Publicidad
Idiomas disponibles
Idiomas disponibles
3.3.4 Setting the pump operating mode
LED display
1
2
3
4
5
6
7
8
9
• Pressing the button for the 9th time returns to
the basic setting (constant speed / characteristic
curve III).
3.3.5 Possible pump faults, causes and possible solutions
Colour of LED
Possible fault
Turbine.operation
Idle.operation
Flashing.
Red-Green
Under/overvoltage
Flashing
Excessive.temperature
red
Steady
"Permanent.lockout".
red
LED.Off
74
Control mode
Pump curve
II
Constant speed
Constant speed
I
III
Variable di erential
pressure
p-v
Variable di erential
II
pressure
p-v
I
Variable di erential
pressure
p-v
Constant di erential
III
pressure
p-c
II
Constant di erential
pressure
p-c
Constant di erential
I
pressure
p-c
III
Constant speed
Cause
The.hydraulic.system.of.the.pump.is.pow-
ered,.but.the.pump.has.no.mains.voltage
Air.in.the.pump
The.motor.runs.with.difficulty..The.number.
Overload
of.revolutions.is.lower.compared.to.normal
operation
Supply.voltage.too.low/high
Excessive.temperature.inside.the.pump
Short.circuit
Motor.current.too.high
Rotor.blocked
stop
Circuit.board.and/or.motor.failure
Electrical.power.failure
Stopped
Faulty.LED
Faulty.circuit.board
Variable
Recommended for two-pipe heating systems with radi-
di erential
ators to reduce the ow noise at thermostatic valves.
pressure
p-v (I, II, III)
The pump reduces the delivery head to half in the case of
H/m
decreasing volume ow in the pipe network.
III
II
Electrical energy saving by adjusting the delivery head to
I
the volume ow requirement and lower ow rates.
There are three pre-de ned pump curves (I, II, III) to
choose from.
Q/m³/ h
Constant
Recommended for under oor heating for large-sized
di erential
pipes or all applications with out a variable pipe network
pressure
curve (e.g. storage charge pumps), as well as single-pipe
p-c (I, II, III)
heating systems with radiators.
The control keeps the set delivery head constant irre-
H/m
III
spective of the pumped volume ow.
II
There are three pre-de ned pump curves (I, II, III) to
choose from.
I
Q/m³/ h
Constant
Recommended for systems with xed system resistance
speed (I, II, III)
requiring a constant volume ow.
The pump runs in three prescribed xed speed
H/m
III
stages (I, II, III).
II
NOTICE
I
Factory setting:
Constant speed, pump curve III
Q/m³/ h
Possible solution
-.Check.the.mains.voltage
-.Check.that.there.are.no.leaks.in.the.
system
-.Check.the.mains.voltage
-.Check.the.system.flow.rate/pressure
-.Check.the.characteristics.of.the.water.
in.the.system;.remove.debris.from.the.
system
-.Check.the.mains.voltage
-.Check.the.water.temperature.level.in.re-
lation.to.that.of.the.ambient.temperature
-.Check.the.mains.voltage
-.Check.the.environmental.operating.condi-
tions
-.Check.the.mains.voltage
- Restart manually
-.REPLACE.THE.PUMP
-.REPLACE.THE.PUMP
-.Check.the.connection.to.the.power.supply
-.Check.to.see.if.the.pump.can.work
-.REPLACE.THE.PUMP
Publicidad
