Grundfos rmq-a, Installation & Operating Instruction

Page: 12 / 120

En
gl
is
h (
G
B)
12
Pos. Part Description
1
Rainw
a
ter
coll
ecting t
ank
The water level in the collecting tank is indicated in 10 % steps. If the water level is in
between, e.g. 45 %, the 40 % and 50 % indicator lights have a different light intensity.
2 The potentiometer is only used for the purpose of setting the height of the collecting tank.
3 Press the button to activate or deactivate the liquid level indication.
4
Pum
p
The indicator light shows that the pump is ready for operation.
5
Press [On/Off] to start or stop the operation of the pump. The button can also be used for
manual resetting of the alarm indication "Alarm".
• Press the button once to reset the alarm indication.
• Press the button again to start the pump.
6 The indicator light shows that the pump has been stopped.
7 The indicator light "Pump on" is on when the pump is operating.
8
As standard, the "Auto reset" function is activated on delivery.
• When the indicator light is on, the "Auto reset" function has been activated. The pump
will automatically attempt to restart every 30 minutes after an alarm/fault. After 24 hours,
the pump remains in the alarm state.
• When the indicator light is off, the "Auto reset" function has been deactivated. The pump
will not restart after an alarm/fault.
Pressing [On/Off] (5) for 5 seconds activates/deactivates the "Auto reset" function.
9
The indicator light "Alarm" is on when the pump is in the alarm state.
The alarm state may have been caused by the following:
• dry running
• overtemperature
• overloaded motor
• seized-up motor/pump.
10
Control p
anel
Press the button to switch between the operating modes "Only" and "Auto".
11 The indicator light shows that water is consumed from the mains-water supply.
12 The indicator light "Only" shows that the system is set only to mains-water consumption.
13
The indicator light "Auto" shows that the system is set to automatic changeover between
mains-water operation and rainwater operation.
14
The indicator light "Emergency overflow" is flashing in case of too high mains-water level
and overflow from the mains-water tank. Automatic changeover to mains-water operation
takes place. An acoustic warning signal is given.
15
The indicator light "Backflow" is only active if backflow monitoring equipment (accessory)
has been installed.
Alarm indication: The indicator light is flashing if sewage water flows back into the
collecting tank. Automatic changeover to mains-water operation. An acoustic warning
signal is given.
16
The indicator light "Filter cleaning" is flashing every 120 operating days to remind the
operator that the rainwater filter may need cleaning. The rainwater filter is positioned on
the inlet to the collecting tank and is
not part of the RMQ unit.
17
Press "Reset" to reset optical and acoustic alarm and warning indications.
• Reset the acoustic signal by briefly pressing the button.
• Reset the optical signal by pressing the button for approx. 5 seconds.