
INSTRUCTION & SERVICE MANUAL
D105 AlertAlarm Sounder
E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH [email protected] e2s.com D172
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IS Issue 1 14/05/2021
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1Nm
For D105AC units wire an Earth to the E terminal on the PCBA in order to Earth the metal housing.
For D105DC units, using a ring terminal, fit an Earth to the
shown location underneath the M4 screw and M4 spring
washer. This point shall not be used for any other purpose
(e.g. ground bonding).