ADEMCO PY2700TEM Instructions d'installation et d'entretien

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INSTALLATION AND MAINTENANCE INSTRUCTIONS FOR MODEL PY2700TEM

ANALOGUE ADDRESSABLE MULTI-CRITERIA SMOKE SENSOR

Before installing the sensor, please thoroughly read System Sensor's wiring and installation manual, I56-407-XX, Guide for Proper Use of System

Sensor Smoke Detectors. This manual includes detailed information on sensor spacing, placement, zoning and special applications. Copies of

this manual are available at no charge from Ademco.

GENERAL DESCRIPTION

Model PY2700TEM analogue addressable sensors are microprocessor controlled plug-in type smoke sensors that combine photo electronic and

fixed temperature thermal (58°C) sensing elements with addressable-analogue communications. These sensors are designed for open area

protection and must only be connected to control panels that use a compatible proprietary analogue addressable communication

protocol for monitoring and control.

Two LEDs on each sensor light to provide a local 360° visible sensor indication. The LEDs can be latched on by code command from the control

panel for an alarm indication. They can also be unlatched to the normal condition by code command. Remote LED indicator capability is

available as an optional accessory wired to the standard base terminals.

SPECIFICATIONS

Operating Voltage Range:

15 to 32 VDC

Max. Standby Current:

250 µA @ 24 VDC (no communication)

Max. Avg. Standby Current:

300 µA (one communication every 5 sec. with LED blink enabled)

Max. Alarm Current (LED on):

7 mA @ 24 VDC

Operating Humidity Range:

10% to 93% Relative Humidity, non-condensing

Temperature Range:

-30°C to 80°C

Nominal Activation Temperature:

58°C

Height:

43 mm installed in B501 Base

Diameter:

102 mm installed in B501 Base

Weight:

111 g

This detector has been independently tested and certified to EN54: 2000 parts 5 and 7 and CEA 4021.

WIRING GUIDE

Refer to the installation instructions supplied with the plug-in sensor bases for wiring details. All bases are provided with terminals for power and

an optional Remote Indicator.

NOTE: All wiring must conform to applicable local and national codes and regulations.

NOTE: Verify that all sensor bases are installed and that polarity of the wiring is correct at each base.

Disconnect loop power before installing sensors

SENSOR INSTALLATION

Set the sensor address (see Figure 1) by using a flat blade screwdriver to turn the two rotary switches, selecting the desired number

between 01 and 99. Record the address on the label attached to the base.

Insert the sensor into the base and rotate it clockwise with gentle pressure until it drops into place.

Continue to rotate the sensor until it locks into the base.

After all the sensors have been installed, apply power to the system.

Test the sensor as described under TESTING.

Reset the sensor by communication command from the panel.

Tamper Resistance

Model PY2700TEM includes a feature that, when activated, prevents removal of the sensor without the use of a tool. Refer to the installation

instructions for the sensor base for details of how to use this feature.

Dust covers help to protect units during shipping and when first installed. They are not intended to provide complete protection

against contamination therefore sensors should be removed before construction, major re-decoration or other dust producing work

is started. Dust covers must be removed before system can be made operational.

6 7

TENS

ONES

AD600-06-00

WARNING

CAUTION

Figure 1: Rotary Decade address Switch

TESTING

Sensors must be tested after installation and following periodic maintenance.

However, before testing, notify the proper authorities that the smoke detector system

is undergoing maintenance and the system will be temporarily out of service. Disable

the zone or system undergoing maintenance to prevent unwanted alarms.

In addition, check to ensure that the LEDs blink (if this feature is operational under

software command). If they do not, power has been lost to the sensor (check the

wiring).

Test the sensors as follows:

Magnet Test

Test the sensor by positioning the test magnet (Model M02-04, optional) against

the sensor body approximately 2cm from the LED as indicated in Figure 2.

Both LEDs should latch on within 30 seconds indicating an alarm and activating

the panel.

Smoke Test

Use either a canned smoke aerosol or a detector tester for generating artificial

smoke to test the detector. Inject the smoke into the detector's chamber using

the test smoke as recommended by the manufacturer and ensure that it is

present until an alarm occurs on the detector.

The red alarm LED should latch on within 30 seconds indicating an alarm and

activating the panel into a condition to indicate the detector under test.

Direct Heat Method (Hair dryer of 1000-1500 watts).

Direct the heat toward the sensor from its side. Hold the heat source about 15

cm away to prevent damage to the cover during testing.

The LEDs on the sensor should light when the temperature at the detector

reaches 58°C. If the LEDs fail to light, check the power to the sensor and the

wiring in the sensor base.

Reset the sensor at the system control panel.

If the sensor fails these tests, they should be returned for repair.

MAINTENANCE

Before cleaning, notify the proper authorities that the system is undergoing

maintenance and will be temporarily out of service. Disable the system to prevent

unwanted alarms.

Remove the sensor to be cleaned from the system.

Remove the sensor cover. Use a small flat blade screwdriver to gently release

each of the four cover removal tabs that hold the cover place. Use caution to

avoid damaging the thermistors (see Figure 3).

Vacuum the outside of the screen carefully without removing it.

Remove the sensor screen. Pull the screen straight away from the sensing

chamber until it snaps out of place. Replacement screens are available.

Remove the chamber cover by pulling it gently away from the sensing chamber

until it snaps out of place, being careful not to damage the thermistors.

Use a vacuum cleaner and/or clean, compressed air to remove dust and debris

from the sensing chamber and sensing chamber cover.

Re-install the sensing chamber cover by aligning the arrow moulded on the

cover with the arrow printed on the circuit board and sliding the cover over the

chamber, gently pressing it home until it snaps into place.

Re-install or replace the sensing chamber screen by sliding it over the sensing

chamber. Rotate the screen until the locating tabs on the bottom rim locate in

the cutouts in the chamber base, and the top of the screen is flush with the top of

the chamber.

Re-install the sensor cover. Use the cover removal tabs, LEDs and thermistors

to align the cover with the sensor. Snap the cover into place.

10.

When all sensors have been cleaned and re-installed, restore power to the loop

and test the sensor(s) as described under TESTING.

After completion of maintenance and testing, notify the proper authorities that the

system is operational.

WARNING

LIMITATIONS OF SMOKE DETECTORS

The PY2700TEM Multi Criteria detector is designed to activate and initiate emergency

action, but will do so only when used in conjunction with other equipment. Fire detectors will not work without power.

PY2700TEM detectors will not sense fires which start where smoke or heat does not reach the detectors. Smoke or heat from fires in

chimneys, in walls, on roofs, or on the other side of closed doors may not reach the detector and trigger the unit.

A detector may not detect a fire developing on another level of a building. Hence, detectors should be located on every level for a building.

Fire detectors also have sensing limitations. In general, detectors cannot be expected to provide warnings for fires resulting from inadequate

fire protection practices, violent explosions, escaping gas, improper storage of flammable liquids like cleaning solvents, other safety hazards, or

arson. Fire detectors used in high air velocity conditions may fail to alarm due to dilution of smoke densities created by such frequent and rapid

air exchanges. Additionally, high air velocity environments may create increased dust contamination, demanding more frequent maintenance.

Fire detectors contain electronic parts, and cannot last forever. Even though detectors are made to last over 10 years, any of these parts

could fail at any time. Therefore, test your fire detection system at least semi-annually. Clean and take care of your fire detectors regularly. Taking

care of the fire detection system you have installed will significantly reduce your product liability risks.

Ademco, 165 Eileen Way, Syosset, NY11791

Figure 2: Test Magnet Positioning

TEST

MAGNET

SENSOR

COVER

SENSOR

SCREEN

OUTER

CHAMBER

ASSEMBLY

OPTICAL SENSING

THERMISTOR

CHAMBER

Figure 3: Sensor with Cover Removed

I56-1722-002