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DESCO ASIA 

 

© 2019 DESCO INDUSTRIES INC 

TB-9096     Page 3 of 8 

 

Employee Owned 

4.  Specifications: 

List of Specifications: 

Model No. 

966-II Air Ionizer 

Ionization Type 

High frequency AC corona ionization type 

Power-supply voltage 

24 V DC ± 10% 

Capacity 

2.4VA 

High voltage output 

2,500V approx.

3pF,100M

Ω)

 

Required Air 

Air (dried clean air) 

Air pressure range 

0.05 to 0.60 MPa

 

*1

 

Supplied air flow 

40 to 220 

/min 

Dimensions: (mm) 

86.5L x 18W x 50H (Main Unit only) 

Weight 

78 g approx. (Main Unit only) 

Environment 

Indoor, Altitude up to 2000m  

Ambient temperature 

0 to 40°C 

Ambient humidity 

65% or less (No condensation allowed) 

High voltage abnormality 

(ALARM) Output 

NPN and photo relay output 
Maximum allowed current: 100 mA 
Applied voltage: 30 V DC or less 

Cleaning check 

(C.C) output  

NPN and photo relay output 
Maximum allowed current: 100 mA 
Applied voltage: 30 V DC or less 

Discharge stop signal 

(HV-OFF) input 

Discharge OFF: Short-circuited to 0V 
Discharge ON: Open 
(Residual voltage : 0.5V or less) 

Ozone 

0.05 ppm or less(Measured Distance 300mm) 

Ion balance 

±

15 V or less 

Material 

Enclosure: ABS, Cover: Stainless, Discharge 

needle: Tungsten 

Accessories 

Instruction manual, Power supply and signal cable, 

Caution label (English) 

*2

 

*1. The applicable pressure range depends on the nozzle to be used. Check the table below. 

*2. Use as necessary 

Range of air pressure (gauge pressure) when combining 966-II and the following nozzles are as below:

 

966S 

0.05 to 0.60MPa 

966T 

0.05 to 0.50MPa 

 
 

5.  Installation and Wiring: 

 

 

 

 

 

Warning 

 

Be sure to turn OFF the power and air before installing the product. 

 

Caution 

 

This product cannot be used by itself. Be sure to choose one of the optional nozzles when using this product. 

 

For optimum performance, be sure to use clean, dry air. Dirty air will cause the electrodes to deteriorate. 

 

Always check this manual to ensure that the product wiring is done correctly. Errors in wiring could lead to problems or 
abnormal operation of the product. 

Summary of Contents for SCS 966-II

Page 1: ...losion proof Type Do not use this unit at a location or an atmosphere in which combustible gas or solvent is handled or else ignition or explosion may occur A high voltage is applied to the discharge needle Do not allow any conductive material including your finger any part of your body wire or any tool to get close to the needle or an electrical shock accident or a malfunction of the Unit may occ...

Page 2: ...for use with this product always use a power supply that has been certified by an EU Notified Body as a Limited Power Source as defined in IEC EN60950 1 or IEC EN61010 1 or optional AC adapter Use only the power supply and signal cable included with the product to connect this product to the power supply Install this product in accordance with the installation and wiring instructions described in ...

Page 3: ...stop signal HV OFF input Discharge OFF Short circuited to 0V Discharge ON Open Residual voltage 0 5V or less Ozone 0 05 ppm or less Measured Distance 300mm Ion balance 15 V or less Material Enclosure ABS Cover Stainless Discharge needle Tungsten Accessories Instruction manual Power supply and signal cable Caution label English 2 1 The applicable pressure range depends on the nozzle to be used Chec...

Page 4: ...affected by exposure to ozone Installation Install it at a designated place by using fixing holes 3 φ3 4 The 966 II does not work well in a vertical position Please always mount it horizontal or pointing down Tightening torque on housing to the main body should be 20 N cm or less Wiring Attach wire to power supply and signal cable as follows Color Signal Name I O Description Red DC 24V Power suppl...

Page 5: ...o the air supply Air compressor Supply cleaned air not containing water or oil to the Ionizer 6 Operation Caution Always use air when supplying power to the ionizer Otherwise the ozone concentrations inside the Ionizer will increase due to electric discharge which may cause detrimental effect on the main body and its surroundings 1 Install the equipment at a designated place and perform power supp...

Page 6: ...ent is recommended after 20 000 hours If regular maintenance is not performed the life span of the 966 II will decrease The maintenance is very important Position the unit at a place where it is free from water and oil etc It gets wet dry it with a clean cloth Attachment of contamination to the tip of the discharge needle will deteriorate the static and elimination effect If deterioration of the s...

Page 7: ... Check the housing of the discharge needle to confirm that it is correctly installed and securely locked Short circuited Check that the discharge needle is free from conductive materials Internal circuit is broken Turn off the power and then turn the power back on Cleaning Check indicator C C Lights up Dirt on discharge needle C C indicator remains lit even after the discharge needle has been clea...

Page 8: ...plied After turning the Ionizer OFF wait 1 second or more before turning it ON again Do not use power supply and signal cable provided with the products for a moving section Otherwise they may break down Avoid scratching the cords of the sensor switch lead wires etc Letting the cords be subject to scratching excessive bending pulling rolling up or being placed under heavy objects or squeezed betwe...

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