Instruction Manual

Date: 20.09.2004
Instruction Manual
Pressure Regulation System for 1-, 2, and 3-pump-panel
Table of contents Page
1. Safety precautions 2
2. General / Mode of operation 4
3. Models 6
4. Installation and Mounting 7
5. Wiring / Connections 8
6. Extended functions Auto start / Auto reset 12
7. Name of keys 13
8. Changing values of data and parameters 14
9. Operation procedure 15
10. Display functions 16
11. Parameters 17
12. Protective functions / Trouble-shooting 19
13. Standard specifications 21

Instruction manual
1. Safety Precautions
Please read this manual carefully and all of the warning signs attached before installing or
operating the equipment
Keep this manual handy for your reference.
Definitions of safety instructions
A safety instruction (message) is given with a signal word:
WARNING ! or CAUTION !
WARNING !
Indicates a potentially hazardous situation which, if not avoided, can result in serious injury or
death.
CAUTION !
Indicates a potentially hazardous situation which, if not avoided. can result in minor to moderate
injury, or serious damage to the product.
General
WARNING !
These instructions should be read and clearly understood before working on the system. This
equipment should be installed, adjusted and serviced by trained and qualified electrical
maintenance personnel. Failure to observe this precaution could result in bodily injury.
WARNING !
Motor control equipment and electronic controllers are connected to hazardous line voltages. When
servicing drives and electronic controllers, you may be exposed to components at or above the line
potential. Extreme care should he taken to protect against shock. Dangerous voltage may exist after
the power light is off.
Wait more than 5 minutes after turning off the power supply before performing maintenance or
inspection. Hazard of electric shock. Disconnect incoming power before working on this unit.
WARNING !
Install an emergency stop key separately from the isolator. Rotating shafts can be hazardous.
WARNING!
This equipment has a high leakage current and must be permanently fixed to earth. The inverter
should be protected separately against ground fault.
Observe the regional regulations for electrical installation!
WARNING !
This equipment has a high leakage current and must be permanently fixed to earth.
WARNING!
Do not attach or remove wiring or connectors when the power is applied. Do not check signals
during operation. When the power is turned on when the running command is on, the motor will
start rotating. The stop key is only effective when the function is set. If there is a power failure and
an operation instruction is given the unit may start automatically when the power is reinstated.
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Instruction manual
WARNING!
Make sure that the input voltage is correct. Be sure to install the unit in a room that is not exposed
to direct sunlight and is well ventilated. Avoid environments which have a high ambient
temperature, high humidity or excessive condensation. Avoid dust. corrosive gas, explosive gas,
inflammable gas, grinding-fluid mist and salt damage, etc.
WARNING !
Do not connect the power source to any terminals except power connectors.
WARNING !
If you want to operate at a frequency higher than standard setting value (50 Hz), be sure to check
the speeds of the motor and the machine with each manufacturer. Voltage and insulation resistance
tests are executed before the unit is shipped. Never perform test insulation resistance and voltage
tests at the inverter. Do not stop operation by switching off the power supply.
CAUTION!
It is strongly recommended that all electrical equipment conforms to the National Electrical Codes
and local regulations. Installation, alignment and maintenance should be performed only by
qualified personnel. The manufacturer reserves the right to alter the technical data in order to make
improvements or update information.
CAUTION!
Failure to observe these rules will render the guarantee invalid. The same applies to repair jobs
and/or replacement.
CAUTION!
The manufacturer declines all responsibility in the event of damage or injury caused as a result of
tampering with the equipment.
CAUTION!
Do not switch on/off power supply to run/stop the motor/system! Start the unit only by using run
button or external run command.
Page 3 of 21

Instruction manual
2. General
Pressure Regulation System
Thank you for buying this high quality controller unit.
For the best results, read this manual carefully and note all warnings. Follow all the instructions
exactly. Keep this manual handy for quick reference.
This controller operates fully automatically depending on the demand of water. It is able to regulate
the output frequency (= revolutions per minutes) of the pump continuously variable by an inverterfed
technology. The set pressure will be regulated nearly constant; as well at different/changing
operation situations. The pressure transducer (sensor) is reading the actual pressure (feedback). The
(PID-) Controller compares the feedback pressure and the target pressure and regulates the
revolutions of the pump.
The Parameters of the inverter are programmable and can be adjusted to different system
configurations. The system is factory set for most of all cases of operation mode. Parameter
changes should only be done by qualified personnel or after consultation with the manufacturer.
Multiple Pump Operation
Multiple pump sets consists of several controllers. Each of them can operate self-sufficient. If one
pump is stopped/switched off, the other pump(s) will still operate.
The pumps will be started or stopped depending on the requirements. The target pressure has to be
programmed as a cascade of several threshold values. When reaching the threshold values the
pumps will start or stop operating infinitely variable.
Pressure
Target Pressure
2. Threshold Value
3. Threshold Value
Target
Pressure
F01/A20 A21 A23
2. Threshold
value
- A20 A22
3. Threshold
value
- - A21
Depending on actual pressure one or several
pumps are running
Pressure settings via Threshold values (cascade)
>> See also „Parameters“
There is no assignment as to which pump is No. 1 or No. 2. To maintain equal wear on both
pumps the lead pump changes every 5 working hours. The user can manually change the lead pump
by pressing the manual pump changeover button. >> See also “Extended functions”
The system will still operate even when one pump is switched off.
Parameter changes have to done to all pumps/panels!
Page 4 of 21
Parameter
1 Pump 2 Pumps 3 Pumps

Description of a pressure regulation system:
3
2
6
1
4
5
1
7
3
2
4.1
3
5
6
1 1
Example: 1 pump panel Example: 2 pump panel
4.2
5
7
Instruction manual
Caution!
A non-return valve is necessary and should be installed in the pressure pipe. The pressure
transducer must be installed in the pressure pipe behind the non-return valve!
The pressure vessel is not necessary, but it is recommended to use a small one (4…18 litre).
Note: Using a pressure vessel!
If a pressure vessel is fitted it should be pre-charged with air and checked regularly. The pre-charge
pressure results from system pressure minus 0,5 bar.
Example: system pressure: 4 bar
pre-charge the vessel with air to: 3,5 bar
Advantages of variable speed drives:
1 Flow direction
2 Controller
3 Motor
4 Pump
5 Non-return valve
6 Pressure Transducer
7 Pressure vessel
- Nearly constant pressure
- Continuous regulation of power/capacity of pump even when operation situation is
changing
- Energy saving operation
- Low mechanical wear of pumps
- Quick amortization of higher purchase price
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Instruction manual
3. Models
Example: MAS 3.0 D
| | |
| | |____ E Power supply 1 phase (200-230V 50/60Hz)
| | D Power supply 3 phase (380-460V 50/60Hz)
| |
| |________ 3.0 Rated motor capacity
|
|____________ MAS Variable speed drive for 1 pump
DDP VSD for 2 pumps
DRP VSD for 3 pumps
Design
Page 6 of 21
1 pump panel (plastic enclosure)
2 pump panel up to 4.0 kW (plastic enclosure)
2 pump panel 5.5 and 7.5 kW (plastic enclosure)
3 pump panel (metal enclosure)

4. Installation and mounting of the unit
Instruction manual
Caution!
Place the unit with clearance of at least 15 cm around it to provide cooling airflow. Be sure to
check the ambient temperature is within +5°C to +30°C. If there is hot equipment near the unit,
keep the unit as far away as possible. Higher ambient temperature can cause shorter equipment life!
Mounting the unit
Plastic enclosure with aluminium heat sink:
On each side of the heat sink are M5 tapped holes. To mount the unit on a wall or a frame you can
use metal plates or brackets as shown in the figure. Behind the unit you should provide a 20 mm
space to maintain the airflow.
Metal enclosure:
In the back plate are screw holes to mount the unit on a wall or a frame.
Page 7 of 21

Instruction manual
5. Wiring / Connections
WARNING!
Observe the warnings at the start of this manual before making any electrical connections.
WARNING!
Be sure to use the right voltage and to connect the wires to the right terminals!
Models with two separate enclosures
The double pump systems 5.5 kW and 7.5 kW consist of two units - master and slave - that must
be connected with the special cable supplied (Sub-D25 1:1). Each of the units needs its own power
supply. When one unit is switched off the other unit will still operate. The sensor must be
connected to the master unit.
Sensor
Motor protection
Page 8 of 21
MASTER Slave
The inverter is protected against over current. An optional motor thermistor (PTC) is also available.

Terminal box
1 Fuse
2 Terminals
3 Shielding
4 Extended functions
5 Chart of clamps
Instruction manual
Shielded wires must be used to connect pumps, sensor and external inputs and outputs. The
shielding must be connected to the grounding clamp as shown in the figure.
The shielding must be installed properly to protect failures!
Chart of clamps
1 2 3 4
6
on 10% 0%
off
Example: 1 pump panel, 400V power supply
5%
6 Shielding
Multiple pump sets have got several clamps for “Alarm”, “Extern” and “Pump”.
MAS 230V ~
5
Page 9 of 21

Instruction manual
Connector power supply
Caution!
Before switching on power supply make sure that:
- Power supply and Sensor are connected to the right terminals
- External inputs are connected (only if used)
- The inverter is connected to ground
- All screws are fastened (clamps)
- The motor terminal board is connected right: Star- or Delta- connection (230V or 400V)
WARNING!
Be sure to use the right voltage and to connect the wires to the right terminals!
If the length of motor cable is more than 30 meter install an AC reactor on the output side of
inverter.
Clamp Function Description
Single phase models 0.75..... 2.2 (230V):
PE Power supply PE Ground
L1 230 VAC L1 Phase
N 4-6 mm^2 max N Neutral Conductor
Three phase models 1.1.....7.5 (400V):
PE Power supply PE Ground
L1 400 VAC L1 Phase
L2 4-6 mm^2 max L2 Phase
L3 L3 Phase
Connector external signals (for each pump)
Use shielded wire only and connect it to the grounding clamp inside the enclosure!
Clamp Function Description
11 (21/31) Alarm relay Alarm Al 0
12 (22/32) 230 VAC 1A Alarm Al 1
13 (23/33) max 0.75 mm^2 Alarm Al 2
51 external Inputs +24 V DC
14 (24/34) extern 1 (external Start)
15 (25/35) extern 2 (external Reset)
Logic
Page 10 of 21
Alarm relay 230 VAC 1A:
Inputs:
Power ON, no failure Power OFF or Failure
Alarm 0
Alarm 0
Alarm 1 Alarm 1
Alarm 2 Alarm 2
+24 VDC
extern 1
extern 2

Instruction manual
Note:
The external inputs Ext.1 and Ext.2 are programmable with several functions (Parameter C01 and
C05; see „Parameters“). They can be used as N.O. or N.C. (Parameter C11 and C15). As factory set
“extern 1” is used for RUN and “extern 2” is used for RESET.
The unit can be started either with „Ext.“ or with RUN button (Activate by parameter A02). If
using “external run” the running direction can be changed with parameter C01, if using „RUN
button“ the running direction can be changed with parameter F04.
>> See also „extended functions – Auto start“
Connector analogue sensor 0-10V DC
Use shielded wire only and connect it to the grounding clamp inside the enclosure!
Caution!
Be sure to use the right terminals!
Use only the delivered 0..10-V-DC-Sensor – do not manipulate the analogue signal (0..10V)!
Do not connect other devices to the +24 V terminal except sensor and external inputs!
Clamp Function Description
51 Pressure transducer + 24V DC supply for pressure transducer
52 Ground
53 Signal (0..10V)
Connector motor/pump
Use shielded wire only! Fit the shielding to the grounding clamp inside the enclosure and to the
motor!
Clamp Function Description
U 3~ motor U1
V (230V or 400V) V1
W W1
Caution!
Motor must be connected corresponding the output voltage: Star- or Delta- connection (motor
terminal board)!
Input voltage (L1, N) 230V = Output voltage (U, V, W) 230V
Input voltage (L1, L2, L3) 400V = Output voltage (U, V, W) 400V
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Instruction manual
6. Extended functions
5%
1
on
off
10% 0% 2
3
Auto start / Auto reset
With the switch the function automatic run and automatic reset can be selected.
Automatic run: The pump starts operating by turning on power supply.
In this case the RUN-key should not be pressed.
Automatic reset: 40 Seconds (waiting period) after a trip occurs the panel restarts again
automatically.
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If a trip occurs three times in 30 minutes the auto restart mode will be stop - the
unit will stop and the failure will be displayed, the reason for failure has to be
eliminated and the unit manually reset.
CAUTION!
Note that the pump will also restart in case of dry running!
CAUTION!
If “external run” is used and programmed as N.C., pump will start running immediately after power
supply is switched on and the „ext.“ terminal is disconnected!
Sensitivity for zero delivery function
With this potentiometer the sensitivity for the zero delivery function (feedback to the regulation
system; when the delivery of water is stopped, the output frequency has to be reduced) can be
changed. For most cases the sensitivity has to be set to 5%. In some special cases (for example if
no pressure vessel is fitted) it may be necessary to change this sensitivity.
0% no switching off on reaching zero delivery
5% standard setting (recommended for 98% of all systems)
>5% critical systems - for example if no pressure vessel is fitted
Manual pump change
1 Switch for automatic run / automatic reset
2 Sensitivity for zero delivery function
3 Manual pump change-over button
By pressing this button the user can change the lead pump manually. Normally the pump
assignment changes every 5 working hours automatically.

7. Name of keys
Each pump has its own display
CAUTION!
After changing data, wait more than 6 sec. before you continue operation.
8
7
6
5
Power LED (1)
Power lamp for the control circuit.
Monitor (LED display)
This display (7) shows pressure, parameters, etc.
1
2
3
4
Instruction manual
STOP/RESET key (2)
This key is used for stopping the motor or resetting errors. (The stop key is effective only when the
function is set.)
Up key, down key (3)
These keys are used for changing data and parameters.
SET key (4)
Pressing this key after setting data and parameters will memorize the settings.
FUNC key (5)
This key is used for setting up data and parameters.
RUN key (6)
This key is used for starting. (When terminal run is selected, this key does not work.)
RUN LED (8)
This lamp is on while the motor is running or the run command is active.
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Instruction manual
8. Changing value of data and parameters
Only change parameters when pump is stopped.
Description of parameters: see “parameters”
get to parameter level
e.g.
Page 14 of 21
d 01
see value of chosen
parameter
e.g.
1,0
d O1
d O2
back without saving save changed value
e.g. A 21 e.g. A 21
Fast navigation mode (only A-, b- and C-parameter)
get to fast navigation mode
A - -
get to parameter level
e.g.
A 21
e.g.
choose parameter that
shall be changed
.
.
.
A 20
A 21
set value
1,0
.
.
.
2,5
choose
parameter group
A - -
.
.
.
C - -
follow description at the top
CAUTION!
After changing data, wait more than 6 sec. before you continue operation.
Multiple pump sets
Multiple pump systems have got several controllers/displays (one for each pump). Parameter
changes have to be done to all pumps/controllers.

9. Operation procedure
- Pressure and suction gauge is connected to pipe. Pipes/pumps are ventilated.
- Connect sensor, pumps and power supply to the unit.
Caution! Be sure to use the right voltage / clamps.
- Turn on the power source: Power lamp is on.
- Set (target) pressure:
>> see also „Parameters“,
>> see also „General“
- Set parameter b12, b22 and b32 (motor protection) >> see „Parameters“
- Press run key of one pump once. The pump begins to operate.
(If using “external run” the RUN button is no activated; >> see „Parameters“)
Instruction manual
- Was the direction of the motor correct?
To change the running direction use parameter F04; (or: parameter C01 if „external run“ is
used) >> see „Parameters“
Save with SET key, start with RUN key
- Multiple pump sets
Multiple pump systems have got several controllers/displays (one for each pump). Parameter
changes have to done to all pumps/controllers.
- To watch the actual pressure: change the monitor mode to d04 by using the up /down keys and
press the „Func“ key once.
- Open a tap and watch the feedback pressure and the pressure regulation.
- Close the tap; the pump/pumps will stop after a few minutes (switch off by zero quantity).
It is possible to lock the software by setting the function b31 to value 02 while the motor is not
running, after changing the value press the run key once. Now it is impossible to change all
parameter except this function as soon as 02 is set.
Automatic restart after power failure
>> See “Extended function - automatic run and automatic reset”
Frequent problems:
- Sensor is connected wrong
- Sensor is not installed in the pressure pipe behind the non-return valve
- Non-return valve is not installed or not installed in the right direction
- Pipes/pumps are not ventilated
- Wrong running direction
- Motor terminal board is connected wrong (output voltage! Star- or Delta- connection?)
In case of failure follow the tips at “Trouble-Shooting”!
Parameter
1 Pump 2 Pumps 3 Pumps
Target Pressure F01/A20 A21 A23
2. Threshold
value
3. Threshold
value
- A20 A22
- - A21
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Instruction manual
10. Display Functions
Parameter Function name Description
d01 output frequency (Hz)
d02 output current (A)
d04 actual pressure / feedback by sensor (bar)
d07 motor speed (rpm)
d03 running direction F: FW
r: RV
0: Stop
d05 condition of input
intelligent terminal 1..2
d06 condition of output
intelligent terminal Al1..Al2
d08 trip monitor Displays latest trip,
order and operation alarm cause,
output frequency at trip,
motor current at trip,
DC voltage at trip.
There is no latest trip: _ _ _ _
d09 trip history monitor Displays last 2 trips, except latest trip.
If there is no trip: _ _ _ _
Page 16 of 21
Input:
2 1
Output: Al
ON
OFF
ON
OFF

11. Parameters
Only change parameters when pump is stopped.
Multiple pump sets: Parameter changes have to be done to all pumps/controllers.
Instruction manual
Parameter Function Initialise. Range of set value
Basic functions
F01 Pressure setting (only 1 pump set) 2.5 0.5-xxxx bar
F02 1. Acceleration time 2s 0.1-3000s
F03 1. Deceleration time 3s 0.1-3000s
F04 Running direction (If RUN key is used) 00 00: FW
01: RV
A02 Running command 02 01: external RUN (see also C01)
02: RUN key (see also F04)
A20...A23 Pressure setting for multiple pump sets
The target pressure has to be programmed as a cascade of several threshold values: A20..A23. When reaching the
threshold values the pumps will start or stop operating infinitely variable. The difference between the values must be
10 % or minimum 0.5 bar.
Parameter
1 Pump 2 Pumps 3 Pumps
Target Pressure F01/A20
(e.g. 4.0)
A21
(e.g. 4.0)
A23
(e.g. 4.0)
2. Threshold
value
-
A20
(e.g. 3.5)
A22
(e.g. 3.5)
3. Threshold
value
- -
A21
(e.g. 3.0)
All Parameters
Parameter changes should only be done by qualified personnel or after consultation with the manufacturer.
A01 Method of setting pressure 02 00: not used
01: analogue Input (optional)
02: keypad (F01/A20...)
A02 see at the top
A03 Base frequency (U=100%) 50 50-360 Hz
A04 Max. frequency (n=100%) 50 50-360 Hz
A11 frequency at min. pressure setting 0 0-360 Hz
A12 frequency at max. pressure setting 0 0-360 Hz
A13 Min. pressure setting 0 0-100 % of max. value
A14 Max. pressure setting 100 0-100 % of max. value
A15 Start condition 01 00: Min. frequency
01: 0 Hz-Start (A11)
A16 Sampling analogue input 8 1-8
A20...A23 see at the top
A23...A27 4. ... 8. multiple speed drive (optional) 0.0 0.5- xxx bar
A38 Jogging mode 1.0 0.5- xxx bar
A39 internal parameter 00
A41 Boost Characteristic 00 00: manual Boost
01: automatic Boost
A42 Manual boost 11 0-99 %
A43 Max. boost at ..% base frequency 10 0-50 %
A44 V/F-Characteristic 01 00: constant torque
01: reduced torque
A45 Output voltage 100 50-100 % of input voltage
A51 internal parameter 00
A52 internal parameter 0.5
A53 internal parameter 0
A54 internal parameter 0
A55 internal parameter 0.0
A61 max. operation frequency 0,0 0,5…360 Hz
A62 internal parameter 0,0 0,0: this function is not used
A63 internal parameter 0.0
A64 internal parameter 0.5
A65 internal parameter 0.0
A66 internal parameter 0.5
A67 internal parameter 0.0
A68 internal parameter 0.5
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Instruction manual
A71 PID control 01 00: not available
01: available
A72 P gain 1.0 0.2-5.0
A73 I gain 0.5 0.0-150 s
A74 D gain 0.1 0.0-100 s
A75 Sensor factor (depends on sensor) 0.10 0.25, 0.10, 0.06, 0.01 (0.10 for 10 bar sensor)
A76 Feedback input (pressure transducer) 01 00: not used
01: input 0..10V DC
A81 AVR function / Characteristic 02 00: available
01: not available
02 : not available at deceleration
A82 motor voltage 1ph:230 1 phase models: 200..240 V
3ph:400 3 phase models: 380..460 V
A92 internal parameter 15
A93 internal parameter 15
A94 internal parameter 00
A95 internal parameter 0.0
A96 internal parameter 0.0
A97 internal parameter 00
A98 internal parameter 00
b01 Restart mode 01 00: alarm message
01: 0 Hz start
02: frequency matching
03: frequency matching + stop
b02 Allowable under voltage time 3.0 0.3-25s
b03 Retry waiting time 1.0 0.3-100s
b12 Motor protection current (I) motor rated current
b13 Characteristic 01 00: higher protection
01: standard
b21 Over current characteristic 01 00: not available
01: available
02: not available at acceleration
b22 Over current value setting (I)*1.25 [b12] * 0.5...1.5
b23 Time delay 1.0 0.3-30 s
b31 Software lock / characteristic 01 00: param. by SFT, &. pressure settings
01: only parameter by SFT (see C01..)
02: parameter & pressure settings
03: only parameter
b32 no load current (I)*0,58 (58) % of motor rated current
b81 Gain analog output FM 80 0-255
b82 Start frequency 0.5 0.5-9.9 Hz
b83 Carrier frequency 5.0/10.0 =1.5 kW: 5.0
2.0 if ambient temperature is high
b84 Initialisation 00
b85 Initialisation mode 01
b86 rpm display (d07) 59.0 0.1-99.9 (d07 = d01 * b86)
b87 Condition stop key 00 00: always available
01: not available if external run is used
b88 internal parameter 00
b89 internal parameter 01
c01 External Input 1 00 C01...C05 00, 01, 15 or 18 (each func. once)
c02 only 3 pump panels 12 00: external start FW
c03 internal parameter 02 01: external start RV
c04 internal parameter 12/03 15: software lock SFT (see b31)
c05 External Input 2 18 18: external reset
c11 Input “extern 1” N.C. or N.O. 00 00: N.O.
c12 not used 00 01: N.C.
c13 internal parameter 00
c14 internal parameter 00
c15 Input “extern 2” N.C. or N.O. 00 same as c11
c21 internal parameter 04
c22 internal parameter 05
c23 internal parameter 00
c31, c32 internal parameter 00
c33 Alarm relay N.C: or N.O. 01 same as c11
c41 internal parameter 100
c42 internal parameter 0.0
c43 internal parameter 0.0
c44 deviation of PID control (dry running alarm) 20 % 0,0 – 100 % (of max sensor value)
Sensor: 0-10 bar deviation in %: 20 absolutely deviation in bar: 2,0
Sensor: 0-25 bar deviation in %: 20 absolutely deviation in bar: 5,0
Example: set value: 20; sensor: 0-10 bar; presser setting: 6.0 bar; so allowed deviation is 2.0 bar (20% of 10 bar).
If the pump does not reach 4.0 bar (6.0 – 2.0), an dry running alarm occurs (after about 5 Min.)
Attention: If c44 is set to 100 (100%), the dry running protection is disabled!
If pressure falls below 10% of maximum pressure the operation will ever stop after about 40 sec. (“broken pipe
alarm”): for 0..10-bar-sensor 1,0 bar.
c91...c95 internal parameter
Page 18 of 21

12. Protective functions
Instruction manual
The pressure regulation system trips by protective functions against over current, over voltage and
under voltage, which protect the inverter. If the protective functions are engaged, the output is shut
down and hold that condition until it is reset.
Display Trip possible reason
over current protection:
E 01 at constant speed suddenly overloading?
motor blocked?
E 02 at deceleration deceleration time to short?
short circuit?
E 03 at acceleration acceleration time to short?
short circuit?
E 04 at stand still motor blocked?
ground fault?
motor protection:
E 05 overload protection overloading?
output current?
E 07 over voltage protection operating as generator?
deceleration time too short?
E 08 EEPROM error parameters false?
E 09 under voltage protection check power supply!
E 11/E 22 CPU error service department!
E 12 sensor fault check sensor!
dry running check water supply!
hydraulic overloading check system operation!
E 13 running is stopped after trip press reset and restart
E 14 ground fault protection ground fault?
E 15 input over voltage check power supply!
E 21 Thermal protection check ambient temperature!
E 22 CPU error service department!
E 35 PTC error overloading?
Resetting errors
When a trip occurs, there are two possible ways to quit or to reset it:
1. pressing the STOP/RESET key (or reset via external command),
2. disconnecting the power supply.
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Instruction manual
Trouble-Shooting
Monitor is dark
Power supply is on?
Check fuses!
Pump does not run and RUN-LED does not light
Run command is not given?
If RUN key is used: A02: 02, after pressing RUN button LED must light
If “external run” is used: A02: 01, when “+24V” and “Ext.1” are closed LED must light
Pump does not start running but RUN-LED lights
Pressure transducer is nor connected (see also “Pressure display”)?
Pressure in pipe is higher than set target pressure?
Pump does not stop
Set target pressure is to high (pump can not reach pressure)?
Pipe work is not ventilated properly?
Non-return is not fitted in the pressure pipe between pump and pressure transducer.
Non-return is not leak proof?
If short pipes are used, it is recommended to use a pressure vessel behind the non-return valve (precharge
pressure: system pressure minus 0.5 bar)!
Set the little potentiometer of „sensitivity of zero deliver function“ to a higher value!
Pressure monitor shows always maximum pressure
Pressure transducer is not connected?
Sensor cable is fault?
Pressure monitor does not show the right pressure
Factor for transducer is wrong A75; depends on range of used transducer (e.g. 0.10 for 10-bartransducer;
0.25 for 25-bar-transducer)?
Transducer plug is wet?
Cable of transducer is fault?
Target pressure is not able to be set
Parameter A01 is wrong? Must be set to 02 !
Software lock is activated? (see parameter b31: 01 = software lock is not used)
Power-LED “Netz” is flashing
Internal 24V DC supply is fault: inform technician.
Monitor is showing abnormal figures
Display „ C - - “: fast navigation mode between A-, b- and C- parameters
An error is displayed (e.g. E12) and it can not be reset: You have chosen trip history monitor d08?
Display „ _ _ “: power supply is switched off!
Display „ _ _ _ “: no data available for this parameter (e.g. no trip in trip history)
Display „ 0000“ (moving braked 0-figures): a reset command is given
Panel becomes to warm
Check ambient temperature! Provide cooling air flow!
Set carrier frequency (b83) to a lower value!
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13. Technical data
Instruction manual
Capacity Input voltage Max. output current Output voltage
(each pump)
(each pump)
0.37 kW 200..240 V 50/60 Hz 2.6 A 230 V
0.55 kW 200..240 V 50/60 Hz 3.0 A 230 V
0.75 kW 200..240 V 50/60 Hz 4.0 A 230 V
1.1 kW 200..240 V 50/60 Hz 5.0 A 230 V
1.5 kW 200..240 V 50/60 Hz 7.1 A 230 V
2.2 kW 200..240 V 50/60 Hz 10.0 A 230 V
1.1 kW 380..460 V 50/60 Hz 2.5 A 400 V
1.5 kW 380..460 V 50/60 Hz 3.8 A 400 V
2.2 kW 380..460 V 50/60 Hz 5.5 A 400 V
3.0 kW 380..460 V 50/60 Hz 7.8 A 400 V
4.0 kW 380..460 V 50/60 Hz 8.6 A 400 V
5.5 kW 380..460 V 50/60 Hz 13.0 A 400 V
7.5 kW 380..460 V 50/60 Hz 16.0 A 400 V
enclosure: IP 54
carrier frequency: 0,5 -10 kHz (16 kHz); Initialisation: 10 kHz > do not go beyond!
V/F characteristics: constant or reduced torque with any variable voltage/frequency
output frequency
range: 0,5 - 360 Hz
frequency accuracy: digital command: +/- 0,01 % of max. frequency
analogue command: +/- 0,2 % of max. frequency
frequency setting
resolution: digital setting: 0,1 Hz; analogue setting: 0,05 Hz
overload current
capacity: 150 %, 60 seconds (once in 10 minutes), max. 220 %
starting torque: 100 % or more
DC injection
braking: min. frequency, braking time and braking force can be set
analogue input: 0 - 10 V DC, input impedance 10 Kilo ohm PTC input (option)
digital input: terminal run, two free input terminals, 24 V PNP logic, normal open or normal
closed, terminals can be set by manufacturer
digital output: 2 open collector output (option), alarm signal
protection over current, over voltage, under voltage, electronic thermal, temperature
functions: abnormality, ground fault upon starting, overload limit
other functions: multi speed frequency, PID control, parameter lock, restart blocked,
RS 422 (option)
ambient
temperature: +5 to +30 °C
humidity: 20 - 90 % RH (no dew condensation)
vibration: 5,9 m/s 2 (0,6 G) 10 - 55 Hz
ground leakage current: 1-Ph.-models: up to 0,75kW