Hoshizaki ROX-10WB3-EW User manual

L2X002111 (070116)
WATER ELECTROLYZER
INSTALLATION MANUAL
3-16 Minamiyakata, Sakae, Toyoake, Aichi 470-1194 Japan
FOR QUALIFIED INSTALLER ONLY
ROX-10WB3-EW
ROX-20TB2-EW

i
IMPORTANT
Only qualied service technicians should attempt to install, service or maintain
this product. No installation, service or maintenance should be undertaken
until the technician has thoroughly read this Installation Manual. Likewise, the
owner/manager should not proceed to operate the product until the installer has
instructed them on its proper operation.
HOSHIZAKI provides this manual primarily to assist qualied service technicians in the
installation, maintenance and service of the product.
Connection of the water supply to the HOSHIZAKI water electrolyzer shall be undertaken
in accordance with AS/NZS 3500.1.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please contact:
e-Water Systems Pty Ltd
Phone: 1300 EWATER
Fax: [phone]
Note: To expedite assistance, all correspondence/communication MUST include the
following information:
* Model Number
* Serial Number
* Complete and detailed explanation of the problem

ii
* Please review this manual. It should be read carefully before the water electrolyzer is
installed and operated. Only qualified service technicians should install, service and
maintain the water electrolyzer. This manual should be made available to the technician
prior to installation, maintenance or service.
* Keep this manual with the water electrolyzer for later reference.
 CONTENTS PAGE
I. INSTALLATION OF ROX-10WB3-EW ------------------------------------------------------------1
1. UNPACKING -----------------------------------------------------------------------------------------2
2. CHECKS BEFORE INSTALLATION -----------------------------------------------------------2
3. INSTALLATION -------------------------------------------------------------------------------------2
[a] REQUIRED TOOLS ---------------------------------------------------------------------------3
[b] SET UP -------------------------------------------------------------------------------------------4
4. ELECTRICAL CONNECTIONS -----------------------------------------------------------------5
5. WATER SUPPLY AND DRAIN CONNECTIONS -------------------------------------------5
[a] WATER SUPPLY CONNECTIONS --------------------------------------------------------6
[b] REMOTE PIPE CONNECTIONS ----------------------------------------------------------7
[c] DRAIN CONNECTIONS ----------------------------------------------------------------------8
6. VENTILATION ---------------------------------------------------------------------------------------8
7. TRIAL RUN -------------------------------------------------------------------------------------------9
[a] WATER LEAKS ---------------------------------------------------------------------------------9
[b] AFTER TRIAL RUN ----------------------------------------------------------------------------9
8. ADJUSTMENT ------------------------------------------------------------------------------------ 10
II. INSTALLATION OF ROX-20TB2-EW ---------------------------------------------------------- 12
1. CHECKS BEFORE INSTALLATION --------------------------------------------------------- 12
2. LOCATION ----------------------------------------------------------------------------------------- 12
3. ELECTRICAL CONNECTION ----------------------------------------------------------------- 13
4. INSTALLATION OF WATER SOFTENER (SOLD SEPARATELY) AND
WATER FILTER (SOLD SEPARATELY) ---------------------------------------------------- 14
[a] CHECKS BEFORE INSTALLATION ----------------------------------------------------- 14
[b] LOCATION ------------------------------------------------------------------------------------- 14
[c] SET UP ----------------------------------------------------------------------------------------- 14
[d] ELECTRICAL CONNECTION ------------------------------------------------------------- 14
[e] WATER SUPPLY AND PLUMBING CONNECTIONS------------------------------- 15
5. INSTALLATION OF REMOTE CONTROLLER (ACCESSORY) ---------------------- 15
[a] CHECKS BEFORE INSTALLATION ----------------------------------------------------- 15
[b] LOCATION ------------------------------------------------------------------------------------- 16
[c] SET UP ----------------------------------------------------------------------------------------- 16
[d] ELECTRICAL CONNECTION ------------------------------------------------------------- 18
6. INSTALLATION OF WATER TANK FLOAT SWITCHES (OPTION) AND
WATER TANK (SOLD SEPARATELY) ------------------------------------------------------ 18
[a] CHECKS BEFORE INSTALLATION ----------------------------------------------------- 18

iii
[b] LOCATION ------------------------------------------------------------------------------------- 19
[c] SET UP ----------------------------------------------------------------------------------------- 20
[d] ELECTRICAL CONNECTION ------------------------------------------------------------- 20
7. INSTALLATION OF OUTLET VALVES (OPTION) --------------------------------------- 21
[a] CHECKS BEFORE INSTALLATION ----------------------------------------------------- 21
[b] LOCATION ------------------------------------------------------------------------------------- 22
[c] SET UP ----------------------------------------------------------------------------------------- 22
8. WATER SUPPLY AND PLUMBING CONNECTIONS ----------------------------------- 23
[a] UNIT WITH REMOTE CONTROLLER, WATER SOFTENER &
WATER FILTER ------------------------------------------------------------------------------ 23
[b] UNIT WITH WATER TANK, WATER SOFTENER & WATER FILTER ---------- 26
9. ADJUSTMENT ------------------------------------------------------------------------------------ 30
[a] OPERATION MODE ------------------------------------------------------------------------- 30
[b] CURRENT, VOLTAGE, PORTION CONTROL DISPENSING TIME,
HANDWASHING TIME (ROX-20TB2-EW) -------------------------------------------- 31
10. FINAL CHECK LIST ----------------------------------------------------------------------------- 33
11. WATER TANK FLOAT SWITCHES (OPTION) -------------------------------------------- 34
12. OUTLET VALVES (OPTION) ------------------------------------------------------------------ 34

1
In the context of this manual, the term "sanitizing water" refers to acidic water and
"cleaning water" refers to alkaline water.
I. INSTALLATION OF ROX-10WB3-EW
WARNING
1. To prevent a possible water leak, electric shock or re, the installation must
be carried out by qualied personnel.
2. Ensure adequate ventilation. Hydrogen or chlorine gas generated from
electrolyzed water may cause health problems.
3. Electrolyzed water is not intended for drinking. Any usage other than
handwashing or utensil washing may lead to health problems.
4. This unit requires a ground that meets the national and local electrical
code requirements. Do not connect the ground wire to a gas or water main,
lightning rod or telephone ground wire. Improper grounding may cause
electric shock.
5. This unit is not intended for outdoor use or installation under eaves. Exposure
to rainwater may cause an electric leak or shock.
6. Do not install the unit where exposed to humidity or water splashes.
Degradation of insulation may cause an electric leak or shock.
CAUTION
1. To maintain the optimum performance, this unit requires daily maintenance
and periodic inspection. The operation and maintenance of the unit should be
limited to an exclusive operator. This is also to prevent possible misuse and
resulting failure.
2. Install the unit horizontally on a solid vertical wall to avoid the risk of water
leaks or injury caused by overturn or fall.
3. This unit is not suitable for installation in an area where dripping of water or
salt is not allowed. Water may drip onto the oor when salt water is added to
the salt water tank.
4. Avoid direct sunlight and ensure adequate ventilation. Ultraviolet rays will
deteriorate sanitizing water.

2
1. UNPACKING
CAUTION
1. To prevent injury, do not lift or maneuver the carton by using the shipping
bands.
2. Carry the carton by holding the bottom. Careless handling may cause injury.
1) Remove the shipping tape from the carton.
2) Open the top of the carton, and remove the covered unit.
3) Take out the package of accessories from the carton.
4) Remove the plastic cover from the unit, the vinyl tape securing the power cord, salt
water hose and front cover, and the plastic cover from the water inlet, cleaning water
outlet and sanitizing water outlet.
* Do not remove the labels. If any of them comes off, purchase it from an authorized
Hoshizaki service company, and attach it in a correct position.
2. CHECKS BEFORE INSTALLATION
1) Check the exterior and interior parts for damage or defects.
2) Check for missing or damaged accessories according to “I. 3. ACCESSORIES” in the
instruction manual.
* If any part is found missing or damaged, contact an authorized Hoshizaki service
company.
* The instruction manual must be handed over to the user.
3. INSTALLATION
WARNING
1. To prevent a possible water leak, electric shock or re, the installation must
be carried out by qualied personnel according to this installation manual.
After installation is complete, make a trial run to ensure proper operation. The
user must be instructed on how to use and maintain the unit in accordance
with the instruction manual.
2. This unit is not intended for outdoor use. Exposure to rainwater may cause
an electric leak or shock.

3
3. Do not install the unit where exposed to humidity or water splashes.
Degradation of insulation may cause an electric leak or shock.
4. Do not use heat producing equipment in contact with or near the unit. The
plastic parts may melt.
CAUTION
1. By using the anchor bolts (accessory), install the unit horizontally on a solid
vertical wall to avoid the risk of water leaks or injury caused by overturn or
fall.
2. Do not install the unit where subfreezing temperatures are expected. If the
ambient temperature can fall below zero, drain the unit to prevent water leaks
caused by damage to the piping.
3. Do not put heavy things or water containing vessels on the unit. They could
fall off and cause injury, or spilt water may degrade the electrical insulation
and increase the risk of electric leaks.
4. This unit is not suitable for installation in an area where dripping is not
allowed. Condensate water may drip onto the oor in a humid condition.
5. Do not place any precision instruments between the unit and ventilator.
Chlorine gas may cause corrosion or failure.
6. To prevent an electric leak or shock, do not install the unit on a wall exposed
to water or steam.
* Normal operating ambient temperature should be within 5°C to 30°C (40°F to 95°F),
and water temperature within 5°C to 35°C (40°F to 85°F). Operation outside of this
temperature range may result in inadequate performance or improper operation.
[a] REQUIRED TOOLS
Phillips screwdrivers (large and small)
Precision screwdrivers (Phillips and at blade)
Sealing tape
Pipe wrench pliers
Monkey wrench
Drill (for wall)
Drill bits [6 mm (1/4”) DIA]
Voltage/current tester
pH tester
Chlorine test paper or thiosulfate titration kit

4
[b] SET UP
(1) Horizontal Adjustment
Level the unit in both the left-to-right and front-to-
rear directions.
(2) Spacing
Allow the following clearance around the unit for
proper operation and ease of maintenance and/or
service.
(3) Wall Mounting
1) Drive the anchor bolt [MiL-8] (accessory) into
the wall, and attach the screw collar (accessory)
and wood screw (accessory). The hole must
be 6 mm (1/4”) in diameter and at least 28 mm
(1”) deep.
The mounting pitch must be as shown below.
2) Set up the unit on the screw collar, and use the
wood screws (accessory) to secure the unit on the
wall [with a 250 mm (10”) pitch].
Screw Collar
Wood Screw
Anchor Bolt
328mm (13”)
250mm (10”)
Fix with Wood Screws provided
Min 50mm (2”)
Min 150mm (6”)
Min 150mm (6”)
Min 150mm (6”)
Max 5mm (1/5”) Max 5mm (1/5”)

5
4. ELECTRICAL CONNECTIONS
WARNING
1. This water electrolyzer must have a separate power supply or receptacle of
proper capacity. Branching off the power cord, using an extension cord or
sharing a single power supply with other appliances may result in an electric
shock, heat generation or re.
2. The water electrolyzer requires a ground that meets the national and
local electrical code requirements. To prevent possible electrical shock to
individuals or extensive damage to equipment, plug the electrolyzer only into
a properly grounded electrical outlet.
CAUTION
The maximum allowable voltage variation should not exceed ±10 percent of the
rated voltage. Operation of the unit outside of this range may cause damage to
the unit or reduction of the performance.
* Usually an electrical permit and services of a licensed electrician are required.
5. WATER SUPPLY AND DRAIN CONNECTIONS
CAUTION
1. Install the pressure regulating valve provided to maintain the water supply
pressure within 0.1 - 0.6 MPa (100 - 600 kPa). Operation without the valve or
any pressure exceeding this limit may cause failure, inadequate water quality
or water leaks, resulting in damage to surrounding properties.
2. Install a water softener and cartridge lter to prevent clogged pipes, reduction
in electrolytic capacity, and electrolytic cell failure.
* Always locate the salt water tank below the end of the water outlets, or the tank will leak
salt water by siphonage.
* Use of potable water containing a large amount of carbon dioxide can cause reduction in
electrolyzed capacity and production of cleaning and sanitizing water with improper pH
levels. In such case, contact an authorized Hoshizaki service company.
* Water left inside the water softener may be stained light yellow when discharged, which
is not harmful to the health. In such case, open the gauge cock of the water softener to
completely drain out stained water.

6
[a] WATER SUPPLY CONNECTIONS
CAUTION
Use potable water only. Use of non-potable water may cause corrosion, clogged
pipes, or poor performance.
* The water supply pipe must be a flexible tube, PVC pipe, PVC lined steel pipe or
equivalent, which is recognized by the local waterworks bureau.
* Before making connections, clean the pipes thoroughly to remove any chips, cutting oil
and foreign matter attached inside. They may clog the dual check valve (accessory),
pressure reducing valve (accessory) or water valve inside the unit.
1) Install the water softener (option) in the primary side (water inlet) of the water supply
line.
2) Install the cartridge filter (water softener accessory) between the water softener and
unit.
Example
Note: Make sure to attach the WaterMark certified dual check valve (accessory) and
pressure reducing valve (accessory).
Water Electrolyzer Sink
Outlet
Ends
Max 1500mm
(60”)
Salt Water Tank
(accessory)
Drain
Valve Water Supply
Pipe (13A)
Water Supply
(13A)
Pressure
Gauge
Shut-off Valve
Water Softener
Water Softener Set
Cartridge Filter
Water Supply Hose
(accessory)
Pressure Reducing
Valve (accessory)
Dual Check
Valve (accessory)

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3) Install the pressure gauges in the locations as shown below.
Cartridge Filter
Pressure
Gauge (unit)
Pressure Gauge
(water supply)
Pressure Reducing Valve
Water Supply
Water Softener
* The pressure reducing valve (accessory) must be installed in
the proper direction between the pressure gauge (unit side)
and the water inlet on the unit.
* To prevent water leaks, attach the gaskets (black) properly
between the water supply hose (accessory) and water inlet
on the unit and between the hose and dual check valve
(accessory), and securely tighten the joints.
* The branch outlet (option) must be
installed for branching the main water
line to the unit.
* The water supply line shut-off valve
(option) must be installed between the
branch outlet and water inlet on the unit.
* Before installing the branch outlet,
check for foreign matter and remove it if
any.
* Use a sealant, sealing tape or gasket to make watertight joints. Do not use a sealant that
may clog pipes or give odor to water.
[b] REMOTE PIPE CONNECTIONS
CAUTION
The pipes for dispensing electrolyzed water must be the remote pipes (accessory)
or PVC hoses. Other materials may cause corrosion resulting in water leaks.
* The pipe ends must be left open to prevent failure. Do not install shut-off valves at the
ends or on the way to the ends, nor immerse the pipe ends in water.
* To ensure adequate water ow, do not stand up the pipes.
Pressure Reducing
Valve (accessory)
Dual Check Valve
(accessory)
OUT
IN
Gasket
Water Supply Hose
Dual Check
Valve
PVC
Nipple
Gasket

8
* Check that the O-rings (accessory) are provided inside, and tightly secure the remote
pipes (accessory) to the bottom of the unit. Loose connections may result in water leaks.
[c] DRAIN CONNECTIONS
* Make drain connections, if the unit needs to be drained.
* Drain connections are required in cold regions where water may freeze inside the unit.
CAUTION
1. The drain pipe must be a PVC pipe or acid and alkali resistant hose. Other
materials may cause corrosion resulting in water leaks.
2. To prevent corrosion of the unit and surrounding equipment, do not drain
directly onto the oor.
3. To avoid corrosion of the drain pipe and water leaks, always neutralize
electrolyzed water before draining it out.
6. VENTILATION
WARNING
Ensure adequate ventilation. Hydrogen or chlorine gas generated from
electrolyzed water may cause health problems.
* Ventilate the installation site at an airow of 450 m3/h (270 ft3/min) or more to meet the
environmental standards requiring a chlorine concentration of 0.1 ppm or less.
Use a ventilation fan, if necessary, of at least 15 cm (1/2 foot) in diameter [standard
airflow 450 m3/h (270 ft3/min)] and made of a non-corrosive or corrosion-resistant
material.
* Do not locate the exhaust duct near a gas pipe or corrosive materials.
* Locate the ventilation fan as close as possible to the point of use of electrolyzed water.
* Do not exhaust in the presence of re.

9
7. TRIAL RUN
WARNING
1. Do not splash water directly onto the unit. It may cause short circuits, electric
shocks, corrosion or failure.
2. To prevent an electric shock, do not touch the attachment plug, power switch,
or other electrical parts with damp hands.
3. This unit should be disassembled or repaired only by qualified service
personnel to prevent the risk of injuries, electric shocks or res.
4. Do not make any alterations on the unit. It could cause water leaks, electric
shock or re.
Check for proper operation in accordance with “III. 1. START UP” in the instruction manual.
* Check the dispensed water according to “IV. MAINTENANCE” in the instruction manual.
* See “I. 2. CONSTRUCTION” in the instruction manual for how to indicate the electrolytic
cell running time, current and voltage.
* If the pH value or available chlorine concentration is found outside the specied range,
adjust it in accordance with “8. ADJUSTMENT”. If it still stays outside the range, contact
an authorized Hoshizaki service company.
* If a problem is found with operation of the unit, contact an authorized Hoshizaki service
company.
* In the initial setting of the water softener, regeneration is required to flush the ion
exchange resin. Electrolyzed water may be colored.
[a] WATER LEAKS
1) While the unit is running, visually check every part for water leaks.
2) Check the water supply and drain circuits for water leaks.
* If a leak is found, repair it in accordance with “5. WATER SUPPLY AND DRAIN
CONNECTIONS”. If the leak still exists, contact an authorized Hoshizaki service
company.
[b] AFTER TRIAL RUN
1) Turn off the power switch.

10
2) Close the water supply line shut-off valve.
3) Open the drain valve to drain the water supply line (see “5. WATER SUPPLY AND
DRAIN CONNECTIONS”).
4) Clean the strainer of the pressure reducing valve (accessory) to remove dust or dirt
inside. Remove the cap by turning it counterclockwise.
8. ADJUSTMENT
Some changes in pH value and available chlorine concentration will be available by
changing the electrolytic current (factory adjusted to 10A). This change should be made by
qualied service personnel only when the pH value or available chlorine concentration is
outside the specied range.
The dispensing amount in the portion control dispensing mode is also adjustable by
changing the portion control dispensing time.
* When adjustment is required, contact an authorized Hoshizaki service company.
* If the water softener needs adjustment, contact its manufacturer or an authorized
Hoshizaki service company (see the instruction manual provided with the water softener).
1) Turn on the power switch.
2) For current adjustment only, press the ow rate button to illuminate the selected ow
rate lamp (LO, MID or HI).
3) Hold down the set button.
4) Check that the display window is showing ”Nor”. “Nor” indicates that the unit is currently
in the normal mode.
5) Press the display select button once while holding down the set button.
6) Check that the display window is showing “AdJ”. “AdJ” indicates that the unit is
currently in the adjust mode.
7) Release the set button.
8) Check that the display window is showing ”A1“. “A1” indicates that the unit is in stage 1
of the adjust mode. Press the display select button to select the appropriate stage.
A1: Current
A5: Portion control dispensing time
9) If the display select button is pushed more than necessary and the display window
shows a code other than desired, continue to push the display select button until the
proper code reappears.

11
10) Press the * button once.
11) The display window will ash the current setting. The factory settings are as follows:
Current: “10.0” (10A)
Portion control dispensing time: “1” (1 minute)
12) Press the display select button (up) or * button (down) until the desired value is
displayed. The display window continues to ash.
To raise the pH and available chlorine concentration, increase the current. To lower the
pH and concentration, decrease the current.
13) When the desired value appears in the display window, press the set button once.
14) The value displayed in the display window will stop flashing. Check that the adjust
mode code appears in the display window.
15) Press the display select button once holding down the set button.
16) Check that “CHE” is displayed in the display window. “CHE” indicates that the unit is in
the check mode.
17) Press the display select button one more time holding down the set button.
18) Check that “Nor” is displayed in the display window.
19) Release the set button.
20) This is the end of setting. Check for proper operation.

12
II. INSTALLATION OF ROX-20TB2-EW
1. CHECKS BEFORE INSTALLATION
IMPORTANT
1. Remove shipping carton and tape(s). If packaging material is left in the water
electrolyzer, it will not work properly.
2. Use potable water. If water other than potable water is used, it may clog
pipes, cause poor performance, etc.
3. Purchase the water tank oat switch (option).
4. Install a water softener and water filter (sold separately) on the water
electrolyzer to improve machine performance and prevent electrolytic cell
damage, etc.
1) Be sure not to damage the panels when installing the water electrolyzer.
2) Remove the package containing the accessories.
3) See the nameplate on the rear panel and check that the voltage supplied corresponds
with the voltage specied on the nameplate.
2. LOCATION
WARNING
1. This water electrolyzer is not intended for outdoor use. Normal operating
ambient temperature should be within 5°C to 35°C (40°F to 95°F); Normal
operating water temperature should be within 5°C to 0°C (40°F to 85°F).
Operation of the water electrolyzer for extended periods outside of these
normal temperature ranges may affect performance.
2. Do not install the unit where exposed to humidity or splashing water.
Reduction in insulation property may cause an electric leak or shock.
Locations should be at least 15 cm (6”) above the oor to avoid splashing
water during kitchen cleaning operations.
3. Install adequate ventilating system. Hydrogen gas or chlorine gas may cause
health problems.

13
CAUTION
1. To prevent damage to the unit, do not move the unit with the door open.
2. The unit should not be submerged in water or become wet.
3. Use glass, plastic or stainless steel containers for electrolyzed water.
Sanitizing water may corrode metal.
For best operating results:
* The water electrolyzer should not be located next to ovens, grills or other high heat
producing equipment.
* Location should provide a rm and level foundation for the equipment.
* Allow 15 cm (6”) clearance at rear, sides and top for proper performance and ease of
maintenance and/or service.
* Install the unit in a well-ventilated area. Use fans with diameter over 15 cm (6”) [standard
air ow rate: 450 m3/h (270 ft3/min)] if necessary.
3. ELECTRICAL CONNECTION
WARNING
1. This water electrolyzer must have a separate power supply or receptacle of
proper capacity. Branching off the power cord, using an extension cord or
sharing a single power supply with other appliances may result in an electric
shock, heat generation or re.
2. The water electrolyzer requires a ground that meets the national and
local electrical code requirements. To prevent possible electrical shock to
individuals or extensive damage to equipment, plug the electrolyzer only into
a properly grounded electrical outlet.
CAUTION
The maximum allowable voltage variation should not exceed ±10 percent of the
rated voltage. Operation of the unit outside of this range may cause damage to
the unit or reduction of the performance.
* Usually an electrical permit and services of a licensed electrician are required.

14
4. INSTALLATION OF WATER SOFTENER (SOLD SEPARATELY) AND
WATER FILTER (SOLD SEPARATELY)
[a] CHECKS BEFORE INSTALLATION
1) Unpack and remove shipping carton, tape(s) and other packaging material(s).
2) Check that all the necessary accessories are included.
3) Follow the instruction manual for the water softener and the water lter.
[b] LOCATION
* Install the water softener and water lter under the same ambient temperature and water
temperature conditions as the water electrolyzer.
* Follow the instruction manual for the water softener and the water lter.
[c] SET UP
1) Install the valves and pipes following the instruction manual for the water softener and
the water lter.
2) Install a water pressure gauge on the pipe of the primary side of the water softener and
secondary side of the water lter.
[d] ELECTRICAL CONNECTION
WARNING
1. This softener must have a separate power supply or receptacle of proper
capacity. Branching off the power cord, using an extension cord or sharing
a single power supply with other appliances may result in an electric shock,
heat generation or re.
2. The water softener requires a ground that meets the national and local
electrical code requirements. To prevent possible electrical shock to
individuals or extensive damage to equipment, plug the water softener only
into a properly grounded electrical outlet.
CAUTION
The maximum allowable voltage variation should not exceed ±10 percent of the
rated voltage. Operation of the unit outside of this range may cause damage to
the unit or reduction of the performance.

15
* Usually an electrical permit and services of a licensed electrician are required.
[e] WATER SUPPLY AND PLUMBING CONNECTIONS
CAUTION
Do not run the water softener and the water lter until the proper water pressure
is reached.
* For piping of the water softener and water filter, follow the instruction manual for the
water softener and the water lter.
* Adjust water pressure so that discharge pressure after pipes are connected will be within
0.1 - 0.6 MPa (100 - 600 kPa). Also adjust water supply pressure so that it will be within
the specied value in the specications for the water softener and the water lter.
* For air gap between the drain pipe ends or hose ends and a sink or oor drain, follow the
instruction manual for the water softener.
* Be sure to ush out a new water softener thoroughly to a sink or drain before connecting
it to the water electrolyzer.
* A plumbing permit and services of a licensed plumber may be required in some areas.
* General piping example for the water softener and water lter
5. INSTALLATION OF REMOTE CONTROLLER (ACCESSORY)
Please note that the instructions and illustrations below are based on ROX-20TB2-
EW.
[a] CHECKS BEFORE INSTALLATION
1) Unpack and remove shipping carton, tape(s) and other packaging material(s).
2) Check that all the necessary accessories are included.
3) Check that the remote controller and water electrolyzer are installed so that the cables
and connection hoses of the remote controller can reach the water electrolyzer.
4) Check if there is any serious damage, broken cable, etc.

16
[b] LOCATION
WARNING
1. This remote controller is not intended for outdoor use. Normal operating
ambient temperature should be within 5°C to 35°C (40°F to 95°F); Normal
operating water temperature should be within 5°C to 30°C (40°F to 85°F).
Operation of the remote controller for extended periods outside of these
normal temperature ranges may affect performance.
2. Do not install the remote controller where exposed to humidity or splashing
water. Reduction in insulation property may cause an electric leak or shock.
3. Install an adequate ventilating system. Hydrogen gas or chlorine gas may
cause health problems.
CAUTION
1. Avoid a site where dripping is not allowed. Condensation may form on the
exterior in high humidity and could drip onto the oor.
2. Use glass, plastic or stainless steel containers for electrolyzed water.
Sanitizing water may corrode metal.
For best operating results:
* The remote controller should not be located next to ovens, grills or other high heat
producing equipment.
* Location should provide a rm and level foundation for the equipment.
* Install the unit in a well-ventilated area. Use fans with diameter over 15 cm (6”) [standard
air ow rate: 450 m3/h (270 ft3/min)] if necessary.
[c] SET UP
CAUTION
Use the accessory braided hoses, connectors and gaskets for electrolyzed
water piping. Other materials may cause corrosion and water leakage.
1) Attach the PVC braided hose to the connector
with the clamp. PVC Braided Hose
Clamp
Connector