ELCOS SRL
- Parma - CIM-137/4G - 137/4GW - MAN - EN
9
DESCRIP-
TION OF
FA
U
LT
S
O
R
FUNCTIONS
INDICA
TION
ON THE
FRONT
P
ANEL
MOT
OR PUMP
PROBE
INST
ANT
OF
ACTIV
ATION
(seconds)
INTER
VEN-
TION DELA
Y
(seconds)
PROGRAM- MED
THRESHOLD
(F
ACT
OR
Y
SETTING)
ST
ORES
THE
FUNCTION
DECELE-
RA
TION
ENGINE
COOLING
ST
OP
INTER
VENTION OCCURS WHEN:
THE END
OF WORK
FUNCTION
DUE
TO FLOW
SWITCH IN- TER
VENTION
END OF
WORK FLOW
SWITCH
FLOW SWITCH
When the pump protec- tion active
warning light
comes on
20
=
NOT
SLOW
YES
WITH
ST
OP
There is no water fl
ow and the intervention delay has
elapsed.
AV
AILABLE
FAUL
T INPUT
A1
A1
=
Always active
5
=
YES
SLOW
YES
WITH
ST
OP
The input is negative (-) and the intervention delay has elapsed.
AV
AILABLE
FAUL
T INPUT
A2
A2
With running
engine
FAILURE
TO
PRIME MAIN PUMP
FAILURE
TO
PRIME
(fl
ashing)
PUMP
PRI-
MING LEVEL
PROBE
With running
engine
240
=
YES
=
NOT
WITH
ST
OP
The priming probe does not sense water presence and the intervention delay has elapsed.
FAILURE
TO
FILL
PIPES
FAILURE
TO
FILL
ELECTRONIC PRESSURE SWITCH
120
=
YES
SLOW
NOT
WITH
ST
OP
The working pressure is not reached and the interven- tion delay has elapsed.
OVERSPEED
OVER-
SPEED
AL
TERNA
TOR
TERMINAL
W
Always active
2
4000 RPM
YES
=
NOT
WITH
ST
OP
The speed remains higher than the programmed thresh- old for the entire duration of the intervention delay
.
INSUFFICIENT
PUMP
W
ATER
PRESSURE
INSUFFICIENT
W
ATER PRES-
SURE
ELECTRONIC PRESSURE SWITCH
After detection of working pressure and in any case 600” after the pump started
5
=
YES
SLOW
YES
WITH
ST
OP
The pump water pressure remains lower for the entire duration of the intervention delay
.
PUMP
W
ATER
OVERPRES- SURE
PUMP
OVER-
PRESSURE
The pump water pressure remains higher for the entire duration of the intervention delay
.
ABNORMAL
ACCELER-
ATION
ABNORMAL
ACCELER-
ATION
With running
engine
60
Allowed accel- eration percen- tage 20%
YES
SLOW
NOT
WITH
ST
OP
The speed remains higher than the programmed thresh- old for the entire duration of the intervention delay
.
END OF
WORK DUE
TO UNDER-
SPEED
INTER-
VENTION
UNDERSPEED
END
OF
WORK
AL
TERNA
TOR
TERMINAL
W
When the pump protec- tion active warning light
comes on.
120
Allowed deceleration percentage 10%
NOT
SLOW
YES
WITH
ST
OP
The speed drops below the programmed threshold and the working pressure remains constant for the entire duration of the intervention delay
.
EMERGENCY
ST
OP
EMERGENCY
STO
P
EMERGENCY BUTT
ON
Always active
=
=
YES
=
NOT
WITH
ST
OP
Emergency button is pressed.
ADJUSTMENT
ERROR
ADJUSTMENT
ERROR
AL
TERNA
TOR
TERMINAL
W
With running
engine
120
=
YES
=
NOT
WITH
ST
OP
The rotation speed of the engine has not changed after 120 seconds.
PUMP
W
ATER
PRESSURE TRANSMIT
-
TER
TPA
DISCON-
NECTED
ELECTRONIC PRESSURE SWITCH
AL
W
AYS
ACTIVE
60
=
YES
SLOW
NOT
WITH
ST
OP
The pressure transmitter circuit is disconnected.