ABB 2CSE1220EL Manual page 22

INSTALLATION INSTRUCTIONS
The detector can be connected to 230V - 50 Hz mains supply(if requested) by means of a
230V ac - 12V dc power supply module (2CSE1222EL).
1 2 3 4
L N
L (+)
12V ac/dc
N (-)
1 NO/NC, 10A (NO) / 3A (NC) - 250V ac
Contact without potential that cuts off the flow of gas via a solenoid valve with manual
resetting (NO or NC).
Additional NO contact for local and/or remote signalling function.
Installation and wiring of electrical equipment and devices must be performed by qualified
personnel in compliance with the regulations and laws in force. The manufacturer will not
assume any responsibility for the use of products that should be installed according to
special room/installation standards; the responsibility for this lies with the installer.
The examples shown in this document are for illustration purpose only. When doing the
wiring, strictly follow the laws and regulations in force.
Warning: Before installing the product, turn off the power.
T E R M I N A L S
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