Sierra Monitor Corporation IZS31 User Manual

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3.  DC mode 
Plasma ions or minus ions are continuously discharged. The parts other than the charged object need to 
be grounded to prevent them from being charged. The plasma and minus ions cannot be discharged 
simultaneously.  
 
 
3-2. Detection of the dirt on the electrode needle 
When the maintenance start-up signal is input, the ionizer detects if the static charge elimination 
capability is degraded due to the dirt on the electrode needle. If the electrode needle needs to be cleaned 
because of the degraded capability of the static charge, the maintenance LED lights up, and then the 
maintenance output signal is output. Because just installing the feed back sensor or auto balance sensor is 
not enough to detect if the static charge eliminating capability is degraded, regularly input the maintenance 
start-up signal to check the static charge elimination capability.   
 
3-3. Indication/ Setting part description 
 
 
 
 
 
 
 
 
 
 
 
 
No. 
Name   
Type  
Description 
① 
Power supply 
indication 
LED(Green)
Lights up green when the power supply is turned ON. 
Flashes when the power supply voltage is not proper.   
② 
Sensor connecting 
indication  
LED(Green)
Lights up when the feed back sensor and/or auto 
balance sensor is connected.   
③ 
Minus indication 
LED(Blue) 
④ 
Completion indication    LED(Green)
⑤ 
Plus indication 
LED
(Orange) 
LED will change depending on the operating modes.   
4. See the selection of models and setting. 
⑥ 
Indication for abnormal 
high voltage 
LED(Red) 
Lights on red when overcurrent is applied to the 
electrode needle.   
⑦ 
Sensor failure 
indication 
LED(Red) 
Lights on red when the feed back sensor and/or auto 
balance sensor is not operating properly.   
⑧ 
Maintenance indication  LED(Red) 
Flashes red when dirt on the electrode needle is 
detected.  
⑨ 
Maintenance level 
selecting switch   
Rotary 
switch 
⑩ 
Frequency selecting 
switch  
Rotary 
switch  
LED will change depending on the operating modes.   
4. See the selection of models and setting. 
⑪ 
Balance adjusting 
trimmer 
Trimmer   
This trimmer is used to adjust the ion balance when the 
auto balance sensor is not used.   
 
 
 
 
 
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