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MIURA_CONFIDENTIAL

No. S827-089-0917

1.1.3

MW-600U and MW-1000U

Figure 1.3: System Overview (MW-600U and MW-1000U)

Drain valve

Details of resin tank bottom

Front view

Control panel

Brine tank

Pressure

gauge

No.1 unit

* The only difference between

the No.1 unit and No.2 unit is
the existence of the pressure
gauge and pressure switch.
The pressure gauge and
pressure switch are installed
on the No.1 unit.

Control valve assembly

Bypass valve assembly

No.2 unit

Brine flowmeter

Pressure gauge
Pressure switch

Maintenance valve

(with strainer)

“Always open”

Inlet valve

“Always open”

Bypass valve

“Always closed”

Outlet valve

“Always open”

Pressure reducing valve

Details of control valve assembly

Brine valve assembly

Automatic valve assembly

Manual valve assembly

Содержание MW-1000U

Страница 1: ...t was formulated in Japan Comply with the regulations and standards of the country of use regarding installation and usage The specifications of products and components may vary with country of use an...

Страница 2: ...2 1 Operation and Display Flowchart 14 2 2 Details of Each Mode 15 2 2 1 Display when Powering Up 15 2 2 2 User Mode 15 2 2 3 Setting Modes 17 2 2 4 I O Modes 25 2 2 5 Alarm History Mode 26 2 2 6 Mana...

Страница 3: ...ndby Process Transition 47 3 3 19 Service Standby Process 48 3 3 20 Service Standby Service Process Transition 49 3 3 21 Unit Failure Process 50 3 3 22 Control Valve Position Reset Process 53 3 4 Rege...

Страница 4: ...ssure switch Water sampling port Inlet valve procured on site Pressure reducing valve Installed when the raw water pressure is high Strainer Water flowmeter Flow control valve No 2 unit Ggou No 1 unit...

Страница 5: ...igure 1 2 System Overview MW 100U MW 150U MW 250U and MW 400U Control valve Control panel Brine tank No 1 unit Ggou No 2 unit Ggou Front view Control box Pressure gauge Water sampling port Pressure sw...

Страница 6: ...the existence of the pressure gauge and pressure switch The pressure gauge and pressure switch are installed on the No 1 unit Control valve assembly Bypass valve assembly No 2 unit Brine flowmeter Pre...

Страница 7: ...ater softener Details of manual valve assembly bypass valve When three handles are turned by 180 and indications are reversed water is bypassed Maintenance valve Pressure reducing valve Installed when...

Страница 8: ...50U MW 250U and MW 400U In the case of an old type MW AC power is supplied to the control box and the switching power supply and fuses are installed in the box Figure 1 5 Control Box Internal Diagram...

Страница 9: ...of an old type MW AC power is supplied to the control box and the switching power supply and fuses are installed in the box Figure 1 6 Control Box Internal Diagram MW 600U and MW 1000U DS NET termina...

Страница 10: ...current alarm history is displayed to forcibly cancel the displayed alarms Different alarms can be canceled in the user mode and maintenance mode For details see 5 Guide to Warnings Cautions and Noti...

Страница 11: ...Lights again after the alarm is canceled Notice lamp yellow LED Flashes when a caution or notice is generated Stops flashing and lights continuously when the Stop Buzzer Check Notice button is pressed...

Страница 12: ...Regeneration starting time are initialized and this requires each item to be set again Default value SW1 3 is OFF Model MW 22J Regeneration starting time 2 00 SW1 3 is ON Model MW 200J Regeneration s...

Страница 13: ...URA_CONFIDENTIAL No S827 089 0917 10 SW2 3 Turn OFF ON OFF to reset the microcomputer Caution Do not inadvertently use All clear or Memory clear to clear alarms This may cause the system to malfunctio...

Страница 14: ...Check valve 18 Colormetry for hardness 19 Gate valve Raw water inlet 1 Injector strainer Injector nozzle throat PG PS 19 Control valve assembly Note 1 The water softener main units and accessories are...

Страница 15: ...ply valve 2 Bypass valve Watersupply valve1 Injector valve Fast rinse valve Regenerationdrainvalve Brine valve Drain 20 Regeneration drain Regeneration drain outlet 1 Softened water outlet MW 100U 1 1...

Страница 16: ...water softener Mark Part name 1 Control valve assembly 2 Resin cylinder 3 Brine tank assembly 4 Strainer 5 Raw water pressure switch 6 Pressure gauge 7 Maintenance valve with strainer 8 Reduction valv...

Страница 17: ...S FM__999999ml P Item 3 10 1 Brine Flowmeter S BFM_99 999ml P Item 6 1 Maintenance Data MAINT_Data ____ 6 2 Total Volume of Water Flow Total___9999999 6 3 No 1 Unit Total Volume of Water Flow 1 Total_...

Страница 18: ...processes following 1 are shown in Table 2 2 Displayed if the maintenance switch is ON 6 No 1 Unit Residual Capacity 1 Residual__80 _ Displays residual capacity of the No 1 unit as a percentage Value...

Страница 19: ...SL RNS xxmin Displays the remaining process time Value flashes when regeneration is stopped Slow Rinse Brine 2 Transition MW 600U and MW 1000U only BRINE BRINE Displayed flashing Brine 2 MW 600U and...

Страница 20: ...ets the regeneration starting time for single unit regeneration based on time and flow rate or for single unit regeneration based on time when one unit has failed Setting the start time to 24 00 stops...

Страница 21: ...of Colormetry takes priority However this value must be set since it is used when the monitoring value is outside the monitor range Colormetry is malfunctioning or a communication error occurs 7 Maxi...

Страница 22: ...ls about acquiring the ID 3 CMU H Communication ID Sets the Colormetry unit ID to synchronize control with Colormetry and automatically switch water supply units when a hardness leakage error occurs S...

Страница 23: ...65U 1 050 MW 100U MW 150U MW 250U MW 400U 8 900 MW 600U MW 1000U 7 690 10 Salt Refill Do not unnecessarily change this setting When set to Miura the alarm F800 06 Replenish Salt is notified online to...

Страница 24: ...000 179 000 199 000 MW 400U 214 000 244 000 285 000 315 000 MW 600U 335 000 404 000 497 000 548 000 MW 1000U 519 000 631 000 780 000 854 000 Hardness Removal Capacity grains regeneration REGENERATION...

Страница 25: ...ed treated water amount per day and calculate the number of regenerations per day Regeneration per day Required treated water amount per day Daily water softening capacity 2 Regeneration per day 1 The...

Страница 26: ...8 9404 325 5836 6681 7835 8681 350 5419 6204 7276 8061 CONVERTED RAW WATER HARDNESS mg L REGENERATION LEVEL g L R 90 120 180 240 50 56004 63401 73968 82421 75 37336 42267 49312 54947 100 28002 31700 3...

Страница 27: ...708 62520 325 35277 42592 52346 57711 350 32757 39550 48607 53589 CONVERTED RAW WATER HARDNESS mg L REGENERATION LEVEL g L R 90 120 180 240 50 355575 432185 533627 561629 75 237050 288123 355751 37441...

Страница 28: ...mal pressure Low pressure 10 Free Always 0 11 Free 0 or 1 NO DISPLAY I2 1 2 3 4 _ 5 6 7 _ 8 9 10 11 0 1 1 Regeneration Interlock No interlock Interlocked 2 Regeneration Inhibit Evaluation Regeneration...

Страница 29: ...of Water Flow After Replacement of Ion exchange Resin 1 AF_____20000gal Displays the total water flow for the No 1 unit after the ion exchange resin was replaced Reset the water volume when the ion ex...

Страница 30: ...erlocks and other items that inhibit regeneration Button operations during regeneration can be used to advance the process Press the button to switch the items Press the button while the target unit i...

Страница 31: ...e This method starts regeneration when alarm C210 01 02 CV failure or C210 03 04 Controller failure occurs in one unit During the Service process the normal unit continuously calculates the removed ha...

Страница 32: ...is less than 24 hours 3 2 Manual Regeneration The MW water softener offers two ways to start manual regeneration 3 2 1 User Manual Regeneration When the screen display is not in the maintenance manual...

Страница 33: ...units Series connection Parallel connection Valve driving method Cam driven valve Motorized valve The MW 600U and MW 1000U have valves that are operated momentarily between processes to bleed air and...

Страница 34: ...position manual reset Backwash Backwash Regeneration Standby Transition Refill Service Standby Transition Control Valve Position Reset Previous state not saved Memory Clear All Clear performed Control...

Страница 35: ...ration start conditions are met for a unit However if the regeneration inhibit signal is input the Service process continues even if the regeneration start conditions are met If the in service signal...

Страница 36: ...tates to open or close the valve Before transition to the regeneration processes the other unit on standby switches to the Service process and then the unit for regeneration switches to the Backwash p...

Страница 37: ...R WT PRES Yes status for a cumulative time exceeding the set time for the Backwash process The clock stops in the low pressure R WT PRES drop status In the case of MW 35U MW 65U MW 100U MW 150U MW 25...

Страница 38: ...Transition The control valve motor rotates to open or close the valve PG PS Regeneration drain Softened water Raw water No 1 unit Backwash M M M M M M M M M No 2 unit Service M M M M M M M M M Regener...

Страница 39: ...ses up the regeneration interlock time without switching to the Backwash process The process continues unhindered if the regeneration interlock time is 0 See 3 5 2 Regeneration Interlock Time Processi...

Страница 40: ...unit in Regeneration Standby process is closed 3 3 6 Regeneration Standby Brine Process Transition The control valve motor rotates to open or close the valve PG PS Regeneration drain Softened water Ra...

Страница 41: ...n volume from the brine flowmeter reaches the value preset by the Type and Regeneration level settings When the raw water pressure switch monitoring the raw water pressure is in normal pressure R WT P...

Страница 42: ...trol valve motor rotates to open or close the valve PG PS Regeneration drain Softened water Raw water No 1 unit Brine Brine valve M M M M M M M M M No 2 unit Service M M M M M M M M Injector nozzle th...

Страница 43: ...stributor MW 35U MW 65U MW 100U MW 150U MW 250U and MW 400U continue in bypass The operation switches to the next process when the raw water pressure switch monitoring the raw water pressure is in nor...

Страница 44: ...valve In the case of MW 35U to MW 400U see 3 3 15 Fast Rinse Process on page 44 In the case of MW 600U and MW 1000U see 3 3 11 Brine 2 Process on page 42 PG PS Regeneration drain Softened water Raw wa...

Страница 45: ...valve 2 Regeneration drain valve Brine flows from the bottom of the resin tank and accumulates at the middle distributor Operation switches to the next process when the total brine suction volume fro...

Страница 46: ...o the next process when the raw water pressure switch monitoring the raw water pressure is in normal pressure R WT PRES Yes status for a cumulative time exceeding the set time for the Slow Rinse proce...

Страница 47: ...ock stops in the low pressure R WT PRES drop status In the case of MW 35U MW 65U MW 100U MW 150U MW 250U and MW 400U soft water from No 1 unit is used to fast rinse No 2 unit As the drain volume for t...

Страница 48: ...ansition The control valve motor rotates to open or close the valve PG PS Regeneration drain Softened water Raw water No 1 unit Fast Rinse M M M M M M M M M No 2 unit Service M M M M M M M M M Regener...

Страница 49: ...essure is in normal pressure R WT PRES Yes status When the cumulative time that the raw water pressure is in normal pressure R WT PRES Yes status after entering Refill mode exceeds the refill upper li...

Страница 50: ...nsition The control valve motor rotates to open or close the valve PG PS Regeneration drain Softened water Raw water No 1 unit Refill M M M M M M M M M No 2 unit Service M M M M M M M M M Regeneration...

Страница 51: ...600U MW 1000U Water supply valve 1 The unit is kept in standby until the Service process starts If the unit or the other unit meets the regeneration start conditions or if the other unit is failed op...

Страница 52: ...lve 1 of the unit in Regeneration Standby process is closed 3 3 20 Service Standby Service Process Transition The control valve motor rotates to open or close the valve PG PS Regeneration drain Soften...

Страница 53: ...situation continues for a long time raw water is supplied to the secondary side This is because raw water is bypassed inside the control valve during regeneration for MW 35U 400U MW 600U and MW 1000U...

Страница 54: ...Control valve error If you reset the PLC and CPU board the unit may return Please reset the sequencer by the following method 1 Checking the type of PLC It is necessary to perform a reset operation ac...

Страница 55: ...C lights while the terminals are short circuited After confirming that the 16 and 27 lamp lights remove the jumper wire 3 Resetting the control valve position and advancing the process After resetting...

Страница 56: ...on is performed the previous processes are not saved Consequently the processes that had been performed before reset position detection are registered and back calculation is used to determine the pro...

Страница 57: ...30 40 57 42 42 46 Regeneration level 240 40 53 76 56 56 61 As MW 35U to MW 400U contain two units connected in series soft water from the No 1 unit is used for Backwash and Fast Rinse of the No 2 uni...

Страница 58: ...ly advanced from the Brine process Slow Rinse process Brine 2 process Slow Rinse 2 process or Fast Rinse process MW 600U and MW 1000U only Regeneration evaluation Possible INSUF capacity Residual capa...

Страница 59: ...vanced in the maintenance manual regeneration mode see 2 2 7 Maintenance Manual Regeneration Mode on page 27 3 6 Coordinated Control with Colormetry Coordinated control with Colormetry is possible if...

Страница 60: ...leakage counter 0 Hardness leakage counter 0 Hardness leakage counter 0 Hardness leakage counter does not count up until residual capacity has been consumed by the equivalent to HARD LKG REGEN INHIB v...

Страница 61: ...is used When synchronized Raw water hardness Monitoring value R WT HARD INFO correction default value 120 When not synchronized Raw water hardness Raw water hardness setting Note Safety factor The mon...

Страница 62: ...settings for the following items can be changed only on this screen 1 Serial No Saves the serial number Does not affect control 2 Transfer destination number Sets the contact telephone number for noti...

Страница 63: ...et value The default setting is 60 Do not change this setting 12 REGEN method Select Flow or Periodic regeneration Flow is selected by default Change this setting if regeneration based on time is requ...

Страница 64: ...reen This screen provides realtime information about the system It is refreshed automatically every few seconds 1 Control Panel Status and Remote Operations This section shows the status of system con...

Страница 65: ...mation Feed REQ STAT Displays Request when any of the in service signals acquired as a contact signal or the in service signals acquired by communications is ON Displays No REQ when all in service sig...

Страница 66: ...itch float is down OFF Brine flow Displays the instantaneous flow rate of the brine flowmeter SRVC flow Displays the instantaneous flow rate of the water flowmeter CV Displays the status of the contro...

Страница 67: ...me Displays the total service time since regeneration completed and the Service process started This value is reset when regeneration is complete Total feed REQ Displays the total service time the in...

Страница 68: ...neration started in alternating periodic regeneration Single unit timer VOL AUTO Normal regeneration started in single unit regeneration based on time and flow rate Single unit timer AUTO Normal regen...

Страница 69: ...date and time regeneration started and the regenerated unit for the 20 most recent regeneration history items Select one of these items to display the corresponding detailed data screen 2 Evaluation...

Страница 70: ...completed and the regeneration completion state see page 64 5 Detailed Data During Regeneration Start time Displays the start time of each process Displays as 00 00 for regeneration processes not comp...

Страница 71: ...drop status occurred during each process REGEN inhibit Displays whether the regeneration inhibit signal was input during each process Displays Yes if the signal was input at least once during each pro...

Страница 72: ...data for the 10 most recent alarms The displayed information is described below 1 History Selection The dialog box pull down menu displays the date and time alarm code and alarm name of the 10 most r...

Страница 73: ...esult Displays the alarm online notification result Displays No XFR for an alarm with No online notification setting Cancel date Displays the date and time that the alarm was canceled Cancel type Disp...

Страница 74: ...IDENTIAL No S827 089 0917 71 4 External Input Status Displays the external signal input status when the alarm occurred 5 External Output Status Displays the external signal output status when the alar...

Страница 75: ...1 Communication error Delay in alarm communications C590 09 Control check Memory data error RAM F500 01 Maintenance check Hardness leakage regeneration continuance error No 1 unit F520 10 Hardness lea...

Страница 76: ...to maintain the amount of softened water required per day Is flow control valve closed too much Is feed water strainer clogged When unit is switched during manual regeneration is normal flow rate achi...

Страница 77: ...tatus continued Problems MW 35U to MW 400U During Service process water flow pressure losses increase During regeneration processes raw water supply and draining continue MW 600U and MW 1000U During S...

Страница 78: ...None specified Circuit board failure Is alarm canceled by turning power OFF and back ON If alarm cannot be canceled replace circuit board ALARM SYMPTOM Control error ALARM DESCRIPTION Water Softener...

Страница 79: ...Yes Buzzer Yes Notification Yes Safety key is not connected None specified The safety key has been removed Has the safety key been removed Connect the safety key ALARM SYMPTOM Safety error ALARM DESC...

Страница 80: ...ol valve position manual reset or alarm cancellation to operate the valve Does the reset position sensor input switch between ON and OFF in I O mode Disassemble the control valve and eliminate cause o...

Страница 81: ...ol valve position manual reset or alarm cancellation to operate the valve Does the reset position sensor input switch between ON and OFF in I O mode Disassemble the control valve and eliminate cause o...

Страница 82: ...connectors Replace wiring if necessary ALARM SYMPTOM Water supply error Water softener ALARM DESCRIPTION Water Softener Status No 1 unit control valve cannot be controlled Control Regeneration mode sw...

Страница 83: ...connectors Replace wiring if necessary ALARM SYMPTOM Water supply error Water softener ALARM DESCRIPTION Water Softener Status No 2 unit control valve cannot be controlled Control Regeneration mode s...

Страница 84: ...not be canceled replace circuit board Caution If alarm is canceled all set values must be reset as they revert to default values ALARM SYMPTOM Control error ALARM DESCRIPTION Water Softener Status All...

Страница 85: ...6 PSI while pumping the water flow for MW feed water and regeneration drain water Is flow control valve open too much Is feed water strainer clogged Is the raw water pressure switch input low pressure...

Страница 86: ...er supply turned off Is the DS NET wiring conductive Is there a problem with the wiring Is there a problem with the ID setting for MW and communication interface device Turn on the communication inter...

Страница 87: ...no long term power failure occurred Circuit board failure Did a long term 10 days or longer power failure occur or was the power turned off for a long term Did a short term less than 10 days power fai...

Страница 88: ...lormetry measured result match the manual soft water check result Are Colormetry set to measure hardness only during water feed Possible deterioration reduced capacity of ion exchange resin if none of...

Страница 89: ...olormetry measured result match the manual soft water check result Are Colormetry set to measure hardness only during water feed Possible deterioration reduced capacity of ion exchange resin if none o...

Страница 90: ...kwash valve regeneration drain valve or brine valve Is the brine valve float locked When the brine valve float is lifted stop position does refilling from the brine valve stop Water leaks in the line...

Страница 91: ...ve closed in the water supply line to drive the ejector Is the drain flow hindered by blockage in the drain line or by vertical installation or reduced diameter of the pipes Remove the cause of the bl...

Страница 92: ...e the brine concentration switch float up and down and check in I O mode that the input changes Is the brine concentration switch wiring conductive Replenish the salt Use a rod to destroy the salt bri...

Страница 93: ...rol and operation of the regeneration inhibit signal output normal Ensure contacts are OFF and check the wiring conductivity Disconnect the regeneration inhibit signal input wire from the MW terminal...

Страница 94: ...water control is the motorized valve malfunctioning Is there a problem with the control logic for the in service signal output Ensure contacts are OFF and check the wiring conductivity Disconnect the...

Страница 95: ...ine flowmeter Is the brine tank empty Is the manual valve closed in the water supply line to drive the ejector Is the drain flow hindered by blockage in the drain line or by vertical installation or r...

Страница 96: ...roblem with the MW and CMU G ID setting Leave the power ON permanently If wiring is not conductive replace the wiring Refer to Installation Manual and correctly connect the wiring between the equipmen...

Страница 97: ...r turned ON Is the DS NET wiring conductive Is there a problem with the wiring Is there a problem with the MW and CMU H ID setting Leave the power ON permanently If wiring is not conductive replace th...

Страница 98: ...power is OFF Problem with DS NET wiring Incorrect ID setting Is the feed water device power turned ON Is the DS NET wiring conductive Is there a problem with the wiring Is there a problem with the ID...

Страница 99: ...NET wiring Incorrect ID setting Is the WP2 power turned ON Is the DS NET wiring conductive Is there a problem with the wiring Is there a problem with the MW and feed WP2 ID setting Leave the power ON...

Страница 100: ...d MW 400U 22 PSI MW 600U and MW 1000U 26 PSI while pumping the water flow for MW feed water and regeneration drain water Is flow control valve open too much Is feed water strainer clogged Is the raw w...

Страница 101: ...ck that the AC power is supplied from the surge protector Check with the supervisor for construction work or adverse weather Leave the MW main power supply permanently ON If wiring is not conductive r...

Страница 102: ...brine concentration switch caused locking or fluctuations in weight Refer to the Cleaning brine concentration switch section of the MW Inspection Manual to check that the float was installed in the co...

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