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Chapter
Chapter
Chapter
Chapter4
4
4
4.
.
.
. Inverter Operation
Inverter Operation
Inverter Operation
Inverter Operation
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MANUAL
UAL
UAL
UAL
(4) Digital input 12~16: These input terminals can be customized for various purposed. The
functions that are allocated to the numbers are as follows.
0: [Displays ‘NoUsed’] No function. Terminal is not used.
1: [Displays ‘TR OTF’] TRansformer Over-Temperature Fault. Input terminal is used for
monitoring ‘over-temperature fault’ state of the transformer.
Close: [green light] ‘transformer over-temperature fault’ has occured.
Open: [no light] normal state.
2: [Displays ‘TR OTA’] Transformer Over-Temperature Alarm. Input terminal is user for
monitoring ‘over-temperature alarm’ state of the transformer.
Close: [green light] ‘transformer overtemperature alarm’ has occured.
Open: [no light] no function.
3: [Displays ‘Door OP’] Door Open. Input terminal is used for monitoring door open/close.
Close: [green light] door is opened.
Open: [no light] no function.
4: [Displays ‘FLOW SW’] FLOW SWITCH. Input terminal is used for monitoring the state of
the wind flow sensor (Flow switch). Wind flow sensor detects the flow of wind.
Close: [green light] flow switch ‘ON’.
Open: [no light] flow switch ‘OFF’.
[Caution]
This input terminal is monitored by the main controller only while the
inverter is running.
5: [Displays ‘K3’] Monitors the ON/OFF signal of bypass circuit breaker.
[reference 8]
Close: [green light] Bypass circuit breaker ‘ON’.
Open: [no light] Bypass circuit breaker ‘OFF’.
6: [Displays ‘EX FLT2’] External FauLT 2. Monitors fault of the external equipment.
Close: [green light] ‘external fault’ has occured.
Open: [no light] no function.
