1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the POTTER PAD 300-PD Photo Detector. The PAD 300-PD is a battery-powered photoelectric smoke alarm designed to detect smoke particles and alert occupants with an audible alarm. It serves as an alternative model to the PAD200-PD.
The photoelectric sensing technology is effective at detecting slow, smoldering fires, which typically produce large smoke particles. For optimal safety, it is crucial to install and maintain this device according to the guidelines provided herein.
2. Safety Information
Please read and understand all safety instructions before installing or operating the POTTER PAD 300-PD Photo Detector. Failure to follow these instructions may result in improper operation of the device, leading to property damage, injury, or death.
- Regular Testing: Test the smoke detector weekly to ensure proper function.
- Battery Replacement: Replace batteries immediately when the low battery warning sounds. Use only recommended battery types.
- Do Not Paint: Never paint the smoke detector. Paint can clog the sensing chambers and prevent proper operation.
- Proper Placement: Install smoke detectors in all sleeping areas and on every level of your home, including the basement.
- Avoid Obstructions: Ensure the detector is not obstructed by furniture, curtains, or other objects that could block smoke entry.
- Cleaning: Clean the detector regularly to prevent dust accumulation from affecting performance.
3. Setup and Installation
Proper placement and installation are critical for the effective operation of your photo detector.
3.1 Recommended Placement
- Install at least one smoke detector on every level of your home, including the basement.
- Install a smoke detector inside every sleeping area.
- Install a smoke detector in the hallway outside of every sleeping area.
- For sloped, peaked, or cathedral ceilings, install the detector within 3 feet (0.9m) of the highest point.
3.2 Locations to Avoid
- Within 20 feet (6m) of a furnace or cooking appliance.
- In extremely dusty, dirty, or insect-infested areas.
- In areas where the temperature is below 40°F (4°C) or above 100°F (38°C).
- In areas with high humidity, such as bathrooms or near showers.
- Near fresh air vents, fans, or doors that could blow smoke away from the detector.
3.3 Mounting Instructions
- Select a suitable mounting location on a ceiling or wall, away from corners.
- Twist the mounting bracket counter-clockwise to detach it from the detector unit.
- Position the mounting bracket on the ceiling or wall and mark the locations for the two mounting holes.
- Drill pilot holes if necessary and secure the mounting bracket using the provided screws.
- Install the battery as described in Section 3.4.
- Align the detector unit with the mounting bracket and twist clockwise until it locks securely into place.
3.4 Battery Installation
The POTTER PAD 300-PD is powered by a 9V battery. Ensure the battery is fresh and correctly oriented.
- Open the battery compartment on the back of the detector unit.
- Connect a new 9V battery to the battery clip, ensuring correct polarity (+ to + and - to -).
- Place the battery into the compartment and close the cover securely.
- Perform an initial test as described in Section 4.2.

Figure 1: Front view of the POTTER PAD 300-PD Photo Detector. This image shows the circular, white smoke detector with concentric rings and a small black indicator light on its face.
4. Operating Instructions
Understanding the operational indicators and testing procedures is essential for ensuring your detector is functioning correctly.
4.1 Normal Operation
Once installed with a fresh battery, the detector will enter normal operating mode. A small LED indicator on the front of the unit will flash approximately once every 30-40 seconds to indicate that the detector is powered and functioning correctly.
4.2 Testing the Detector
Test the smoke detector weekly to ensure it is working properly. To test:
- Press and hold the test button located on the front of the detector.
- The alarm will sound a loud, pulsating horn.
- Release the button. The alarm should stop.
- If the alarm does not sound, refer to the Troubleshooting section.
Note: The test button simulates the presence of smoke. It is important to test the detector regularly.
4.3 Alarm Conditions
When smoke is detected, the detector will emit a loud, continuous audible alarm. The LED indicator will also flash rapidly. If an alarm sounds:
- Evacuate all occupants immediately.
- Do not re-enter the premises until emergency services have declared it safe.
- If it is a false alarm, ventilate the area to clear the smoke.
5. Maintenance
Regular maintenance ensures the longevity and reliability of your POTTER PAD 300-PD Photo Detector.
5.1 Cleaning Your Detector
Dust and debris can accumulate in the sensing chamber, potentially causing false alarms or preventing the detector from functioning correctly. Clean your detector at least once a month.
- Gently vacuum the exterior of the detector using a soft brush attachment.
- Do not use cleaning sprays or solvents on the detector.
- Do not remove the cover of the detector for cleaning.
5.2 Battery Replacement
The detector will chirp approximately once every 30-40 seconds when the battery is low. Replace the battery immediately when this occurs.
- Twist the detector counter-clockwise to remove it from the mounting bracket.
- Open the battery compartment.
- Disconnect the old 9V battery and dispose of it properly.
- Connect a new 9V battery, ensuring correct polarity.
- Close the battery compartment and reattach the detector to the mounting bracket by twisting clockwise until it locks.
- Test the detector after battery replacement (refer to Section 4.2).
6. Troubleshooting
If your POTTER PAD 300-PD Photo Detector is not functioning as expected, consult the following table for common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Detector does not sound during test. | Dead or weak battery; incorrect battery installation; faulty unit. | Replace battery with a new 9V battery, ensuring correct polarity. If problem persists, replace the unit. |
| Detector chirps once every 30-40 seconds. | Low battery warning. | Replace the 9V battery immediately. |
| False alarms. | Dust or debris in sensing chamber; high humidity; cooking fumes; steam. | Clean the detector (refer to Section 5.1). Relocate the detector if it's too close to kitchens or bathrooms. Ventilate the area. |
| LED indicator not flashing. | No power; faulty unit. | Ensure battery is correctly installed and fresh. If problem persists, replace the unit. |
7. Specifications
- Brand: POTTER
- Model: PAD 300-PD
- Sensor Type: Photoelectric
- Power Source: Battery Powered (9V)
- Alarm Type: Audible
- UPC: 737214687030
- Part Number: PPAD300PD
- Alternative Model: PAD200-PD
8. Warranty and Support
For warranty information or technical support regarding your POTTER PAD 300-PD Photo Detector, please contact POTTER customer service. Details for contacting support are typically found on the product packaging or the manufacturer's official website.
Please have your model number (PAD 300-PD) and purchase information ready when contacting support.





