Honeywell Notifier NFXI-BEAM-T Installations- Und Wartungsanleitung

INSTALLATION AND MAINTENANCE INSTRUCTIONS
NFXI-BEAM AND NFXI-BEAM-T REFLECTED TYPE
PROJECTED BEAM SMOKE DETECTOR
GENERAL
The model NFXI-BEAM is an addressable long range projected beam
smoke detector designed to provide open area protection. It consists of
a combined transmitter/receiver unit and a reflector. Smoke entering the
area between the two components causes a reduction in the signal
returned to the receiver. When the obscuration reaches the alarm
threshold, selected at the transmitter/receiver unit, the detector
generates an alarm signal. Complete blockage of the beam causes a
fault signal. Slow changes in obscuration due to a build up of dirt or dust
on the lens of the detector are compensated for by a micro-controller
that continuously monitors the signal strength and periodically updates
the alarm and fault thresholds.
reaches its limit, the detector generates a fault signal, indicating the need
for service. After local testing is complete, the yellow LED will blink a
pattern to indicate the level of drift compensation employed during the
test (see Blinks Output by Yellow LED table at back of manual).
The model NFXI-BEAM-T includes an integral servo controlled
calibrated test filter, which allows automatic remote alarm testing.
SPECIFICATIONS
General
Range:
Sensitivity:
Maximum angular misalignment
Environmental
Temperature:
Humidity:
Mechanical
Dimensions (Without Faceplate):
Dimensions (With Faceplate):
Wiring:
Adjustment Angle:
Electrical
Voltage:
Avg. Standby Current:
Advanced Protocol Mode:
Max. Alarm Current (LED on):
Max. Fault Current (LED on):
Max. Alignment Current:
External Supply (for NFXI-BEAM-T
auto -alarm test only)
Remote Output (alarm):
PARTS LIST
Description
Transmitter/Receiver Unit
Paintable Trim Ring
Reflector (REFL6500)
Plug-in Terminal Blocks
Isolator Shunts
Orange Alignment Assistance Label
Instruction Manual
NB200-00-02
When the self-compensation circuit
5 to 70m
70 to 100m using optional
accessory 6500-LRK/BEAMLRK
Level 1 = 25% (1.25dB)
Level 2 = 30% (1.55dB)
Level 3 = 40% (2.22dB)
Level 4 = 50% (3.01dB)
Level 5 = 30% to 50% Adjusting
(Acclimate)
Level 6 = 40% to 50% Adjusting
(Acclimate)
Detector ± 0.5°
Reflector ± 10°
-30°C to 55°C
10% to 95% Relative Humidity
(Non-condensing)
229mm x 178mm x 84mm
253mm x 193mm x 84mm
0.3 mm² to 3.2 mm²
±10° Horizontal and Vertical
15 to 32 VDC (15-28.5V when
using isolators)
2mA @ 24VDC; 1 comm. every
5sec, LED flashing.
Read 16 sec. LED blink 8 sec
8.5mA
4.5mA
20mA
Voltage: 15 to 32 VDC
Current: 0.5A Max.
Voltage: 15 to 32VDC
Current: 6mA to 15mA.
Limited by 2.2KΩ resistor
Quantity
1
1
1
3
2
1
1
APPROVED ACCESSORIES
6500-LRK/BEAMLRK
Long Range Kit comprising three additional 20cm x 20cm reflectors,
which may be mounted in a square with the supplied reflector, permitting
the detector to be used for ranges from 70m to 100m.
6500-MMK/BEAMMMK
Multi-Mounting Kit allowing the NFXI-BEAM to be mounted to ceilings, or
to walls where the detector and reflector cannot be mounted within 10° of
one another. One kit mounts either the transmitter/receiver unit or
reflector. If the transmitter/receiver is mounted on the MMK, then the
6500-SMK/BEAMSMK must be used. Note that only a single 20cm x
20cm reflector can be mounted using the MMK:
BEAMLRK is not compatible with the MMK.
6500-SMK/BEAMSMK
Surface Mounting Kit for the transmitter receiver (also used in
combination with the 6500-MMK/BEAMMMK) to give an additional 43mm
depth to assist surface mounting and to permit side entry cabling.
RTS151KEY
Remote test and annunciator accessory that enables the detector to be
tested remotely, providing test and reset functions, it has a Red LED to
indicate alarm conditions. (Note: Back-box, if required, needs to be ordered
separately - part number WM2348)
DETECTOR MOUNTING
Location
The NFXI-BEAM must be located in accordance with local standards
and guidelines, for example BS5839 part 1. For general information,
refer to the application guide for projected beam smoke detectors
available on request from your supplier.
Mounting Position
Beam detectors require a very stable mounting surface for proper
operation. A surface that moves, shifts, vibrates, or warps over time
may cause false alarm or fault conditions. Initial selection of a proper
mounting surface will eliminate nuisance alarms and fault signals. Mount
the detector on a stable mounting surface such as brick, concrete, a
sturdy load-bearing wall, support column, structural beam, or other
surface that is not expected to experience vibration or movement over
time. DO NOT MOUNT the beam detector on corrugated metal walls,
sheet metal walls, external building sheathing, external siding,
suspended ceilings, steel web trusses, rafters, non-structural beam,
joists, or other such surfaces.
tolerance to movement than the transmitter/receiver, hence in cases
where only one stable mounting surface as defined above can be used,
the transmitter/receiver unit should be mounted to the stable surface.
See specifications for maximum permissible angular misalignment;
movement outside these limits may cause nuisance alarms and faults.
Mounting Considerations
• There must be a permanent clear line of vision between the detector
and the reflector.
• Reflective objects should be a minimum of 380mm from the line of
sight between the detector and reflector to avoid compromise of the
protected area by reflected light.
• Direct sunlight or strong lights into the transmitter/receiver unit
should be avoided. There should be a minimum of 10° between the
paths of the light source and the detector beam.
• Operation of the detector through panes of glass should be avoided
if possible. If it is necessary to pass though glass, the angle between
the beam and glass should be set a minimum of 10° off perpendicular,
and operation through multiple panes should be avoided.
MOUNTING
The transmitter/receiver unit may be mounted directly to the wall, with
rear cable entry. The detector base has four primary mounting holes,
one in each corner of the base. All four holes must be used to provide
secure mounting. In order to mount the detector to the wall, the outer
cover must be removed after unscrewing it's four retaining screws.
1
The 6500-LRK/
The reflector has a much greater
I56-3878-000