Enapter WT 2.1 Manuale utente

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

WT 2.1

Water supply system for ELs

Owner’s Manual

Rev. 01 –March 2021

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

PREFACE

Thank you for choosing an Enapter water supply system. Please study this manual carefully before

attempting to operate the device.

If you have any further questions on installing the device, please contact the Enapter support team.

Quote the system serial number when contacting us; you can find the serial number on the module's

back.

Enapter Srl

Headquarters: Via Lavoria 56/G

56040 Crespina (PI) –Italy

T.: +39 050 644 281

Website: www.enapter.com

Mail: [email protected]om

VAT no. 13404981006

Scope of the document

This manual provides the installers, users, and owners with the information needed to carry out the

installation of the WT 2.1 safely and as intended.

Keep this manual in a safe place and readily available. Always follow its instructions. The operator's

responsibility is to ensure that an installed water tank system is always in proper condition. Please

observe any additional local requirements applicable to the installation and operation of the water

supply system. This owner's manual is intended as a general document and covers installation,

maintenance, and operation of the device.

Approved use

The WT 2.1 water supply system is designed to store water at low conductivity to provide the best

quality of pressurized water to the Enapter Electrolysers.

According to the specifications and instructions provided in this manual, the unit must only operate

for this purpose.

Observance of this manual is part of "normal use."

Danger of injury due to improper use!

Improper use of the product can result in serious injuries.

•Ensure that the manual is always accessible

•Make sure you have read and understood this manual in its entirety

•Comply with all safety instructions and warnings

•Store the manual and other documentation in a safe place and pass

them on to future owners of the product

•Comply with all local regulation

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

Table of Contents

Preface ___________________________________________________________________1

Product Overview ___________________________________________________________3

Technical Specifications __________________________________________________________ 5

Safety instructions ______________________________________________________________ 6

List of Hazards _________________________________________________________________ 8

Installation _______________________________________________________________10

Tools, material, and accessories required ________________________________________________10

Unpacking _________________________________________________________________________11

WT 2.1 Connection Guide _______________________________________________________ 12

Overfilling Connection Guide __________________________________________________________13

Water Outlet Connection Guide ________________________________________________________13

Water Inlet Connection Guide__________________________________________________________14

Electrical Connection Guide ___________________________________________________________15

Water Tank Monitoring Tools ________________________________________________17

Commissioning of the WT 2.1 ________________________________________________18

Preparing for H2O flowing _______________________________________________________ 18

Pairing the Water Tank to the cloud _____________________________________________________18

Refilling____________________________________________________________________________18

WT 2.1 Working Principle ___________________________________________________19

Control, Functions, and System States _________________________________________21

Manual Start/Stop ___________________________________________________________________21

Transport, Maintenance, and Recycling ________________________________________22

Routine Maintenance ________________________________________________________________22

Disposal ___________________________________________________________________________22

Transport __________________________________________________________________________22

Appendix_________________________________________________________________23

Appendix I. Draining the WT 2.1 __________________________________________________________23

Appendix II. Cleaning the conductivity sensor _______________________________________________24

Appendix III. Depressurize the line ________________________________________________________25

Appendix IV. Manual refilling of WT 2.1 ____________________________________________________26

Appendix V. Integration in Cabinets _______________________________________________________27

Cabinet ____________________________________________________________________________27

Appendix VI. LED States _________________________________________________________________28

Appendix VII. Error codes________________________________________________________________29

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

PRODUCT OVERVIEW

Enapter's Water Tank 2.1 (WT21) is a standardized, stackable, and flexible system to provide deionized

water to the electrolysers. The modular, easily maintainable design –paired with advanced software

integration –allows to set up the system in minutes, including remote control and management. To

have a water input at the right level of purification always available for your electrolysers, simply stack

this module inside standard 19" racks or any housing you wish.

Front Panel

Figure 1

The front panel of the WT 2.1 (Figure 1) includes all physical connections of the device –allowing easy

access for installers and maintenance staff, requiring access from only one direction, and simple

integration into standard 19" racks and cabinets.

1) H2O In

1. Bulkhead connector (10mm)

2. Requirements: Water input conductivity <20 µS/cm, input pressure = 0 → 6 bar

2) H2O Out

1. Bulkhead connector (8mm)

2. Output: max 3.8 L/min, up to 2.75bar

3) Overfilling

1. Bulkhead connector (10mm)

11.1

11.2

11.4

11.3

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

2. Requirements: This port must never be obstructed

3. Output: In case of overfilling of the water tank, the water will exit through this port. It is

possible to use this port to equalize the tank's pressure during draining, filling, and supplying

water.

4) Depressurisation Port labelled "DEPR."

1. CPC quick connector 10 mm

2. It is only used during routine maintenance to depressurize the water outlet line and prepare

the piping to be disconnected. (Please, follow Appendix III)

5) Drain

1. CPC quick connector 10 mm

2. Only used during routine maintenance to drain the WT 2.1 and to prepare the device for

transport. (Please, follow Appendix I)

6) Maintenance Port labelled "MAINT."

1. CPC quick connector 10 mm

2. If needed by the machine to rinse and reset the conductivity sensor, please use this port if

bad water is detected. For detailed instructions of this procedure, please see Appendix II

below.

3. It can also depressurize the water inlet line and to prepare the piping to be disconnected.

7) On/Off Switch

8) Power –please refer to the Electrical Connection Guide below

9) ANT. –Antenna

A miniature antenna is attached to connect the device to the local network via Bluetooth

and Wi-Fi, enabling real-time updates and monitoring for the User via the Enapter app

and cloud.

Do not touch the antenna when the device is powered on!

10) LEDs: for LEDs Status, please refer to Appendix VI below

11) Fuses

a. AC side - PHASE line

b. AC side –NEUTRAL line

c. DC side –Solenoid valve

d. DC side –Pump

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

TECHNICAL SPECIFICATIONS

WT 2.1

Nominal water flow out

3.8 L/h

Delivery Pressure

Up to 2.75 Barg1

Nominal Power Consumption

35W

Water output Purity

<= 20μS/cm

Input Water Requirements

Pressure ≤6 BarG

Dimensions

L:483mm H:310mm W:640mm

Weight (without water)

23 kg

Weight (with water)

62 kg

Control System Included

Energy Management System (EMS)

Communications

Wireless (Wi-Fi)

Remote Shutdown

Enapter Cloud Service, Enapter App

Safety

Conformity

CE certified according to the machine directive 2006/42/CE

EN ISO 12100

ISO 13849

EN 61010

EN 61000-6-3

EN 61000-6-2

Noise at 1 m

<60 dB

Environmental

IP Rating

Operating Conditions

5°C to 45°C, up to 95% humidity, non-condensing

Interfaces

H2O Outlet

8mm Tube Fitting

H2O Inlet

10 mm Tube Fitting

Overfilling

10 mm Tube Fitting

Drain port

CPC quick connector 10 mm

Depressurize

CPC quick connector 10 mm

Maintenance

CPC quick connector 10 mm

Internal demand pump: pressure switch setting at 2.75 barg.

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

SAFETY INSTRUCTIONS

Warnings and Hazards

The following terms and symbols are used in this manual to indicate essential text passages which

must be given particular attention:

warning regarding fatal/serious injury

warning regarding injury

warning regarding physical damage to the product

Do not open or disassemble

Keep away from sources of heat and ignition.

No naked flames

No smoking

Minimum two persons required to handle the item

Wear Personal Protective Equipment

General safety

Any user, installer, and the operator must be aware of the following:

1. Do not use this machine in a potentially explosive area

2. We decline any responsibility resulting from improper use of the WT 2.1

a. Caused by the utilization of low water quality

b. Caused by supplying too high water inlet pressure

c. Caused by improper installation of the machine

d. Caused by leaking connections on the front panel of the device (Improper mounting

of tubing)

3. It is the installer's/user's or owner's responsibility to check and maintain the overfilling line

regularly and keep it free of ice or obstructions.

User should always observe the following rules:

1. Keep the work area clean. Clutter can create hazards around the device. Keep the work area

well illuminated.

2. Do not use the machine in explosive atmospheres. Do not use the device near flammable

substances.

3. Handle the power supply cable with care. Do not pull the electric line to disconnect it from

the plug without removing power from it first. Keep the electric cable away from heat, oil,

and sharp edges.

4. Protect yourself from electric shock. Avoid any contact with earthing surfaces.

5. Never expose the device to rain or very damp conditions.

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

6. Keep children and people without explicit knowledge of the device and its function away to

a safe distance.

7. Only use demineralized water according to the specification stated in this manual.

8. Always disconnect the machine from electricity before any maintenance and transport.

9. Only use the machine in the way and for the purposes mentioned in this manual. If the device

is utilized for uses other than specified in this manual, unforeseen hazards may present.

10. Use the handles when lifting and moving the device.

11. Never attempt to repair the machine by yourself. The device must be repaired only by

qualified staff who use original spare parts; otherwise, risks may arise for the operator.

12. Do not store the unit at temperatures below 2°C.

13. All the water lines must be properly connected before to power the device ON.

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

LIST OF HAZARDS

Any system-operator, integrator, end-user, technician who performs service, maintains, or install the

device must be aware of the potential risks of its use and implement sufficient processes in case of an

accident or emergency.

Always ensure that the system is installed and operated according to local code,

regulations, and standards. Do not install, use, or maintain the system without explicit

knowledge or help from experienced and licensed system integrators, manufacturers, or

external certifying bodies.

Mechanical Hazards

Generic mechanical hazards are often ignored and commonly cause injuries. To avoid this, we

recommend wearing appropriate Personal Protective Equipment (PPE) and using suitable tools when

handling the device and packaging material.

While handling the packaging material and preliminary installation does not require specialized

technicians, general training regarding lifting heavy loads and general safety briefings is necessary to

perform these tasks safely.

Operators must comply with the general safety principles during the handling phases. In particular:

Caution!

Before handling, moving, and commissioning the system, assess the

operation's risks, and study the manual. Appropriate PPE must be worn, such

as cut-resistant gloves, safety shoes, protective goggles, etc., depending on

the activity.

Ensure to clear the area of work before starting to mount the device.

The device is heavy and must be lifted by at least two people –plan around

this and allow ample space to move around.

Do not lift the device over our heads.

Caution!

During handling the device, be cautious and use the handles on the device to

minimize the mechanical risks, such as:

•Impacts and crushing injuries due to uncontrolled movements of the

load.

•Dropping the device, causing crushing injuries.

•Loss of stability, leading to entanglements and other injuries.

At least two people must handle the packaging/device.

Electrical hazards

Do not touch the antenna when the system is powered. The unit poses no special electrical hazards,

as long as the following instructions on safety measures are observed and the Electrical Connection

Guide below is applied correctly:

Version

Document Title

Release Date

WT 2.1 –Owner’s Manual

2021-03-12

Caution!

•Handle the electrical installation with care. Ensure that the plug is

fastened into the connector to avoid any loosening of the wiring.

•Use only the supply voltage specified on the rear of the device.

•Do not short-circuit inputs and outputs.

•Do not reverse the polarity of inputs and outputs.

•Do not use liquids near the product.

•Never use the product if any part of it has been immersed in water.

•Do not touch the antenna when the unit is powered. Ensure you are

not charged before mounting/dismounting the antenna.

WARNING!

Always turn off the power supply when the product is being cleaned,

maintained, or transported.

Other than cleaning and routine user maintenance, any servicing must be

performed by trained, Enapter-endorsed technicians.

Thermal hazards

Thermal hazards such as burns and scalds for contact with high-temperature surfaces (which can only

present themselves in case of failure of some internal components of the device) can be prevented by

applying the following safety instructions:

•Ensure the device can only be accessed by authorized and trained staff.

•Operators and maintenance staff must wear appropriate Personal Protective Equipment (PPE)

when handling the device.

•Remove the supply of power before any service, transport, and installation of the device.

•Never open the device unless you have been specially trained for service by Enapter.

•Other than cleaning and user maintenance, specialist personnel must perform any servicing

with the power supply switched off.

Environmental hazards

The device has been designed for use in standard ambient conditions, respecting stability

requirements (in the absence of seismic or hydrogeological events of intensity).

The WT 2.1 has not been designed for outdoor use. The User's responsibility is to protect the system

and all its accessories against atmospheric phenomena such as direct sunlight, rain, snow, and

lightning. For more information about the integration of the device in cabinets, please refer to

Appendix V below.

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