Aleph QT-40B Manual

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Description:

Model QT-40B intrusion detector provides high quality PIR+microwave security at an outstanding

value. Aleph's unique "QT" signal processing evaluates PIR and microwave information, factoring in

ambient temperature and light for superior "Quad-Tech" performance.

Standard QT-40B features include Qualified Motion Analysis, rock-solid RFI Immunity, Digital Operating

System, Dual-Slope Temperature Compensation, Tamper Protection and Selectable Pulse Count.

The SL model includes all of the standard QT-40B features and adds the Security Light feature.

Installation

For best performance, position the intrusion detector so its field of view is free of obstructions, and the anticipated path of an intruder will cross the PIR

"fingers" of the pattern. The detector may be installed at any height from 7 ft. (2.1 m) to 8.5 ft. (2.6 m). Optimum mounting height is 7.5 ft. (2.3m). Avoid

aiming the detector at windows and/or areas exposed to direct sunlight; do not mount the unit so it is looking directly at heating or cooling sources.

Separate the front and rear covers by first removing the cover latch screw. Then use a small screwdriver or similar tool to release the cover latch. To remove

the PCB, push the PCB latch away from the board while grasping a terminal block and pulling the PCB out of the cover. Do not pull on the microwave

module. Refer to Figures 1 and 2, below.

Wire the detector to the control panel using 18 to 22 AWG conductor, standard non-shielded cable. Avoid running alarm wiring parallel to AC wiring.

Wiring knockouts and wire channel are provided in the rear cover for unobtrusive wiring. Terminal block configuration is shown in Fig. 3, below.

Jumper

Settings

Prior to mounting the detector, configure jumper settings as required (see Fig. 2, below).

Pulse Count: When Pulse Count jumper is covering both pins, PC is set at 1: two to three normal steps are required to trigger an alarm. Parking the

PC jumper on one pin (or removing jumper) sets PC to 2: four to five steps will trigger an alarm.

LED Enable: When Jumper is covering both pins, the Alarm LED is enabled. The Alarm LED glows through the lookdown lens when an alarm is

signaled at the Alarm Output terminals. LED brightness automatically increases when light level in detection area is high. As room light dims so does

the LED brightness. Parking the jumper on one pin (or removing jumper) disables the Alarm LED but has no effect on the alarm output.

SL Front / SL Down: -- Included on Model QT-40SL -- These jumpers independently enable and disable the "Front" and "Down" Security Light (SL)

functions. SL Front controls a single white LED which shines through the front (wide angle) lens. SL Down controls two white LEDs which shine through

the lookdown lens. When enabled, Security Light will turn on if motion is detected and room light is dim. Continuous motion will cause Security Light to

remain on. Light will turn off approximately 10 seconds after motion ceases.

Fig. 1 Cover Component Layout

Front

Wide Angle Lens

Lookdown Lens

Mounting Knockouts

Cover Latch Screw

Compliance Information:

Models QT-40B / QT-40BSL

Quad-Tech Intrusion Detectors

40ft (12m) L x 56ft (17m) W

Rear

Wiring Knockouts

Jumper Settings

Pulse Count

Jumper installed on both pins = PC 1

Jumper removed = PC 2

LED Enable

Jumper installed on both pins = LED ENABLED

Jumper removed = LED OFF

Security Light Enable*

Corner Mount

Jumper installed on both pins = SL ENABLED

Knockouts

Jumper removed = SL OFF

Wire Channel

Fig. 2 PCB Layout

PCB latch

Tamper

Terminal Block

Microwave

ALARM

TAMPER

Module

Tamper

PULSE

COUNT

SL Front LED*

LED ENABLE

SL Down LEDs*

FRONT

DOWN

Alarm LED

*NOTE: SL features apply only to Model QT-40BSL

Fig. 3 Wiring Configuration

Terminal Configuration

Power

Alarm

- +

NC C

Power: 1 0 to 16 VDC, 12 VDC Nominal.

Max. current: 15 mA; SL version 30 mA

Alarm Output: NC, 19VDC - 100mA Max

Tamper: NC, 30 VDC - 500mA Max

All wiring must be in accordance

Tamper

with NEC, NFPA 70.

Switch

Patent Information:

US & International Patents Pending

Tamper

NC C