4
Table 3:
Logic table of relay
Alarm Type
Alarm LED
Input State
Output Relay State
Remark
Temperature
Leakage
Temp
(9 & 10)
Leak
(11 & 12)
Pump
(5 & 6)
Alarm
(4 & 3)
Leak
(2 & 1)
closed
open
closed
open
open
Normal
operation
Temperature
Yes
-
> 3.3 kohm
open
open
closed
open
Pump stops
Leakage
-
Yes
closed
< 100 kohm
closed
open
closed
Pump runs
Temp. + Leak.
Yes
Yes
> 3.3 kohm
< 100 kohm
open
closed
closed
Pump stops
EN
Temperature and leakage relay type ABS CA 462, Installation guide
81907004H