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Instruction manual
Water Purifier, Auto Still
WA500/WA570
WA710/WA730
First Edition
●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.
Y Yamato Scientific America Inc．
Santa Clara，CA
This paper has been printed on recycled paper.
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Table of Contents
Troubleshooting
Related Manuals for Yamato WA500
Summary of Contents for Yamato WA500
- Page 1 Instruction manual Water Purifier, Auto Still WA500/WA570 WA710/WA730 First Edition ●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.
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Page 3: Table Of Contents
Identification of Parts ................17 Body (WA710) ......................17 Piping Diagram (WA710/730) ..................18 Piping Diagram (WA500/570) ..................19 Operation System ...................... 20 Operation panel ......................22 Run Menu ....................26 ... -
Page 4: Explanation Of Graphic Indication
Explanation of Graphic Indication Graphic Indication This instruction manual and our products apply various graphic indications for safety use. Ignoring thise indicators or improper handling of the unit can cause such situation as indicated below. Please read and apprehend the following contents. Warning Warning indicates possibility of serious injuries (1) or death. -
Page 5: Emergent Troubleshooting
If any error codes should come up, note the error code and turn the power and the faucet off immediately. Any such troubles require parts exchange or check on the device. Contact the seller or Yamato Scientific’s Technical Service Department and tell the error code. -
Page 6: Warning
Emergent Troubleshooting Warning Do not use this unit in flammable or explosive gas environments. This unit is not explosive proof. Never use this unit in flammable or explosive environments to prevent fire or explosion. Never fail to ground the unit. Be sure to ground the unit correctly, or electric leak could cause shock or fire. -
Page 7: Safety Precaution
Safety Precaution Installation and Preparation for Use Warning Do not Use this unit in flammable or explosive gas environments. This unit is not explosion proof. Never use this unit in flammable or explosive gas environments. Electric arc occurs when you switch the unit “ON” and “OFF”, and can cause a fire or explosion. Select carefully the space to install the unit. - Page 8 Do not remodel this unit. ● Never disjoint this unit to avoid electric shock. ● There are some 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.
- Page 9 Be sure to connect the ground lead to prevent electric shock. ● WA500 type needs 115V. Connect the ground lead securely to the switchboard. ● WA570 or 710 type needs 220V power source with a single-phase. Connect the ground lead securely to the switchboard/220V single-phase outlet.
- Page 10 ● Connect the cable to an adequate switchboard. ● Check the capacity of the switchboard prior to connecting the cable. WA500 and 570/710 needs AC100V and 200Vrespectively. WA730 needs AC200V power source with triple-phase.
- Page 11 Safety Precautions Installation and Preparation for Use Warning Connect securely the water supply hose. ● If you do not connect the joint securely, the water-supply hose or connector would come off, causing water leak or spouting. ● Use the connector and water-supply hose out of accessories for this unit. Install the unit on the level and stable place near a tap and drainage.
- Page 12 Safety Precautions Installation and Preparation for Use Warning Connection to the unit ⑨ (1) Remove the rubber cap from the plug ⑧. (2) Slide the sleeve to the direction the arrow ⑧ shows, and insert securely the socket ⑨ Sleeve into the plug ⑧.
- Page 13 Safety Precautions Installation and Preparation for Use Caution If drainage facility is away from the tap, use the Water Supply Unit, a non-standard accessory. ● The “Water Supply Unit” includes all items from the sleeve to the nipple. Refer to the instruction manual for the “Water Supply Unit”...
- Page 14 ● Do not bend the hose nor make any convex part. ● Arrange the hose lower than the drain of the unit. ● Lead the end of the drain hose to drainage capable of about 2L/min. (In case of WA500/570) or 3L/min. (in case of WA710/730) of cooling water drained.
- Page 15 Safety Precautions Installation and Preparation for Use Warning Check the temperature of drained cooling water. ● The drained water sometimes exceeds 60℃ especially in summer. Do not touch the water carelessly, or you can get scalded. Drain the water away from your work areas. ●...
- Page 16 Safety Precautions Installation and Preparation for Use Warning Connect securely the pre-treatment cartridge. ● Connect securely the inside hose as follows. ● If you do not connect securely, the connected hose would come off, causing water leak. (1) Make sure the earth leakage circuit bleaker or the unit is switched off, and the tap is being fastened.
- Page 17 Safety Precautions Installation and Preparation for Use Warning Connect securely the membrane filter. ● Fit the membrane filter as follows. ● If you do not connect firmly, water could leak from the junction, which could pollute collected pure water. (1) Take two membrane filters and the sealing tape out of accessories for the unit. (2) Open the direction of the water intake ④.
- Page 18 Safety Precautions Installation and Preparation for Use Warning A high-purity cartridge of a non-standard accessory is apparently same as an ion-exchange resin cartridge. Fit in the same procedure. ● Fit the ion-exchange 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.
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Page 19: Caution For Use
If smoke or any strange odor should disburse from this unit for any reasons, turn off immediately both unit and power source breakers, and request the seller or Yamato Scientific to check the unit. Neglecting this procedure can result in fire or electric shock. Never try repairing the unit yourself. It is too dangerous. -
Page 20: Identification Of Parts
Identification of Parts Body (WA710) This drawing identifies parts. There are some different parts used for WA500/570/730 -17-... -
Page 21: Piping Diagram (Wa710/730)
Identification of Parts Piping Diagram (WA710/730) Drainage Water-supply ○ ○ 1 Decompressor 16 Condenser ○ ○ 2 Power switch 17 Electrode for distilled water examiner ○ ○ 3 Solenoid valve for cooling water 18 Solenoid valve to drain the initial distilled water ○... -
Page 22: Piping Diagram (Wa500/570)
Identification of Parts Piping Diagram (WA500/570) Drainage Water-supply ○ ○ 1 Decompression valve 16 Condenser ○ ○ 2 pressure switch 17 Electrode to check quality of distilled water ○ ○ 3 Solenoid valve for cooling water 18 Solenoid valve to drain initial distilled water ○... -
Page 23: Operation System
Identification of Parts Operation System (1) Supply and distillation of boiler water Drainage Water-supply ○ ○ ● Water is supplied from the water intake, through 1 decompressor, 5 solenoid valve for water ○ ○ ○ supply, 6 pre-treatment cartridge into 7 float receptacle and 13 boiler. - Page 24 Identification of Parts Operation System (3) Collection of distilled water Drainage Water-supply ○ ○ ○ ● Distilled water condensed in 16 condenser is stored into 19 distilled water tank through electrode for distilled water. The unit judges water full and stops distillation when the highest float ○...
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Page 25: Operation Panel
Identification of Parts Operation panel ⑤ ⑯ ⑥ ① ③ POWER WATER QUALITY ④ ⑮ SELECT ION EXCHANGED WATER DISTILLED WATER ⑧ ⑦ TROUBLE STAND BY ② DRAIN ENTER DISTILLED WATER (l) CON. ⑩ ⑫ ⑳ ⑨ ⑱ ⑲ ⑬ ⑰... - Page 26 Identification of Parts Operation Panel ① Power Switch… POWER This is the switch for power supply. The STAND-BY lamp is lit when the power cable is connected and the earth leakage circuit breaker is on. When you push the switch in this situation, power becomes “ON”.
- Page 27 Identification of Parts Operation panel ⑦ Trouble Indication lamp… TROUBLE The lamp blinks when detects abnormality in operation or trouble of the unit. The indicator (1) identifies such a situation. ⑧ Distilled Water Level indicator… The indication lamps show 5 levels of the distilled water in the tank. When the water storage is less than 8L, the lowest yellow lamp is lit.
- Page 28 Identification of Parts Operation panel ⑭ Lamp to indicate collection of distilled water… The green lamp is lit during collection of distilled water. ⑮ Unit of volume to collect… When the indicator (2) shows the volume to take, the unit of (L) is displayed. In other case the indicator shows the total flow, the unit of ×10L is displayed.
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Page 29: Run Menu
Run Menu Preparation and Check before Use Caution 1. Check water supply. Check if the water-supply hose is securely 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. -
Page 30: Run Menu
Run Menu Run menu Run menu as follows when you are ready for operation. 1. Power-on ① Switch ON the earth leakage circuit bleaker. ② Push the POWER key. Operation panel display in about 15 seconds after you POWER WATER QUALITY push the power key unit the distillation starts. -
Page 31: Repeated Collection Of Pure Water
Run Menu Repeated Collection of Pure Water Repeated collection of ion-exchanged water Push once the ION EXCHANGED WATER switch while the CON. lamp, identifying the water collection method, is lit but the yellow (no water) lamp, a distilled water level indicator, is not lit. -
Page 32: Collection Of The Fixed Volume Of Ion Exchanged Water
Run Menu Collection of The Fixed Volume of Ion Exchanged Water 1. Push the switch to change the method to collect water. Then the CON. lamp goes out. Among the operation panel indicators ; ● The con. lamp, a collection method indicator, goes out. -
Page 33: Collection Of The Fixed Volume Of Distilled Water
Run Menu Collection of The Fixed Volume of Distilled Water 1. Push the switch to change the collection method and put out the CON. lamp. Among the operation panel indicators ; ● The CON. lamp, the collection method indicator, goes out. -
Page 34: Indication Of Water Quality
Run Menu Indication of Water Quality Selection of either electrode for ion-exchanged or distilled water Each one push on SELECT switch selects alternatively the electrode of either water quality examiner to be measured. Among the operation panel indicators ; ● Either ION EXCGANGED WATER and DISTILLED WATER QUALITY WATER is lit alternatively by each push to identify one electrode measured.. - Page 35 Run Menu Indication of Water Quality Electric conductivity ● Electric conductivity shows how much electricity can pass. As water contains more electrolyte or impurity, more electricity can pass through and the value of conductivity gets larger. On the contrary, the value gets smaller as water contains less electrolyte. ●...
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Page 36: Display Of Total Flow/Resetting
Run Menu Display of Total Flow/Resetting Check the total flow to know the time to exchange ion-exchange resin. 1. Each one push on the FUNCTION key changes display of indicator (2). Among operation panel indicators, the indicator (2) changes indications as follows. TROUBLE Repeated collection STAND BY... -
Page 37: Safety Devices And Error Codes
Indicated with the water level in abnormal and any other controllers cock closed, contact is lit float water level become off. the seller or Yamato receptacle Sientific’s Technical Service Department. Trouble of the Contact the seller or Detecting Heaters solenoid valves float switch Yamato Scientific’s... -
Page 38: Trouble Displays Other Than Error Codes/Details
Distilled water The indicator Detecting deteriorates lower Contact the seller or repeatedly alarms abnormal then the standard. Yamato Scientific’s . However, water (When the value Technical Service operation continues quality reaches 10×10 Department. as usual. Or more.) -
Page 39: Troubleshooting
Safety Device and Error Codes Troubleshooting Troubleshooting when is lit to indicate water leak. (1) After the defect is repaired, dry 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. -
Page 40: Maintenance
Maintenance Check and maintenance Time for periodical check and maintenance (Check periodically the unit to use in stable condition.) Item to check and maintain Period Note Durability: About 5000L in case of using water service Each 2 or 3 Exchange of pre-treatment cartridge in Tokyo (with quality of 200×10-4S/m) Months You need earlier exchange of the cartridge... -
Page 41: Cleaning Still
Maintenance Cleaning Still Removal and setting the still (1) Turn “OFF” the circuit bleaker. (2) Close the faucet. (3) Make sure if the boiler cools down enough (about 30 min. later) after the breaker is turned “OFF”. Open the left door of this unit and the cock to drain boiler water. (4) Remove both hose connected to the ①... - Page 42 (2) Dilute “Organozol 10”, an accessory for this unit with hot water. Type Hot water (L) Amount of Organozol (g) WA500/570 WA710/730 Cleaning method ● Clean the boiler and heaters earlier. As more scale attaches, it becomes more difficult to remove those scales which can reduce collection of distilled water or damage the heater.
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Page 43: Clean Water Supply Hose Filter
Maintenance Clean Water Supply Hose Filter (1) Close the faucet and remove the water supply ④Soacer ①Ring hose after turning off the unit bleaker. (2) Turn ② plug to remove from ① ring. ⑤Screw (3) Clean ⑦ filter in the plug by tap water. ②Plug (4) Push the filter by flat end of a pencil from the ⑥Packing... -
Page 44: When You Do Not Use The Unit For A Long Time
Maintenance When you do not use the unit for a long time If you do not use the unit for a long time, turn off the unit bleaker for safety and close the faucet. Water in the boiler and the distilled water tank deteriorates its quality. -
Page 45: After-Sales Service And Warranty
After-sales Service and Warranty When you request repair Warranty (attachment) ● The seller or Yamato Scientific’s fives you the If any troubles should occur, note the error code, stop the operation immediately. Turn the warranty. Keep your warranty card for future power switch off, pull the power cable out references. -
Page 46: Specifications
Specifications Type WA500 WA570 WA710 WA730 Distillation ⇒ ion exchange ⇒ Filtration Collection method Pure water to collect Distilled / Ion exchanged water Volume of distilled water to produce About 5L/h About 5L/h About 10L/h About 10L/h Water flow to collect 1 L/min. -
Page 47: Wiring Diagram
Wiring Diagram WA500 Symbol Name of Parts Symbol Name of Parts Symbol Part of name Bim-SW Overheat detector (Bimetal system) Solenoid valve to supply boiler water SSR4 SSR board Electrode for ion-exchanged water Solenoid valve for cleaning Terminal Electrode for distilled water... -
Page 48: Wa570
Wiring Diagram WA570 Symbol Name of Parts Symbol Name of Parts Symbol Part of name Bim-SW Overheat detector (Bimetal system) Solenoid valve to supply boiler water Terminal Electrode for ion-exchanged water Solenoid valve for cleaning Transformer Electrode for distilled water Solenoid valve to drain initial distilled water Transformer Earth leakage circuit breaker... -
Page 49: Wa710
Wiring Diagram WA710 Symbol Name of Parts Symbol Name of Parts Symbol Part of name Bim-SW Overheat detector (Bimetal system) Solenoid valve to supply boiler water Terminal Electrode for ion-exchanged water Solenoid valve for cleaning Terminal Electrode for distilled water Solenoid valve to drain initial distilled water Transformer Earth leakage circuit breaker... -
Page 50: Wa730
Wiring Diagram WA730 Symbol Name of Parts Symbol Name of Parts Symbol Part of name Bim-SW Overheat detector (Bimetal system) Solenoid valve to supply boiler water SSR4 SSR board Electrode for ion-exchanged water Solenoid valve for cleaning Terminal Electrode for distilled water Solenoid valve to drain initial distilled water Terminal Earth leakage circuit breaker... - Page 51 Instruction Manual for 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)