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N200-12-00

2

I56-1925-00R

© 2002 Notifier 

The sensor can be tested in the following ways:

A. Functional: Magnet Test (P/N M02-04-01 or M02-09-00)

This sensor can be functionally tested with a test magnet. The test magnet electronically simulates smoke in the sensing chamber, testing the sensor elec-
tronics and connections to the control panel.
1. Hold the test magnet in the magnet test area as shown in Figure 3.
2. The sensor should alarm the panel.
Two LEDs on the sensor are controlled by the panel to indicate sensor status. Coded signals, transmitted from the panel, can cause the LEDs to blink, latch
on, or latch off. Refer to the control panel technical documentation for sensor LED status operation and expected delay to alarm.

B. Smoke Entry: Aerosol Generator (Gemini 501) 

The GEMINI model 501 aerosol generator can be used for smoke entry testing. Set the generator to represent 4%/ft to 5%/ft obscuration as described in the
GEMINI 501 manual. Using the bowl shaped applicator, apply aerosol until the panel alarms.
For FAPT-851, smoke entry testing should be performed immediately following the magnet test. Magnet test initiates an approximately 10 minute period when
the detector’s signal processing software routines are not active. Failure to first perform the magnet test will introduce a time delay before the detector alarms.

C. Direct Heat Method (Hair dryer of 1000-1500 watts). FSP-851T and FAPT-851 only.

A hair dryer of 1000-1500 watts should be used to test the thermistors. Direct the heat toward either of the two thermistors, holding the heat source approxi-
mately 12 inches from the detector in order to avoid damaging the plastic housing. The detector will reset only after it has had sufficient time to cool. Make
sure both thermistors are tested individually.

A sensor that fails any of these tests should be cleaned as described under CLEANING, and retested. If the sensor fails after cleaning, it must be replaced and
returned for repair.

When testing is complete, restore the system to normal operation and notify the proper authorities that the system is back in operation.

HIGH SENSITIVITY SETTING

The use of the 0.2% to 0.5% per foot sensitivity setting requires a 90-day test period to ensure that the
detector's environment is suitable for this setting. The following steps must be followed to meet Notifier
and UL requirements for this high sensitivity application:
1. Each detector intended for 0.2% to 0.5% per foot alarm application shall have its initial alarm setting

set for 0.5% obscuration per foot alarm level. The initial prealarm setting for the detector shall be set
to the intended alarm setting of the system. Prealarm shall be set for nonlatching operation.

2. Detectors set at 0.2% to 0.5% per foot are intended for use in smoke-free, environmentally con-

trolled applications, such as computer rooms and clean rooms. In order to determine if an environ-
ment is suitable for installation, the detectors shall be operated continuously for 90 days with all envi-
ronmental factors, including temperature, humidity, air flow, occupancy, etc., similar to the intended
application for these detectors. An electronic history file or printer shall be used to record all events
associated with the detectors under testing.

3. At the end of 90 days, the results of the test shall be inspected by an authorized Notifier represen-

tative or the end user, if trained by an authorized Notifier representative. If no alarms or prealarms
are recorded for the detectors under testing, the system may be set to the tested prealarm level in
the 0.2% to 0.5% per foot range.

CLEANING

Before removing the detector, notify the proper authorities that the smoke detector
system is undergoing maintenance and will be temporarily out of service.
Disable the zone or system undergoing maintenance to prevent unwanted alarms.
1. Remove the sensor to be cleaned from the system.
2. Remove the sensor cover by pressing firmly on each of the four removal tabs that hold the

cover in place.

3. Vacuum the screen carefully without removing it. If further cleaning is required continue

with Step 4, otherwise skip to Step 7.

4. Remove the chamber cover/screen assembly by pulling it straight out.
5. Use a vacuum cleaner or compressed air to remove dust and debris from the sensing

chamber.

6. Reinstall the chamber cover/screen assembly by sliding the edge over the sensing cham-

ber. Turn until it is firmly inplace.

7. Replace the cover using the LEDs to align the cover and then gently pushing it until it locks

into place. Make sure that the thermistors do not become bent under the cover on the
FSP-851T and FAPT-851 models.

8. Reinstall the detector.
9. Test the detector as described in TESTING.
10. Reconnect disabled circuits.
11. Notify the proper authorities that the system is back on line.

Figure 4.

COVER

REMOVAL TABS

SENSOR

COVER

SENSING CHAMBER

COVER AND SCREEN

SENSING

CHAMBER

FCC Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable  protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation.  If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.

Please refer to insert for the Limitations of Fire Alarm Systems

COVER

REMOVAL TABS

SENSOR

COVER

SENSING CHAMBER

COVER AND SCREEN

SENSING

CHAMBER

A78-2747-03

FSP-851

FSP-851T and FAPT-851

A78-2747-04

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