IEC Hi-Rise Series Mega Modular Instruction Manual

IEC Hi-Rise Series Mega Modular

FEATURES

• Cost Effective Solution
• Easy to Install/Service
• Variety of Sizes/Applications
• Ideal for hospitality, educational and multi-family
• Designed for ducted applications
• Nominal CFM range of 1400 to 2000 CFM

International Environmental Corporation (IEC) works continually to improve its products. As a result, the design and specifications of each product may be changed without notice and may not be as described herein. Please contact IEC for information regarding current design and product specifications. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties but are merely IEC’s opinion or commendation of its products. Manufacturer’s standard limited warranty applies.

Portfolio

Concealed Modular (MGY) 1400 CFM to 2000 CFM

The Concealed Mega Modular (MGY) fan coil unit, International Environmental Corporation’s (IEC) premier Modular unit, is designed to deliver nominal airflow up to 0.5″ w.g. ESP for EC Motors in a ducted application. For details, reference fan curves. Although usually installed in a small mechanical closet, the unit also features an optional decorative return air panel to allow for a classic high-rise type installation. Standard MGY units are constructed of 18 gauge galvanized steel and are provided with a galvanized finish on the cabinet.

Hospitality
Consider using a Mega Modular Hi-Rise Unit in lieu of multiple smaller units. Mega Modular Hi-Rise Unitsconditioning lower level conference rooms and upper level suites can share a riser with the smaller high rise units, which are conditioning guest rooms in between.

Residential
Decrease system complexity by utilizing fewer risers of Mega Modular Hi-Rise Units on a high-rise condo project. The unit’s high static capability will easily handle high efficiency air filters and decorative supply grilles, while the modular design provides quiet operation and factory installed valve packages.

Features and Benefits

Versatility In Design and Installation

Mega Modular Hi-Rise fan coil systems offer versatile unit arrangements made possible as a factory-assembled and integrated package. They are designed to be installed in a closet or furred in enclosure and ducted to provide indoor air comfort.

Application Fit

• Cabinet designed for a ducted application and feature an optional supply plenum to provide for multiple supply locations.
• An aesthetically pleasing optional return air grille that will blend with most décor.
• Units are specifically designed for quiet operation.

Design Flexibility

• Easy to use computer rating program to speed up project design.
• Wide variety of coil configurations to match the heating and cooling loads of the space. Coils with different materials and pressure drops to meet the needs of custom applications are also available.
• Optional supply air plenum is available when requirements dictate non-ducted applications.
• Wide variety of valve packages are factory installed to meet desired control specification requirements.
• Make-up air knockouts are provided to meet ventilation requirements.
• Multiple filter media types are available to address IAQ requirements.
• Different types of control options are available.
• Wide variety of insulation materials are available to address IAQ concerns.
• Stainless steel drain pan with external insulation and pre-formed rubber p-trap is standard.
• Antimicrobial drain pan coating available to address IAQ concerns.

Ease of Installation

• Units assembled at the factory in coordination with the jobsite construction schedule to minimize field installation labor.
• Units palletized and shipped floor by floor in coordination with the construction schedule.
• Riser length is matched to the job specifications and pre-fabricated with the specified material. Risers are shipped separately for field installation by others.
• Risers swaged to reduce field brazing labor.
• Units are field connected to the risers using factory furnished flex hoses.
• Drywall can be applied directly to the surface of the unit with factory provided duct collars and drywall stops to ensure a high quality finished appearance.

Ease of Service

• Filters are easily accessible.
• Removable motor and blower with quick-connect plug and minimal fasteners.
• Control box at eye level for ease of field wiring and easy access.

Quality and Safety

• Every unit tested and inspected at the factory for trouble free start-up.
• ETL listed.

Product Application

Unit Configuration Options
Mega Modular Hi-Rise units are designed to be installed either in a small mechanical closet, or furred in with drywall adhered directly to the cabinet. One of the unique traits of the Mega Modular Hi-Rise fan coil system is its optional discharge plenum. The discharge plenum is a factory installed option that adds 22″ to the unit height and provides multiple air duct or supply air grille connections.

The designer is afforded the luxury of specifying a single unit, which can duct to multiple spaces, direct discharge to a single space, or provide a combination of the two. If necessary, the plenum can be added or removed in the field to accommodate design changes.
Below are a few of the many arrangement possibilities of the Mega Modular Hi- Rise fan coil system.

NOTE: Risers ship separately. Units should be field connected using factory furnished flex hoses.

LEGEND

• Exterior Wall
• Field Sheetrock
• Separation or Utility Chase
• Modular Riser Unit
• Partition (or Separation) Wall
• Supply Air
• Return Air
• Field Installed Risers

Riser Material, Sizing and Insulation
Mega Modular Hi-Rise units can be installed with or without risers, making it ideal for a high-rise building, or a shorter building with horizontal runs. Risers are factory fabricated and shipped loose for field installation. The riser type, size, and length must be determined based on the position of the unit in the building. The chilled and hot water risers are available in a variety of diameters from 3/4″ through 3″. Condensate risers are available in 1″ and 1-1/4″ for standard configuration units. All risers and riser extensions, including condensate drains, should be insulated for the full riser length. Other materials to accommodate such critical specifications as riser expansion and between-the-floor fire proofing must be field furnished and installed by others. Consult the factory for special applications.

Riser sizing is normally based on the water flow requirements of each unit and the units above and below the unit in the riser column depending on the type of system being used. A common design technique is to select the risers to limit water velocity at 4 to 6’ per second. Using this method, risers may be reduced in size as the water flow reduces from floor to floor.

Riser Expansion
IEC’s Mega Modular Hi-Rise units are designed to be used with flexible hose connections between the coil and risers. This only allows for expansion between the unit and the riser. This allowance for the movement within the unit is not intended to replace expansion compensation devices that the consulting engineer may deem advisable for the external riser system. External riser expansion/contraction compensation and anchoring are the responsibility of the consulting engineer and the installing contractor.

Unit Model Key

Voltage| System / Thermostat|
---|---|---
B • 24 Volt| Function Control| Thermostat
| G • 2 Pipe Heat Only| P • Basic 24V Digital, 7-Day Programmable
| H • 2 Pipe Cool Only| N • Basic 24V Digital, Non-Programmable
| K • 2 Pipe Heat and Cool| F • Premium 24V Digital, 7-Day Programmable/ BACnet with Proportional Fan/ Valves Option
| M • 2 Pipe Heat and Cool w/Aux. Elec. Heat| G • Premium 24V Digital BACnet with Proportional Fan/ Valves Option
| P • 2 Pipe Cool Only w/Total Elec. Heat| W • Venture 24V Wi-Fi Programmable
| R • 4 Pipe Heat and Cool|

Ratings and Listings

AHRI Certification
IEC’s Mega Modular Hi-Rise Series Units are certified in compliance with Air- Conditioning, Heating, and Refrigeration Institute (AHRI) industry standard AHRI-440 for room fan coils. Approved Standard Ratings are tabulated below.

C-ETL-US Listing
IEC’s Mega Modular Hi-Rise Series units are certified by Intertek Testing Services (ITS). ITS’s C ETL US listing signifies that IEC’s blower coil units have been examined by ITS and comply with the minimum requirements of U.S.
and Canadian national product safety standard, UL 1995/CSA C22.2 No. 236, and that IEC’s manufacturing site has been audited. ITS’s re-examination service includes periodic visits to IEC’s factory to ensure continued compliance for all listed products.

Standard Ratings – EC Motors

Model| Size| Coil Rows| Air Flow Rating (SCFM)| Water Pressure Drop (ft. water)| Total Cap (Btuh)| Sensi- ble Cap (Btuh)| Power Input (Watts)
---|---|---|---|---|---|---|---
MGY| 14| 3| 1,400| 15.0| 38,300| 27,900| 515
MGY| 14| 4| 1,400| 7.5| 45,200| 32,400| 670
MGY| 16| 3| 1,600| 11.0| 42,900| 31,600| 675
MGY| 16| 4| 1,600| 12.0| 49,900| 36,000| 730
MGY| 20| 3| 2,000| 15.0| 49,000| 35,600| 800
MGY| 20| 4| 2,000| 15.0| 58,700| 42,000| 715

NOTES:

1. Ratings are based on 80°F DB and 67°F WB EAT, 45°F EWT, 10°F water temperature rise, high fan speed, 0.20” w.g. ESP, motor voltage 120-1-60, no deco panel and no electric heater.
2. For information regarding performance at specific conditions, use the IEC Rating Program or contact your IEC representative for assistance.

Standard Hydronic Heating Capacity

Model| Size| Coil Rows| Air Flow Rating (SCFM)| Total Cap. (Btuh| Sensible Cap. (Btuh)| Water Flow GPM| Water Pressure Drop (ft. Water))
---|---|---|---|---|---|---|---
MGY| 14| 3| 1,400| 38,300| 27,900| 7.7| 15.0
MGY| 14| 4| 1,400| 45,200| 32,400| 9.0| 7.5
MGY| 14| 5| 1,400| 55,700| 37,300| 11.1| 8.8
MGY| 16| 3| 1,600| 42,900| 31,600| 8.6| 12.0
MGY| 16| 4| 1,600| 49,900| 36,000| 10.0| 12.0
MGY| 16| 5| 1,600| 63,200| 42,700| 12.6| 11.4
MGY| 20| 3| 2,000| 49,000| 35,600| 9.8| 15.0
MGY| 20| 4| 2,000| 58,700| 42,000| 11.7| 15.0
MGY| 20| 5| 2,000| 73,400| 49,500| 14.7| 16.3

Fan Performance Curves

NOTE: Supply air grille, return air panel and factory-installed throwaway air filter static pressure losses are included in all fan performance curves for all sizes.

Electric Resistance Heating

Electric heaters are available on IEC Mega Modular Hi-Rise Series fan coil units for the following applications.

Total Electric Heat
Total electric heat eliminates the requirement for a boiler. Heating and/or cooling may be available on an individual basis throughout the year. Two-pipe chilled water is used for cooling, and the electric heater is used for heating. Individual room controls can be supplied for either manual or automatic changeover.

Auxiliary Electric Heat
Auxiliary electric heat is ideal for tempering room air between seasons and during the cooling season when chilled water is being circulated. Individual room controls are supplied to provide electric heat only when chilled water is being circulated. During regular heating season, heating is provided by hot water being circulated in the system.

Two Stage Electric Heat
Two stage electric heat is available for a two stage thermostat or other special control sequence via Special Feature Request (SFR).

Construction
Heater coils of high-grade nickel chromium wire are supported by ceramic insulators on plated steel brackets.
These heating elements are located at the discharge area of the motor/blower. High limit thermal cutouts protect the unit in the event of airflow loss. There are many special applications and control sequences for electric heat. For special applications please consult the factory.

Electric Heater Selection

Motor Information and Sound Power Data

Motor Performance Data – MGY
Note that this data is for design purposes and should not be used for an energy analysis. An EC motor reaches full load condition at the unit’s maximum external static because it has increased output to maintain airflow. An EC motor decreases output with lower static causing the minimum power usage to occur at 0.0″ w.g. ESP.

EC Motor Performance Data

NOTES

1. Total unit motor AMPS and watts shown.
2. UL approves the motor and thermal overload combination at locked rotor conditions only.
3. Consult factory for 50 Hz applications.

MGY Sound Power Data

UNIT SIZE| RATING| FAN SPEED| CFM| SOUND POWER LEVEL, Lw (dB reference one picowatt)| A-wgt (dBA)
---|---|---|---|---|---
125 Hz| 250 Hz| 500 Hz| 1K Hz| 2K Hz| 4K Hz| 8K Hz
14| CASING RADIATED w/#1 Style RA Panel| H| 1275| 73| 63| 59| 58| 54| 47| 39| 63
M| 1110| 71| 60| 57| 55| 51| 44| 36| 61
L| 880| 67| 56| 53| 50| 45| 38| 34| 56
DUCTED DISCHARGE w/#1 Style RA Panel| H| 1275| 66| 59| 59| 61| 55| 53| 46| 64
M| 1110| 63| 57| 57| 58| 53| 51| 43| 61
L| 880| 59| 52| 53| 51| 47| 45| 37| 56
16| CASING RADIATED w/#1 Style RA Panel| H| 1510| 77| 64| 59| 57| 55| 48| 38| 64
M| 1400| 75| 63| 58| 56| 53| 46| 37| 63
L| 1180| 73| 59| 56| 53| 50| 42| 35| 60
DUCTED DISCHARGE w/#1 Style RA Panel| H| 1510| 67| 63| 59| 60| 57| 54| 45| 64
M| 1400| 66| 60| 58| 59| 56| 53| 44| 63
L| 1180| 64| 57| 56| 56| 53| 49| 40| 60
20| CASING RADIATED w/#1 Style RA Panel| H| 1825| 81| 69| 61| 59| 55| 50| 41| 68
M| 1540| 79| 66| 59| 56| 52| 46| 38| 65
L| 1085| 72| 57| 53| 49| 44| 36| 34| 58
DUCTED DISCHARGE| H| 1825| 73| 67| 62| 63| 59| 57| 49| 67
M| 1540| 70| 64| 60| 60| 56| 54| 46| 65
L| 1085| 65| 57| 53| 52| 49| 45| 37| 58

NOTES:

1. Unit Test Configuration: Front Return/Top Ducted Supply using standard 22” plenum, 4 Row, 14 FPI Coil, 115 VAC Motor, #1 Return Air Panel.
2. Casing Radiated Testing per AHRI 260-2001: 4.2.2.3 Casing radiated with free inlet, Sound Rating of Ducted Air Moving and Conditioning Equipment.
3. Ducted Discharge Testing per AHRI 260-2001: 4.2.2.1 Ducted discharge, Sound Rating of Ducted Air Moving and Conditioning Equipment.
4. Sound power data is expressed in decibels, dB RE: 1 x 10-12 w (picowatts).

Submittal Data

Model MGY – Concealed (Sizes 14-20)

Drawing is provided for reference only.
Dimensions may vary with options ordered.
Consult IEC website for submittal drawings.

NOTES:

• A. Units are fabricated of galvanized steel with a 16 gauge galvanized fan deck.
• B. All risers are insulated
• C. Thermostats shipped loose for field installation.
• D. Risers are factory piped to coil with valves as specified.
• E. Blower, motor, valves, coil, and filter are accessible through the return air opening.
• F. Unit and control box are insulated.
• G. Riser length = [(floor to floor) + 2 inches (51)]. Maximum riser length is 115 inches (2921). Consult riser submittals for specifications.
• H. Maximum riser diameter is 2-1/2 inches (64). If larger diameters are required, consult the factory.
• I. Expansion loops in hot water heating circuits are required.
• J. Slots provided in the back panel for coil connection to permit expansion and contraction of risers. Coil connections to be at the center of the slots.
• K. See unit arrangements for supply and return air orientation.
• L. Dimensions are in inches, dimensions in ( ) are in millimeters.

Return Air Panel

Optional Supply Plenum

Drawing is provided for reference only.
Dimensions may vary with options ordered.
Consult IEC website for submittal drawings.

NOTES:

1. Plenum box adds 22” (559) to unit height, adds 26 lbs. to unit weight, and is factory installed.
2. 1/4” closed cell insulation is standard for the plenum box.
3. Side supply is 22” (559) x 16” (406) on all four sides.
4. Top supply is 24” (610) x 11” (279) which matches unit top ducted discharge

Filters

MGY
14| 24.5″ (622) x 29.5″ (749)
16| 24.5” (622) x 29.5” (749)
20| 26.5” (673) x 29.5” (749)

NOTE: Sizes shown are nominal ordering sizes.

Filter Static Resistance (in w.c.)

Throwaway

| 1”

Permanent

| 1”

Merv 8

MGY| 14| 1400| 0.064| 0.136| 0.17
16| 1600| 0.071| 0.168| 0.19
20| 2000| 0.079| 0.213| 0.23

Options and Accessories

Controls

As detailed in the table on page 17, we offer a control for most customer needs. Additional controls and devices are available to meet even the most demanding operating logic.

Three-speed Fan Control
All of our basic control schemes utilize a 2- or 3-speed switch to modulate the cooling output, to maximize the percentage of latent heat removal, and to further minimize the sound level when maximum cooling or heating performance is not required.

Low Voltage Control (24V)
A low voltage control is standard with all of our control schemes.

Condensate Float Switch
This switch shuts down the unit when the water level in the drain pan reaches an unsafe level. Building code changes in many locales now require this type of device.

Service Switches
We offer concealed service switches for use by maintenance and service personnel to shut off the power while working on the unit.

Fusing
We offer incoming power fusing for all units as well as blower motor and control sub-fusing for units that use electric heat. The blower motor and control sub-fusing (single power source wiring) is required when single source power with electric heat is specified.

Thermostat Control Packages

• Venture 24V, Wi-Fi Programmable

• Basic 24V Digital 7-Day Programmable and Non-Programmable Series

• Premium 24V Digital 7-Day Programmable/BACnet

Control Package Applications

Unit Type| Control Option| System Type| Changeover Type| W| P| N| F| G
---|---|---|---|---|---|---|---|---
–| Manual Fan| Manual1| None| –| –| –| –| –
2-Pipe| Valve Cycle*| Heat Only| None| •| •| •| •| •
Cool Only| None| •| •| •| •| •
Heat/Cool| Manual| –| –| –| –| –
Automatic| •| •| •| •| •
Heat/Cool with Auxiliary Electric Heat| Manual| –| –| –| –| –
Automatic| •| •| •| •| •
Cool with Total Electric Heat| Manual| –| –| –| –| –
Automatic| •| •| •| •| •
4-Pipe| Heat/Cool| Manual| –| –| –| –| –
Automatic| •| •| •| •| •

NOTE: 1. Fan switch only; no thermostat

Thermostat Features

NOTES

1. Control packages with valve cycle are continuous fan operation only.
2. All wall-mounted control packages are shipped loose for field installation (Boxes, tile rings, plaster rings, etc. are not provided.).
3. Aquastats are included in control packages, as required.

*LEGEND:

• P • Basic 24 V Digital, 7-Day Programmable
• N • Basic 24 V Digital, Non-Programmable
• F • Premium 24 V Digital, 7-Day Programmable/BACnet with Proportional Fan/Valves Option
• G • Premium 24 V Digital BACnet with Proportional Fan/Valves Option
• W• Venture 24 V Wi-Fi Programmable

Eco-telligent® Motor

Interface Options| Standard Package| Applied Package| Proportional Package
---|---|---|---
Speed Control| 3 discrete speeds (H, M, L)| 3 discrete speeds (H, M, L)| Proportional Airflow
Compatible With:| Thermostat or controller with 1 to 3 discrete speed outputs| Thermostat or controller with 1 to 3 discrete speed outputs| Thermostat or DDC controller with a 0-10 VDC or 4-20mA fan output
Field Airflow Adjustment| Jumpers provide 4 different predetermined airflow settings per speed| Adjustable rheostats allow each speed to be set anywhere in the unit’s operating range| Controller is able to set fan to any speed in motor’s operating range
Features and Options| Standard| Factory Installed Option| Field Installed Option| Factory Special Quote
---|---|---|---|---
Air Flow Arrangement
Front Return| X| | |
Bottom Return| | X| | X
Supply – Top| X| | |
Discharge Plenum (Field Configurable Supply Openings)| | X| |
Paint Options (Return Air Panel, Supply Air Grille)
Arctic White| X| | |
Polar White, Flat Black, Ermine Gray, Champagne Beige, Toffee Brown| | X| |
Special Color| | | | X
Coils
4-Rows 2-Pipe| X| | |
3-Rows, 5-Rows, 2-Pipe| | X| |
3/1, 3/2, or 4/1-Rows CW/HW| | X| |
Manual Air Vent| X| | |
Automatic Air Vent| | X| |
Drain Pan
Stainless Steel Externally Coated with a 2 part closed cell foam| X| | |
Removable Drain Pan| | X| |
Fin Material
Aluminum w/Galvanized End Sheets| X| | |
Aluminum w/Stainless End Sheets| | X| |
Copper w/Stainless End Sheets & Bottom Coil Baffle| | X| | X
Nickrome Wire Strip Electric Heater| | X| |
Indoor Air Quality
1″ Throwaway Nonwoven Synthetic| X| | |
1″ Pleated MERV 8| | X| |
Bipolar Ionizer| | X| |
Insulation
1/2″ Standard Fiberglass| X| | |
1/2″ Premium IAQ Fiberglass, Sealed Edges| | X| | X
1/2″ Foil Face, Taped Edges| | X| |
1/4″ Closed Cell| | X| |
Motor Type
EC Motor| X| | |
Motor Voltage
120/1/60| X| | |
208/230/277/1/60| | X| |
Supply Grilles
Double Deflection, Aluminum or Arctic White Supply Grille| | | X|
Double Deflection, Aluminum or Arctic White Supply Grille w/Opposed Blade Dampers| | | X|
Custom Painted Supply Grille| | | X| X
Return Air
Acoustical Service Access Panel| X| | |
Standard Panel with Arctic White Linear Grille| | | X|
Custom Return Air Panel| | | X| X
Features and Options| Standard| Factory Installed Option| Field Installed Option| Factory Special Quote
---|---|---|---|---
Risers| | | |
Risers Shipped Loose| | | X|
Flex Hoses| | X| X|
Riser Length (Up to 119″)| X| | |
Riser Diameter (3/4″–3″) Chilled or Hot Water| | | X|
Riser Diameter (1″, 1-1/4″) Condensate Drain| | | X|
Custom Risers| | | X| X
Closed Cell Riser Insulation
1/2″| X| | |
3/4″| | X| |
Fiberglass Riser Insulation| | | | X
Riser/Drain Material
Type M Copper| | | X|
Type L Copper| | | X|
Riser Extension (M or L)| | | X|
Controls
Interlocking Disconnect| | X| |
Single Point Power Connection| | X| |
Incoming Power Fusing (Required for Electric Heat)| | X| |
24V Controls| X| | |
Condensate Float Switch| | X| |
Thermostats| | | X|
Wall/Remote Mounted| | | X|
Special Control (DDC)| | X| | X
Make-Up Air Dampers
Manual Controlled Damper| | X| |
Motorized Controlled Damper| | X| | X
Valve Package Options ( Valve packages are assembled at the factory but field installed.)
Union Connections at the Coil| | | X|
24” Braided Hoses| | | X|
Ball Valves| | | X|
2-Way/3-Way 25 psi Control Valve| | | X|
2-Way/3-Way 150 psi, Normally Closed, Control Valve| | | X|
2-Way/3-Way 150 psi, Normally Open, Control Valve| | | X|
2-Way/3-Way 35 psi Floating Control Valve| | | X|
2-Way/3-Way 35 psi Proportional Control Valve| | | X|
Combination Supply/Return Valves| | | X|
Fixed Flow Control 1.0-8.0 GMP| | | X|
Y-Strainer/Y-Strainer with Blowdown| | | X|
P-T Ports| | | X|
Circuit Setter| | | X|
Balance Valve (Return Line)| | | X|
Balance Valve (3-Way Bypass)| | | X|

Bipolar Ionizer Specifications

SPECIFICATIONS:

• Airflow Capacity: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,400 CFM

• Pressure Drop: . . . . . . . . . . . . . . . . . . . . Less than 0.01 In. WG

• Housing Material: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ABS

• Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2 lbs.

• Maximum Operating Temperature: . . . . . . . . . . 200° F (93°C)

• Electrical:
  Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V AC (602)
  Power Consumptions: . . . . . . . . . . . . . . Less than 1 watt
  Frequency: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50/60 hertz
  Over Current Protection: . 500mA Glass Cartridge Fuse
  Lead Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50”(L)

• Ionization Output:
  Mode of Operation . . . . . . . . . . . . . . . . Needlepoint Type
  Needle Configuration: . . . . . . . . . . . . . . . . . . . Brush Type

• DIMENSIONS: See Figure 1

• APPROVALS: Intertek/ETL Standard UL 867

Mega Modular Hi-Rise Series FAN COIL TECHNICAL CATALOG

CUSTOMER SERVICE

Contact your local IEC Sales Representative for further details and pricing applicable to this
product. Visit our website (iec-okc.com) to find your local IEC Sales Rep.
IEC Part Number: I100-9009992
CA-054 Revision 14.1 (10/2022)
©2000-2022 International Environmental Corporation (IEC)

5000 W. I-40 Service Rd.
Oklahoma City, OK 73128
P: 405.605.5000
F: 405.605.5001
www.iec-okc.com

References

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