Yamato WS 200 User manual

Water Purifier, Auto Still
Model
WS 200/220
Instruction Manual
- First Edition -
Yamato Scientific Co. LTD.
zThank you for purchasing " Auto Still, WS
Series" of Yamato Scientific Co., Ltd.
zTo use this unit properly, read this "Instruction
Manual" thoroughly before using this unit.
Keep this instruction manual around this unit
for referring at anytime.
WARNING!:
Carefully read and thoroughly understand the
important warning items described in this
manual before using this unit.

Contents
Cautions in Using with Safety................................................................1
•Explanation....................................................................................................................1
•Table of Illustrated Symbols ..........................................................................................2
•Fundamental Matters of “WARNING!” and “CAUTION!”...............................................3
Before Using this unit.............................................................................4
•Requirements for Installation.........................................................................................4
Description and Function of Each Part.................................................7
•Main Unit.......................................................................................................................7
•Control Panel.................................................................................................................9
•Piping System View.....................................................................................................10
Installation/Operation Method..............................................................11
•Connecting the Water Supply Hose ............................................................................ 11
•Connecting the Drain Hose......................................................................................... 12
•Operation Preparation.................................................................................................12
•Operation Method........................................................................................................12
Handling Precautions ...........................................................................13
Maintenance Method.............................................................................15
•Daily Inspection and Maintenance ..............................................................................15
•Washing Distiller..........................................................................................................16
•Washing Method .........................................................................................................18
•Replacement of Hose..................................................................................................19
•Replacement of Heater ...............................................................................................20
Long storage and disposal...................................................................21
•When not using this unit for long term / When disposing............................................21
In the Event of Failure….......................................................................22
After Service and Warranty ..................................................................23
Specification..........................................................................................24
Wiring Diagram......................................................................................25
Replacement Parts Table......................................................................26
Reference...............................................................................................27
•List of Dangerous Substances ....................................................................................27

1
Cautions in Using with Safety
Explanation
MEANING OF ILLUSTRATED SYMBOLS
Various symbols are used in this safety manual in order to use the unit without
danger of injury and damage of the unit. A list of problems caused by ignoring
the warnings and improper handling is divided as shown below.Be sure that you
understand the warnings and cautions in this manual before operating the unit.
WARNING! If the warning is ignored, there is the danger of a problem that
may cause a serious accident or even fatality.
CAUTION! If the caution is ignored, there is the danger of a problem that may
cause injury/damage to property or the unit itself.
Meaning of Symbols
This symbol indicates items that urge the warning (including the caution).
A detailed warning message is shown adjacent to the symbol.
This symbol indicates items that are strictly prohibited.
A detailed message is shown adjacent to the symbol with specific actions not to
perform.
This symbol indicates items that should be always performed.
A detailed message with instructions is shown adjacent to the symbol.
Illustrated Symbols

2
Cautions in Using with Safety
Table of Illustrated Symbols
Warning
Warning,
generally Warning, high voltage Warning, high temperature Warning, drive train Warning, explosive
Caution
Caution,
generally Caution, electrical shock Caution, scald Caution, no road heating Caution, not to drench
Caution,
water only Caution, deadly poison
Prohibit
Prohibit,
generally Prohibit, inflammable Prohibit, to disassemble Prohibit, to touch
Compulsion
Compulsion,
generally Compulsion, connect to the
grounding
terminal
Compulsion,
install on a flat
surface
Compulsion,
disconnect the
power plug
Compulsion,
periodical
inspection

3
Cautions in Using with Safety
Fundamental Matters of “WARNING!” and “CAUTION!”
WARNING!
Do not use this unit in an area where there is flammable or explosive gas
Never use this unit in an area where there is flammable or explosive gas.
This unit is not explosion-proof. An arc may be generated when the power switch is turned on or off,
and fire/explosion may result. (Refer to page27 “List of Dangerous Substances”.)
Always ground this unit
Always ground this unit on the power equipment side in order to avoid electrical shock due to a power
surge.
If a problem occurs
If smoke or strange odor should come out of this unit for some reason, turn off the power key right
away, and then turn off the circuit breaker and the main power. Immediately contact a service
technician for inspection. If this procedure is not followed, fire or electrical shock may result. Never
perform repair work yourself, since it is dangerous and not recommended.
Do not use the power cord if it is bundled or tangled
Do not use the power cord if it is bundled or tangled. If it is used in this manner, it can overheat and
fire may be caused.
Do not process, bend, wring, or stretch the power cord forcibly
Do not process, bend, wring, or stretch the power cord forcibly. Fire or electrical shock may result.
Substances that can not be used
Never use explosive substances, flammable substances and substances that include explosive or
flammable ingredients in this unit. Explosion or fire may occur.
Do not disassemble or modify this unit
Do not disassemble or modify this unit. Fire or electrical shock or failure may be caused.
CAUTION!
During a thunder storm
During a thunderstorm, turn off the power key immediately, then turn off the circuit breaker and the main
power. If this procedure is not followed, fire or electrical shock may be caused.

4
Before Using this unit
Requirements for Installation
WARNING!
1. Always ground this unit
•Connect the power plug to a receptacle with grounding connectors.
•Do not forget to ground this unit, to protect you and the unit from electrical shock in case of
power surge. Choose a receptacle with grounding connectors as often as possible.
•Do not connect the grounding wire to a gas pipe, or by means of a lightning rod or telephone
line. A fire or electrical shock will occur.
2. Choose a proper place for installation
•Do not install this unit in a place where:
♦Rough or dirty surface.
♦Flammable gas or corrosive gas is generated.
♦Ambient temperature exceeds 35°C.
♦Ambient temperature fluctuates violently.
♦There is direct sunlight.
♦There is excessive humidity and dust.
♦There is a constant vibration.
•Install this unit on a stable place with the space as shown below. This unit should be installed
horizontally by using adjusters on the four corners.
Main Unit
More than
20cm
More than
20cm
More than 20cm
Front side

5
Before Using this unit
Requirements for Installation
3. Do not use this unit in an area where there is flammable or explosive gas
•Never use this unit in an area where there is
flammable or explosive gas. This unit is not
explosion-proof. An arc may be generated
when the power switch is turned ON or OFF,
and fire/explosion may result. (To know about
flammable or explosive gas, refer to page27
“List of Dangerous Substances”.)
4. Do not modify
•Modification of this unit is strictly prohibited.
This could cause a failure.
5. Installation on horizontal surface
•Set this unit to the flattest place. Not setting
this unit with its 4 legs covered with rubber
contacted to the setting place surface evenly
could cause the vibration or noise, or cause
the unexpectible trouble or malfunction.

6
Before Using this unit
Requirements for Installation
CAUTION!
6. Choose a correct power distribution board or receptacle
•Choose a correct power distribution board or receptacle that meets the unit’s rated electric
capacity.
Electric capacity: WS200: AC100 V, 15A
WS220: AC100 V, 15A
NOTE)
There could be the case that the unit does not run even after turning ON the power. Inspect
whether the voltage of the main power is lowered than the specified value, or whether other
device(s) uses the same power line of this unit. If the phenomena might be found, change the
power line of this unit to the other power line.
7. Before/after installing
•It may cause injure to a person if this unit falls down or moves by the earthquake and the
impact. etc..To prevent, take measures that the unit cannot fall down, and not install to busy
place.
8. Handling of power code
•Do not entangle the power cord. This will cause overheating and possibly a fire.
•Do not bend or twist the power cord, or apply excessive tension to it. This may cause a fire
and electrical shock.
•Do not lay the power cord under a desk or chair, and do not allow it to be pinched in order to
prevent it from being damaged and to avoid a fire or electrical shock.
•Keep the power cord away from any heating equipment such as a room heater. The cord's
insulation may melt and cause a fire or electrical shock.
•If the power cord becomes damaged (wiring exposed, breakage, etc.), immediately turn off the
power at the rear of this unit and shut off the main supply power. Then contact your nearest
dealer for replacement of the power cord. Leaving it may cause a fire or electrical shock.
•Connect the power plug to the outlet which is supplied appropriate power and voltage.