Grundfos CU 362 Installation And Operating Instructions Manual Download Page 28

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8.1.4.4 Drain function, two pumps and three float switches

TM077565

Display: drain function, two pumps and three float switches

TM028299

Drain function, two pumps and three float switches

Float switch

Configuration

High level

Start 2

Start 1/stop

Alarm

Start 1

Start 1/stop

Dry running

Start 1/stop

Stop

8.1.4.5 Drain function, two pumps and four float switches

TM077566

Display: drain function, two pumps and four float switches

TM028300

Drain function, two pumps and four float switches

Float switch

Configuration

High level

Start 2

Alarm

Start 1

Stop 2

Start 1/stop

Start 1

Start 1/stop

Stop

Stop 2

Stop 1

Start 1/stop

Dry running

Stop

Dry running

Stop 1

Stop 2

Dry running

English (GB)

Summary of Contents for CU 362

Page 1: ...Dedicated Controls Software description Installation and operating instructions GRUNDFOS INSTRUCTIONS...

Page 2: ......

Page 3: ...Dedicated Controls English GB Installation and operating instructions 4 3 Table of contents...

Page 4: ...actice 1 1 Hazard statements The symbols and hazard statements below may appear in Grundfos installation and operating instructions safety instructions and service instructions DANGER Indicates a haza...

Page 5: ...ted Controls safety instructions for Dedicated Controls quick guide for Dedicated Controls Dedicated Controls support CD ROM this software description additional instructions CU 362 IO 351B IO 11X CIM...

Page 6: ...ts or selects the line above If pressed in the top line of the list it moves to the bottom of the list 5 Down Moves down in lists or selects the line below If pressed in the bottom line of the list it...

Page 7: ...ion in the menu structure The illustration may show the entire system or part of it as well as various settings A graphical illustration is always shown with a list describing the graphical elements T...

Page 8: ...on 5 The Status menu 4 2 Operation This menu is used for daily settings such as start stop and automatic manual control Other settings are entered in the Settings menu See section about the Operation...

Page 9: ...level the first pump starts 2 The display shows that pump 1 is started An animation shows the rotation of the pump 3 Lowest stop level If the water level falls below this level both pumps stop 4 Mixe...

Page 10: ...n Number of overflows The number of registered overflows Operating parameter Description Total volume The accumulated volume of liquid removed Note Requires a flowmeter analog or pulse measurement or...

Page 11: ...ng parameter Description Stop level Requires an analog level sensor MP 204 When an MP 204 is installed the following parameters can be read MP 204 voltage MP 204 current MP 204 current asymmetry MP 20...

Page 12: ...rvice The display only appears if a mixer is installed Path Status Mixer 1 9_MIXER_048 Mixer Operating parameter Description Status Shows whether a mixer is started or stopped Operating hours Number o...

Page 13: ...ital inputs 1 10 2_DIGITAL_INPUTS_054 Digital inputs 5 7 3 Analog outputs This display shows the status of the individual analog outputs Example Analog output AO1 IO351B 41 18 The AO1 analog output on...

Page 14: ...wn as graphics in the display Operating hours yesterday Operating hours Number of starts Number of starts hour Average current sensor required Average flow sensor or calculation required Total energy...

Page 15: ...typically lies between the highest start level and the edge of the pit If in addition to the level sensor the system incorporates a high level float switch and or a dry running float switch this must...

Page 16: ...gain to stop both pumps This level triggers an alarm if desired See section about system alarms 6 3 Resetting alarm relays and cancelling interlock Alarm relays can be reset in this display The alarm...

Page 17: ...orrected Alarms requiring manual resetting are reset in this display by pressing OK For every warning or alarm the following is shown Whether it is a warning or an alarm see symbols in the table above...

Page 18: ...too low Check setting Motor may need replacement 21 Motor max starts per hour limit exceeded CU 362 Max starts exceeded User setting of max number of starts exceeded Evaluate setting Evaluate stop an...

Page 19: ...supply If fault is still active check each module individually Controller or module may need replacement 76 Internal communication fault CU 362 Possible hardware fault Power cycle the controller If fa...

Page 20: ...main bearing temp sensor signal fault IO 113 Motor main bearing temperature sensor failed Check temperature readings with PC Tool Water Utility 181 PTC sensor signal fault IO 113 PTC sensor failed Che...

Page 21: ...s specific service information CUE Lubricate bearings reported by CUE Check local alarms and instructions on CUE 241 Motor phase failure CU 362 DI CUE Phase failure detected Check all incoming phases...

Page 22: ...ettings SCADA settings Interlock settings GPRS settings If the communication is via GSM GPRS the SCADA phone number and SMS must be set in this menu Furthermore the GPRS network coupling info is enter...

Page 23: ...ressure sensor The system does not have a backup battery UPS installed The installation name is GRUNDFOS Path Settings Basic functions Primary settings 4 1 1_PRIMARY_SETTINGS_107 Primary settings Rela...

Page 24: ...configuration and flow calculation TM078592 Pit configuration and flow calculation Display text Upper measurement level Enter the upper measurement level used for the flow calculation It must be lowe...

Page 25: ...p the pump This function creates a hysteresis so that the pumps do not start and stop continuously which would result in unnecessary wear The start stop delay generates a H in the pit which is higher...

Page 26: ...left of the display 1 Select a configuration to see other options 2 Tick the box to the right of the configuration by pressing OK 3 Select Overflow switch if needed 4 Select switch type for the input...

Page 27: ...Float switch Configuration 1 2 3 3 High level High level Start 2 Start Start stop Stop 1 Stop Dry running Dry running 8 1 4 3 Drain function one pump and four float switches TM077563 Display drain fun...

Page 28: ...top Stop 8 1 4 5 Drain function two pumps and four float switches TM077566 Display drain function two pumps and four float switches TM028300 Drain function two pumps and four float switches Float swit...

Page 29: ...ordingly The alarm level must be higher than the lowest start level and lower than high level The pump start level must always be higher than the stop level of the same pump The dry running level is a...

Page 30: ...system The number of IO 351B modules installed in the system must be entered For each pump tick the box if the mentioned module motor protector or frequency converter has been installed IO 351B maxim...

Page 31: ...oam draining Foam draining parameters are set in this display The foam draining function can only be used if the pumps are suitable for dry running The foam draining function ensures that the water is...

Page 32: ...el operation time Overflow time Overflow volume Number of overflows Total volume Energy User defined counter Pump 1 or Pump 2 Operating hours Time since service Number of starts Average flow Mixer App...

Page 33: ...etween groups If this function is enabled a pump from the other pump group starts when the water level has again reached start level 1 after a pump down Max started pumps total Total number of pumps i...

Page 34: ...Both pumps in group 1 operate normally and alternately See field 1 in the figure below Higher inflow Start 2 Both pumps in group 1 are in operation See field 2 in the figure below Inflow Action Higher...

Page 35: ...otal 1 Groups may run together Yes Inflow Action Normal Start 1 Pumps 1 and 3 operate normally and alternately See field 1 in the figure below Higher inflow Start 2 Both pumps in one group are in oper...

Page 36: ...ram of source input In this display the user defined functions can be selected and then set as desired by the user An input signal for each source has to be selected Path Settings Advanced functions U...

Page 37: ...ctions User def function 2 Setting up source 1 4 2 9 2 1_UDF_SOURCE_1_124 Setting up source 1 Related information 8 2 8 1 User defined function 8 2 8 3 Logical operator This display is used to select...

Page 38: ...ontrol again The water level in the wastewater pit must be lower than 2 5 m before the 1st source changes status to 1 The 2nd source already has status 1 triggered by the float switch in the overflow...

Page 39: ...For further information about flush settings see section about flush settings The VFD to be set must be selected Only pumps controlled by a VFD are shown in this display The Modules installed submenu...

Page 40: ...low the Max economy level the pump ramps down until the Economy level is reached See the figure below 1 2 3 4 5 6 7 1 2 TM043327 Pit levels Pos Description 1 High level 2 Start level 2 3 Max economy l...

Page 41: ...ed minimises the risk of sedimentation in the upstream pipeline In some applications this control mode could be the best solution since the total energy consumption is lower when the pumps are running...

Page 42: ...will be stopped and the measured specific energy will not be used 8 2 11 Specific energy test installation This function can only be used if a power meter MP 204 or CUE VFD and flowmeter are installed...

Page 43: ...r pumped volume m3 This display is used to show the Specific energy test The frequency representing the lowest specific energy consumption is displayed when the test is done This frequency can be used...

Page 44: ...time and ramps down again The user has to set the time in seconds and the interval between Run flushing cycles Stop flushing Stop flushing ensures that the pump ramps up and flushes the upstream pipel...

Page 45: ...al operation and the acceptable variations of these parameters must be entered Finally a trigger delay has to be set If these limits are exceeded the alarm or warning Blocked is generated and the pump...

Page 46: ...The zero reference is used to calculate the level in the overflow channel Channel level actual level zero reference All pumps are running the level is increasing and at reference point 0 the actual le...

Page 47: ...an be configured in menu 4 2 14 1 TM078590 Dosing pump settings Contact Grundfos for more information on H2S control 8 2 18 Flush from pit Flush from pit can be used to pump a large volume of liquid o...

Page 48: ...IM 200 module transfers data between CU 362 and the local Modbus network See the figure below Use the Functional profile and user manual Grundfos CIM 200 Modbus RTU for Grundfos Dedicated Controls TM0...

Page 49: ...s Interlock settings GPRS settings For the submenus see the relevant sections with the same titles TM043219 Example CIM 270 280 Pos Description 1 GRM WebAccess 2 GRM server 3 GSM antenna 4 Mobile phon...

Page 50: ...establish a VNC connection to CU 362 The password can be reset Both username and password are factory set to admin Path Settings Communication settings Ethernet TM079471 Ethernet Grundfos recommends...

Page 51: ...hange of password TM032051 Change of password 1 Click the icon Change password 2 Enter the new password 3 Click Submit to enable the new password Related information 8 2 7 Pump groups 8 3 6 Fieldbus a...

Page 52: ...n buttons Press OK to save the number SMS numbers No 1 4512345678 No 2 4511223344 No 3 4599988877 SCADA number 4512345678 Acknowledgement deadline The time allowed to pass before the alarm SMS is sent...

Page 53: ...g weekdays and over the week Path Settings Communication settings SMS schedule Primary recipients 4 3 4 9_PRIMARY_RECIPIENTS_076 Primary recipients Graphical illustration of secondary recipients This...

Page 54: ...Operates the user defined relay RELEASERELAY Releases the user defined relay SIGNALLEVEL Returns signal strength for GSM modem GPRS STATUS Obtains the IP address from the GPRS connection HELP or Send...

Page 55: ...tgoing interlock is disabled only when the pit level has fallen to the lowest stop level Example Select or ignore incoming interlock Incoming interlock Ignore incoming interlock Outgoing interlock Int...

Page 56: ...inputs The analog input to be set is selected in this display As standard there are five analog inputs The display shows each input so that its physical location can be quickly identified Example The...

Page 57: ...2 10 DI2 IO 351B 12 Path Settings I O settings Digital inputs TM078718 Digital inputs 8 4 2 1 Digital inputs and functions The signal input logic and the digital input function are set in this display...

Page 58: ...lay Example The DO1 digital output on CU 362 designated terminal 71 is linked to High level alarm Path Settings I O settings Digital outputs Function of digital outputs TM078722 Function of digital ou...

Page 59: ...ted to a digital output See section about digital outputs output value Path Settings I O settings Alarm relays TM078725 Alarm relays Related information 8 4 4 1 Digital outputs output value 8 5 5 Anal...

Page 60: ...078728 Alarm settings If the function Pump groups is enabled the Pump alarms submenu is split into two groups Path Settings Alarm settings Symbols show the status of each alarm input Analog alarm inpu...

Page 61: ...e display even if the alarms High level and Dry running have not been set to Enabled Flowmeter The warning is displayed if the flowmeter input is outside of the measuring range Power meter The warning...

Page 62: ...ss current that expected The pump may run dry Latest runtime The maximum time the pump is allowed to operate without interruptions At the end of the alarm time set the pump stops and the other pump st...

Page 63: ...Select alarm source Alarm source 2 Select the second alarm source for combi alarm 1 in this display Path Settings Alarm settings Combi alarms Select alarm source TM078736 Select alarm source 8 5 5 An...

Page 64: ...alarm callback to the SCADA system is also selected in this display Path Settings Alarm settings System alarms Battery backup UPS TM078731 Battery backup UPS Related information 8 4 6 Alarm relays 8 5...

Page 65: ...W kW MW hp Energy kWh kWh J kWh BTU HPh If units are changed from SI to US or vice versa all individually set parameters will be changed to the basic setting in question 8 6 4 Date and time In this di...

Page 66: ...assword 8 6 6 Ethernet See section about Ethernet Related information 8 3 5 Ethernet 8 6 7 Fieldbus addresses See section about fieldbus addresses Related information 8 3 6 Fieldbus addresses 8 6 8 So...

Page 67: ...ration Replace the sensor float switch External on off switch switched off Switch on the on off switch 9 2 Pumps start but stop immediately Cause Remedy Dry running or no inlet pressure Wait until the...

Page 68: ...lled CUE VFD not installed Pump 3 Installed In operation Contactor feedback IO 11x not installed MP 204 not installed CUE VFD not installed Pump 4 Installed In operation Contactor feedback IO 111 not...

Page 69: ...nu Disabled Password Settings menu Disabled Display language English 10 5 SMS configuration Description Factory settings Own settings SMS phone number 1 45 12345678 SMS phone number 2 45 12345678 SMS...

Page 70: ...ed sensor 1 User defined sensor 2 User defined sensor 3 Pres sensor discharge Related information 8 3 12 SCADA settings 8 5 Alarm settings 10 8 Pump alarms Description Factory settings Own settings Au...

Page 71: ...s Own settings Contactor mixer Time for service mixer Max starts hour mixer Related information 8 5 Alarm settings 10 10 Combi alarms Description Factory settings Own settings Combi alarm 1 Combi alar...

Page 72: ...low 1st source 1st source Output signal 0 1 0 1 0 0 1 1 1 0 0 0 1 2 3 4 5 6 TM046713 Logical AND function Pos Description 1 1st source 2 2nd source 3 1st source 4 2nd source 5 Output signal 6 Output s...

Page 73: ...used to set an alarm or just to change the output signal to high 1 The output signal remains high 1 even if the 1st source changes to status low 0 The output signal can only be changed to status low 0...

Page 74: ...Related information 11 4 Set reset flip flop 11 6 Toggle flip flop The Toggle flip flop function T FF is to be used together with a timer function The 1st source has to be configured as Constantly hig...

Page 75: ...th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Tel 82 2 5317 600 Fax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava iel 60 LV 1035 R ga...

Page 76: ...demarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2021 Grundfos...

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