Desco 60500 Installation Manual

TECHNICAL BULLETIN TB-2095
Chargebuster Jr. H/O with Emitter Cassette Installation, Operation and Maintenance
that have large capacitance, like people and carts; however, ionizers should be considered as a method for charge neutralization in cases where grounding cannot be achieved.
Air ionization can neutralize the static charge on insulated and isolated objects by producing separate charges in
Removable Cassette
Accessory Ground Jack
Power Switch On/Off
Heater Switch On/Off
Figure 1. Desco Chargebuster Jr. H/O (High Output) Ionizer
Description
The Desco Chargebuster Jr. H/O ionizer is a compact and lightweight auto-balancing bench top ionizer with our patented* emitter cassette that slides out for easy cleaning and replacement. The Chargebuster Jr.’s unique active feedback balancing circuit automatically ensures and maintains the unit’s ion balance despite variations in line voltage, air speed, or emitter electrode condition. The unit’s compact, efficient design minimizes bench top space requirements and need for maintenance, while maximizing neutralization efficiency and overall performance.
Ionizers are useful in preventing electrostatic charge generation, ElectroStatic Discharge, ElectroStatic Attraction, as well as preventing equipment latch-up and safety related shock. ANSI/ESD S20.20 Paragraph 6.2.3.1 Protected Areas Requirement states: “Ionization or other charge mitigating techniques shall be used at the workstation to neutralize electrostatic fields on all process essential insulators if the electrostatic field is considered a threat.” Ionization is used to neutralize charges on process necessary insulators and isolated semiconductors. Some examples of process necessary insulators are: the PC board itself, plastic test stands, plastic housing where a PCB may be mounted, as well as computer monitor screens and regular cleaning wipes. Examples of floating or isolated conductors are: loaded PCB mounted in a stand where the pins are not contacting the dissipative workstation. Ionization is not effective on items
the molecules of the gases of the surrounding air. When an electrostatic charge is present on objects in the work environment, it will be neutralized by attracting opposite polarity charges from the ionized air. Note that ionization systems should not be used as a primary means of charge control on conductors or people. (Reference: IEC 61340-5-2:1 paragraph
5.2.9).
The Chargebuster Jr. H/O is available in 2 models:
Item # Voltage Heater NIST
60500 120 Volt No Yes
60501 120 Volt Yes Yes
All models come equipped with a universal IEC cord connector and a removable emitter cassette. Models 60500 and 60501 include a standard IEC cord set. All models are calibrated and traceable to NIST.
IONIZER SELECTION
ANSI/ESD S20.20 paragraph 6.1.1.2. ESD Control Program Plan Guidance states: “The Plan should include a listing of the specific type of ESD protective materials and equipment used in the Program.” When selecting an ionizer life cycle costs should be considered including: equipment cost; installation cost; and operation and maintenance cost.
The unit is normally placed at one end of a workbench or area to be neutralized. It may also be wall mounted or mounted on a shelf. The ionizer’s decay time (neutralization efficiency) will be best from approximately 6” to 42” in front of the unit, and will drop off as the distance from the unit increases.
TOP VIEW
SIDE VIEW
6”
42”
Figure 2. Area of optimum charge neutralization
* US Patent #6,137,670
Made in America
18”
1’
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Website: Desco.com
TB-2095 August 2009 Page 1 of 5
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449
© 2009 DESCO INDUSTRIES, INC.
Employee Owned
Installation
Remove the ionizer from the carton and inspect for damage. Included with the unit should be:
1 Air Filter 1 Stand Assembly with Hardware 1 Power Cord
Mount the unit in the desired position. Set the front panel rocker switch to the “off” or mid position.
Install the power cord into an appropriate power source. Chargebuster Jr. models 60500 and 60501 operate on 120 VAC 50/60 Hz. The ionizer must be connected to a properly grounded receptacle for operation.
NOTE: We recommend not using on the same circuit as motors or equipment drawing heavy current as false alarms may occur.
Installing Stand Assembly
To install the stand assembly follow the instructions shown in Figure 3. You can mount the unit on a bench top or remove the rubber feet and bolt the stand to a wall or under a shelf as desired. Be sure to use appropriate fasteners. For best results, mount the unit so that no obstructions exist either on the intake or the outlet side.
Ionizer Housing
Stand
Flat Washer
Knob
Figure 3. Installing stand assembly
Alternative Mounting
The optional 60460 Ionizer Mounting Arm is designed as a mounting alternative for the 60501 Chargebuster Jr. Ionizer. The 60460 allows a Jr. Ionizer to be mounted off the bench top, saving valuable work bench space. The articulated movement of the arm assembly allows the user to precisely focus the ionizer’s output directly onto the desired areas or across the entire work area.
The Ionizer Mounting Arm includes a C-clamp style mounting system for ease of installation. Figure 4 shows proper mounting of the arm on a workbench. The arm also includes an installed three prong power cord with an IEC termination.
Figure 4. Installing mounting arm on workbench.
The arm’s custom neck piece allows for easy mounting of a standard Jr. Ionizer via the stand assembly. The ionizer should be mounted to the arm by tightening the bolt onto the neck piece as shown in Figure 5.
Figure 5. Installing Chargebuster Jr. to Ionizer Mounting Arm
The 60460 is sold separately. For detailed information on the installation and operation of the 60460 Ionizer Mounting Arm, ask for Technical Bulletin TB-2056.
Operation
For item 60500 set the front panel rocker fan switch to either “HIGH” or “LOW” fan speed. Higher air flow will result in a faster neutralization rate. Safety interlock switches are provided internally on the emitter cassette. This insures that power is cut off in the event that the cassette is removed or not fully installed.
Aim the unit so that the maximum airflow is directed at the items or area to be neutralized.
The bottom rocker switch on the 60501 turns on a heater which will raise the temperature of the output air to about 10°F above ambient. The heater is only to offset the chill factor of the moving air. It is not intended to warm the workstation.
If the ionizer is used in a manner not specified by the manufacturer, the protection provided by the ionizer may be impaired.
TB-2095 Page 2 of 5
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Website: Desco.com
© 2009 DESCO INDUSTRIES, INC.
Employee Owned
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