1、The dual power placed in the adjustment stage, according to the phase and neutral line (zero line) Bitwise docking, not connected correctly.
2、When the three-pole switch wiring, often with alternate zero line terminal must be connected to the zero line (NN and RN) position.
3、After the wiring is complete, you need to check the line again, and then open the Debug station master switch, open common and standby power.
4、Set dual power in the automatic recovery mode, two-way power under normal working conditions, the switch should be automatically converted to common power bits.
5、Setting common power NA, NB, NC, NN arbitrary phase off-phase, dual power supply should be switched to an alternate power source, such as a common power supply back to normal, should be re-converted to a common power supply.
6、Regulate common power any one phase to a predetermined voltage value (ie undervoltage condition), dual power should be switched to standby power. When normal power supply back to normal, should be re-converted to a common power supply.
7、Such as backup power at any phase phase failure, the alarm should disseminate alarm.
8、Common power supply and backup power disconnect any phase, corresponding to the displayed value should correspond to the disappearance of the controller.
9、When set to manual operation mode dual power supply, manual operation via the controller buttons, to be used freely between the power supply and backup power conversion, display accurate.
10、Operation Dual points buttons on the controller. Dual power need to be breaking with the usual time and standby power, hit double points position.
11、Adjust the multimeter to the voltage AC750V stalls were detected common power supply and standby power indicator output terminal voltage.
12、Such as dual power switch comes with a generator function, regulation of the multimeter to the buzzer stalls, surveying the generator signal terminal, when the normal power supply is normal, the buzzer does not sound. When normal power supply or all of the A-phase power, distributing buzzer beeps, if common power supply and no electricity generation understand explanation does not ring the buzzer signal a problem.
13、When the switch with DC24V firefighting capabilities, with DC24V voltage survey fire alarm terminals, power positive and negative corresponding positive and negative port mouth, this time powered dual power switch should be automatic dual-minute breaking terminals.
14、When exceptional circumstances, when required by the manual operation switch, first by the controller to operate the double points, then with a special handle switch. Switch can not turn in the wrong direction or excessive force.
15、When the dual power debugging, first be sure that turn off the power and then release all the power cable. Countersigned breaking power lines. Reminder: Do not plug the power cord in an energized state, terminals and other aircraft aviation plug.