Installation Instructions; Technical Features - Gewiss SYSTEM GW 20 867 Bedienungsanleitung

INSTALLATION INSTRUCTIONS

Gas detector with tin dioxide semiconductor sensor.
Acoustic/luminous alarm signal.
Output relay with hermetically sealed contacts that control the gas cut-off solenoid valve.

TECHNICAL FEATURES

• Power source
• Electrical input
• Alarm threshold
• Acoustic alarm
• Relay output
• Working temperature
• Relative humidity
• Fixing
• Size
• Once installed and plugged in, the detector will last for 5 years.
RELEVANT STANDARDS
• EN 50081-1; EN 50082-1; CEI 216-8
* The sensor reaches full efficiency after 10 days from plugging in.
Technical features
12V ac/dc +10/-15%
2VA
9% LIE (lower limit of esplosivity)
piezoelectric siren producing 85dB at 1 m
one switching contact
1 NO/NC, 10A (NO) / 3A (NC) - 250V ac
from +5°C to +40°C
+30 - 90%, condensation free
slots into System-Playbus bracket
2 System-Playbus modules
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