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Installation Instructions

LC-203/BLC-203 and LC-204/BLC-204 

1

ISTISJCEBLC2034 0.0

 

 

2012/19/EU

LC-203/BLC-203 and LC-204/BLC-204

DUAL TECHNOLOGY DETECTORS

1. INTRODUCTION

The new line of 

LC-203/BLC-203

 and 

LC-204/BLC-204

 detectors is the best choice for residential and commercial security installations: BLC-203 and BLC-

204 are not UL/ULC listed. They only use digital PIRs which bypass the conversion that usually must be done with traditional detectors where an analog PIR is 
amplified and converted to digital. The FULLY digital technology helps the detector more accurately detect intrusions and not be affected by alterations in white 
light, ultraviolet light, temperature and air movement caused by heating/cooling systems. It is also fully immune to radiated and conducted electromagnetic 
interference. LC-203/BLC-203 and LC-204/BLC-204 detectors are equipped with lenses designed by Johnson Controls and are manufactured by Fresnel 
Technologies, Inc. 

LODIFF

®

 optic creation technology combined with 

POLY IR

®

 materials make it a product of the highest quality and efficiency. LC-203/BLC-

203 and LC-204/BLC-204 detectors are pet immune (feature not evaluated by UL/ULC) and have a 15 m range and a 100-degree detection range. LC-203/BLC-
203 includes mask detection.

2. INSTALLATION

- Using a thin screwdriver, loosen the bottom screw and open the cover (see Fig 1)
- Remove the board from the plastic base by removing the screw on the board (see Fig 2) 
- Open the knockouts needed for mounting onto the wall (or use the non-certified IMQ joint)
- Open the knockouts for removal protection and fix the anchor to the wall (see Fig 2)
- Recommended height is 2.1 m
- Run the connection cables through the bottom of the container and out the top
- Connect the wires on the board as described below

- Fig 1 -

- Fig 2 -

POLY IR

®

4 Plastic Material  

for Detection Stability

POLY IR

®

 lens material. This materials offers a better 

combination of transmittance, environmental stability and 
color than any other polymer on the market. Materials are 
available for the 8-14 micron infrared region. LODIFF

®

 and 

POLY IR

®

 are registered trademarks of Fresnel Technologies, 

Inc.

LODIFF

®

 Fresnel Technology Lenses

This lens series is made by tiling LODIFF

®

 lens pieces. 

These lenses offer significantly improved performance over 
the typical constant-bandwidth Fresnel lens.
LODIFF

®

 and POLY IR

®

 are registered trademarks of 

Fresnel Technologies, Inc.

High RFI Protection

The detector has very high RFI immunity due to 
the complete lack of traditional amplifiers.

White Light Protection

Pet Immunity

Thanks to a new lens design and the digital analysis 
system, all of our detectors are immune to pets weighing 
up to 15 kg.

The detector has no analog components, and the fully 
digital PIR interfaces directly with the microprocessor.

Fully Digital PIR

3. MEANING OF THE LEDS

During normal operation, the LED signals are:

GREEN LED = PIR Alarm; YELLOW LED = MW Alarm; BLUE LED = General Alarm (both PIR and MW)

LC-203/BLC-203: 

In the case of detector masking, the LED corresponding to the masked technology will flash, and the MASK alarm contacts open

LC-203/BLC-203 VERSION

The LC-203/BLC-203 provides continuous detector self-testing, in the case of an anomaly lasting longer than 15 seconds, the detector will report:

- POWER SUPPLY ABOVE THE NOMINAL THRESHOLDS:

Alternating flashing of YELLOW and GREEN LEDs and opening of the MASK contact

- INFRARED SELF-TEST FAILURE

Flashing of GREEN LED and opening of the MASK contact

- MICROWAVE SELF-TEST FAILURE

Flashing of YELLOW LED and opening of the MASK contact

NOTE: Do not partially or completely cover the detector's field of vision
NOTE: the pet function is not IMQ certified

The detector digitally filters white light 
components. 

Jumpers

DIP Switch

Trimmer

Anchor

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