Visonik MCT-441 User Manual

Page of 6
D-300707 
MCT-441 
 
English 
Supervised Wireless PowerCode Gas Detector Installation 
Instructions 
 
 
Español 
Detectores de Gas PowerCode Supervisados inalámbricos 
Instrucciones de Instalación 
 
 
Português 
Detectores de Gás Supervisionados Sem Fios PowerCode 
Instruções de Instalação 
220VAC
GB/US: Red LED
SP: Rojo LED
PT: Vermelho LED
GB/US: Orange LED
SP: Naranja LED
PT: Laranja LED
GB/US: Green LED
SP: Verde LED
PT: Verde LED
GB/US: Test / Silent button
SP: Botón de Test / Silencio
PT: Botão de Teste / Silêncio
 
Fig. 1 - MCT-441 
ENGLISH  
1. INTRODUCTION 
The MCT-441 is fully supervised indoor, easy-to-install, PowerCode Gas 
detector. The MCT-441 is a natural gas detector designed to send an 
alarm when Methane gas is detected. The detectors can be used in a 
house, apartment, caravan, mobile home or yacht. 
The detectors are powered by 220 VAC. An internal Lithium battery is 
used for AC power failure reporting only (the battery does not power the 
detector).  
The detector can send the following messages to the alarm system 
control panel: Gas alarm, gas sensor failure , AC power failure and low 
battery voltage . 
The MCT-441 is designed for wall mounting and should be placed in a 
location where gas presence, for example leakage, is probable. 
Upon
 
gas
 
detection, an audible buzzer is sounded and
 
the built-in 
transmitter transmits a
 
digital
 
message,
 
composed
 
of
 
the
 
detector's 
PowerCode
 
ID
 
followed
 
by
 
status
 
messages.
 
Alarm and
 
other data are 
thus
 
forwarded
 
to
 
the alarm system. A periodic supervision message 
is transmitted automatically (see specifications) to inform the alarm 
system at regular intervals, of the unit’s active participation in the 
system. 
The MCT-441 has a 24-bit ID code, randomly selected in the factory 
from over 16 million possible combinations. This code is therefore 
unique and virtually impossible to reproduce. Compatible PowerCode 
receivers are designed to "learn" specific IDs and respond only to 
them.
 
2. SPECIFICATIONS 
Compatibility:  Compatible with all PowerMax alarm system family 
(PowerMax / PowerMax+ / PowerMax Pro / PowerMaxComplete), 
MCR-304 receiver, MCR-308 receiver or any other PowerCode alarm 
system. 
Gas Type: 
Methane (CH4). 
Frequency (MHz):
 433.92, 868.95, 869.2125 or other frequency 
according to local requirements. 
Transmitter's ID Code: 24-bit digital word, over 16 million 
combinations, pulse width modulation. 
Overall Message Length: 
36 bits. 
Audible Signal Volume: 
At least 85 dB at a distance of 3 m. 
Response Wave: 
8% ± 3% of the gas Lower Explosion Limit (LEL).  
Supervision:  Signaling at 15 minute intervals or according to local 
standards. 
   
Important: The detector will not operate without 220V power 
connection. In the event of a power failure or where the detector is 
not connected to a power source, an AC failure message is sent to 
the control panel (will be received by PowerMax+ version 3.0 and up 
only). Therefore, when installing the MCT-441, to work with 
PowerMax or PowerMax+ revision 2.9 and down, it is highly 
recommended not to  disable the PowerMax/PowerMax+ 
"supervision" function (See "Define Control Panel Parameters" in the 
PowerMax Programming Guide or PowerMax+/PowerMax 
Pro/PowerMaxComplete Installer Guide). 
 
ALARM REPORTS: 
Gas alarm 
Every 20 sec. for the first 3 minutes. 
  Every 3 min. for the next 27 minutes. 
  Alarm stops after 30 min., or if the detector goes into "alarm restore". 
AC failure 
20 seconds after an AC failure occurrence, the AC failure will be 
reported - will be received by PowerMax+ (version 3.0 and up) / 
PowerMax Pro / PowerMaxComplete. The report will be repeated 
every 20 seconds for 3 minutes. 
Trouble message 
When gas sensor fails, failure message will be received only by 
PowerMax+ (version 3 and up) / PowerMax Pro / 
PowerMaxComplete. 
Relative Humidity: 10% - 90% 
Power Source:
 220-240V ~ 50 Hz 
Battery: 3V Lithium battery, type CR123A, Panasonic or Sanyo 
Battery Life Expectancy: 5 years (for typical use, in room temperature) 
Operating Temperature: 0
°C to 45°C (32°F to 113°F). 
Dimensions: (LxWxH) 155 x 80 x 58 mm (6-1/8 x 3-1/6 x 2-5/16 in.). 
Weight (including battery):
 370 g (13 oz). 
Standards: Meets requirements of EN 50194, EN 60950, EN 61010-1, 
EN 50270, EN 300220, EN 301489.  
3. INSTALLATION  
3.1 Preparing the Installation 
A.  The MCT-441 gas detector plugs directly into a standard 220VAC 
household switchable outlet (by a switch or circuit breaker). 
Note: The installation must comply with the local authority 
electrical standards. 
B. The ventilation slots must not be blocked and the unit must be kept 
free of dust. 
C. A proper airflow must be maintained through the unit to obtain an 
air sampling of that area of the house where the sensor is situated. 
D.  The unit must be installed at least three feet from any gas 
appliance to eliminate false alarms but should not be placed 
over 20 feet from such appliances. 
E. Install the unit away from any sources of vapor such as alcohol, 
liquor, vehicle exhaust, hair spray, cleaning agents, deodorants, 
paint, fluorocarbons, or industrial solvents because vapors from 
these substances will trigger false alarms. 
F.  Do not install the unit directly above cooking appliances, directly 
above a sink, or adjacent to extractor fans. 
Important! 
•  When the alarm sounds, immediately find out the cause and 
remedy it or evacuate the building 
•  Ventilate the area by opening doors and windows 
•  Immediately extinguish any flames or pilot lights 
•  Do not operate any electrical devices 
•  Determine the source of the gas. Seek a qualified technician or 
call your local gas company 
 
3.2 Installing the MCT-441 
Warning: Installation must be performed by a professional 
person. 
For proper installation, see figure 3 & 4. 
3.3 Enrolling the Detector ID into the Target 
Receiver's Memory 
Refer to the target receiver's installation instructions and follow the 
procedure given there for "teaching" IDs. When you are instructed to 
initiate a transmission from the MCT-441, press the Test / Silent 
button (see Figure 1).