Protections And Alarms - DAB ACTIVE EC Serie Instrucciones Para La Instalación Y El Mantenimiento

For example, if the Start pressure is 4 bar, the Stop
pressure is 6 bar and the DP value is 2 bar, the Slave
Pump will start when the pressure reaches 3 bar:
(P.Stop 6bar – P.Start 4bar)= DP 2bar
H
P.Stop
P.Start
4
DP ½
Master
ON
10.

PROTECTIONS AND ALARMS

The protections and alarms are indicated on the front regulation and control panel located on the cover of each
pump by the lighting of the respective leds and at a distance by the optional relay only in the Pressure and flow
switch and Pressure boosting function.
Overpressure Alarm
External input alarm
(possibility of remote signalling - NO RWS)
(possibility of remote signalling - NO RWS)
Anticycling alarm
Dip-switch Incoherence alarm
Communication absent alarm in Sets of 2 pumps
(possibility of remote signalling - NO RWS)
Dry operation alarm over 15 hours for single pump
Dry operation alarm over 4 hours for Sets of 2 pumps
Led lit with fixed light
Led lit with blinking light
Indicates the number of blinks made by the warning led
(DP 2bar : 2) = DP ½ 1bar
Slave pump Start pressure =
(P.Start 4bar – DP ½ 1bar) = 3 bar
6
4
3
Master and Slave
Master
Master
ON
OFF
Slave
ON
General table of alarms and signals
FRONT REGULATION AND CONTROL PANEL
Alarm name
Dry operation alarm
ENGLISH
6
Master pump Start pressure = 4 bar
Master and Slave pump Stop pressure = 6 bar
(+ 50% of the Start pressure value)
t
DP 1/2 = 1 bar
OFF
Slave pump Start pressure = 3 bar
33
Signal name
Card supplied
without flow
Card supplied
with flow
Antifreeze function
Single Active
System function
Master Communication
Slave Communication
off