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1 kW, 120-Volt, Single Stage, 6" Duct Section
Drawings: EL910, UAW881, XX017
This is more than a typical duct heater or duct section strip heater, this model also includes an electronic
duct sensor and a controller for modulating the electric element for a fixed outlet temperature.
Airflow
As a 6" duct section, this unit requires a minimum of 150 CFM. The electric element should never be
allowed to come on when there is no airflow (see Control section).
Observe the airflow arrow decal, install with the proper orientation.
Temperature Rise Chart
See "Temperature Rise Chart" on attached document EL910.
Clearance – Duct Surface Areas, Duct Installation, Etc.
When installing this duct heater, NEC 424, Part IV, Duct Heaters, applies.
When installed in an "inline" duct or round pipe adapter for a general distribution boost heater or air
make-up application, observe the following guidelines:
1. This product must be installed in a metal duct, size of the element rack.
2. There shall be no insulation on the inside of this sheet metal duct section.
3. Any flex-pipe or other insulated pipe must be at least 24" away from the electric element.
4. If there is a need to insulate this duct section for moisture condensation or in an unheated
compartment, it is permissible to wrap insulation around the exterior of this metal duct section.
5. The control box must be positioned so it will not receive water drippings or collection of
moisture.
6. The control box must be positioned upright in order for the internal temperature limit to be
positioned correctly
Electrical Hookup
Power Source – simply plug in the cord. This unit must be connected to a 120V 15A or 20A dedicated
circuit.
Electric Supply – see "Electric Supply" table on attached document EL910.
Controls – in addition to plugging in the cord, there must be an external arrangement for low voltage
system interfacing. This external arrangement requires the installing contractor/electrician to apply
24VAC to the "Y" and "C" tabs on the circuit board in the unit (yellow and black wires). Note: This
24VAC applied must come from a field provided transformer. This external arrangement will vary based
on the application the EM-WX01-120-1-06 is being used in but will consist of an external interlocking
relay contact (example, thermostat, flow switch, pressure switch) and external transformer (external
switch and transformer are not included with the EM-WX01-120-1-06). An external interlocking contact
is necessary to prevent unsafe operation.
04/27/2021
BOOST HEATER
Model: EM-WX01-120-1-06
1
EI912
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Summary of Contents for Electro Industries EM-WX01-120-1-06
- Page 1 24VAC applied must come from a field provided transformer. This external arrangement will vary based on the application the EM-WX01-120-1-06 is being used in but will consist of an external interlocking relay contact (example, thermostat, flow switch, pressure switch) and external transformer (external switch and transformer are not included with the EM-WX01-120-1-06).
- Page 2 Duct Sensor This unit is equipped with a remote temperature-sensing probe. This is a solid state probe (actually a mini- micro computer chip at the end of the probe) and should be handled with care. Suggested installation is in the main warm air stream approximately 20 to 24 inches away from the electric element.
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Page 3: Temperature Setting
Temperature Setting The inside circuit board contains two screwdriver switches marked Ø through 7. Adjust them to select the desired set point for your application. EX: Ideal set point = 86° Mode Dial would be set to #4 Warm Air Dial would be set to #0 NOTE: MODE DIAL setting # 7 is not applicable to this product Mode Dial Temperature Range Options MODE DIAL ... -
Page 4: Troubleshooting
Troubleshooting All service troubleshooting must be performed by trained, qualified contractors or technicians. A volt/ohm meter is required for proper diagnosing. A clamp-on amp meter is also very helpful. 1. Green LED 1 flashing two pulses every two seconds – this indicates the control board cannot read temperature sensor. - Page 5 50° F 40° F 30° F Model Watts EM-WX01-120-1-06 1000 *Typically the maximum temperature rise for this product is 40° F for room air inlet. If used for make-up air, larger temperature rises are permissible, see table above. ELECTRIC SUPPLY Source...
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Page 6: Installation Specifications
Installation Specifications When installing this duct heater, NEC 424, Part IV, Duct Heaters, applies. When installed in an “inline” duct or round pipe adapter for a general distribution boost heater or make-up air application, observe the following guidelines: 1. This product must be installed in a metal duct, size of element rack. 2. There shall be no insulation on the inside of this sheet metal duct section. 3. Any flex-pipe or other insulated pipe must be at least 24” from the electric element. 4. Mounting - there must be at least 2” air clearance around all sides of this sheet metal duct section. 5. If there is a need to insulate this duct section for moisture condensation or in an unheated compartment, it is permissible to wrap insulation around the exterior of this metal duct section. 6. The control box must be positioned so it will not receive dripping water or collection of moisture. - Page 8 Limited Product Warranty Effective November 1, 2009 Electro Industries, Inc. warrants to the original owner, at the original installation site, for a period of two (2) years from date of original purchase, that the product and product parts manufactured by Electro Industries, Inc.
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Page 9: Conditions And Limitations
The decision whether to repair or, in the alternative, replace products or product parts shall be made by Electro Industries, Inc. or its authorized representative.
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