuit will increase the fan speed until it reaches the maximum
value.
Equipment grounding
The equipment enclosure ground terminal and ground power lines
common connection point.
Note: there should be a section of the protective ground to have
sufficient strength and current-carrying capacity, thereby ensuring
under fault conditions, exposed conductive parts will not lead to
shock, but not because of the current flowing through the point of
focus to produce high temperature heating phenomenon .
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