E-Tech DrivE-Tech 015 Wiring diagram

Installing and operating manual
DrivE-Tech 015, 030, 022, 040, 055, 075, 110, 150

2
Index
1. DrivE-Tech Introduction..................................................................................................................................................... 3
2. Safety Instructions............................................................................................................................................................. 3
3. Technical Characteristics ................................................................................................................................................... 4
3.1 Weight and dimensions .......................................................................................................................................................... 4
4. Electric wiring.................................................................................................................................................................... 5
4.1 Protections............................................................................................................................................................................... 9
4.2 Electromagnetic compliance.................................................................................................................................................... 9
4.3 Installation with long motor cables ......................................................................................................................................... 9
5. DrivE-Tech installation......................................................................................................................................................10
5. DrivE-Tech Installation for constant pressure control ............................................................................................................. 12
5.1.1 Pressure tank .............................................................................................................................................................. 12
5.1.2 Pressure sensor........................................................................................................................................................... 12
6. DrivE-Tech Use and Programming ....................................................................................................................................13
6.1 DrivE-Tech display ................................................................................................................................................................. 13
6.2 Initial configuration............................................................................................................................................................... 13
6.3 Initial view ............................................................................................................................................................................. 15
6.4 Menu view............................................................................................................................................................................. 16
6.5 Installer parameters.............................................................................................................................................................. 16
6.6 Advanced parameters............................................................................................................................................................ 21
7. Protections and alarms.....................................................................................................................................................24
8. Auxiliary pumps during constant pressure control ...........................................................................................................25
8.1 DOL pumps............................................................................................................................................................................ 26
8.2 COMBO function .................................................................................................................................................................... 27
9. Trouble-shooting chart .....................................................................................................................................................29
10. Technical Assistance .......................................................................................................................................................31

3
1. DrivE-Tech Introduction
DrivE-Tech is a variable frequency drive designed to control and protect pumping systems by varying the output frequency to
the pump.
DrivE-Tech can be applied to both new and existing pumping systems, and provides:
energy and cost savings
simplified installation and an overall lower pumping system cost
longer life of the pumping system and relevant components
improved reliability
DrivE-Tech, when connected to any pump, manages the system operation to maintain a certain constant physical quantity
(pressure, differential pressure, flow, temperature, etc.) regardless of the conditions of use. The pump is operated only when
needed thus avoiding unnecessary energy consumption.
DrivE-Tech at the same time is able to:
protect the motor from overload and dry running
implement soft start and soft stop to increase the system life and reduce current peaks
provide an indication of current consumption, voltage, and power
maintain a record of run time and display any errors and/or failures reported by the system
control up to two additional pumps at a constant speed (Direct On Line)
connect to other DrivE-Tech units for combined operation
Through the use of inductive filters (optional) DrivE-Tech eliminates dangerous surges that are induced in long cables, making
DrivE-Tech suitable for control of submersible pumps.
2. Safety Instructions
The manufacturer strongly suggests carefully reading this operation manual before using and installing its products
Any operation (installation, maintenance and repair) must be carried out by trained, skilled, and qualified personnel.
Failure to observe and follow the instructions in this manual may result in dangerous and potentially lethal electric shock.
Pay attention to all standard safety and accident prevention regulations
The device must be connected to main power supply via a switch to ensure the
complete disconnection from the network before any operation on the DrivE-Tech
itself (including visual inspection) and/or on the connected load.
Disconnect DrivE-Tech from the main power supply before commencing any work.
Do not remove, for any reason, the cover and the cable plate without having first
disconnected the device from the main power supply and having waited at least 5
minutes.
DrivE-Tech and pumping system must be grounded properly before operation.
For the entire period DrivE-Tech is powered, high voltage is present on the output
terminals of the inverter whether or not the pump is running.
Tightening all 4 screws on the cover with washers is recommended before
powering the device. Otherwise, there may be a failure to connect the cover to
ground, creating the risk of electric shock or even death.
Avoid any shock or significant impact during transport.
Check the DrivE-Tech immediately upon delivery and check for damage and/or missing parts. If either occurs, immediately
notify the supplier.
Damages due to transport, incorrect installation, or improper use of the device will null and void the warranty.
Tampering or disassembly of any component will automatically void the warranty.
The manufacturer cannot be held responsible for any damages to people and/or property due to improper use of its
products.

4
3. Technical Characteristics
Model
Vin +/- 15%
Max
Vout
Max line
current
Max
motor
current
Typical P2 motor
[V] AC
[V]
[A]
[A]
[KW]
[HP]
DrivE-Tech 015
1 x 230 VAC
1 x Vin
15
9
1.1
1.5
3 x Vin
7
1.5
2
DrivE-Tech 030
1 x 230 VAC
1 x Vin
20
9
1.1
1.5
3 x Vin
11
3
4
DrivE-Tech 022
3 x 380-460 VAC
3 x Vin
10
6
2,2
3
DrivE-Tech 040
3 x 380-460 VAC
3 x Vin
13,5
9
4
5,5
DrivE-Tech 055
3 x 380-460 VAC
3 x Vin
16
14
5,5
7,5
DrivE-Tech 075
3 x 380-460 VAC
3 x Vin
21
18
7,5
10
DrivE-Tech 110
3 x 380-460 VAC
3 x Vin
31
25
11
15
DrivE-Tech 150
3 x 380-460 VAC
3 x Vin
35
30
15
20
Power frequency: 50 - 60 Hz (+/- 2%)
Max. ambient temperature at nominal current: 40°C (104 °F)
Max. altitude at nominal current: 1000 m
Grade of protection: IP55 (NEMA 4) *
RS485 serial communication
PWM configurable: 2.5 ,4, 6, 8, 10 kHz
* auxiliary cooling fan of the DrivE-Tech, used in wall mounted applications, has a protection rating of IP54.
DrivE-Tech is able to power the motor with a higher current for a short period of time according to the linear relation:
101% of the nominal current for 10min., 110% nominal current for 1 min.
3.1 Weight and dimensions
Model
Weight
*
[Kg]
DrivE-Tech 015
4
DrivE-Tech 030
4,3
DrivE-Tech 022
4,4
DrivE-Tech 040
4,4
DrivE-Tech 055
7
DrivE-Tech 075
7
DrivE-Tech 110
7
DrivE-Tech 150
7,2
* Weight without auxiliary cooling fans and without packing.

5
4. Electric wiring
Power board DrivE-Tech 015,030
Power supply:
LINE: L1, L2, earth
It is recommended to use cable
lugs
Output:
3 ph motor:
earth ,U,V,W,
1 ph motor:
earth, U (running), V (common)
It is recommended to use cable lugs.
230 V AC auxiliary fans (wall
mounting kit)
FAN: F1, F2
Recommended line and motor cables stripping

6
Power board DrivE-Tech 022,040
Power supply:
LINE: GND , L1, L2, L3,
It is recommended to use cable
lugs.
Motor output:
MOTOR: U, V, W, GND
It is recommended to use cable
lugs.
12 V dc auxiliary fan (wall
mounting kit) :
0VE, + VE
WARNING: respect the polarity.
Cable stripping recommended for line input and output to the motor.

7
Power board DrivE-Tech 055,075,110,150
Power supply:
LINE: L1, L2, L3, GND
It is recommended to use cable
lugs.
Motor output:
MOTOR: U, V, W, GND
It is recommended to use cable
lugs.
12 V dc auxiliary fans (wall
mounting kit)
VENT: +, -
WARNING: respect the polarity.
Cable stripping recommended for line input and output to the motor.

8
Control board
Analog inputs (10 or 15 Vdc):
1. AN1: 4-20 mA: sensor 1
2. AN2: 4-20 mA: sensor 2
3. AN3: 4-20 mA / 0 - 10 Vdc
(settable by jumper C.C.):
external set
4. AN4: 4-20 mA / 0 - 10 Vdc
(settable by C.C.): trimmer for
frequency regulation / external
set 2
Digital outputs:
motor run signal:
NO1, COM1: closed contact with motor
running.
NC1,COM1: closed contact with motor
stopped.
alarm signal
NO2,COM2: opened contact without alarm.
NC2,COM2: closed contact without alarm.
DOL1 pump relay:
NO3,COM3: closed contact with DOL1
running.
NC3,COM3: opened contact with DOL1
running.
DOL2 pump relay:
NO4,COM4: closed contact with DOL2
running.
NC4,COM4: opened contact with DOL2
running.
Relays are no voltage contacts. Max.
voltage to the contacts is 250 V with max
current of 5 A.
RS485:
S+
S-
G
It is recommended
to respect the
polarity linking
more DrivE-Techs in
series.
Digital inputs:
IN1 : motor start & stop
IN2: value set 1 & 2 switching
IN3: sensor 1 & 2 switching
IN4 : motor start & stop +
alarms reset
0V
We recommend using only no
voltage contacts.
Opening or closing the digital
contacts (depending on software
configuration set (see inst.
parameters) you can start or stop
the motor.

9
4.1 Protections
The protections required upstream each DrivE-Techs depends on the type of installation, and local regulations. We
recommend to use overload protection with the characteristic curve of type C and type B circuit breaker, sensitive to both AC
and DC current.
4.2 Electromagnetic compliance
To ensure electromagnetic compatibility (EMC) of the system, it is necessary to apply the following measures:
Always connect the device to ground
Use shielded signal cables by placing the screen at one end.
Use motor cable as short as possible (<1 m / <3 ft). For longer lengths, it is recommended to use shielded cables
connecting the screen at both ends.
Separate signal, motor, and power supply cables.
Note: To enable the restoration of the display screen when there are electromagnetic interference, DrivE-Tech
periodically provides some fast "refresh" of the display.
4.3 Installation with long motor cables
With long motor cables it’s recommended to decrease the
commutation frequency from 10 kHz (default) to 2.5 kHz
(advanced parameters). This reduces the probability of
voltage spikes in the motor windings which may damage the
insulation.
To prevent dangerous overheating of dv / dt and sinusoidal
filters it is recommended to set the correct PWM value in
relation to the cable length.
For motor cable lengths up to 50 meters it’s recommended
to place between DrivE-Tech and motor a dv / dt reactance,
available on request.
For motor cable lengths greater than 50 meters it’s
recommended to place between DrivE-Tech and motor a
sinusoidal filter, available on request.

10
5. DrivE-Tech installation
DrivE-Tech can be installed directly on the fan cover of the motor or mounted on the wall.
Motor mounting kit
In this application DrivE-Tech is cooled by the motor fan. Motor kit (available upon request) allows a solid coupling of the two
units and it is composed of:
DrivE-Tech 015,030,022,040
DrivE-Tech 055,075,110,150
n.°4 rods
n.°4 M5 nuts
n.° 4 hooks
n.° 1 cooling ring
n.° 4 M5 screws.
n.° 4 clamps
n.° 4 clips to add if necessary
n.°1 centre pin
Use the cooling ring for best cooling of DrivE-Tech during
operation. Warning: when using the cooling ring, the
cooling air of the motor is slightly warmer than without
the DrivE-Tech; if the resulting motor temperature
exceeds the indicated maximum allowable value, remove
the cooling ring, leaving the DrivE-Tech to be cooled by
itself.

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Wall mounting kit
In this application DrivE-Tech is cooled independently by its auxiliary cooling fan integrated in the radiator.
Wall-mounted kit is composed of:
DrivE-Tech 015,030,022,040
DrivE-Tech 055,075,110
n.° 1 auxiliary fan 230V AC (DrivE-Tech
015,030) or 12 VDC (DrivE-Tech 022,040)
n.° 4 screws to fix cooling fan
n.° 1 protection grill
n.° 1 metal bracket in AISI 304
n.° 4 screws to fix DrivE-Tech to wall bracket
n.° 2 12 V DC fans.
n.° 1 fans cover.
n.° 2 fans cover fixing screws
n.° 2 wall fixing brackets
n.° 4 M5 screws for DrivE-Tech fixing to the brackets
n.°1 holes reference sheet
Make sure the manufacturer that the electric motor is suited for operation in the inverter
Make sure to properly attach the grid of the auxiliary cooling fan.
Make sure to remove the auxiliary cooling fan if DrivE-Tech is coupled to a motor. Failure to do so
creates a high risk of overheating the motor and DrivE-Tech unit.

12
5. DrivE-Tech Installation for constant pressure control
DrivE-Tech controls the pump speed to maintain constant pressure at a set point independent of the water demand in the
system. A basic schematic is shown below:
5.1.1 Pressure tank
Installation of a pressure tank in the hydraulic system is recommended to compensate leakage of water in the system (or
during minimum water demand) and to avoid continuous start/stop cycling of the pump (check the appendix for more
information). Selecting the proper volume and pre-charge pressure of the tank is very important; smaller tank volumes will
not compensate adequately for minimum water usage or leakage, while larger volumes make it more difficult for DrivE-Tech
to control the pressure evenly.
Recommended tank volume is equal to the 10% of the maximum water flow of the system (expressed in volume unit/min)
Example: if the max water flow is 50 liters/min, the pressure tank should have a capacity of 5 liters
If the max water flow is 20 gpm, the pressure tank should have a capacity of 2 gallons
Pre-charge pressure of the pressure tank should be at least 80% than the set-pressure of the system.
Example: if the set-pressure of the system is 4 bar, the pre-charge pressure of the tank should be 3.2 bar
If the set-pressure of the system is 60 psi, the pre-charge pressure of the tank should be 48 psi
5.1.2 Pressure sensor
DrivE-Tech requires a pressure sensor with a linear output signal within the range 4 –20 mA. The pressure transducer can be
powered by any range of DC Voltage which includes the value 15 V dc.
DrivE-Tech accepts the signal of a second pressure sensor in order to:
realize constant differential pressure (AN1 –AN2).
substitute first pressure sensor when it fails
switch pressure sensor by closing digital input IN2
SENSOR 1
AN1: 4-20 mA (-) signal
+15V: 15 Vdc (+) power supply
SENSOR 2
AN2: 4-20 mA (-) signal
+15V: 15 Vdc (+) power supply
DrivE-Tech
1
2
3
5
4
1: pump
2: check valve
3: pressure tank
4: valve
5: valve
6: pressure sensor
6

13
6. DrivE-Tech Use and Programming
DrivE-Tech software is extremely simple to use, but allows a wide variety of parameters to be set for ideal system
calibration. Setting Parameters are organized in 2 levels:
1: Installer level
A password is required for this level; these parameters are adjustable by trained professionals
Default password: 001
From the menu a different password can be set up.
2. Advanced level
A second and different password is required; improper setting of these advanced parameters could compromise the
integrity and the life of DrivE-Tech and pump;
Default password 002
It is possible to set up a different password.
Installer and Advanced levels can be entered only with the correct password; otherwise, it is impossible to set up
and/or modify any parameters (they can be only displayed).
6.1 DrivE-Tech display
Screen is a back-lit LCD displaying 2 rows of 16 digits each. Alarms are indicated by an audible signal.
6.2 Initial configuration
When DrivE-Tech is switched on for the first time, the initial setting menu is displayed for the initial setting of parameters to
configure pump characteristics, pressure sensor range, and system characteristics.
If the initial setting procedure is not completed properly, it is impossible to run the pump. Initial setting procedure can be
repeated if necessary.
The initial setting procedure can be repeated (by using the 2rd level password) to reconfigure DrivE-Tech or if DrivE-Tech is
installed in a different system.
A brief description of parameters and their allowable ranges are listed below:
STOP motor
Menu exit
Alarms reset
START motor
ENTER
Scroll up
Scroll down

14
Parameter
Default
Description
XXXX
End user communication language
bar
Unit
threephase
Type of motor connected (DrivE-Tech 015,030)
XX
Rated current of the motor per it’s nameplate indication increased by
10%. The voltage drop caused by the inverter leads to higher input
current than nominal. Make sure motor is capable of accepting
increased current.
50
Rated frequency of the motor per its nameplate.
Control mode: Constant value [bar]
16
Sensor full scale.
If the transducer is not connected or connected improperly, the signal
SENSOR OFF is activated when pressing ENTER.
10
Maximum pressure allowed in the system. If the pressure goes over
this value, an alarm occurs and the pump is stopped. Pump is
automatically restarted if the pressure goes below the maximum
value for a period of at least 5 seconds.
Press START/STOP to run a test at rated frequency
Warning: make sure to run the system without damaging pump and
system
--->
If, during the test, the motor runs in reverse, it is possible to change
the wiring sequence via software without physically changing wires at
the terminals.
3
The pressure value to be kept constant.
OFF
If ON is selected, after a lack of voltage, DrivE-Tech returns to its
normal status; if DrivE-Tech was powering the pump before the
voltage drop, it resumes powering the pump automatically.
Warning, review the advice in chapter 1
Once the Setting procedure is completed you will get this indication
on the display; setting parameters are recorded by DrivE-Tech; these
parameters can be set up individually in the INSTALLER Parameters
menu or ADVANCED Parameters menu.
INITIAL SETUP
COMPLETED
Autorestart
ON/OFF
Set value
p = XX.X [bar]
Rotation sense
---> / <---
Motor test
START/STOP
Max alarm value
p = XX.X [bar]
Sensor test
Press ENT
F. scale sensor
p = XX.X [bar]
Rated motor freq
f = XXX [Hz]
Rated motor Amp.
I = XX.X [A]
Motor type
singlephase/threephase
Unit
XXXXX
Language
XXXXXX

15
6.3 Initial view
When first powering the DrivE-Tech, the display shows : release of display software (LCD = X.XX) and the release of inverter
software (INV = X.XX) as shown below:
The following End User messages are displayed by pushing the scroll buttons:
p is the pressure value read by the pressure transducer.
By pressing ENTER the pressure set value is displayed <XXX.X>
f value is the supply frequency to the motor; On fix frequency control mode, by
pressing ENTER you can change the f value manually (word “set” is displayed) , press
ENTER again to exit parameter setting (word “set” disappeared).
V_in is the line voltage. This value is displayed only if motor is OFF; if motor is ON, A
value equal to the absorbed motor current.
cosphi index means the angle phi between the voltage and current absorbed by the
motor
P is the power in Watts supplied to the pump.
NORMAL status means no alarms.
If an alarm occurs, a message blinks on the display and an audible signal is activated.
Pressing ENTER accesses: DrivE-Tech lifetime, PUMP lifetime, consumption statistic,
alarm list.
To return to previous views, press ENTER.
First row gives the DrivE-Tech status:
Inv: ON XXX.X Hz DrivE-Tech is powered and is powering the motor showing its frequency.
Menù
ENT to access
XXXXXXXXXXXXXXX
XXXXXXX h : XX m
%f 25 50 75 100
%h XX XX XX XX
Motor Life
xxxxx h : xx m
Inverter Life
xxxxx h : xx m
Inv: ON/OFF Mot: ON/OFF
STATUS: NORMAL
Inv: ON/OFF Mot: ON/OFF
P = XXXXX [W]
Inv: ON/OFF Mot: ON/OFF
cosphi = XXX
Inv: ON/OFF Mot: ON/OFF
V_in = X.XX [V] I= XX.X
[A]
Inv: ON/OFF Mot: ON/OFF
f = XXX [Hz]
Inv: ON/OFF Mot: ON/OFF
p = XX.X [bar]
LCD = X.XX
INV = X.XX

16
Inv: ON Mot: OFF DrivE-Tech is powered but motor is not running (i.e. motor/pump was stopped due to minimum
frequency being reached)
Inv: OFF Mot: OFF DrivE-Tech is not powered
If COMBO function is activated, the DrivE-Tech address is placed close to indication “Inv”.
6.4 Menu view
Pressing ENTER when you are in [MENU’ / ENT to access] in initial display, will display the following MENUs:
Installer password required to enter level 1 (default 001)
Advanced password required to enter level 2 (default 002)
Installer password required to enter level 1 (default 001)
It is possible to return to original set parameters.
Advanced password required to enter level 2 (default 002)
To exit the Menu level and return to initial display, press STOP button.
6.5 Installer parameters
Many of the Installer parameters are set during the Initial Configuration (chapter 6.2 Initial Configuration).
However, through the Installer Parameters menu, it is possible to change the set parameters or set others in order to perfect
the calibration of DrivE-Tech to the pumping system.
parameter
default
desciption
Constant value
Fix speed
Const.value 2 set
Fix speed 2 val.
External speed
Constant value
Mode of control:
Constant value: DrivE-Tech changes the speed of pump to keep
the set value constant, independent of water demand.
Fix speed: DrivE-Tech feeds the pump a set frequency, so the
speed of motor is kept constant.
Const. value 2 set: the two values are selected by opening or
closing the digital input IN2.
Fix speed 2 val: to be selected by opening or closing the digital
input IN2.
External speed: control motor frequency by using analogical input
AN4.
bar
Unit





Unit
XXXXX
Control mode
Constant value
Fix speed
Const.value 2set
Fix speed 2 val.
External speed
MENU’
Change init.set.
MENU’
Retrive init.set
MENU’
Advanced. param.
MENU’
Install. param.

17
parameter
default
desciption
Constant value
Fix speed
Const.value 2 set
Fix speed 2 val.
External speed
16
Sensor full scale.





0
Sensor minimum value.





10
Maximum value allowed in the system.
If the readen value goes over this value,
an alarm occurs and the pump is
stopped. Pump is automatically
restarted if the readen value goes below
the maximum value for a period of at
least 5 seconds.





0
Minimum value allowed in the system. If
the readen value goes lower than this
value, an alarm occurs and the pump is
stopped. Pump is automatically
restarted if the readen value goes
higher than the minimum value for a
period of at least 5 seconds.





OFF
Enabling of set value changing by analog
input AN3.


3
The set value to be kept constant.

0
Value compensation at the maximum
frequency for each pump. Acting on the
green button you can reverse the sign.

3
The set value to be kept constant.

0
Value compensation at the maximum
frequency for each pump. Acting on the
green button you can reverse the sign.

5
Time to update set value for
compensation.


Set value update
t = XX [s]
Compensation 2
p = XX.X [bar]
Set value 2
p = XX.X [bar]
Compensation
p = XX.X [bar]
Set value
p = XX.X [bar]
Ext.set enabling
ON/OFF
Min alarm value
p = XX.X [bar]
Max alarm value
p = XX.X [bar]
Min value sensor
p = XX.X [bar]
F. scale sensor
p = XX.X [bar]

18
parameter
default
desciption
Constant value
Fix speed
Const.value 2 set
Fix speed 2 val.
External speed
To ensure proper operation of pressure control is recommended to place the sensor near the pump.
To compensate the pressure loss in the pipes (proportional to flow) it is possible to vary the pressure set in a linear relation
with respect to frequency.
It can perform the following test to verify the correct value of compensation:
1. install a pressure gauge away from the pressure sensor
2. open completely the valve
3. check the pressure gauge
--> Set the value of compensation. equal to the difference of the values from the two gauges.
When using a group of pumps, the pressure compensation to be applied to each pump is equal to the total pressure
compensation (when all the pumps are running at full speed) divided by the number of pumps in the group.
50
Set the frequency value to feed the
pump.

50
Set the frequency value to feed the
pump.

50
Minimum frequency below which the
pump tries to stop.



5
Delay for which the pump tries to stop
below freq.min. control.



20
Ramp time from freq.min.control to
min.motor freq. If, during this time, the
readen value goes below the (set value -
delta control), DrivE-Tech powers the
motor again; otherwise, DrivE-Tech will



Q
H
Minmot. freq. Max mot. freq.
Set value (3 bar)
4 bar
Pressure
sensor
300 m
Compensation (1 bar)
Control ramp
t = XX [s]
Stop delay
t = XX [s]
Freq.min.control
fmin = XXX [Hz]
Operating freq. 2
f = XXX [Hz]
Operating freq.
f = XXX [Hz]

19
parameter
default
desciption
Constant value
Fix speed
Const.value 2 set
Fix speed 2 val.
External speed
stop the pump.
0.1
This value represents the value drop
below the set value required to restart
the pump during control ramp.


0.5
This value represents the value drop
below the set value required to start the
pump from stop condition.


0.5
It's the value increase respect to set
value which must be passed so that
there is a forced shutdown of the pump.


Kp and Ki parameters allow the dynamic
control of system by DrivE-Tech; set
values (Ki=50, Kp=005) are usually
enough to get a valid dynamic control.


OFF
Function to activate (ON) the first
auxiliary pump DOL 1 (Direct On Line
pump).


OFF
Function to activate (ON) the second
auxiliary pump DOL 2 (Direct On Line
pump).


OFF
Function to allow alternating starting
priority between the DOL pumps in
order to allow equal use of them.


sec
Hz
Freq.min.control
press.
Set value
Minmot. freq
Stop delay Control ramp
Delta control
Alternance
ON/OFF
Pump DOL 2
ON/OFF
Pump DOL 1
ON/OFF
Kp
XXX
Ki
XXX
Delta stop
p = XX.X [bar]
Delta start
p = XX.X [bar]
Delta control
p = XX.X [bar]

20
parameter
default
desciption
Constant value
Fix speed
Const.value 2 set
Fix speed 2 val.
External speed
1
delay time with which the pumps DOL
start after the variable speed pump has
reached the maximum frequency and
the readen value has fallen below set
value –delta control.


OFF
Function to enable multiple DrivE-Tech’s
to work in parallel as described in the
technical appendix (see the relevant
chapter). Up to 8 DrivE-Tech units can
be connected in parallel.
DrivE-Tech’s communication through RS
485 gates is granted by a private
protocol.
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
Direct
Direct: increasing misured value, DrivE-
Tech decreases motor frequency.
Reverse: increasing misured value,
DrivE-Tech increase motor frequency.


--->
If, during the test, the motor runs in
reverse, it is possible to change the
wiring sequence via software without
physically changing wires at the
terminals.
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0.65
If the pump goes into dry-running, the
cosphi reaches its lowest level. To set
this value, contact the pump
manufacturer or test by closing the
suction and checking the value on the
DrivE-Tech display; a value can be set by
assuming a dry cosphi equivalent to 60%
of the rated cosphi specified by the
manufacturer.

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
10
Restart delay after a dry running alarm.
At each tentative (max 5) restart delay
will be doubled.

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N.O.
By selecting N.A. (normally open)
DrivE-Tech runs the motor if the digital
input 1 is open; motor will be stopped if
the digital input 1 is closed.
By selecting N.C. (normally closed)
DrivE-Tech runs the motor if the digital
input 1 is closed; motor will be stopped
if the digital input 1 is opened.





N.O.
By selecting N.A. (normally open)
DrivE-Tech runs the motor if the digital
input 2 is open; motor will be stopped if
the digital input 2 is closed.
By selecting N.C. (normally closed)
DrivE-Tech runs the motor if the digital
input 2 is closed; motor will be stopped
if the digital input 2 is opened.





N.O.
By selecting N.A. (normally open)
DrivE-Tech runs the motor if the digital
input 3 is open; motor will be stopped if
the digital input 3 is closed.


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Digital input 3
N.O. / N.C.
Digital input 2
N.O. / N.C.
Digital input 1
N.O. / N.C.
Restarts delay
t = XX [min]
Dry run cosphi
cosphi = X.XX
Rotation sense
---> / <---
PI control
Direct/Reverse
COMBO
ON/OFF
Start delay AUX
t = XX [s]