MB200-00-02
1
I56-3879-000
DEUTSCH
ESP
AÑOL
ENGLISH
IT
ALIANO
GENERAL
The model MI-LPB2-S2I 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. When the self-compensation circuit
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).
SPECIFICATIONS
General
Range:
5 to 70m
70 to 100m using optional
accessory 6500-LRK/BEAMLRK
Sensitivity:
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)
Maximum angular misalignment
Detector ± 0.5°
Reflector ± 10°
Environmental
Temperature:
-30°C to 55°C
Humidity:
10% to 95% Relative Humidity
(Non-condensing)
Mechanical
Dimensions (Without Faceplate):
229mm x 178mm x 84mm
Dimensions (With Faceplate):
253mm x 193mm x 84mm
Wiring:
0.3 mm² to 3.2 mm²
Adjustment Angle:
±10° Horizontal and Vertical
Electrical
Voltage:
15 to 32 VDC (15-28.5V when
using isolators)
Avg. Standby Current:
2mA @ 24VDC; 1 comm. every
5sec, LED flashing.
Advanced Protocol Mode:
Read 16 sec. LED blink 8 sec
Max. Alarm Current (LED on):
8.5mA
Max. Fault Current (LED on):
4.5mA
Max. Alignment Current:
20mA
External Supply
Voltage:
15 to 32 VDC
Current:
0.5A Max.
Remote Output (alarm):
Voltage:
15 to 32VDC
Current:
6mA to 15mA.
Limited by 2.2K
Ω
resistor
PARTS LIST
Description
Quantity
Transmitter/Receiver Unit
1
Paintable Trim Ring
1
Reflector (REFL6500)
1
Plug-in Terminal Blocks
3
Isolator Shunts
2
Orange Alignment Assistance Label
1
Instruction Manual
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 MI-LPB2-S2I 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: The 6500-LRK/
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 annunciator accessory providing a reset function, 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 MI-LPB2-S2I 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. The reflector has a much greater
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.
INSTALLATION AND MAINTENANCE INSTRUCTIONS
MI-LPB2-S2I REFLECTED TYPE PROJECTED BEAM
SMOKE DETECTOR
