Grundfos DPC 2-1 Manuale utente
1 | Page
DPC 2-1
Installation and Operating Instructions
DPC 2-1 For Single Phase Pumps up to 15A
SAFETY 4
INTRODUCTION 5
Applications 5
Features 5
Parameters & Specifications 6
INSTALLATION 7
Tools Used in Controller Installation 7
Controller Components 7
-
LCD Screen 7
-
Meaning Of the icons shown In the LCD ------------------------------------------------------ 8
Power Terminal 10
Control PCB connection 11
Installation – Drainage 11
-
Terminals 11
-
DIP Switch Settings 12
-
Electrical Connections 13
Installation – Boosting 16
-
Terminals 17
-
DIP Switch Settings 18
-
Electrical Connections 19
Installation – Water Transfer 20
-
Terminals 21
-
DIP Switch Settings 22
-
Electrical Connections 23
OPERATION 24
Parameter Calibration 24
Erasing Former Parameters 25
-
Erasing The Parameter Calibration 25
Switching to AUTO mode 25
Switching to MANUAL mode 25
Pump Protection 25
Last Five Failure Records 26
Pump Accumulative Running Time 27
COMMUNICATION LINK 28
Basic Function 29
Special Application 29
Technical Parameters 29
TROUBLE SHOOTING 30
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Following are the safety instructions which must be followed by the service
partners or user while installing & operating the product. If ignored, physical
injury or even death may happen. Read the safety instructions before handling the
system.
NOTE (Notes or attention to ensure safe operation)
Important
The manufacturer is not liable for malfunctioning if the product is not correctly
installed, damaged, modified and/or put to run beyond the working range as
given in this manual.
The manufacturer reserves the right to make any modifications to this product
from time to time.
SAFETY
WARNING
If these safety instructions are not observed, it may result in
malfunction or damage to the equipment.
All electrical connections must be carried out by skilled and qualified
personnel.
Never connect AC power to output L1 & N1 / L2 & N2 terminals.
Ensure the motor, controller and power specifications are matching.
CAUTION
If these safety instructions are not observed, it may result in
personal injury.
Before carrying out any installation or maintenance operation, the controller
must be disconnected from the power supply.
Don’t open the cover while the pump is running.
Don’t put wire, metal bar filament etc. into the controller.
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Thank you for choosing a DPC Series Digital Pump Controller.
The Digital Pump Controller model is easy to use, programmable controller and
protection device for direct start with single phase two pumps with output power
from 0.37kW - 1.5 kW (1.5 - 15A) each.
The controller has many operation modes for adapting different pumping
applications. Important features that distinguish the DPC Series Digital Pump
Controllers from other controllers are the push button calibration for overload and
the ability of dry run protection without float switches. It shows pump parameter,
status and faults, etc.
APPLICATIONS:
The controller is useful in all cases where there is a need to control and
protect two pump installations and managing the automatic operation by a
variety of switching methods.
Typical applications:
Water supply
Irrigation
Sewage
Booster sets
Rainwater reuse
Stormwater
FEATURES:
Built-in function switch for:
-
Drainage by liquid level control through float switches
-
Boosting water supply by pressure control through pressure switch and tank
-
Transfer of water by liquid level control through float
switches Dry run protection without float switches
Auto/ manual switch with screen lock in AUTO mode
Dynamic LCD displaying for pump running status
Protect the pump against many faults
Push button calibration
Pump accumulative run
time Last five fault records
RS485 communication Modbus
Starts and stops the pump in accordance with liquid levels or pressure settings
Pump shaft anti rust feature
INTRODUCTION
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PARAMETERS AND SPECIFICATIONS:
Following chart shows the main technical parameters & specifications:
Main Technical Characteristics
Control characteristic
Double liquid level control
Pressure control
Working modes
Manual / auto
Drainage application
By using float switch
Pressure Boosting application
By using pressure switch
Water Transfer application
By using float switch
Main Technical Data
Rated output power (amperes)
1.5 to 15A for each pump
Rated input voltage
AC 220V / 50 Hz / Single Phase
Trip response time of overload
5 sec - 5 min
Trip response time short circuit
Less than 0.1 sec
Trip response time of under/over voltage
Less than 5 sec
Trip response time of dry run
6 sec (or this can be set manually)
Recovery time of overload
30 min (or this can be set manually)
Recovery time of under/over voltage
5 min
Recovery time of dry run
30 min (or this can be set manually)
Trip voltage of over voltage
115 % of rated input voltage
Trip voltage of under voltage
80 % of rated input voltage
PROTECTIONS COVERED
Dry run (without float/ probe)
Overload (auto-calibrated or can be set)
Transient surge
Under voltage
Over voltage
Pump stalled
Short circuit
Pump shaft anti rust protection
Other Technical Data
Permissible ambient temperature
-5 to +50 deg C
Degree of protection
IP 55
Installation position
Vertical
Unit dimensions (L X W X H)
320 x 420 x 138 mm
Physical interface
RS485 bus interface: Asynchronous
Baud rate
1200, 2400, 4800, 9600 bps (default)
Protocol type MODBUS protocol (RTU)
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Please read this manual carefully before starting installation and operation. Any
damage to the equipment caused due to failure to comply with the descriptions
in this manual in installation or operation will be beyond the scope of the
company’s quality guarantee.
TOOLS USED IN CONTROLLER INSTALLATION:
Controller installation and wire installation will need the following tools,
you also can choose the right tools according to your own experience.
Back view
Side view
wall
Mounting
clamp
CONTROLLER COMPONENTS:
Voltage Displaying
Area
Ampere Displaying
Area
Fault Displaying
Area
Pump Running Status
Displaying Area
INSTALLATION
LCD
SCREEN
8 | Page
MEANING OF THE ICONS SHOWN ON THE LCD:
The parameter configuration icon,
when this icon appears, controller is in
manual parameter adjustment mode.
Time displaying icon, when this icon
appears, it mean controller is displaying
some parameter of time, eg: pump dry
run trip time(units: seconds).
Pump fault icon, when this icon
appears, it means controller is
displaying some fault condition.
Network connection error icon, when this
icon appears, it means there is no network
connection or network connection error
between pump controller and
computer/SCADA/BMS.
Network normal connection icon, when
this icon appears, it means the network
connection between pump controller and
computer/SCADA/BMS.
Voltage
v
M
Minute
9 | Page
Second
S
H
Hour
Ampere
A
Percent
Pump running
Pump stopped
Low pressure or lack of pressure in the
pipeline or pressure tank.
High pressure or full of pressure in the
pipeline or pressure tank.
Pump A
A
B
Pump B
10 | Page
POWER TERMINAL CONNECTIONS:
Single Phase (without running capacitor) Single Phase (with running capacitor)
Indice
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