Hanna Instruments Groline HI981412 - Page 11

11
DESCRIPTION
Alarm Relay, Power & Level Sensor
ALARM RELAY OUTPUT
SPDT 2.5 A / 230 Vac
NO
Normally Open
COM
Common
NC
Normally Closed
NO COM NC
Pump controller not powered
or
Alarm condition
NO COM NC
Working condition with no alarm
POWER INPUT
L
Line
PE
Protective Earth
N
Neutral
LEVEL SENSOR
Low level sensor in tank