Miller Edge AW14 Air-Wave Switch Technical and Compatibility Details
The Miller Edge AW14 is a non-monitored pneumatic Air-Wave switch installed in an ABS enclosure. It is commonly used with select Miller Edge Air-Wave configured sensing edges and treadles where compression of an air hose must be converted into an electrical control signal.
When the connected edge, treadle, or air hose is compressed, the resulting pressure wave travels to a diaphragm inside the AW14. The diaphragm changes the switch contact, allowing a compatible commercial door, gate, or industrial control system to provide its programmed stop, reverse, open, close, light, or alarm response.
What the AW14 Switch Does
The AW14 is the interface between the pneumatic sensing element and the operator control circuit. The sensing edge itself contains no electrical contact. Instead, it creates an air-pressure pulse that activates the AW14 switch.
The switch is factory configured for 2-wire normally open operation. It can be changed to normally closed operation by repositioning the internal air tube and readjusting the sensitivity according to Miller Edge instructions.
Compatible With
- Miller Edge Air-Wave configured sensing edges up to 60 feet long
- Miller Edge Air-Wave configured treadles
- Select motorized commercial door operators accepting a non-monitored contact input
- Select older gate operators accepting a non-monitored sensing-edge input
- Secondary entrapment-detection inputs where permitted by the operator manufacturer
- Control circuits remaining within the published AW14 contact rating
Important Non-Monitored Compatibility Warning
The AW14 does not provide 10K resistance, pulsed monitoring, wireless supervision, or another monitored safety signal. It must not replace a monitored sensing edge when the operator requires supervised entrapment protection.
Current Miller Edge guidance generally associates non-monitored Air-Wave configurations with pre-August 2010 commercial door operators, pre-2016 gate operators, or secondary safety inputs. These dates are selection guidelines and do not guarantee compatibility with a specific operator.
Verify the operator manufacturer, complete model number, production date, control-board part number, input function, contact requirement, and current operator manual before ordering.
Normally Open and Normally Closed Operation
The AW14 ships from the factory as a 2-wire normally open switch. In this configuration, compression of the Air-Wave edge causes the contact to close momentarily.
The switch may be converted to normally closed operation by moving the internal air tube from the center connection to the side elbow and readjusting the sensitivity. This conversion changes the pneumatic action of the diaphragm. It is not accomplished simply by moving wires to different terminals.
The switch must be tested after adjustment to confirm reliable activation without nuisance trips from door vibration or normal movement.
Comparison With Similar Miller Edge Switches
- AW14: AW10 Air-Wave switch installed in a NEMA 1 ABS enclosure.
- AW10: Air-Wave switch mechanism without a protective external enclosure.
- AW12A: AW10 switch installed in a NEMA 4 polycarbonate enclosure for applications requiring greater environmental protection.
- AW14-RF-K10: Wireless Air-Wave transmitter/switch and receiver system. It is not included with the standard AW14.
- PS20A: Pneumatic switch using a different pneumatic configuration and hose arrangement.
Similar Parts That Are Not Automatically Interchangeable
- Monitored 10K sensing-edge terminations
- Pulsed monitored sensing-edge modules
- Wireless edge transmitters and receivers
- Pneumatic switches using a different hose diameter
- AW12A installations requiring a NEMA 4 enclosure
- Complete AW14K500 Air-Wave hose kits
- Direct motor or line-voltage switching devices
Features and Specifications
| Specification | Details |
| Brand | Miller Edge |
| Part Number | AW14 |
| Product Type | Air-Wave pressure switch in enclosure |
| Detection Technology | Pneumatic pressure |
| Monitoring Type | Non-monitored |
| Factory Electrical Configuration | 2-wire normally open |
| Available Contact Operation | Normally open or field-configured normally closed |
| Separate Supply Power | Not required for the mechanical switch mechanism |
| Maximum Contact Load | 0.5 amp at 220 VAC or 1 amp at 48 VDC |
| Terminal Type | 0.187-inch quick-connect tabs |
| Maximum Pressure | 3 PSI |
| Maximum Switch Frequency | 25 operations per second |
| Adjustable Sensitivity | 0.078 to 19.7 inches water column |
| Maximum Supported Edge Length | 60 feet |
| Operating Temperature | -49 F to +180 F |
| Mechanical Life | Minimum 1,000,000 operations |
| Enclosure Material | ABS |
| Degree of Protection | NEMA 1 |
| Approximate Dimensions | 1-15/16 inches wide x 3-3/8 inches high x 1-11/16 inches deep |
| Approximate Weight | 4.5 ounces |
| Mounting | Integrated screw tabs |
| Manufacturer Warranty | 2 years, subject to current Miller Edge warranty terms |
Package Contents
- One Miller Edge AW14 Air-Wave switch assembly
- AW10 pressure switch housed in an ABS enclosure
This standalone AW14 listing should not be represented as a complete sensing-edge kit. Gum rubber hose, sensing-edge extrusion, end plugs, hose adapters, coil cords, junction boxes, retracting reels, wireless receivers, and operator interface equipment are sold separately unless specifically included by the seller.
Related Parts and Air-Wave Kits
Technician Note
AW14 has a NEMA 1 enclosure. It is not equivalent to the NEMA 4 AW12A and should not be mounted where direct rain, washdown, standing water, or uncontrolled condensation can enter the enclosure.
The air hose and all connectors must remain airtight. A split hose, loose plug, blocked tube, leaking fitting, incorrect sensitivity setting, or excessive vibration can cause missed activations or nuisance reversals.
The contact is intended to signal a compatible low-current operator control input. Do not connect the AW14 directly to a motor or other load exceeding the published contact rating.
Before Ordering Checklist
- Record the operator manufacturer, model number, manufacture date, and control-board number.
- Confirm that the operator permits a non-monitored Air-Wave safety input.
- Determine whether normally open or normally closed operation is required.
- Verify that the control circuit is within the AW14 contact rating.
- Confirm that the NEMA 1 ABS enclosure is suitable for the mounting location.
- Identify the sensing-edge profile, air hose, plugs, connectors, and wiring accessories required.
- Determine whether a coil cord, retracting reel, junction box, or wireless system is needed.
- Confirm that all required monitored entrapment-protection devices remain installed and operational.
Installation and Safety Advisory
Installation, sensitivity adjustment, contact conversion, wiring, and testing must follow current Miller Edge instructions, the operator manufacturer's manual, applicable electrical codes, and current door or gate safety requirements.
Never use the AW14 to bypass a monitored safety input or conceal a sensing-edge fault. Do not provide unsafe line-voltage connections or connect the switch directly to machinery beyond its published contact rating.
A qualified commercial door, gate, low-voltage, or industrial-controls technician should complete the work when the contact type, operator input, enclosure requirement, circuit voltage, or safety response is unclear.
Product Questions & Answers
What is the Miller Edge AW14?
The AW14 is an AW10 pneumatic Air-Wave switch installed in a NEMA 1 ABS enclosure. It converts an air-pressure pulse from a compatible sensing edge or treadle into an electrical contact signal.
Is the AW14 a monitored sensing-edge switch?
No. The AW14 is non-monitored and does not provide 10K resistance, pulsed monitoring, or another supervised safety signal.
Does the AW14 ship normally open or normally closed?
The AW14 is factory configured as a 2-wire normally open switch. It can be converted to normally closed operation by repositioning the internal air tube and readjusting sensitivity according to Miller Edge instructions.
Is the AW14 enclosure weatherproof or NEMA 4 rated?
No. The AW14 ABS enclosure is rated NEMA 1. The Miller Edge AW12A uses a NEMA 4 polycarbonate enclosure for applications requiring greater environmental protection.
What sensing-edge length can the AW14 support?
Miller Edge specifies compatibility with Air-Wave configured sensing edges up to 60 feet. Hose condition, airtight connections, sensitivity adjustment, and the complete application must still be checked.
Does the AW14 include an Air-Wave sensing edge or rubber hose?
No. The standalone AW14 is the enclosed pressure switch. Hose, plugs, sensing-edge material, coil cords, junction boxes, and other installation components are separate unless the product is sold as an AW14K-series kit.
Can the AW14 be connected directly to a door or gate motor?
No. The AW14 is intended to signal a compatible operator control input. Its contacts are limited to 0.5 amp at 220 VAC or 1 amp at 48 VDC, and an interface relay may be required for other loads.
What should be checked when an AW14 causes missed activations or nuisance reversals?
Check the sensing hose for leaks or blockage, verify all plugs and fittings, confirm the N.O. or N.C. configuration, inspect the wiring, and readjust sensitivity. Do not bypass the operator safety circuit during troubleshooting.
