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50 

BOOSTER PUMP SYSTEM 

 

 

 

BOOSTER PUMP SYSTEM N747D

 

 

   
   If automatic operation is not available under low pressure 

alarming, please take one of below means.   

1.

 

Set one of the front panel switch of pump 1, pump 2, pump 3, pump 4, pump 
5 and pump 6( if there are 6 pumps) as MANU, so that one pump can be 
started and increases the pressure up to the low alarm setting pressure.   

2.

 

Press “In Test Operating” key among the front switches, so that one pump 
can be started and increases the pressure up to the low alarm setting 
pressure. 

3.

 

Press “Stop/Start” switch of the front panel to make stop, then press again to 
start. 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание N747D

Страница 1: ...BOOSTER PUMP SYSTEM 1 BOOSTER PUMP SYSTEM N747D User s Manual For Booster Pump N747D Controller DOOCH CO LTD...

Страница 2: ...g 10 2 Display of user setting 10 3 Change of user setting 1 11 4 Change of user setting 2 15 5 Change of user setting 3 19 Chapter 3 Key operation of installer 1 Key operation of installer setting 26...

Страница 3: ...1 Test operation key 46 Chapter 6 Other Keys 1 Inverter reset Key 49 2 Key of Initial display 49 3 Alarm display and Reaction 49 Chapter 7 Appendix 1 Control Board Arrangement and Description 52 2 Ch...

Страница 4: ...BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D Chapter 1 The composition and features of controller 1 Features of controller 2 Functions of controller 3 Composition of controller 1 Features of controll...

Страница 5: ...pply according to the amount of supplied water and usage Up to 6 pumps can be controlled with functions generally such as stopping low flow using pressure tank control scheduled operation warning abno...

Страница 6: ...ment Alarming high pressure When specified pressure time is exceeded pump stops and alarm is given Alarming low pressure When every pumps are operated under specified pressure even during the continuo...

Страница 7: ...y It displays system information Operation Key It is for data setting and checkup data It is for booster system user It is for booster system installer It is for checking operation data It is for chec...

Страница 8: ...MP SYSTEM BOOSTER PUMP SYSTEM N747D Setting value It is for saving setting value and checking operation history alarm history It is for deleting operation history alarm history It is for moving cursor...

Страница 9: ...UMP SYSTEM 9 BOOSTER PUMP SYSTEM N747D Chapter 2 Key operation of user 1 Key operation of user setting 2 Display of user setting 3 Change of user setting 1 4 Change of user setting 2 5 Change of user...

Страница 10: ...MP SYSTEM BOOSTER PUMP SYSTEM N747D 1 Key operation of user setting 2 Display of user setting User setup display 1 User setup display 2 User setup display 3 The display of User setup 3 is related with...

Страница 11: ...TER PUMP SYSTEM N747D Display of Monthly operation Display of weekly operation Display of timely operation 3 The change of user setup 1 1 Press installer setup on main display 2 Input password and sav...

Страница 12: ...R PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 3 In user setup 1 move to desire display with cursor 4 Move to desire display with cursor Cursor can be moved to left right 5 Setting value can be changed by fi...

Страница 13: ...2 kgf cm 1 Using Key select 2 Initially the first 0 of the 00 20 blinks 3 Using Key select position to be changed in 00 20 kgf cm 4 After change using Key make sure to press Key Auxiliary stop pressur...

Страница 14: ...pressure Change of stepl stop pressure Example In case current set value is 00 50 kgf cm 1 Using Key select 2 Initially the first 0 of the 00 50 blinks 3 Using Key select the position to be changed i...

Страница 15: ...OSTER PUMP SYSTEM 15 BOOSTER PUMP SYSTEM N747D 4 The change of user setup 2 1 Press user setup on main display 2 Input password and save initial password is 0000 3 Press user setup key on user setting...

Страница 16: ...16 BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 4 In user setup 2 move to desire display with cursor 5 Setting value can be changed by figure Keys...

Страница 17: ...to move to required position using Key The last number means day of the week as below 1 Mon 2 Tue 3 Wed 4 Thurs 5 Fri 6 Sat 7 Sun 4 After changing to required value make sure to press Key Set value i...

Страница 18: ...time frame Initial setting is No use and operation method can be selected with 0 3 number keys Each number stands for 0 No use 1 Monthly operation 2 Weekly operation 3 operation by time frame Change s...

Страница 19: ...OSTER PUMP SYSTEM 19 BOOSTER PUMP SYSTEM N747D 5 The change of user setup 3 1 Press user setup on main display 2 Input password and save initial password is 0000 3 Press user setup key on user setting...

Страница 20: ...setup 2 move to schedule setup with cursor 5 Choose desire figure from 0 to 3 0 Not used 1 Monthly operation 2 Weekly operation 3 Timely operation 6 After changing to operation setup make sure to pre...

Страница 21: ...BOOSTER PUMP SYSTEM 21 BOOSTER PUMP SYSTEM N747D 7 After pressing Key press user setup to move user setup 3 8 In user setup 3 choose desire menu with cursor 9...

Страница 22: ...BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 10 Change the desire value with figure Keys 11 After changing to operation setup make sure to press Key Set value is not changed until input key is press...

Страница 23: ...Key change to required value then make sure to press Key Set value is not changed until input key is pressed Screen configuration of monthly operation Weekly scheduled operation Any operation by weekl...

Страница 24: ...scheduled operation in user setting 2 using Key then press user setting button to move to user setting 3 and change it Scheduled operation by time frame 1 Using Key select item to be set 2 Select req...

Страница 25: ...BOOSTER PUMP SYSTEM N747D Chapter 3 Key operation of installer 1 Key operation of installer setting 2 Display of user setting 3 Change of installer setting 1 4 Change of installer setting 2 5 Change...

Страница 26: ...26 BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 1 Installer Setup Key 2 Display of Installer setup Display of installer setup 1 Display of installer setup 2 Display of installer setup 3...

Страница 27: ...SYSTEM 27 BOOSTER PUMP SYSTEM N747D 3 The change of installer setup 1 1 Press ENG SET key on main display 2 Input password and save initial password is 0000 3 In installer setup 2 move to desire item...

Страница 28: ...OOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 4 5 Setting value can be changed by figure Keys 6 After changing to operation setup make sure to press Key Set value is not changed until input key is pres...

Страница 29: ...ctor P It is a proportional factor in PID control variables Range 1 100 Change of proportional factor P settings Example In case of to change 80 to 90 1 Using Key select 2 Initially the first 0 of the...

Страница 30: ...that current pressure setting pressure Dead zone is sustained for more than 20 seconds inverter decelerates in order to inspect the state of non flow Even if it decelerates when current pressure sett...

Страница 31: ...s Key Set value is not changed until input key is pressed Operating method To set operation method of pump 1 Operating by fixed inverter Inverter is fixed for one pump operation and when all pumps sto...

Страница 32: ...BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 4 The change of installer setup 2 1 Press ENG SET key on main display 2 Input password and save initial password is 0000 3 Press ENG SET on installer setu...

Страница 33: ...BOOSTER PUMP SYSTEM 33 BOOSTER PUMP SYSTEM N747D 4 In installer setup 2 move to desire item with 5 6 Setting value can be changed by figure Keys...

Страница 34: ...0 using Key 4 After changing to required value make sure to press Key Set value is not changed until input key is pressed Preventing frozen rupture In order to prevent frozen rupture in cold season if...

Страница 35: ...he first 0 of the 000 blinks 3 Enter by using Key 4 After changing to required value make sure to press Key Set value is not changed until input key is pressed System initializing Initialize setting v...

Страница 36: ...BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 5 The change of installer setup 3 1 Press ENG SET key on main display 2 Input password and save initial password is 0000 3 Press ENG SET on installer setu...

Страница 37: ...BOOSTER PUMP SYSTEM 37 BOOSTER PUMP SYSTEM N747D 4 Press ENG SET on installer setup 2 5 In installer setup 3 move to desire item with cursor 6 Setting value can be changed by figure Keys...

Страница 38: ...ct 2 Enter by using Key No use Use 4 After changing to required value make sure to press Key Set value is not changed until input key is pressed Slave ID Set Slave ID Range 1 255 Change setting of Sla...

Страница 39: ...e first 0 of the 0000ms blinks 3 Using Key select the position to be changed in 0000 ms 4 Using Key enter by order of 0 0 and 2 5 After changing to required value make sure to press Key Set value is n...

Страница 40: ...required value make sure to press Key Set value is not changed until input key is pressed BAUD RATE Select communication speed 0 40kbps 1 50kbps 2 100kbps 3 200kbps 4 250kbps Change setting of BAUD R...

Страница 41: ...BOOSTER PUMP SYSTEM 41 BOOSTER PUMP SYSTEM N747D Chapter 4 Operation History Key 1 Confirmation of pump operation history 2 Confirmation of alarm history...

Страница 42: ...42 BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 1 Confirmation of pump operation history 1 Press operation Data key on main display 2 In operation data move to desire menu with cursor...

Страница 43: ...SYSTEM N747D 3 It shows pump operation history If you want to delete all pump operation history press Del key 2 Confirmaton of alarm history 1 Press operation Data key on main display 2 Press operatio...

Страница 44: ...UMP SYSTEM BOOSTER PUMP SYSTEM N747D 3 In alarm history display move to desire menu with cursor 4 5 It display alarm history It shows latest 10 alarm history If you want to delete all alarm history pr...

Страница 45: ...BOOSTER PUMP SYSTEM 45 BOOSTER PUMP SYSTEM N747D Chapter 5 Test Operation Keys of test operation...

Страница 46: ...7D Test Operation Key It is used for checking direction of motor rotation After turning off the STOP START switch on panel please operate this function 1 Press Test Run key on main display 2 In the te...

Страница 47: ...BOOSTER PUMP SYSTEM 47 BOOSTER PUMP SYSTEM N747D 3 Use left right cursor to select pump operation method 4 Using Key change the sensor correction value and Min operation ratio...

Страница 48: ...48 BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D Chapter 6 Other Keys...

Страница 49: ...larm is given buzzer sounds and lamp blinks At the same time the alarm notes are displayed on LCD screen To stop the buzzer just press any key of the controller keys Lamp keeps blinking until the root...

Страница 50: ...mp 2 pump 3 pump 4 pump 5 and pump 6 if there are 6 pumps as MANU so that one pump can be started and increases the pressure up to the low alarm setting pressure 2 Press In Test Operating key among th...

Страница 51: ...PUMP SYSTEM 51 BOOSTER PUMP SYSTEM N747D Chapter 7 Appendix 1 Control board arrangement and description 2 Check items 3 Procedure and manual for pump test operation 4 Emergent operation 5 RS 485 commu...

Страница 52: ...52 BOOSTER PUMP SYSTEM BOOSTER PUMP SYSTEM N747D 1 Control board arrangement and description...

Страница 53: ...0 frequeancy setup voltage 0 10V 12 CG RS485 signal earthing common terminal 35 iO0 inverter 0 frequeancy setup current 0 11V 13 485 RS485 signal High terminal 36 CG Earthing common terminal 14 RI0C I...

Страница 54: ...zing relay A contact 6 PTHT Pump overload terminal 18 rI2C Inverter 3 initializing relay C contact 7 PRA Pump operation relay A contact 19 CG Earthing common terminal 8 PRC Pump operation relay C cont...

Страница 55: ...CG wire of Pump OPT board Verify LED ON state of Pump OPT board 5 Start Stop switch of the front panel does not work Check switch contact points Verify the shortages of 20 CG and 25 Run wire of main...

Страница 56: ...mp it s possible in test operating Re set the operating pressure and time of the auxiliary pump 12 Auxiliary pump operates frequently In the user setting screen re set the operating pressure and time...

Страница 57: ...Ex factory default setting is voltage control method 3 Pump test operation Thank you for your selection of our boost pump system In this section check items procedures and manuals for test operation a...

Страница 58: ...ontroller LCD screen is the desired input value in case of change set pressure correct the date set pressure according to this manual printed inside of the panel 11 When all steps are completed set ST...

Страница 59: ...operates under emergent automatic operation mode Indications In case of inverter failure auto emergent operation is carried out automatically and the failure notice is indicated in main screen In the...

Страница 60: ...operation method to be carried when normal operation is unavailable due to the failure of most of core components such as inverter pressure transmitter pressure switch controller and etc Starting meth...

Страница 61: ...tocol ModBus RTU Protocol Function code Code Name 0x03 Read Hold Register 0x06 Preset Single Register READ Query example response Single Write Query example Pressure 5 5bar response Setting for commun...

Страница 62: ...485 485 signal high Check whether RS485 is use or not Refer Page 38 Check communication Refer Page 38 Check N747D Slave ID Protocol Slave ID should be Same with N747D Slave Refer Page 38 Check the st...

Страница 63: ...0 100 0x400A Pump 6 output 1 R 0 100 0x400B Option inverter output 1 R 0 100 0x400C Setting Pressure 0 1 bar R W 0 250 0x400D Current Pressure 0 1 bar R 0 250 0x400E Pump1 operation number 1 Num ber R...

Страница 64: ...peration time 1 hour R 0 65535 0x401C Pump3 operation time 1 hour R 0 65535 0x401D Pump4 operation time 1 hour R 0 65535 0x401E Pump5 operation time 1 hour R 0 65535 0x401F Pump6 operation time 1 hour...

Страница 65: ...or each pump Low Byte Trip content Bit 0 High pressure Bit 1 Low pressure Bit 2 Pump over current Bit 3 Inverter1 Bit 4 Low level Bit 5 Sensor Bit 6 Inverter2 option Bit 7 Emergent operation High Byte...

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