Current Consumption:
mA
Output Voltage: kV
2 (High-frequency type)
2* (at 300 mm from the center of the blow-out opening; at
maximum airflow)
0.03 or less (at 300 mm from the center of the blow-out
opening; at maximum airflow)
1.3 Max. (step-less adjustment possible)
Static elimination time: sec.
Generated Ozone
Volume: ppm
Airflow: m3/min
Environmental
Temperatures: °C
0 ~ 40 indoors ( Max 65%RH ;no condensation allow)
IEC61010-1: Overvoltage category I, Pollution degree 2.
Altitude up to 2000m
*Measured under the measuring conditions specified by our company
Safety Approvals
<Diagram for static elimination characteristics>
To maintain the optimum performance of this unit, it is recommended that consumable
items should be regularly replaced.
● Discharge Needle Unit.........DTRY-ZEM-W22
● Filter (a set of 5 sheets).........DTRY-ZFU-W22
This product is a fan-type ionizer (static electricity eliminating device) capable of
immediately solving any problems that occur in connection with static electricity. By using
ionized air it generates, the unit can promptly and efficiently eliminate the static electricity
charged on electrified bodies.
ALARM
NO
NC
NC
ALARM
NO
ALARM
NC
POWER ON
OPEN
CLOSE
Caution
Be sure to confirm the operations of the Contacts. If the confirmation is not properly
carried out, any unexpected operation of the device may cause an accident resulting in
physical injury or a malfunction of the product.
Refer to Section 5.6“Wiring” for confirmation of operation to ensure that the product
operates normally. Incorrect polarity setting of the power supply may cause a
malfunction of the product.
NO
NO
NC
ALARM
2
Caution
200
400
600
800
1000
1200
Be sure to carry out the sealing, or else erroneous operation or a malfunction of the
unit may occur.
Distance (mm)
5.2 How to Remove a Filter
300
200
100
100
600
900
Distance (mm)
300
DTRY-ELW22
This product is attached with the Filter at the bottom of the main unit. Depending on the
environment in which you use this unit, you may use the product with the Filter removed.
(1) Confirm that the Cable is not connected to the connector on the backside of the main
unit. If connected, disconnect the cable.
(2) Unscrew the Knurl Screw of the filter cover on the bottom of the main unit.
(3) Open the Filter Cover, and remove the Filter.
(4) Close the Filter Cover and tighten the Knurl Screw.
~2s
~4s
~6s
~8s
~10s
~12s
0
1200
Knurl Screw
Discharge
Needle(8)
1
H V
LOW
HIGH
Caution
When you're using the unit with the Filter removed, be sure to keep the Filter at a safe
place for your future use.
Grounding terminal
Connector MOLEX #5569-04A1
ALARM POWER
Do not apply excessive force to the Filter Cover, or else you may damage the product.
1:ALARM
3 1 2:ALARM
3:+24V
4 2
DC
4:0V
POWER&SIGNAL
MADE IN JAPAN
5.3 Adjusting the Bracket Height
Bracket
Discharge
Needle Unit
Mounting hole for bracket(4- 4.5)
1
ALARM P OW ER
Caution
When adjusting the bracket height, verify that the positions of the bracket mounting
holes are correct.
Make sure that the packing sheets are correctly and securely inserted. If not, the
anchorage of the angle may become unreliable while you are using the unit.
Please note that an adjustment of the bracket height to a lower position will reduce the
adjustable range of angles for the main unit.
If the mounting hole for the bracket at the lowest position is used, it is possible that the
static elimination time might be prolonged.
5.4 Installation
Caution
Do not install or use the product on the surface of any device that contains on moving
part, where it may be subjected to violation or shocks. The product may possibly be
damaged.
The product is not specified to be installed in any specific orientation. Make sure,
however, that the surface on which the product should be installed is perfectly level and
not inclined in any direction.
Provide a space of 30 mm or more in front of the air inlet of the product, whether
Product is to be installed. If any obstacle for air intake exists near the air inlet, the
sufficient amount of air will not be supplied to the unit, preventing the product from
operating up to its full performance.
Do not install the product at the location where dew condensation may occur or where
it may be exposed to extremes of temperatures and/or humidity. It is possible that the
product should get damaged.
(1) The product may be used by placing it on a horizontal surface such as a tabletop.
When installing the unit as a component etc. inside a system, fasten the unit on the
system by using M4 screws (including spring washers and washers) on the mounting
holes (4-φ4.5).
Bracket
M4 screw
M4 spring washer
M4 washer
Stracture on
which the unit
is to be
installed
Caution
Filter cover
Ionized air outlet
H IG H
Make sure that the height of screws (including washers) is set to 8 mm or less. If the
Bracket height is adjusted too low, interference between the main unit and screws may
occur. Make sure that no such interference would occur when making the angle
adjustment of the main unit.
DTRY-ELW22
High voltage power supply
indicator(Green LED)
Abnormality indicator
(Red LED)
Power switch
H V
LOW
the adjustment is completed, be sure to tighten the Knob Bolts again to ensure that
the adjusted angle will stay unchanged.
Knob Bolt
Airflow adjustment knob
P acking sheet
(2) The angle of the main unit may be freely adjusted by loosening the Knob Bolts. After
*Time required for static elimination under maximum airflow
from ±1000 V to ±100 V
The scope of static elimination is only for reference.
The scope of static elimination is shown for one side.
4.2 Appearance
FLO W
2
Filter
Discharge Needle Unit mounthig
screws(2locations)
Filter cover
Filter
Fixing screw for filter
NC
ALAR
ALARM
NO
Contact a or b
selector switch
5. Installation/Wiring
The bracket of this product is designed to allow you to adjust the height of the main unit
by 3 steps. Depending on the conditions how you use this unit, please adjust the height
of the main unit.
(1) Confirm that the cable is not connected to the connector on the backside of the main
unit. If connected, disconnect the cable.
(2) While firmly pressing down the main unit to hold it in position, remove the Knob Bolts
at both ends.
There are Packing Sheets inserted between the main unit and Bracket. Make sure
you do not misplace any Packing Sheet when removing the Knob Bolts.
Knob Bolt
5.1 Setting of Contacts for Abnormal Output
This product permits selecting of the contact for the abnormal signal output (contact A or
B: contact A specified before shipment). Refer to the setting procedure to make the
correct setting.
● Setting Procedure:
(1) Confirm that the cable is not connected to the connector on the backside of the main
unit. If connected, disconnect the cable.
Packing sheet
FLOW
2
H V
3
3. Product Overview
POWER OFF
OPEN
OPEN
4
NC
2.2 Consumable Items
SETTING MODE
NO (Contact A)
NC (Contact B)
この保護シールは接点設定後
必ず切り替えスイッチ用窓に
貼り付けてください
<Diagram for static elimination area>
3
● Main unit*........1 unit
● Instruction Manual (this booklet)........ 1 booklet
● Discharge needle unit........1 unit ● Bracket*.........1 set
● Power supply signal cable (2 m).......1 line
● Grounding lead wire (2 m) .........1 line ● Filter*.........1 sheet
● Contact selector switch protection seal.........1 sheet ● Knurl screws......2 pcs
● Drop-out protection washer.......2 pcs ● Discharge needle cleaning brush.......1 pcs
* Attached to the main unit before shipment.
power to the product to confirm that the Contact operates normally. See the table
below for the outputs when setting the Contact.
6
0
P acking sheet
(3) Connect the Cable to the connector on the backside of the main unit. Supply the
8
0
FLOW
2
2.1 Contents of the Package
Do not apply excessive force when making adjustments to the switch with a precision
screw driver, or else you may damage the product.
Make sure that the switch position is positively shifted. The device will not operate
normally if the contact is not correctly connected.
/ NC (Contact B) Contact Selector Switch, using the Contact Switch Protection Seal
supplied with the product.
2. Contents of the Product Set
When this product has been delivered to your site, check the package for any missing
part or for any abnormality or damages that may have occurred during delivery before
using the unit. In case any damage should be found or any abnormal operation should
be observed, please contact the shop where you purchased the product (the agency), or
the nearest service station of our company.
the main unit, insert a Packing Sheet between the main unit and the Bracket, and
then tighten both ends with the Knob Bolts.
Caution
(4) After the contact setting is completed, be sure to seal the window for NO (Contact A)
10
Caution
This product contains a high-voltage generating device inside the unit. Do not install
the unit at a location where it may be exposed to splashing of water or oil, high
temperatures, or excessive humidity. Make sure the unit is protected from
condensation.
Make sure that the unit is protected from being exposed to any transitional condition of
the power supply. Make sure that the input power supply will stay within the specified
rating range.
Make sure that any unserviceable or unnecessary unit and consumable items are
properly disposed of as industrial waste materials.
For any other items of precaution, please refer to the Safety Precaution in the Static
Electricity Elimination Unit; Ionizer Catalog (Catalog No. R0001).
NO
±15 * (at 300 mm from the center of the blow-out opening; at
maximum airflow)
Ion Balance: V
Lateral distance (mm)
1.2
Mass: kg
Static elimination time( sec.)
Warning
This product is not specified as an explosion-proof type unit. 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 occur.
The Discharge Needle has a sharp edge. Pay special attention to handling of the
Needle, or you may injure yourself.
Make sure that the ground terminal of this product is properly grounded to prevent any
electric shock accident from occurring and to ensure that the static electricity is
completely eliminated.
Do not use this unit outside the scope of the specifications, or else an accident or a
malfunction of the unit may be caused, or the service life of the product may be
extremely reduced.
Never disassemble, repair, or remodel this unit, or else an accident or a malfunction of
the unit may occur.
This product will cause ozone to be generated in the atmosphere. If you perceive any
smell of ozone, make sure to clear the air in the room and keep good ventilation in the
room. If ozone should remain in the air for long, it may cause metal parts to be
oxidized.
When any wiring, installation, or inspection work is to be carried out, make sure that the
unit is disconnected from the power supply, or else an accident, an electrical shock or a
malfunction may be caused.
To ensure that the unit should maintain its performance, be sure to regularly clean the
surrounding area of the discharge area. If the area is not maintained in a clean
condition, the unit will not only be able to demonstrate the optimum performance but
the equipment and or work pieces may get damaged.
For any other items of warning, please refer to the Safety Precaution in the Static
Electricity Elimination Unit; Ionizer Catalog (Catalog No. R0001).
Outside Dimensions:
mm
(4) Align a hole on the Bracket with the corresponding mounting hole for the Bracket on
3
1.1
Bracket
High voltage LED (green); Discharge abnormality indication
LED (red); Power switch LED (Illumination push-button
switch: green)
Contact output at a time of abnormality of discharge (setting
of contact A or B possible); 24 VDC; 50 mA Max.
120.5 (L) × 308 (W) × 118 (H)
(Not including protruding parts, a hole on the Bracket with
the highest mounting hole for the Bracket on the main unit)
Approx. 2.1
Abnormal Output
This Product has been designed, tested, and shipped out in accordance with the Safety
Requirements for Electrical Equipment under IEC61010-1. Because a high voltage is
used inside this product, improper use of this unit may cause an accident resulting in
injury or death, or may lead to a malfunction of the product. Our company will not be held
liable for any usage outside the product Specifications or any accident caused by
noncompliance with the Safety Precautions.
Mounting hole for bracket on
the main unit
a,b selector switch
260
Displays
1. Safety Precautions
(3) Select the height from three positions of mounting hole at both ends of the Bracket.
unit to the desired position by using a precision screw driver, etc.
DTRY-ELW22
DC24 V ±5%
ALARM
Thank you very much for your purchase of DTRY-ELW22 (hereinafter referred to as
ELW22). Although this product is not classified as a high-voltage device under any
electrical equipment standard, it uses a high voltage at 2000 V. Please read this manual
diligently to carefully and correctly handle this unit. Keep this manual on hand for your
reference and consult it repeatedly as required.
(2) Shift the NO (contact A)/NC (contact B) selector switch on the bottom of the main
Type
Input Power Source
NC
Wide-Flow Fan-type Ionizer
【DTRY-ELW22】
4. Specifications
1
Instruction Manual
LOW
HIGH
Bracket
ALARM POWER
5.5 Others
This product is supplied with 2 Knurl Screws as a set of accessory.
By replacing the
set screws (M3 binding screws) for fastening the Discharge Needle Unit on the main unit
with the 2 Knurl Screws, removal of the Discharge Needle Unit when cleaning the
Discharge Needle will become easier. A cleaning method of the Discharge Needle is
reference with 7.1. “How to Clean the Discharge Needle.”
Caution
By replacing the set screws for fastening the Discharge Needle Unit with the supplied
Knurl Screws, attachment and removal of the Discharge Needle Unit will become
easier, improving the maintenance characteristics of the system. Note, however,
that easier removal and attachment will make hazards of injuries by the Discharge
Needle or of its damages more liable to occur.
5.6 Wiring
Caution
When installing wiring, be sure to confirm the colors of the cables to be used and carry
out the wiring work in a secure and correct manner. Wrong wiring may cause
damages to the main unit.
Make sure that the rated power supply voltage is applied to the product. Do not apply
any power supply subject to variation, or else a malfunction of the unit may occur, and
the product may not be able to work up to the full performance.
Caution
● If the Discharge Needle Unit is not to be removed:
(1) Confirm that the cable is not connected to the connector on the Backside of the main
unit. If connected, disconnect the cable.
(2) Soak the supplied Discharge Needle Cleaning Brush in anhydrous alcohol such as
isopropyl alcohol. Use the brush to remove the foreign particles attached to the tip of
the Discharge Needle.
Discharge needle (8 pieces)
FLOW
2
H V
3
LOW
HIGH
2
Main
Circuit
2(Black):ALARM
1(White):ALARM
DC24V
Main unit Connector Number
Internal Circuits External Circuits
● How to Ground the Wiring
(1) Connect the round terminal of the supplied Grounding Lead Wire to the grounding
terminal located on the backside of the main unit.
(2) Connect the terminal at the opposite end of the Grounding Lead Wire to the
grounding point.
Caution
0V line and grounding terminal are connected common line in main unit.
Slits
Both ends
FLOW
2
Inside of the ionized air outlet
1
H V
LOW
HIGH
Caution
H V
LOW
HIGH
ALARM POWER
If cleaning of the Discharge Needle is to be carried out without removing the Discharge
Needle Unit, it is possible that dust may be splashed when the unit is operated after the
cleaning work is completed due to the lack of cleaning of the backside of the Discharge
Needle and to falling of dust into the internal part of the main unit. It is recommended,
therefore, that you perform the cleaning work by removing the Discharge Needle Unit.
● If the Discharge Needle Unit is to be removed:
(1) Confirm that the cable is not connected to the connector on the Backside of the main
unit. If connected, disconnect the cable.
(2) In accordance with 7.2 “How to Replace the Discharge Needle Unit,” remove the
Discharge Needle Unit.
(3) Soak the supplied Discharge Needle Cleaning Brush in anhydrous alcohol such as
isopropyl alcohol. Use the brush to remove the foreign articles attached to the tip of
the Discharge Needle.
Discharge needle cleaning brush
Discharge
needle unit
Discharge needle
unit
Discharge needle unit
set screw
Caution
When inserting the Discharge Needle Unit into the main unit, insert it through the slits
(black) provided at both ends of the plug-in inlet of the main unit.
Insert the Discharge Needle Unit into the main unit in a straight line without applying
excessive force, or else a malfunction of the unit may occur.
When inserting the Discharge Needle Unit into the main unit, be careful not to touch the
air outlet of the main unit at Discharge Needle.
(6) Tighten the set screws (or the Knurl Screws) of the Discharge Needle Unit to lock
the unit at the specified position.
Caution
Make sure that screws are fully tightened. A niece grew not fully tightened may cause
defective operations of the unit or may prevent the unit from operating up to the full
performance.
7.3 Discharge Needle Unit: How to Attach Knurl Screws
Discharge
needle(8pieces)
(1)
(2)
(4) If the board of the Discharge Needle Unit is soiled, moisten a piece of waste cloth
(3)
with anhydrous alcohol such as isopropyl alcohol and wipe off the soiled surfaces
with the cloth.
Parts to be cleaned
Check the connectors on the back side of the main unit to confirm that no cable is
connected. If any cable is connected, disconnect it.
Dismantle the Discharge Unit (DTRY-ZEM-W22) in accordance with the specified
method of replacement.
Align a drop-out protection washer with each of the screwing positions for the
Discharge Unit and screw in a knurl screw on each of the 2 positions.
Drop-out protection washer (2 locations)
(1) Check the product to confirm that the setting and wiring have been carried out in
Caution
If the Power Switch of the unit or the high-voltage LED does not light up, or if the alarm
display on the front of the unit lights up, immediately turn off the power from the unit.
Then, check the installation and wiring against the instructions given under Section 5.
"Installation/Wiring." In case you cannot solve the problem even then, please refer to
Section 7. "Maintenance" and Section 8. "Troubleshooting."
6.2 Operations When Turning OFF the Power
(1) Press once the Power Switch (push-but the type) located on the front of the product.
Both the Power Switch and their high-voltage LED on the front of the product will go
off.
7. Maintenance
Warning
(4)
Back side of the Discharge needle unit
In accordance with 7.2 “How to Replace the Discharge Needle Unit,” install the Discharge
Needle Unit.
Caution
The tip of the Discharge Needle is sharply pointed. Pay special attention to handling of
the Discharge Needle Unit after it is removed from the unit.
If the soil on the tip of the Discharge Needle cannot be removed by cleaning, or if the
Discharge Needle is bent or broken by an accident, etc., replace the Discharge Needle
Unit with new one in accordance with 7.2 "How to Replace the Discharge Needle Unit."
If you continue to use the unit without replacing the defective needle, the performance
may be degraded or insufficient static elimination may occur.
7.2 How to Replace the Discharge Needle Unit (DTRY-ZEM-W22)
The material used for the Discharge Needle of this product is tungsten. Tungsten as the
material for Discharge Needles is very durable and will not wear off easily. If the product
is regularly maintained in a normal manner, almost no degradation of the performance
will be observed. In case, however, contamination cannot be removed due to negligence
of maintenance or the Discharge Needle is bent or damaged due to an accident, etc.,
replace the entire Discharge Needle Unit with a new one.
(1) Confirm that the cable is not connected to the connector on the backside of the main
unit. If connected, disconnect the cable.
(2) Unscrew the set screws (or the Knurl Screws) of the Discharge Needle Unit.
Bracket of discharge needle unit
FLOW
2
H V
3
Maintenance is an extremely important factor for achieving the optimum performance
of the device. Be sure to carry out the maintenance work on a regular basis.
Before you perform the maintenance work, make sure that the Power Supply Signal
Cable has been disconnected.
When you are using solvent such as alcohol, make sure that the room is well
ventilated. And if you have used alcohol for cleaning, make sure that all alcohol has
evaporated and no part on the main unit is wet with alcohol.
The tip of the Discharge Needle is pointed. When removing or cleaning the Discharge
Needle Unit, pay special attention to the Discharge Needle Unit, or else you may injure
yourself. Be careful not to cause the Discharge Needle to be bent or broken, otherwise,
the performance of the unit may be greatly degraded.
Knurl screw (2 locations)
Screwing position (2 locations)
Front side of the Discharge needle unit
1
accordance with the instructions given under Section 5. "Installation/Wiring" in this
manual.
(2) Turn ON the switch on the DC power supply.
(3) Press once the power switch (push-button type) located on the front of the product.
The power will be supplied to the product. If the unit is operating normally, both the
power switch and high-voltage power supply LED (green) located on the front side of
the product will light up.
(4) In accordance with the distance to the charged object and the amount of static
electricity charged on the object, adjust the Airflow Adjustment Knob to provide the
appropriate amount of airflow.
LOW
HIGH
ALARM POWER
Install the Discharge Unit (DTRY-ZEM-W22) in accordance with the specified
method of replacement.
unit.
8. Troubleshooting
In case any abnormal condition is observed in this product, immediately turn of the power
from the main unit. Disconnect the cable from the connector on the backside or the main
unit. Then, read this section carefully and follow the instructions. If the abnormality cannot
be solved even after that, please contact the shop where you purchased the product (the
agency), or the nearest service station of our company.
○ Symptom:
• The power cannot be supplied to the unit. (All indicators do not light up at all, and the
fan does not turn.)
● Contents to be confirmed:
• Check the DC power supply unit to confirm that the power is turned ON. If you are
using an AC adapter, check to see if the AC plug is securely inserted into the wall
outlet.
• Check the input voltage to confirm that it is within the specified range.
• Check the Power Signal Cable to confirm that the wire is not broken.
• Check the Power Signal Cable to confirm that the wiring has been correctly
performed.
• Check the Discharge Needle Unit is installed in the correct manner.
○ Symptom:
• The abnormality indications LED lights up.
● Contents to be confirmed:
• The Discharge Needle may be soiled or damaged. Carry out the maintenance work
for the Discharge Needle Unit in accordance with the instructions given under
Section 7 “Maintenance.”
• Check the Discharge Needle Unit to confirm that the unit has been securely installed.
○ Symptom:
• No static elimination is performed.
● Contents to be confirmed:
• The Discharge Needle may be soiled or damaged. Carry out the maintenance work
for the Discharge Needle Unit or replace the unit with a new one in accordance with
the instructions given under Section 7 “Maintenance.”
○ Symptom:
• The abnormal output circuit is not working.
● Contents to be confirmed:
• Carry out the setting of the NO (contact a)/NC (contact b) contact selector switch
once again in accordance with 5.1 “Setting of Contacts for Abnormal Output” in this
manual.
Caution
The abnormal output circuits will start working about 2 seconds after the power is turned
on. Pay special attention when designing the abnormal detection circuits when this
product is to be built into a system.
○ Symptom:
Caution
The tip of the Discharge Needle is extremely sharp and pointed. Pay special
attention in working with the Discharge Needle Unit while it is being dismantled.
A Drop-out Protection Washer is a very small item. Be especially careful not to
misplace it.
When dismantling the Discharge Unit from the Main Unit, do not give a Knurl
Screw a strong pull, or else the Drop-out Protection Washer may come off.
7.4 How to Exchange the Filter (DTRY-ZFU-W22)
Caution
• The Power Switch LED lights up but the High-voltage Power Supply Indicator LED
and the Abnormal Indicator LED do not light up.
• The Power Switch LED lights up but the fan does not turn.
● Contents to be confirmed:
• It is possible that the product is broken down. Please contact the shop where you
purchased the product (the agency), or the nearest service station of our company.
○ Any other abnormal condition:
• If any other abnormal condition than above has been observed, immediately turn
OFF the power from the product, and please contact the shop where you purchased
the product (the agency), or the nearest service station of our company
The Filter is a consumable item. When deterioration of the Filter is observed,
replace it with a new one.
When the Filter Cover is soiled or the Filter is clogged, the product cannot achieve
its full performance. Be sure to carry out regular maintenance.
(1) Confirm that the cable is not connected to the connector on the backside of the main
unit. If connected, disconnect the cable.
(2) In accordance with “How to Remove a Filter,” remove the Filter.
(3) Wipe off the soil from the Filter Cover using a piece of waste cloth soaked with
anhydrous alcohol such as isopropyl alcohol.
(4) Mount the newly prepared Filter in the Filter Cover.
(5) Close the Filter Cover and lock it on the main unit using Knurl Screws.
Filter
Discharge needle unit set screw
Discharge needle unit set screw
JUST CONSULT US
KOGANEI CORPORATION
OVERSEAS DEPARTMENT
3-11-18 Midori-cho, Koganei-shi Tokyo 181-8533, JAPAN
TEL: 042-383-7271 FAX:042-383-7276
Internet Home Page URL: http://www.koganei.co.jp
z Please understand that the appearance and the specifications of this Product may be
altered without advance notice for improvements.
(3) While securely holding the Bracket section of the Discharge Needle Unit, pull it out in
a straight line.
(3) Check the main unit to confirm that there is no unknown noise generated from the
ALARM POWER
DTRY-ELW22
Cotton swab
Caution
6.1 Operations When Turning ON the Power
Pay special attention when
plug-in inlet of the main unit until the Discharge Needle unit is securely locked in the
main unit.
alcohol such as isopropyl alcohol and wipe off the soiled surfaces with the swab.
Note that cotton swabs are not supplied with a main unit as an accessory item.
Please prepare them by yourself when using them.
Confirm that the grounding point is properly grounded. If it is not, be sure to carry out
the grounding procedure (according to the 3rd class procedure).
The product must be properly grounded. Otherwise, an electric shock accident or a
malfunction of the unit may occur. In addition, the product may not be able to work up
to the full performance.
6. Operation
breaking in the insulation.
(2) Check the power supply voltage and the width of its variation to ensure that they are
within the specified range.
The tip of the Discharge Needle Unit is sharply pointed.
handling of the Discharge Needle Unit.
DC Power;+24VDC
LOAD
MAX DC24V
50mA
(1) Check the Power Supply Signal Cable to confirm that there is no deterioration or
Discharge needle
unit set screw
Caution
Discharge needle cleaning brush
3
4
4(Green):0V
3(Red) :+24VDC
7.5 Inspection
Discharge
needle unit
(3) If the inside of the ionised air outlet is soiled, moisten a cotton swab with anhydrous
Grounding Terminal
1(White):ALARM
2(Black):ALARM
3(Red) :+24V
DC
4(Green):0V
DTRY-ELW22
(4) Prepare a new Discharge Needle Unit.
(5) While securely holding down the main unit, insert the Discharge Needle Unit into the
FLOW
2
3 1
ALARM POWER
Make sure that the Knurl Screws are fully tightened. Any Knurl Screws not fully
tightened may cause the Filter Cover to be disengaged while the unit is used, or may
cause some noise to be generated.
3
Make sure that the connections are carried out in a secure manner by using a terminal
block or crimp-style terminals, etc. Otherwise, main unit gets damaged.
If the abnormal output circuits are to be used, make sure the circuits are used within
the rated specification range (24 VDC; 50 mA, max.). Otherwise, the main unit may
possibly be damaged.
See the diagram below for the abnormal output circuits.
The abnormal output circuits will start working about 2 seconds after the power is
turned on. Pay special attention when designing the abnormal detection circuits to be
incorporated in the system.
If no abnormal output circuits are to be used, be sure to carry out some appropriate
measures for insulating the "white" and "black" tail ends of the supplied Power Supply
Signal Cable. Otherwise, main unit gets damaged.
How to Clean the Discharge Needle
The material used for the Discharge Needle of this product is tungsten. Tungsten as the
material for Discharge Needles is very durable and will not wear off easily. If the product
is regularly maintained in a normal manner, almost no degradation of the performance
will be observed.
1
Caution
7.1
1
● How to Connect to Wiring for Power Supply and Abnormal Output Contracts
(1) Connect the supplied the Power Supply Signal Cable to the connector on the
backside of the main unit.
(2) Connect the + 24 V line of the DC power supply to the "red" line, and 0 V line to the
"green" line of the Power Supply Signal Cable, respectively.
(3) If the Abnormal Output Contacts are to be used, connect the Contact to the “White”
and “Black” lines of the Power Signal Cable. No polarity is involved with the
connections in this case.
Filter cover
Ver1.03
">
