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Yamato WA500, Instruction Manual, Page: 1 / 51

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Yamato WA500 Instruction Manual Download Page 1

 

 

 

Instruction manual 

 

Water Purifier, Auto Still 

WA500/WA570 
WA710/WA730

 

 
 

First Edition

 

Y Yamato Scientific America Inc

．

 

Santa Clara

，

CA

 

 

 

This paper has been printed on recycled paper. 

●

Thank you very much for buying Yamato Scientific 
AUTO STILL

®

 series WA500/570/710/730 model. 

 

●

For  proper  use  of  this  unit,  pleas  read  the 

instruction manual and warranty thoroughly before 
operation. Keep both for any future references. 

 
   

Warning  : 

Read  and  apprehend  the  important 

warning signs in this instruction prior to use. 

Summary of Contents for WA500

Page 1: ...een printed on recycled paper Thank you very much for buying Yamato Scientific AUTO STILL series WA500 570 710 730 model For proper use of this unit pleas read the instruction manual and warranty thoroughly before operation Keep both for any future references Warning Read and apprehend the important warning signs in this instruction prior to use ...

Page 2: ......

Page 3: ...d Water 29 Collection of The Fixed Volume of Distilled Water 30 Indication of Water Quality 31 Display of Total Flow Resetting 33 Safety Devices and Error Codes 34 Displays and Details of Error Code 34 Trouble Displays other than Error Codes Details 35 Troubleshooting 36 Maintenance 37 Check and maintenance 37 Exchange of Pre Treatment Cartridge 37 Exchange of membrane filter 37 Exchange of Ion Ex...

Page 4: ...eath Caution Caution indicates possibility of injuries 2 on person or damages on property 3 1 Serious injuries mean any injuries electric shocks bone fractures and poisoning causing after effects or requiring hospitalization or long outpatient treatment 2 Injuries mean any injuries and electric shocks not requiring hospitalization or long outpatient treatment 3 Damages on property mean any damages...

Page 5: ...p also blinks The TROUBLE lamp also blinks Water leakage Heater overheating Defect of the float switch for the distilled water tank The TROUBLE lamp also blinks The TROUBLE lamp also blinks The TROUBLE lamp also blinks Abnormal boiler water level Defect of the float switch to control the boiler water level Defect in the electric circuit If any error codes should come up note the error code and tur...

Page 6: ...ble during use Overheat or fire can occur if the power code is bundled in use of the unit Do not damage the power code Forcibly bending pulling or wrenching damages the power code and can cause a fire or electric shock Do not disassemble or remodel this unit Disassembling this unit can cause a fire electric shock or other crisis Never disassemble or remodel this unit Do not touch hot area Pay atte...

Page 7: ... you switch the unit ON and OFF and can cause a fire or explosion Select carefully the space to install the unit Do not install this unit in any of the following environments In inflammable or corrosive gas environments In temperature beyond 35 In severe change in temperature In very humid locations Under direct sun In frequently vibrating areas Provide ample space surrounding the unit as indicate...

Page 8: ...high pressure areas inside the unit Ask your seller or Yamato Scientific s Technical Service Department for internal adjustment or repair You must follow this instruction manual for your daily check or maintenance Never remodel the unit by yourself to prevent any troubles Install this unit on level areas If you do not unexpected trouble can occur Remodel ...

Page 9: ...ou connect to those without enough capacity you would not take enough distilled water or control properly the unit due to decrease of voltage from the power source Connect the power code to the sufficient power source Necessary capacity WA500 AC115V single phase 33 5A WA570 AC220V single phase 18A WA710 AC220V single phase 35 5A WA730 AC220V triple phase 21A Precaution for connecting the power cab...

Page 10: ...an result in fire or electric shock Do not place the cable near any stoves or heaters or the cable coating can melt causing a fire or electric shock If the power cable is damaged core exposure or disconnection turn immediately the circuit breaker and the power supply off and request the seller to change the power cable Neglecting this procedure can cause a fire or electric shock Connect the cable ...

Page 11: ...rection the arrow shows Then you can separate the connector and the hose 2 Loosen the plug from the ring 3 Fasten 4 screws in the same way while pushing the ring lightly and evenly so that the packing touches evenly the tap 4 Turn right and fasten securely the plug Then the packing seals the tap and connector 5 Slide the sleeve to the direction the allow shows and insert the socket securely into t...

Page 12: ...iginal position when you loose your hold Then you can finish the connection The socket has a built in valve which would not open for water run until the plug is connected Connect the water supply hose to a tap with drainage system Connect the hose to a tap with drainage system If you connect the water supply hose to a tap without drainage system damage on the hose could result in overflow of water...

Page 13: ...Unit about connection to the faucet and for more information The Water Supply Unit has the structure to keep tight connection to the pipe compared to a normal hose set even when the water pressure changes Nipple Valve strainer City water tube Elbow Water supply hose Sleeve Keep the following pressure of water service Keep water pressure within 1 to 5 100kPa 1 to 5kgf cm2 even for use at night Keep...

Page 14: ... out of three in the back to arrange the hose without bending Pass the hose band over the hose Then insert the hose into the drain and fasten the hose band You must take off the back board to arrange the hose to the drain through the back side of the unit when you insert the hose from the inlet 1 Be careful to arrange the drainage hose Do not bend the hose nor make any convex part Arrange the hose...

Page 15: ...ility or the drained the unit to the chloroethylene pipe in case the pipe temperature does not get lower than 60 Use the drain trap of the non standard accessory even under 60 when you do not use the above said pipe and joint If the drain pipe of the drainage facility does not get lower then 60 Connect the drain trap a non standard accessory for the unit The trap keeps the drained water for a whil...

Page 16: ... caps on the IN and OUT of the cartridge 4 Open the unit front door Then you can find one connecting hose with the IN coupler and other with the OUT Connect the respective hoses to IN and OUT of the cartridge 5 To connect each hose slide the blue part of the coupler back to the hose side and fit the end of the coupler to the respective end of the cartridge Then release the blue part 6 After you fi...

Page 17: ...cessories for the unit 2 Open the direction of the water intake 3 Check the direction of the membrane according to the arrow Then pull and wind the sealing tape clockwise 2 or 3 times on the membrane filter Cut the remaining tape 4 Gibe three turns and screw the membrane into the filter joint with the sealed part of the membrane set upward Be careful not to destroy the screw thread Check water lea...

Page 18: ... resin cartridge in the following procedure Fit the cartridge securely If you do not connect it firmly water could leak 1 Take the ion exchange cartridge out of accessories for the unit 2 Open the front door 3 Set the ion exchange resin cartridge on the holder of the unit 4 There are IN and OUT hoses Connect these hoses to the respective IN and OUT of the cartridge Holder Ion exchange resin cartri...

Page 19: ...ts When you dispose of the unit Do not leave the unit in child playground etc Be careful to use the cleanser Keep the cleanser in an airtight container and avoid preservation in hot and humid areas The main ingredient of the cleanser Organosol 10 is sulfamic acid PH1 acid solution Wear protective gloves mask and glasses to handle the cleanser Wash by pure water the cleanser splashing on body Neutr...

Page 20: ... 17 Identification of Parts Body WA710 This drawing identifies parts There are some different parts used for WA500 570 730 ...

Page 21: ...tridge 21 Float switch to check the water level 7 Float receptacle 22 Drain for distilled water tank 8 Float switch to detect boiler overheat 23 Pump 9 Float switch to control boiler water level 24 Pump pressure switch 10 Float switch to control the heater 25 Water flow sensor 11 Solenoid valve to drain boiler water 26 Solenoid valve to take distilled water 12 Cock to drain boiler water 27 Ion exc...

Page 22: ...eatment cartridge 21 Float switch to check water level 7 Float receptacle 22 Drain for distilled water tank 8 Float switch to check boiler overheat 23 Pump 9 Float switch to control boiler water level 24 Pressure switch for pump 10 Float switch to control the heater 25 Flow sensor 11 Solenoid valve to drain boiler water 26 Solenoid valve to take distilled water 12 Cock to drain boiler water 27 Ion...

Page 23: ...ater supply when 9 float switch to control the boiler water level finds water level sufficient 14 heater becomes on to start distillation Following initial water supply when 9 float switch controls water supply into the boiler by opening and closing 5 solenoid valve to supply water into the boiler 2 Flow of cooling water Water supply Drainage Cooling water flows from the 1 decompressor 3 cooling w...

Page 24: ...ated Distilled water stored is taken out by 23 pump through 25 water flow sensor 26 solenoid valve to take distilled water and 30 membrane filter However when the distilled water in the tank gets lower than 8L the lowest float switch is activated to stop the empty pump operation 4 Collection of ion exchanged water Drainage Water supply Distilled water in storage is taken out by 23 pump through 27 ...

Page 25: ... exchanged water Select switch Switch to take distilled water Lamp to identify the measured electrode Lamp to indicate collection of distilled water Unit of water quality measurement Unit of amount to collect Indicator 1 Indicator 2 Trouble indication lamp Function key Distilled water level indicator Enter key Switch to change methods to take pure water Up key Display lamp to identify the method t...

Page 26: ... Quality of distilled water at the exit of the condenser １０ ４ Ｓ ｍ １０４ Ω ｍ nit to display water quality Either unit of the value the indicator 1 shows is identified 10 4s m represents the electrical conductivity μS cm 104Ω m represents the resistivity MΩ cm The resistivity is shown by the integral number within 1 to 18 WATER QUALITY Indicator 1 The displayed selected water quality is the converted ...

Page 27: ...d collection On the other hand the lamp foes out when you select collection of the fixed volume Switch to collect ion exchanged water 1 In case of repeated collection Switch ON one push to collect ion exchanged water Switch OFF one more push to stop collection 2 In case of collecting the fixed volume Switch ON one push to start collection of ion exchanged water The unit stops automatically its ope...

Page 28: ... include the initial distilled water drained or water supply into boiler FUNCTION Function key Push the select functions The indicator 2 identifies the selected function ENTER Enter key A push on the key completes your selection of function In other word you need to push this key to escape from the function selecting mode Up key Push the key to set the following 1 At collection of the set volume S...

Page 29: ...urely connected Then open the tap Make sure if no water leaks from the joint of the hose 2 Check drain Check if the drain hose is securely connected Make sure if the hose is not bent or if there are no convex parts 3 Check the power source Make sure that the power cable is connected to an appropriate switchboard ...

Page 30: ... if you push the power key some time after switching on the earth leakage circuit bleaker 2 15 minutes after you push the power key WATER QUALITY SELECT ION EXCHANGED WATER DISTILLED WATER TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l CON FIX DISTILLED WATER POWER Display of operation panel The indicator 1 shows electric conductivity of ion exchanged water Ex The ION EXCHANGED WATER lamp is lit t...

Page 31: ...er the unit automatically stops taking water and the lamp indicating collection of distilled water goes out Repeated collection of distilled water WATER QUALITY SELECT ION EXCHANGED WATER DISTILLED WATER TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l CON FIX DISTILLED WATER POWER Push once the DISTILLED WATER switch while the STAND BY lamp identifying the method of water collection is lit but the ...

Page 32: ... 9L 3 Push the ION EXCHANGED WATER switch Ion exchanged water comes out from the intake of the membrane filter TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l CON FIX DISTILLED WATER Among the operation panel indicators The lamp indicating collection of ion exchange water is lit The indicator 2 starts decreasing the displayed value If the yellow no water lamp is lit during water collection the unit...

Page 33: ...STILLED WATER switch distilled water comes out from the intake of the membrane filter TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l CON FIX DISTILLED WATER Among the operation panel indicators The lamp indicating collection of distilled water is lit The indicator 2 starts decreasing the displayed value If the yellow no water lamp one of indicators to show the level of distilled water stored is li...

Page 34: ...display The indicator 2 changes its displays as follows Repeated collection Mode to display the total water flow Mode to change the unit to indicate water quality Select the display of 2 Push either or key once WATER QUALITY SELECT ION EXCHANGED WATER DISTILLED WATER TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l Among the operation panel indicators The unit for water quality indication changes Th...

Page 35: ...ntegral number within 18 to 1 104 Ω m Note there is no decimal number indication ρ 0 055 10 4 S m 0 055μS cm 25 Quality of ion exchanged distilled water Ion exchanged water and distilled water have the following properties respectively Select either water according to your requirement It is ideal to use distilled water just after you collect If you do not use the water soon drain the distilled wat...

Page 36: ...BY DRAIN ENTER DISTILLED WATER l The indicator 2 in the operation panel shows the total flow 3 Push the ENTER key to cancel the function TROUBLE STAND BY DRAIN ENTER DISTILLED WATER l CON FIX DISTILLED WATER The indicator 2 in the operation panel shows Resetting the total flow Select the total flow in the indicator 2 Then push the CON FIX and ENTER key at the same time TROUBLE STAND BY DRAIN ENTER...

Page 37: ...seller or Yamato Scientific s Technical Service Department Detecting abnormal water level is lit Abnormal water level in the float receptacle Heaters solenoid valves and any other controllers become off Check if the boiler water drain cock is Indicated with the cock closed contact the seller or Yamato Sientific s Technical Service Department Detecting float switch trouble is lit Trouble of the flo...

Page 38: ... you select the electrode Indications of and are shown at the same time Follow the respective Instructions Detecting sensor trouble Disconnection of the measured electrode without water The usual operation continues However the sign is continuously shown when you select the electrode This situation sometimes occurs in operation of this device However if this indication would not disappear for a lo...

Page 39: ... enough the bottom areas of the device as well as the leak detecting electrode Then set the electrode in the original position to re start the operation 2 Close the left door 3 Turn the bleaker ON and push the POWER switch Normal operation starts as the defect is repaired Boiler Float receptacle Water leak detecting electrode Left door ...

Page 40: ...dicator 1 shows or each 6 months Exchange of Pre Treatment Cartridge Refer to Page 13 Connect securely the pre treatment cartridge in the Safety Precaution Dispose of the old pre treatment cartridge as nonflammable If you use the unit without changing the cartridge stone attaches increasingly to the inside of the boiler and heaters which can decrease collection of distilled water and damage heater...

Page 41: ...he butterfly nut from heater cover 6 Take off heater cover and remove all leads from heaters and overheat detectors 7 Take off connecting screws separate condenser and boiler Be careful not to lose or damage packing 8 Remove boiler first from the body Take off the fixed screw by cross driver Pull boiler forward to remove from the body Be careful about the hose joint at the removal 9 Hold condenser...

Page 42: ...re removed in about 4 to 5 hours However you had better spend more time on cleaning according to condition inside the boiler When the scale detergent changes its color from purple blue to yellow that shows the scale detergent can not clean any more In such case drain the scale detergent from the boiler If all scales in the boiler are not removed add new scale detergent to repeat cleaning 5 When th...

Page 43: ...erse procedure Exchange Hoses Use the specified hose for exchange Change the pressure proof hose white milk color used for the unit as follows 1 Take off cap nuts and pull the hose out from the connector 2 Cut perpendicularly the end of new hose 3 Fit the new sleeve and cap nuts to the new hose 4 Insert the hose deeply into the connector and fasten the cap nut through the sleeve Hose white milk co...

Page 44: ...he unit water would not flow into the boiler or start distillation All water would come out from the boiler drain cock Draining distilled water 1 Make sure if the unit breaker is turned off Open the front door 2 Pull out the hose to drain distilled water set at the left back of the pre treatment cartridge 3 Turn end stopper counterclockwise to drain the distilled water from the tank Check in advan...

Page 45: ...f the unit When you encounter the following Fault indication Check points STAND BY switch is not lit when the breaker is turned on Is the power supply cable is securely connected with a switchboard or outlet Is there any power failure No water is supplied ion exchanged water Low pressure or interruption of water service Defect of solenoid valve to take ion exchanged or distilled water Defect of so...

Page 46: ... 1 5 100kPa 1 5kgf cm2 Power requirement 50 60Hz AC115V About 33 5A AC220V Single phase About 18A AC220V Single phase About 35 5A AC220V Triple phase About 21A External dimensions 1 W D H About 900 600 1 430 mm Weight About 120 kg Supplemental functions Water abnormality alarm System to prevent operation of the empty pump Automatic boiler drainage Automatic adjustment of cooling water level Preven...

Page 47: ... cooling water Tf2 Transformer FS1 Float switch to control heater SV7 Solenoid valve to take distilled water Wl Water leak detector FS2 Float switch to control boiler water level MV Solenoid valve to drain boiler water X1 Relay FS3 Float switch for boiler overheat P Pump PS2 Pressure switch FS4 Float switch to check water level PIO 5 Operation board TF Transformer FS5 Float switch to check water l...

Page 48: ...nsor SV6 Solenoid valve for cooling water X1 Relay FS1 Float switch to control heater SV7 Solenoid valve to take distilled water PS2 Pressure switch FS2 Float switch to control boiler water level MV Solenoid valve to drain boiler water TF Transformer FS3 Float switch for boiler overheat P Pump FS4 Float switch to check water level PIO 5 Operation board FS5 Float switch to check water level PLANAR ...

Page 49: ...r cooling water WL Water leak detector FS1 Float switch to control heater SV7 Solenoid valve to take distilled water X1 Relay FS2 Float switch to control boiler water level MV Solenoid valve to drain boiler water M O SR E L A Y MOS relay board FS3 Float switch for boiler overheat P Pump PS2 Pressure switch FS4 Float switch to check water level PIO 5 Operation board TF Transformer FS5 Float switch ...

Page 50: ...g water Tf2 Transformer FS1 Float switch to control heater SV7 Solenoid valve to take distilled water WL Water leak detector FS2 Float switch to control boiler water level MV Solenoid valve to drain boiler water X1 Relay FS3 Float switch for boiler overheat P Pump M O SR E L A Y MOS relay board FS4 Float switch to check water level PIO 5 Operation board PS2 Pressure switch FS5 Float switch to chec...

Page 51: ...or Water Purifier Auto Still Model WA500 570 710 730 First Edition September 28 2016 Yamato Scientific America Inc 925 Walsh Avenue Santa Clara CA 95050 U S A http www yamato usa com Toll Free 1 800 2 YAMATO 1 800 292 6286 ...

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