Grundfos Hydro Multi-B Instrucciones De Instalación Y Funcionamiento página 13

Pos. Displays
Setpoint
1___!
1___!
/ setpoint
E.St
OFF
8
On
0-N
bUS
LOC
Measured value
---
9
Err
H.L
/
measured value
Indicator
Pos. Status
lights
Off
10
WS
Red
Off
11
PT
Red
Off
12
Red
(pump LED)
Green
Flashing green
13 AUTO Yellow
14 OFF Yellow
Indicator
Pos.
lights
15 and 16
(system LEDs)
* The last pump in operation might have been stopped temporarily by the low-flow stop function.
Description
Shows the setpoint.
Tank symbol appearing in tank-filling mode with float switches.
Alternates between tank symbol and setpoint in tank-filling mode with analog input.
External stop: Indicates that the system has been stopped externally via a digital input.
Indicates that the system has been set to "OFF".
Indicates that the system has been set from OFF to ON. "On" is only shown for 3 seconds after which
the setpoint will be shown.
Indicates that buttons on the CU 323 have been locked automatically. Unlock the buttons by pressing
(Reset) and or (Reset) and
RESET RESET
Indicates that the system is remote-controlled.
Local: Appears if attempts to change local settings are made while the system is remote-controlled.
Shows the actual, measured value on the discharge side.
Appears in tank-filling mode with float switches.
Appears in case of a primary sensor fault.
Alternates between the actual, measured value on the discharge side and "H.L" when a maximum
discharge pressure or a level limit has been exceeded.
Description
Normal state.
Water shortage fault.
Normal state.
Primary and/or redundant sensor fault.
Maximum discharge pressure or level limit has been exceeded.
The pump has stopped due to cascade operation.
The system is in "OFF" state.
The power supply has been switched off.
A pump fault has occurred.
The pump is running.
The pump is in standby mode or has been stopped by pressing
The pump is controlled by the CU 323.
The pump has been stopped by pressing
Status
Pos. 13: Pos. 14:
system run alarm
(green) (red)
Off Off
On Off
Flashing Off
Off On
On On
Flashing On
for 2 seconds.
or via remote control.
Description
The power supply has been switched off.
The system is in normal operation.*
The system has been set to stop.
The system has been stopped due to an alarm.
The system is in normal operation, but there is a warning.*
The system has been set to stop, and there is a warning.
or via remote control.
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