Manual

2 Installation 2-2. Installation of detector
- 19 - GD-70D
GD-70D
SK1 SK2
Power
supply
Power
supply
Alarm contact
External relay
(low voltage relay)
* SK1, SK2: Surge absorbing parts
2-2. Installation of detector
NOTE
To use the pyrolyzer unit (PLU-70), also refer to the individual operating manual.
CAUTION
• Before installing the detector, remove the protective rubber caps from GAS IN and GAS OUT. If the
detector turned on with the rubber caps remaining while the installation, applied overload may
damage the pump and sensor. Do not forget to remove the caps.
Coil
Load