Bioclimatic Aerotron 30 Technical Document

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to provide indoor comfort, protect occupants, and ensure the
reliability of critical systems and processes.
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356-JAN-2022
IMPORTANT
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Bi-polar Ionization Series
Installation, Operation
and Maintenance Guide

Installation, Operation & Maintenance Guide Bi-polar Ionization Series 2
1-800-394-3458 356-JAN-2022 Bioclimatic.com
! I M P O RTA NT !
READ THIS BEFORE STARTING INSTALLATION.
DO NOT THROW AWAY THIS GUIDE.
How to Contact Us: If you need help, please contact a
Bioclimatic Air Systems Representative for technical assistance.
For installation you MUST:
■ Always disconnect power to the unit before handling any of the
components.
■ DO NOT connect to the power before the installation is complete and
personnel are aware of the imminent operation.
■ Carefully read this instruction booklet before beginning the installation.
■ Follow each installation or repair step exactly as shown and explained in
this guide.
■ Observe all local, state, national and international electrical codes.
■ Pay close attention to all warnings and caution notices given in this guide.
!CAUTION!
Do not touch while in operation shut off electricity before servicing!
This equipment should be inspected frequently and collected dirt removed from it regularly to prevent excessive
accumulation that may result in flashover or risk of fire.
!MISE EN GARDE!
Ne touchez pas pendant le fonctionnement couper l’électricité avant l’entretien
Cet équipement doit être inspecté fréquemment et la saleté collectée doit être retirée régulièrement pour éviter
toute accumulation excessive pouvant entraîner un contournement ou un risque d’incendie.

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Table of Contents
01 INTRODUCTION 4
1.1 Disclaimer 4
1.2 Receiving 4
1.3 Storage 4
1.4 Warranty 5
02 PHYSICAL DESCRIPTION & THEORY OF OPERATION 6
2.1 Principle of Operation 6
2.2 Aerotron Bi-polar Ionization Units 6
2.3 System Regulation & Test Jacks 7
2.4 Remote Control & Indicators 7
03 INSTALLATION 8
3.1 Initial Setup 8
3.2 Installation 8
3.3 Supplemental Wiring Instructions 9
04 OPERATION 10
4.1 Ionization Tubes 10
4.2 Building Management System Control (BMSC) 11
05 TROUBLESHOOTING GUIDE 11
06 SPECIFICATIONS 11
07 APPENDICES 14
08 PRODUCT NUMBERS 31

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01 INTRODUCTION
1.1 Disclaimer
These instructions are submitted with the implicit understanding that:
1. This manual is to guide the user of Bioclimatic equipment in the proper installation, operation and maintenance procedures to
insure maximum equipment life with efficient operation.
2. The customer has assigned competent maintenance and operating personnel to the system described herein and will assume
operational and maintenance responsibility upon start-up of the system.
3. The customer will read and thoroughly examine the foregoing instructions and will notify the seller of any points not fully
understood, points of conflict or error.
4. The customer, in lieu of any notification to the contrary, has read and fully understands the operation of the system and
is aware of the hazards of corrosion, abrasion and fire or explosion and shall take the necessary steps in the operation of
equipment to control such hazards to the maximum extent possible.
5. Start-up assistance or field engineering service provided by B.A.S. shall in no way relieve the customer of responsibility for the
proper operation of the system.
1.2 Receiving
Products leaving the B.A.S. factory are inspected and in satisfactory operating condition. All equipment should be thoroughly
inspected when received. Although all units are properly packaged, rough handling in transit can cause breakage. Any shortage
or damage should be reported at once to the transportation company. Note the damage on the bill of lading before signing
for the shipment. No equipment may be returned to Bioclimatic without written authorization. Returned equipment sent
without authorization will be refused and returned to sender.
All products are shipped F.O.B. (Ex Works, FCA) Bioclimatic warehouse. Responsibility for all equipment passes to the buyer at the
time equipment is loaded onto the carrier’s truck.
1.3 Storage
If the Bi-polar Ionizers (Aerotrons) are not installed upon delivery, it should be stored in a cool, dry, weather protected location. Do
not stack any other equipment on top of the filters.
IMPORTANT: Any modifications to the unit by unauthorized personnel will void factory warranty.
The unit must be installed in accordance with the manufacturer’s instructions to preserve warranty.
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1.4 Warranty
The seller warrants the equipment against defective workmanship and material for fifteen (15) months from date of factory
shipment or one (1) year from commissioning, whichever occurs first. In the fulfillment of its warranty, the sole obligation of seller
shall be to repair or replace, at its option, F.O.B. its factory, any part or parts which are returned F.O.B. its factory, shipping charges
prepaid, and which after inspection by seller are found to be defective. Buyer shall notify seller of defect in writing, promptly upon
discovery and within the warranty period. This warranty does not cover defects caused by corrosion or normal deterioration; it
does not extend to consequential damage, loss or delay associated with a warranty defect; and it does not cover any cost of labor,
travel, or other expense associated with the repair or replacement of defective parts. Seller assumes no liability for product loss
or other claims whatsoever arising out of the use or application of the equipment in any operations, whether the machine is used
alone or in conjoint use with other equipment or processes. Notwithstanding the foregoing, seller’s warranty obligations with
respect to any items not manufactured by seller shall not exceed the obligations undertaken by the manufacturer thereof under
express warranty to the seller. This express warranty is in lieu of all other warranties of fitness of the machine for any particular
purpose.
There are no other representations, warranty of condition in any respects either expressed or implied, statutory, or otherwise in
contract or tort, other than what is stated above.
The seller shall not be held liable in any way for consequential damages, however caused.
This warranty will not apply if the seller’s equipment has been damaged due to improper installation, alteration, abuse or misuse,
accident, fire, flood, or unavoidable circumstance. Further, this warranty will not apply if repairs, replacements, or alterations are
made by others without the seller’s prior written authorization.
In the event the state in which the equipment is installed does not permit the limitation or exclusion of implied warranties or
conditions under given circumstances, the provisions of this written warranty are in addition to and not a modification of the
statutory warranties and other rights and remedies provided by such laws.
Any modification to original equipment by any company or person other than the manufacturer will serve to cancel and void all of
the seller’s liability under the manufacturer’s warranty. Enclosures containing electronic components are normally sealed by the
manufacturer to prevent unauthorized tampering or adjustments. Only authorized service provides may break seals to complete
calibration or to trouble shoot the unit. Unauthorized tampering or breaking seals will release the seller from any future liability
under the warranty.
Disclaimer: The air purification technologies provided by Clean Air Group are intended to improve indoor air quality. They are
not intended as a replacement for reasonable precautions aimed at preventing the transmission of contaminants, airborne or
otherwise. All persons having access to the serviced premises should comply with applicable public health laws and guidelines
issued by federal, state and local governments and health authorities such as the Centers for Disease Control and Prevention
(CDC). Clean Air Group does not maintain that its products will protect people from all modes of transmission of bacteria, viruses
or other contaminants, and excludes liability for loss or damage arising from any such claims or the consequences arising out of
the application, use or misuse of its products.

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02 PHYSICAL DESCRIPTION & THEORY OF OPERATION
2.1 Principle of Operation
The Bi-polar Ionization Series generators (Aerotron) are designed specifically for duct or plenum mounting. Generators are
normally installed in the return air side of an air handling unit following the final filter or alternatively in the supply plenum or duct
work. The maximum air velocity across ionization tubes is 1,000 fpm for “E” sized tubes and 800 fpm for “F” sized tubes. Optimum
air velocity across ionization tubes is 400 to 600 fpm. Internally regulated ionization generators are generators containing their
own internal voltage regulation components.
Generators containing no internal voltage regulation are frequently referred to as “unregulated” units.
Regulated Generators:
■ The variable two level control circuit is contained within the generator housing.
■ All calibrations are performed (only by Bioclimatic Air Systems) on the generator circuit board.
■ The output voltage is varied by the “Hi / Lo” switch – Hi is 2350 VAC, Low is 2100 VAC.
■ Designed for small applications requiring minimal generator quantities.
Unregulated Generators:
■ The generators are controlled by a remote monitor.
■ All calibrations are performed at the remote monitor.
■ The output voltage is varied by 1250 to 2500 VAC.
■ Designed for medium or large applications requiring multiple generators in diverse configurations and centralized output controls
Types of Generators:
■ Aerotron 30 [unregulated]
■ Aerotron 50 ([unregulated]
■ Aerotron 50R [regulated]
■ Aerotron 100 [unregulated]
■ Aerotron 100R [regulated]
2.2 Aerotron Bi-polar Ionization Units
The Bi-polar ionization unit consists of an ion generator and ionization tubes. The ion generator produces line synchronized
bi-polar ionization of an air stream whose flow is perpendicular to the axis of the tubes. Thus, depending upon the volume of air,
its velocity, chemical and biological content, ionization is adjusted by means of local control to affect particle discharge density
sufficient to produce the desired volumetric air purification. Convenient test jacks provide access to a low voltage test point
proportional to the ionization tube voltage. Externally, the power generator includes ionization tube sockets, spring contacts, fuse,
and fuse holder and indicator lamps.
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The ionization tube consists of two electrodes, a glass tube, and a plastic base with a male threaded connector. The external
electrode is crimped around the glass tube by the manufacturer, and under no circumstances should it be removed from
the tube. The glass tubing material is fragile and should be handled with care. Cracked or damaged glass will cause a system
malfunction and require tube replacement.
NOTE: Ozone is a by-product of any ionization process. When installed and operated in accordance with manufacturer
instructions, the Bioclimatic System will not generate ozone in excess of the standards specified by OSHA and FDA. Under
normal operating conditions, there will not be measurable levels of ozone.
2.3 System Regulation & Test Jacks
Regulated and unregulated ionization generators produce positive and negative ions in the external field surrounding the
ionization tubes. Ionization density is generally measured in terms of ions per cubic centimeter of air (ions/CM3). The volume of
ions produced is roughly proportional to the high voltage applied to the ionization tubes. The “Hi/Lo” switch regulates this high
voltage potential and therefore provides a simple and effective means of controlling ion emission in the system.
Factory settings for both high and low voltage limits are 2350 VAC and 2100 VAC, respectively.
In order to ensure a secure and convenient way of measuring high voltage within these limits, two external test jacks are provided
on the side of the enclosure. These jacks allow access to a comparatively low voltage (less than 3 volts) which is proportionally
to the high voltage present across the tubes. The test jacks, therefore, offer a means of checking the output of the Aerotron
generator without the risk of exposure to dangerous high voltage.
STATUS HIGH VOLTAGE RMS TEST JACK VOLTAGE
Low 2100 2.37 ± 0.05
High 2350 2.68 ± 0.05
Range & Status Calibration also shows the relationship between ionization voltage and corresponding test jack voltage and the
status of the three range indicator status lamps. (Aerotron 50 & 100 generators are controlled by a remote-control monitor).
2.4 Remote Control & Indicators
The internally regulated (IR) Aerotron 50 & 100 can be prepared (optional) to work with Remote Control. The enclosure of the
Aerotron 50R generator has two-amp connectors: one on the bottom side of the enclosure for power connection and one on the
back side of the enclosure for Remote Control (BMS) connection. RC permits full operational control and status monitoring of the
Aerotron 50 & 100 generators. Included are the following functions:
Control Functions:
■ “On/Off” control of the generator power
■ “Hi/Low” ionization level selection
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Visual Indicator:
■ Digital voltmeter shows low voltage which is proportionally to the high voltage present across the generator’s ionization tubes
All of the operating controls and digital voltmeter are arranged in a functional grouping on a 4” x 4” aluminum plate. The plate is
mounted to a standard two-gauge electrical box using a tile ring adapter and connected using wires 20-22 AWG.
03 INSTALLATION
3.1 Initial Setup
Aerotron Bi-polar Ionization units are designed for installation in the duct or plenum on the air return side of the air handling
unit following the final filter. Minimum clearances between final filter and ionization tubes and heating or cooling surfaces
shall be four inches (101 mm). Where space permits, increase clearances on the downstream side of the ionization tubes to 12
inches (305 mm).
Alternately, Aerotron units may be installed in the air handling unit supply plenum or ductwork subject to ambient temperature
and air velocity limitations. Allow a minimum of 8 inches (203 mm) clearance between ionization tubes and heating surfaces and
12 inches (305 mm) clearance between ionization tubes and cooling surfaces.
The maximum air velocity for efficient system operation is 2,000 fpm. The optimum air velocity across ionization tubes is 400
to 600 fpm. The maximum ambient temperature for the ionization tubes is 135ºF in vertical installation and 125ºF in horizontal
installations.
3.2 Installation
Install the Bioclimatic unit in accordance with the following guidelines.
3.2.1 After selecting the best location for the Aerotron system, arrange the unit(s) across the plenum’s width in
accordance with Aerotron Equipment Arrangement Instructions, Bulletin 163, found in our Engineering
Catalog, Tab 3.
Be certain there is sufficient duct/plenum height to accommodate the ionization tubes.
Allow approximately three inches (76 mm) clearance between the ends of the tubes and duct. A minimum of four
inches (101 mm) clearance should also be provided between the side of the tubes and the duct. The best installation
will provide maximum strength to the tubes and minimize the risk of stress cracks in the glass.
3.2.2 Install ionization tubes as follows:
1. Screw tubes into socket.
2. Turn tube into socket by the plastic base.
3. After tube contacts base, tighten an additional 1/8 to 1/4 turn.
Do not use hand tools to tighten tubes, as they will damage the glass tubes.
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3.2.3 Insert assembled unit into duct (AHU). Snap nuts with threaded inserts may be installed into predrilled holes and
machine screws used to secure the generator into position. The use of snap nuts with machine screws will insure
a tight fit to the duct even after several removals for routine maintenance.
3.2.4 Wire Aerotron into a 120 volt, 1 phase, 60 Hz (230 volt, 1 phase, 50 Hz) power source in accordance with the enclosed
wiring diagram and local electrical codes. Note that the Bioclimatic system must be wired into a static pressure
switch or the blower circuit such that power will be disconnected when there is no air movement, or the
ventilation blower is not operational.
ATTENTION: During periods of low heating or cooling loads or during periods when the building is not
occupied, it is recommended that the blower operate 20 minutes every hour. This procedure will help
reduce levels of airborne contamination currently being introduced or that which accumulates while
the building is not occupied.
Note: Airborne particulate will not be removed from the air with Bioclimatic Aerotrons. Proper filtration is required to
remove airborne particulate. Bioclimatic systems are compatible with most types of mechanical filtration systems. At
minimum, 30% ASHRAE filtration is required with the Bioclimatic Aerotron systems.
3.2.5 Periodically, ionization tubes should be washed to remove any surface dirt and restore operating efficiency.
Assuming the use of proper filtration, this maintenance should be scheduled every six months. Remove ionization
tubes by the reverse procedure as outlined above. Follow procedures for washing of the ionization tubes. Observe
the same procedures in replacing the ionization tubes to the Aerotron unit(s).
3.3 Supplemental Wiring Instructions
Aerotron Bi-polar Ionization units 50 & 100 are an internally regulated ionization generator with external controls. In practice,
it is best to connect the individual unit to a dedicated circuit or segregate multiple of the same unit with the use of an
isolation transformer.
Bioclimatic Air Systems provides guidance in order to simplify the wiring connections. In the event the below listed conditions are
not present, then a maximum of six (6) of the same unit may be connected to a dedicated circuit. When the quantity of the same
unit precludes the use of a dedicated circuit, use an isolation transformer.
The below listed electrical environments and conditions will likely create interference with the 50 & 100 units.
A. Operation in proximity to:
- Electrical motors (motor magnetic noise)
- Step-up and step-down power transformers
- Power supplies with inverters (VFD) without noise filter capacitors
- Electrical equipment with thyristors or large-capacity inverters
B. Undesirable electrical conditions:
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A. Undesirable electrical conditions:
- Primary electric service with voltage fluctuations greater than +/- 10% of the nominal power line voltage
- Leak current across ground (earth leakage breakers, leak current relays, ground relays, and sensors)
When an individual unit is installed in an environment or with the undesirable condition listed above, separate circuits for each
unit or an isolation transformer should be used.
The 50 & 100 units are an unregulated ionization generator which must be controlled with on of the available Remote Monitors.
A maximum of twelve (12) individual unit may be connected to one control unit or Remote Monitor. Each remote Monitor with
its related unit must be connected to a dedicated circuit. In the event the Remote Monitor is installed in an environment with
undesirable conditions as described above, an isolation transformer is required in addition to a dedicated circuit.
CAUTION: DO NOT attempt to connect the Aerotron unit(s) across multi-phase 3 or 4 wire circuits or
across any electrical service in which pole to pole voltage exceeds 240 Volts rms.
04 OPERATION
To start an Aerotron unit, it is necessary to activate all power switches. Set the ionization level control using “Hi/Lo” switch or
ionization gain control (for remote monitor). Ensure there is sufficient airflow in the system. To disconnect the System – turn to the
“Off” position power switches.
The calibration procedure for the remote monitors is fully described in the “Bioclimatic Remote Monitor Installation, Operation
and Maintenance Manual”.
4.1 Ionization Tubes
The ionization tubes must be washed on a periodic basis to ensure operating efficiency. At minimum, they should be
washed any time that the primary filter is serviced but in no case longer than one year. The tubes can be washed using the
following procedure:
IMPORTANT: Make sure all power to the unit is disconnected before performing this or any
maintenance procedure.
1. Remove the tubes from the unit by unscrewing each tube.
2. A solution of warm water and non-abrasive detergent can be used to clean the tubes.
3. A soft nylon brush may be used to remove embedded material within the external electrode.
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Note: Do NOT attempt to remove the tube’s outer electrode.
4. Rinse with clean water after washing.
5. Replace ionization tubes only after they are completely dry. Pay special attention to removing moisture from the
polycarbonate base.
6. Screw tubes into socket.
Note: Do NOT use hand tools to tighten tubes, as they will damage the glass tubes.
7. Turn tube into socket by the plastic base.
8. After tube contacts base, tighten an additional 1/8 to 1/4 turn. Do not use hand tools to tighten tubes.
Remember: The tubes are fragile – handle with care.
4.2 Building Management System Control (BMSC)
This option also as Remote Control provides active operational control – “On/Off”, “Hi-Lo” and passive control – observe that
generator is “On” – from any location. For this purpose the Remote Control has jack to provide external buss interface for
interconnecting with Building Management System.
“On/Off” switch on the RC must be in “Off” position.
05 TROUBLESHOOTING GUIDE
Under normal operating conditions, all generators will respond uniformly to changes in position or setting of the power control
located on the control box (regulated generators), and the remote control (unregulated generators).
Always refer to the custom wiring diagram for the specific job being serviced.
The Remote Monitor and Aerotron Units Will Not Energize
Possible Cause: Possible Solution:
Facility circuit broker is tripped or turned off. Check the circuit breaker and reset it if necessary.
The airflow switch (interlock) is disengaged or malfunctioning. Ensure the airflow switch is mounted vertically and there is
sufficient airflow in the System.
A door switch is open or malfunctioning. Ensure all door switches are securely mounted and closed
when the doors are shut. Ensure all door are closed.
The Remote Monitor (RM) and control box power switches are
turned to the “Off” position. Ensure all power switches are activated.
The fuse on the RM faceplate or Aerotron unit is blown. Check the fuse for continuity, proper rating and value.
Replace if necessary.
There is a faulty wiring connection between the circuit breaker
and the Remote Monitor or Aerotron unit.
Ensure all wiring connections between the circuit breaker
and Remote Monitor (Aerotron unit) are secure and
correct. Refer to custom wiring diagram.

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The Aerotron Units Appear to be Functioning, but there is Arcing Coming from Unit
Possible Cause: Possible Solution:
An ionization tube is damaged. Identify which tube is damaged, de-energize the System
and replace the ionization tube.
Conductive material is shorting between the generator and the
support rack.
Identify the material, disconnect the System and replace
the ionization tube.
Water/condensation has deposited conductive material
between the tube socket and the generator rack.
Disconnect the System and inspect the suspected
generator for signs of arcing around the tube socket.
ATTENTION: Corrective action must be performed by qualified personnel only. Refer to manufacturer’s
recommended replacement procedures for ionization tubes.
WARNING: DO NOT ATTEMPT TO REPLACE ANYTHING WHILE POWER TO THE SYSTEM IS ON.
DISCONNECT ALL POWER BEFORE SERVICING ANY UNIT.
NOTE: FOR STABLE OPERATING CONDITION OF THE SYSTEM(S) WE RECOMMEND TO CONNECT EACH REGULATED
GENERATOR (IF MORE THAN ONE) TO DEDICATED CIRCUIT (LINE, PHASE) OR USE ISOLATION TRANSFORMER(S).
06 SPECIFICATIONS
Aerotron 30 Electrical:
Power Requirement 115 / 230 VAC, 1 phase 50/60 Hz
Power Consumption See reference below
Generator Model Max Power Consumptions
IG-30-3F 46 / 48 VA
IG-30-2F 37 / 39 VA
IG-30-1F 28 / 30 VA
IG-30-3E 39 / 40 VA
IG-30-2E 31 / 32 VA
IG-30-1E 23 / 24 VA
High Voltage Range 1100 to 2700 VAC
Ionization Tube Range 2100 to 2350 VAC
Max Operating Temp. + 80°C
Sensing Voltage 2.37, 2.68 VAC ±0.05
Power Regulator Gate controlled triac
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Aerotron 50 Electrical:
Power Requirement 115 / 230 VAC, 1 phase 50/60 Hz
Power Consumption See reference below
Generator Model Max Power Consumptions
IG-50-5F 61 / 62 VA
IG-50-4F 54 / 56 VA
IG-50-3F 46 / 48 VA
IG-50-2F 37 / 39 VA
IG-50-5E 56 / 58 VA
IG-50-4E 41 / 43 VA
IG-50-3E 39 / 40 VA
IG-50-2E 31 / 32 VA
High Voltage Range 1100 to 2700 VAC
Ionization Tube Range 2100 to 2350 VAC
Max Operating Temp. + 80°C
Sensing Voltage 2.37, 2.68 VAC ±0.05
Power Regulator Gate controlled triac
Mechanical Refer to Drawings
Environment Indoor Only
Aerotron 100 Electrical:
Power Requirement 115 / 230 VAC, 1 phase 50/60 Hz
Power Consumption See reference below
Generator Model Max Power Consumptions
IG-100-10ZF 87 / 90 VA
IG-100-9ZF 84 / 87 VA
IG-100-8ZF 78 / 84 VA
IG-100-7ZF 72 / 80 VA
IG-100-6ZF 68 / 77 VA
High Voltage Range 1100 to 2700 VAC
Ionization Tube Range 2100 to 2350 VAC
Max Operating Temp. + 80°C
Sensing Voltage 2.37, 2.68 VAC ±0.05
Power Regulator Gate controlled triac
Mechanical Refer to Drawings
Environment Indoor Only

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07 APPENDICES

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Aerotron IG-50 Series – I, O, & M Manual
Page 17
RANGE AND STATUS CALIBRATION
( FIGURE 5)
VOLTAGE R.M.S.
L.E.D. COLOR SET VOLTAGE FUNCTION STATUS NOTES
H/V TEST
> 2500 2.83 RED R 26 MAX HIGH LIMIT OVERLOAD ± 25 VAC
2450 2.77 RED OVERLOAD FAULT (1)
> 2400 2.72 RED / GREEN R 9 R/G SWITCH TRANSITION ± 25 VAC
2350 GREEN NORMAL
2300 2.61 GREEN NORMAL
2250 GREEN NORMAL
2200 2.49 GREEN NORMAL
2150 GREEN NORMAL
2100 2.37 GREEN NORMAL
2050 GREEN NORMAL
2000 2.27 GREEN NORMAL
1950 GREEN NORMAL
1900 2.17 GREEN NORMAL
1850 GREEN NORMAL
1800 2.05 GREEN NORMAL
1750 GREEN NORMAL
1700 1.95 GREEN NORMAL
1650 GREEN NORMAL
1600 1.83 GREEN NORMAL
1550 GREEN NORMAL
> 1500 1.72 GREEN /
AMBER R7 G/A SWITCH TRANSITION ± 25 VAC
1450 AMBER UNDER FAULT (1)
1400 1.61 AMBER UNDER FAULT (1)
1350 AMBER UNDER FAULT (1)
1300 AMBER UNDER FAULT (1)
> 1250 1.35 AMBER R 28 MIN LOW LIMIT UNDER ± 25 VAC
NOTES:
1. THE WORD “FAULT” IS USED TO INDICATE ABNORMAL OPERATING REGION AND/OR
POTENTIAL EQUIPMENT
2. KEY VOLTAGES ARE SHOWN WITH >