PG9901 - Uncategorized DSC - Free user manual and instructions

Product Type	Wireless Motion Detector
Brand	DSC (Johnson Controls)
Model	PG9901
Frequency	433 MHz (PG4) or 868 MHz (PG8)
Detection Method	Passive Infrared (PIR)
Detection Range	Up to 12 meters (40 ft) with 90° coverage
Power Supply	CR123A Lithium Battery (3V)
Battery Life	Up to 3 years typical
Tamper Protection	Tamper switch against cover removal
Pet Immunity	Up to 20 kg (45 lbs)
Operating Temperature	-10°C to 50°C (14°F to 122°F)
Humidity	85% relative humidity non-condensing
Dimensions	113 mm x 68 mm x 42 mm (4.45" x 2.68" x 1.65")
Weight	110 g (3.9 oz) including battery
Mounting	Wall or corner mount, adjustable bracket
Compatibility	DSC PowerSeries, PowerG, and compatible panels
LED Indicator	Alarm, tamper, low battery, and supervision
Supervision Interval	User-selectable (default 1 hour)
Walk Test	Enabled via LED during installation
Certification	CE, FCC, UL, EN 50131 Grade 2
Maintenance	Clean lens with soft, dry cloth; avoid chemicals
Safety	Install per local regulations; dispose of battery properly
Spare Parts & Repairability	Battery (CR123A) replaceable; no user-serviceable parts inside
General Information	Part of DSC PowerG wireless security system

Frequently Asked Questions - PG9901 DSC

How do I install the DSC PG9901 detector?

Mount the detector on a wall or corner using the supplied bracket at a height of 2.1m (7ft). Avoid direct sunlight, drafts, and pets. Connect the battery and enroll it with your alarm panel by entering the detector's serial number.

What battery does the PG9901 use and how do I replace it?

The PG9901 uses a CR123A 3V lithium battery. To replace, remove the cover, take out the old battery, insert the new one with the correct polarity, and close the cover. The tamper switch will alert if the cover is removed.

Is the PG9901 compatible with my existing alarm system?

The PG9901 is compatible with DSC PowerSeries and PowerG alarm panels. Check your panel's manual for supported wireless technologies. It uses 433MHz (PG4) or 868MHz (PG8) depending on the variant.

How do I perform a walk test on the PG9901?

Enable walk test mode at the alarm panel. The detector's LED will flash each time it detects motion. Walk across the coverage area to verify detection. The LED will blink red when motion is detected.

What is the detection range and coverage angle?

The PG9901 covers up to 12 meters (40ft) with a 90° horizontal angle. It has pet immunity up to 20kg (45lbs) to reduce false alarms from small animals.

How often should I clean the detector?

Clean the lens every 6 months or when dust accumulates. Use a soft, dry cloth. Do not use any chemical cleaners or water, as they may damage the sensor.

What does the LED indicator mean?

Steady on: alarm or trouble. Flashing: motion detected during walk test. Off: normal. Rapid flash: low battery or tamper. Refer to the manual for detailed LED patterns.

Can I use this detector outdoors?

No, the PG9901 is designed for indoor use only. Outdoor exposure can cause false alarms and damage. Install it in a controlled environment within the specified temperature range (-10°C to 50°C).

How do I reset the PG9901 after an alarm?

The detector resets automatically after the alarm panel disarms. If the tamper was triggered, ensure the cover is properly closed. The panel will clear the tamper condition after a few seconds.

What should I do if the battery runs low?

The panel will indicate a low battery condition via a trouble message. Replace the CR123A battery with a new one immediately. Use only high-quality lithium batteries to ensure reliable operation.

USER MANUAL PG9901 DSC

In the notation 'PGx###', x designates the frequency of the detector.
EX. x = 4 (433MHz), 8 (868MHz)

Johnson Controls