Mar Cor Purification WRO 300 H, WRO 300 Operator's Manual

Mar Cor Purification

WRO 300 H

Operator’s Manual

Important User Information

Copyright © 2012 by Mar Cor Purification, Inc.

All rights reserved. No part of the contents of this manual may
be reproduced, copied, or transmitted in any form or by any
means including graphic, electronic, or mechanical methods or
photocopying, recording, or information storage and retrieval
systems without the written permission of the publisher, unless
it is for the purchaser's personal use.

The information in this manual is subject to change without
notice and does not represent a commitment on the part of Mar
Cor Purification (MCP). MCP does not assume any responsibil­ity for any errors that may appear in this manual. In no event
will MCP be liable for technical or editorial omissions made
herein, nor for direct, indirect, special, incidental, or conse­quential damages resulting from the use or defect of this man­ual.

The information in this document is not intended to cover all
possible conditions and situations that might occur. The end
user must exercise caution and common sense when install­ing, using, or maintaining MCP products. If any questions or
problems arise, call MCP Technical Services at 1-800-633-

3080.

Intended Use

MCP products are intended to be installed and used as
described in this manual and other related MCP literature.

WRO 300 H

Table of Contents

Table of Contents

Important User Information . . . . . . . . . . . . . . . . . . . . . . . 2

Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Table of Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Other Manuals for WRO 300 H. . . . . . . . . . . . . . . . . . . . 5

Definitions of Expressions in the Manual . . . . . . . . . . . . 5

Safety Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . 5

List of Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Certification Marks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

IPR - Intellectual Property Rights . . . . . . . . . . . . . . . . . . 8

Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Alarm Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Notification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Conductivity Monitoring. . . . . . . . . . . . . . . . . . . . . . . . . 10

Conductivity Notification (set at 20 µS/cm) . . . . . . . 10

Conductivity Alarm (set at 30 µS/cm) . . . . . . . . . . . 11

Conductivity Stop (set at 60 µS/cm) . . . . . . . . . . . . 11

Setting of Conductivity Limits . . . . . . . . . . . . . . . . . 11

Low Rejection Rate Notification. . . . . . . . . . . . . . . . 11

Mains Power Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Operator Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Description of Buttons . . . . . . . . . . . . . . . . . . . . . . . 12

Description of Indications . . . . . . . . . . . . . . . . . . . . 13

Definition of Flash Indications . . . . . . . . . . . . . . . . . 13

Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operational Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Stop. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Regular Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Heat Disinfection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Heat Disinfection Procedure . . . . . . . . . . . . . . . . . . 17

P/N 3027436 Rev. C

3

Table of Contents

WRO 300 H

Stop Heat Disinfection Sequence . . . . . . . . . . . . . . 18

Chemical Disinfection . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Approved Chemical Disinfectants . . . . . . . . . . . . . . 19

Test Kit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chemical Disinfection Procedure . . . . . . . . . . . . . . 19

Residual Test After Chemical Disinfection . . . . . . . 23

Central Chem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Warm Acid Cleaning . . . . . . . . . . . . . . . . . . . . . . . . 24

Alkaline Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Cleaning Procedure. . . . . . . . . . . . . . . . . . . . . . . . . 25

Test for Residuals . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Long Term Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Preservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Rinse After Preservation . . . . . . . . . . . . . . . . . . . . . 26

Check for Complete Rinse-out . . . . . . . . . . . . . . . . 27

Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Manual Flush. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Auto Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Exterior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Performance and Specification . . . . . . . . . . . . . . . . . . . 29

Chemical Disinfection and Cleaning . . . . . . . . . . . . . . . 33

Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Materials Contacting Product Water . . . . . . . . . . . . . . . 34

Environmental Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Electromagnetic Environment . . . . . . . . . . . . . . . . . . . . 35

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Alarms and Notifications . . . . . . . . . . . . . . . . . . . . . . . . 39

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Chemical, Cleaning, Rinse and Preservation . . . . . 42

Boot Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Check List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

4

P/N 3027436 Rev. C

WRO 300 H

Preface

Preface

This manual provides the information needed to operate the
WRO 300 H water purification unit.

Valid program version 4.x

Other Manuals for WRO 300 H

The list below shows all manuals related to this Operator’s Manual.

Service Manual WRO 300/300 H, 3027437

Installation Guide WRO 300/300 H, 3027502

Definitions of Expressions in the Manual

WARNING

Is used to alert the user not to take a certain action, which if

taken can cause a potential hazard and result in a serious
adverse reaction, injury or death. A warning may also be used

to alert the user to take a certain action to avoid the potential

hazard as above.

CAUTION

Is used to alert the user/operator to take a certain action to

protect against a potential hazard which, if ignored, could
have an adverse effect on the patient or the device. A caution

may also be used to alert the user not to take a certain action

to avoid the potential hazard as above.

NOTE

A reminder to the user on normal treatment activity and on what is a
suitable action in a particular situation.

Safety Considerations

WARNING

Unauthorized installation, modifications, alterations or repair
of the WRO 300 H may result in malfunctioning or have other
serious consequences for the safe operation of the equip­ment.

WARNING

Dialysis machines that are supplied with water from the
WRO 300 H water purification unit must comply with IEC
60601-2-16.

P/N 3027436 Rev. C

5

Preface

WRO 300 H

CAUTION

• WRO 300 H may be operated only by persons who have studied
the instructions in these manuals and the manual for the dialysis
monitor. If the system does not perform as described in this man­uals, it should not be used until the condition is rectified.

• The operator should pay attention to alarms and follow the
instructions, warnings, cautions and notes given in the manual.

• The WRO 300 H will perform as designed only if it is used and
maintained in accordance with MCP´s written instructions. Any
warranties made by MCP with respect to the WRO 300 H are
voided if the equipment is not used in accordance with the written
instructions provided. MCP will not accept responsibility for any
damage or injury resulting from improper use or maintenance or
unauthorized repair.

• The use of mobile telephones or communication equipment in
the vicinity of the WRO 300 H could adversely influence the per­formance of the machine. See specification.

• The WRO 300 H is not suitable for use in the presence of a flam­mable anesthetic mixture with air or with oxygen or nitrous oxide.

• WRO 300 H needs special precautions regarding EMC and
needs to be installed and put into service according to the EMC
information provided in the Operator’s and Service manual.

• U.S. Federal law restricts this device to sale by or on the order of
a physician.

NOTE

• During transportation and storage the equipment must be kept in its orig­inal packing. If transportation or storage time is more than 15 weeks the
environmental data relating to the operation must be followed.

• For the qualified technician the WRO 300/300 H Service Manual is avail­able. The Service Manual provides all of the necessary information for the
safe and required maintenance of the machine.

• The WRO 300 H is intended for continuous operation.

• The WRO 300 H has a feature called Low Flow Heat that is used in con-

junction with certain dialysis machines. This feature is not approved in the
US by the FDA or currently compatible with any US dialysis machines.

List of Symbols

Alternating current

Protective earth (ground)

Warning, consult accompanying documents

Off (power, disconnection from the mains)

6

P/N 3027436 Rev. C

WRO 300 H

CB

Preface

On (power, connection to the mains)

Type B, applied part

Handle with care

This way up

Keep dry

Separate collection for electrical and electronic equipment

Input /Output

Year of manufacturing

The WRO 300 H is protected against dripping water

Recycling symbol -General

Reject water connection

Feed water inlet connection

Loop connections (Product water outlet and return)

ME equipment and ME systems that include RF transmit­ters or that intentionally apply RF electromagnetic energy
for diagnosis or treatment shall be labeled with this sym­bol.

P/N 3027436 Rev. C

7

Preface

Certification Marks

The CSA(C-US) mark indicates that the WRO 300 H
water purification unit conforms to the requirements
related to safety of medical devices for the US and Can­ada. The C and the US adjacent to the CSA mark indi­cates that the WRO 300 H water purification unit has been
evaluated to the applicable ANSI/UL and CSA standards
for use in the US and Canada.

IPR - Intellectual Property Rights

Copyright

© 2012 Mar Cor Purification, Inc.

Trademarks

•DIALOX® is a trademark registered in several countries, including
Sweden, United Kingdom and Japan by their respective owners

®

•MINNCARE
countries including United States and United Kingdom

• MINNCLEAN
countries including the United States

• STERICHECK
including the United States and Japan by their respective owners

•ULTRASIL
tries including Australia and Canada

is a trademark of Minntech registered in several

®

is a trademark of Minntech registered in several

®

is a trademark registered in several countries

®

is a trademark of Ecolab registered in several coun-

WRO 300 H

Manufacturer

Mar Cor Purification, Inc.
14550 28th Avenue North
Plymouth, MN 55447
USA
Phone: [phone]
Fax (Customer Service): 1-763-210-3868
www.mcpur.com

8

P/N 3027436 Rev. C

WRO 300 H

Introduction

1 Introduction

1.1 Intended Use

The MCP WRO 300 H Water Purification Unit is intended to be used
as a dialysis accessory to produce water through reverse osmosis for
one hemodialysis equipment.

The WRO 300 H can be connected to hemodialysis equipment used
both in hospitals and in home environments, in conjunction with appro­priate pre and post treatment units, as a part of a water treatment sys­tem designed to meet applicable regulations or standards for water for
dialysis, for example current AAMI and Federal (U.S.) standards.

CAUTION

The water produced by WRO 300 H should be analysed at
installation and on a regular basis to verify that it conforms to
applicable regulations or standards for water for dialysis.

P/N 3027436 Rev. C

1.2 General

The WRO 300 H has been designed to fulfil the special requirements
within a dialysis setting. This device has the following features:

• Simple user interface

• Automated heat disinfection

• Chemical disinfection and cleaning modes

• Auto flush function during standby periods to minimize stagnant
water.

This manual for WRO 300 H includes instructions for operating, moni­toring, cleaning, disinfecting and troubleshooting this device from an
operator’s perspective. For installation instructions refer to separate

Installation Guide.

9

Introduction

WRO 300 H

1.3 Alarm Types

1.3.1 Notification

Next time the WRO goes to Standby the buzzer sounds, flashes
and the message text will be displayed.

Buzzer Sound Description

Notification

1.3.2 Info

The WRO continues in the current mode. The message text will be dis­played.

1.3.3 Alarm

The WRO continues in the current mode. The buzzer sounds,
flashes and the message text will be displayed.

Buzzer Sound Description

Alarm

1.3.4 Stop

The WRO stops. The buzzer sounds, flashes and the

message text will be displayed.

Buzzer Sound Description

Stop

1.4 Conductivity Monitoring

The conductivity monitoring system in the WRO 300 H has three limits,
allowing for individual adaptation of alarm settings to local preferences
and regulations. The three limits are described in the sections below.
All three limits are set at the factory.

NOTE

If the notification, alarm and stop limits are set to the same value as
the priority of the action are in the order of stop, alarm and notification.

1.4.1 Conductivity Notification (set at 20 µS/cm)

Indicates that the product water conductivity is above normal reading.
It will be issued when the WRO 300 H enters standby mode if the noti­fication limit has been exceeded for more than 30 consecutive seconds
during the previous run period. It may be caused by several reasons

10

P/N 3027436 Rev. C

WRO 300 H

Introduction

such as incipient fouling, degradation of the RO membrane or change
in the feed water quality.

NOTE

If the feed water conductivity is known to vary significantly, the con­ductivity notification limit should be inactivated by setting it at the
same value as the conductivity alarm, see below.

1.4.2 Conductivity Alarm (set at 30 µS/cm)

The clinic's predefined maximum product water conductivity for water
for dialysis has been exceeded for more than 30 consecutive seconds.
An audible and visual alarm will be issued. The WRO 300 H will con­tinue operation to allow for finishing the dialysis treatment. The buzzer

can be muted indefinitely by pressing , or . The button
remains lighted to indicate that the alarm persists.

1.4.3 Conductivity Stop (set at 60 µS/cm)

The clinic's predefined maximum permissible product water conductiv­ity has been exceeded for more than 30 consecutive seconds. An
audible and visual alarm will be issued and WRO 300 H will stop. The

alarm can be acknowledged by pressing , or . The
WRO 300 H can be restarted. The alarm will reappear and the

WRO 300 H will stop after 30 seconds if the conductivity remains over
the limit.

1.4.4 Setting of Conductivity Limits

• If the intention is to have an early warning of a change in the prod­uct water conductivity, set the notification limit at a value between
the normal product water reading and the set alarm limit.

• If the intention is to stop operation in case of a conductivity alarm,
set alarm and stop limits to the same value.

• If, in case of a conductivity alarm, the intention is to allow for con­tinued dialysis in order to finish the ongoing dialysis treatment, set
the alarm limit at the desired limit. The stop limit at which the WRO
300 H will stop then has to be set at a higher value.

To adjust the limits, refer to the Service Manual.

1.4.5 Low Rejection Rate Notification

The rejection rate is the reduction (in percent) of the conductivity of the
water in a reverse osmosis system. It depends on a number of factors
such as conductivity, pH and temperature of the feed water and may
vary significantly from one location to the other. It should therefore not
be considered as an absolute measure of the quality of the water but
rather as an indicator that can help to detect changes in performance
of the WRO 300 H which may be caused by incipient fouling or degra­dation of the RO-membrane.

The low rejection rate notification default setting of 90 percent is rele­vant for most inlet water supplies. It may, however, need to be

P/N 3027436 Rev. C

11

Introduction

Mains power switch

WRO 300 H

adjusted at installation to a lower value by a qualified technician to fit
local conditions, especially in cases of low feed water conductivity
(<100 µS/cm). The limit should be set at least 5 percent lower than the
initial value recorded at installation.

The low rejection rate notification will be displayed when the
WRO 300 H enters standby if the set limit has been exceeded for more
than 5 consecutive minutes during the previous run period.

1.5 Mains Power Switch

The mains power switch is only used in service situations to turn off the
power. The mains power switch is located on the rear side behind a
detachable cover.

1.6 Operator Panel

1.6.1 Description of Buttons

Buttons Description

Press to start operation (RUN).

Press to stop operation (STANDBY).

Press to stop heat disinfection procedure and low flow heat.

Press to enter

Press to start the selected procedure (SELECT or CHEM SELECT).

Press during the chemical intake procedure to pause.

Press during dwell period to initiate rinse.

Press to silence audible alarms.

Press to unlock the display and enter the alarm list.

SELECT (only in Standby mode)

12

P/N 3027436 Rev. C

WRO 300 H

Introduction

Buttons Description

Used to scroll and view data in the display.

Press any of the arrow buttons to unlock the display and enter the alarm
list.

Pressing both arrow buttons simultaneously will lock current information
in the display. Press any arrow buttons to release the locking function.

1.6.2 Description of Indications

Indications Description

Green General
Green Steady light

Slow flash

Fast flash

Yellow Steady light

Slow flash

Medium flash

Red Medium flash

Steady light

Indicates that the WRO 300 H is energized.

RUN mode, auto flush or manual flush in
progress.

The auto flush function is activated. (only in
standby mode)

Insufficient feed water supply. (only in RUN
mode)

Chemical disinfection, heat disinfection, low
flow heat or cleaning is in progress.

The automated heat disinfection by time chan­nels is activated. (only in standby mode)

The disinfection wand connector is inserted into
the chemical intake.

During selection of procedure in SELECT or

CHEM SELECT

The chemical intake phase is paused.

Forced rinse is required (

REQUIRED

Unconfirmed notification, info, alarm or stop
conditions are present.

Notification, info, alarm or stop condition has
been confirmed.

).

404 RINSE

1.6.3 Definition of Flash Indications

P/N 3027436 Rev. C

Flash indication Time

On Off

Slow flash 0.4 sec 2.0 sec

Medium flash 0.4 sec 0.4 sec

Fast flash 0.2 sec 0.2 sec

13

Introduction

1.6.4 Reminders

Recurring notifications can be preset to remind the user to take certain
actions, for example exchange cartridge in the pre-filter. When the
reminder time expires, the notification message will display. For addi-

tional information about Reminders, refer to the Service Manual.

NOTE

After the reminder time has expired the notification message will only
appear once!

1.6.5 Operational Data

If any alarm (stop, alarm, info, or notification) has been issued, the
alarm list will appear first and can be scrolled and viewed by using the

or . Refer to Troubleshooting on page 39.

By using or the operational data can be scrolled and viewed in
the display.

Operational data Unit

PRODUCT WATER X µS/cm

FEED WATER X µS/cm

REJECTION RATE X %

PRODUCT WATER FLOW X ml/min

PRODUCT WATER TEMP X °C

HEAT,

CHEM, X

ACID CLEAN, X

ALKALINE CLEAN, X

PROGRAM VERSION X.y

TOTAL RUN TIME X hr

DATE yyyy-mm-dd

TIME hh:mm:ss

INTERNAL SERVICE Not applicable

DAYS SINCE

LAST

1

X

WRO 300 H

1. Visible depending on settings

Main view will reappear automatically after 15 seconds. It is also possi­ble to return to the main view, by using either or to scroll
through the alarm list and the operational data until main view is dis­played.

14

P/N 3027436 Rev. C

WRO 300 H

RUN

X

μS

/

cm

STANDBY

Operation

2 Operation

WARNING

This device does not remove chlorine and chloramines. If
these substances are present in the feed water, carbon filtra­tion is required to remove these substances. Severe patient
injury may otherwise occur. A test for total chlorine of the pre­treated water must be performed prior to initiating dialysis
treatment. The level of total chlorine must be below 0.1 mg/l
(ppm).

2.1 Start

Press until light goes on.

NOTE

will light up and the WRO 300 H will go into active cooldown if the

internal water temperature exceeds 45 °C ( will still be lit). The pro­cedure will continue until the temprature is below 45 °C.

2.2 Stop

Press until light goes out and the WRO 300 H goes to standby
mode.

NOTE

If power failure occurs during operation mode the procedure contin­ues in the same phase as when the power failure occurred when the
WRO 300 H starts up again.

P/N 3027436 Rev. C

15

Operation

WRO 300 H

This page is blank.

16

P/N 3027436 Rev. C

WRO 300 H

Regular Maintenance

3 Regular Maintenance

NOTE

The procedure below assume factory settings of the protocol.

NOTE

If the internal water temperature exceeds 45 °C when initiating the
preferred procedure the display reverts to the
CHEM SELECT menu.

This situation is resolved by initiating RUN and letting the WRO 300 H
operate and perform an active cooldown until the temperature is
below 45 °C.

3.1 Heat Disinfection

The required heat disinfection frequency to fulfil the desired microbio­logical requirements for the product water depends on several factors
such as:

• the quality of the feed water

SELECT menu or the

• local regulations regarding the microbiological quality of dialysis
water, etc.

No general rules can be given that cover all situations. The disinfection
schedule should be based upon microbiological testing performed by
the clinic. A maximum period between disinfections should then be
established to ensure acceptable bacteriological quality of the product
water according to the clinic’s standards.

MCP recommends a minimum frequency of weekly heat disinfection to
ensure consistent microbiological quality of the product water.

If the WRO 300 H will not be used for an extended period of time, reg­ular automated heat disinfection preset by the time channels will main­tain the microbiological quality of the product water.

3.1.1 Heat Disinfection Procedure

The following paragraphs describe the heat disinfection of the WRO
300 H and the product water loop.

NOTE

The dialysis machine shall be turned off when the heat disinfection
procedure is performed.

NOTE

The heat disinfection procedure can also be initiated by the time chan-

nels. Further information of time channel settings refer to the Service
Manual.

P/N 3027436 Rev. C

17

Regular Maintenance

NOTE

If power failure occurs during heat disinfection procedure 301
INSUFFICIENT HEAT is displayed when the WRO 300 H restarts.

Press until the WRO 300 H either goes to standby or an active
cooldown is initiated if it is preset.

Step 1 Press until SELECT is shown in the display and

WRO 300 H

starts to flash.

Step 2 From SELECT, press

dures.

Step 3 Select HEAT by using the .

Step 4 Initiate the heat disinfection by pressing until the light

goes on.

to enter the list of available proce-

3.1.2 Stop Heat Disinfection Sequence

• Press until light goes on to stop the heat disinfection proce­dure. An active cooldown is initiated, then the WRO 300 H goes to

standby.

• For more information about the settings of active cooldown, refer to

the Service Manual.

3.2 Chemical Disinfection

NOTE

Chemical disinfection is not required for WRO 300 H units. Heat dis­infection is the preferred method to maintain bacterial control.

NOTE

The MINNCARE® disinfection option is disabled at the factory and

can be re-enabled by referring to the Service Manual for instructions.

For certain peracetic acid disinfectants the manufacturer recommends
that the WRO 300 H should be cleaned with an acid cleaning agent in
accordance with the cleaning instructions prior to chemical disinfection

to preserve the RO membrane. Refer to the section, Cleaning on
page 24.

The use of an ultrafilter on the dialysis machine will remove possible
contaminants originating from the product water and may therefore be
used as a method to extend the time between chemical disinfection of
the WRO 300 H.

Contact MCP for suitable chemical disinfectant for the procedures.

18

P/N 3027436 Rev. C

WRO 300 H

Regular Maintenance

3.2.1 Approved Chemical Disinfectants

•MINNCARE® Cold Sterilant

Required amount: 50 ml of concentrated disinfectant

CAUTION

Disinfectants may be toxic. Refer to the manufacturer instruc­tions.

CAUTION

A test for residual disinfectant after rinse must be performed
before the initiation of the next dialysis session. The residual
concentration of the disinfectant in the fluid must be below lev­els specified by the clinic or by national standards. It is essen­tial to use an appropriate test method, either with proven
sensitivity for the disinfectant or recommended by the manu­facturer of the disinfectant.

3.2.2 Test Kit Example

• Minncare Residual Test Strips, MCP order number 185-40-004
(preferred).

®

• STERICHEK

Residual Peroxide, MCP order number WT811905

(alternate).

3.2.3 Chemical Disinfection Procedure

Chemical disinfection of the WRO, including product water loop.

CAUTION

The chemical container must be located below the chemical
intake.

CAUTION

When requested by the WRO unit, remove the disinfection wand
from the chemical intake. Failure to remove the disinfection
wand can cause siphoning of the chemical solution from the bot­tle resulting in the tank overflowing chemical solution through the
back of the machine.

NOTE

If power failure occurs during chemical disinfection 404 RINSE
REQUIRED is displayed when the WRO 300 H restarts (also 401

REMOVE WAND is displayed during the intake phase). Press until

light goes on, to initiate rinse.

Step 1 Place the WRO into standby mode.

Step 2 Disconnect the WRO 300 H from the dialysis machine with

the quick connector on the product water loop. Alternatively,

P/N 3027436 Rev. C

19

Regular Maintenance

Disconnect the quick connector

Nipple at the Dialysis machine

WRO 300 H

Insert the connector and press Turn to lock

WRO 300 H

the connector can be left in place. Refer to the caution mes­sage below.

CAUTION

If the WRO 300 H is not disconnected from the dialysis
machine during the chemical disinfection procedure, the test
for residuals after the chemical disinfection procedure must be

performed on the dialysis machine according to the Operator’s
Manual of this device.

Step 3 Place a tag on the WRO 300 H, stating that chemical disin-

fection is in progress and what type of disinfectant is being
used.

Step 4 Insert the wand connector into the chemical intake port of the

WRO 300 H (see figure below), press firmly and turn the con­nector downwards to lock. Check that the connector is
securely in place.

Step 5 CHEM SELECT is shown in the display and starts to flash.

20

P/N 3027436 Rev. C

WRO 300 H

Container

Disinfection Wand
Connector

Correct

Wrong

Disinfection Wand Connector

Container

CHEM INTAKE

X μS/

cm

Regular Maintenance

Step 6 Insert the open end of the disinfection wand into a container

with sufficient amount of disinfectant (refer to Approved
Chemical Disinfectants on page 19). Check that the open end

of the intake wand is below the solution level and that the
clamp is open. The container must be below the level of the
chemical intake port to prevent siphoning chemical into the
WRO 300 H unit.

Step 7 From CHEM SELECT, press

to enter the list of available

cleaning and chemical disinfection programs.

Step 8 Select preferred chemical disinfection program by using the

arrow buttons.

MINNCARE

Step 9 Initiate the disinfectant intake by pressing until light goes

on.

NOTE

The display shows present phase of the chemical disinfection proce­dure.

NOTE

The container can be empty before the intake phase is finished.

CAUTION

The chemical disinfection has to be restarted if alarm 406
INSUFFICIENT INTAKE has appeared.

P/N 3027436 Rev. C

21

Regular Maintenance

The table below explains how to pause, interrupt or restart the proce­dure:

WRO 300 H

Action

Pause of chemical
intake phase

Interrupt chemical
disinfection procedure

Restart of intake phase

Press until light flashes. To continue the intake

press again until light goes on.

Disconnect the wand connector and press until

light goes on, to initiate rinse.

Remove the wand connector and insert it again

CHEM INTAKE RESTART appears on the dis-

play and flashes. Then press until light

goes on.

Step 10 401 REMOVE WAND is displayed and the buzzer sounds and

is flashing, press .

Step 11 Keep the wand in the container and disconnect the wand by

turning the connector a quarter of a turn and gently pull it out.
Let the disinfectant liquid from the line and wand flow back
into the container. Then clamp the line. Also check that cor­rect amount of disinfectant has been consumed.

CAUTION

When requested by the WRO unit, remove the disinfection wand
from the chemical intake. Failure to remove the disinfection
wand can cause siphoning of the chemical solution from the bot­tle resulting in the tank overflowing chemical solution through the
back of the machine.

22

Step 12 Remove the disinfection wand from the container and flush

with water.

Step 13 The chemical disinfection procedure will now continue auto-

matically with DWELL PERIOD followed by RINSE. The
remaining time to complete the chemical disinfection proce­dure is also displayed.

NOTE

The conductivity value is checked during the final five minutes of the
rinse phase. If the value is above the conductivity notification limit

(refer to Conductivity Monitoring on page 10) when the preset rinse

time is finished it is prolonged 30 minutes. If the value decreases
below the conductivity notification limit the prolonged rinse finishes.

If the level still is above the conductivity notification limit when the pro­longed rinse is finished the alarm 403 HIGH CONDUCTIVITY RINSE
appears.

P/N 3027436 Rev. C

WRO 300 H

RUN

X

μS

/

cm

Regular Maintenance

Step 14 When the chemical disinfection program is completed the dis-

play will show PERFORM RESIDUAL TEST. The indication

will remain lighted and the will flash.

3.2.4 Residual Test After Chemical Disinfection

CAUTION

If the WRO 300 H has been connected to the dialysis machine
during the chemical disinfection procedure, the test for resid­uals after the chemical disinfection procedure must be per-

formed on the dialysis machine according to the Operator’s
Manual of the dialysis machine.

Step 1 Press until light goes on, to start WRO 300 H.

Indication will light and will flash.

Step 2 Collect a water sample either from the product water line or

from the dialysis machine according to the caution above.

Step 3 Test for disinfectant residuals with Minncare

®

Residual Per-

oxide test strips or other approved test strips or methods.

Step 4 Confirm by pressing until light goes out. Indication

remains on.

Step 5 Remove any tag indicating storage with disinfectant.

If residuals are detected after starting the WRO 300 H by pressing
until light goes on, repeat the residual test every five minutes until no
residuals can be detected.

P/N 3027436 Rev. C

23

Regular Maintenance

CENTR_CH_PHX

3.2.5 Central Chem

The central chem disinfects the WRO and also sends disinfectant into
the dialysis machine. For more detailed information on how to perform

central chem together with Gambro
Technical Service.

®

dialysis machines, please contact

CAUTION

If the produced disinfection solution is fed into a device other
than Gambro

®

dialysis machines, it is the user’s responsibility
to ensure that the connected device is compatible with perace­tic acid disinfectants and to establish the procedure for the
WRO in combination with the connected device.

CAUTION

As the disinfection solution produced by the WRO will enter
any device connected to the quick connector on the product
water loop, residual test after disinfection must be performed

on the connected device in accordance with the Operator’s
Manual for the connected device.

WRO 300 H

Follow the Chemical Disinfection Procedure on page 19, but start at

Step 3 and follow the instruction through Step 13.
In Step 8 select the preferred central chem protocol in the CHEM

SELECT menu.

NOTE

During the intake phase of the central chem program, the product
water loop will not be pressurized until the correct conductivity has
been obtained, which will take a few minutes.

3.3 Cleaning

3.3.1 Warm Acid Cleaning

Warm acid cleaning should be performed when:

• Rejection rate has decreased by more than 5 percent from initial
value.

• Sufficient output flow is not obtained.

• As preventive measure when a softener is not used.

• As a method to remove transitional metals from the RO membrane
prior to chemical disinfection.

24

P/N 3027436 Rev. C

WRO 300 H

Regular Maintenance

Dissolve 100 ml of citric acid in 200 ml of product water from the
WRO 300 H. This will result in a 2 percent solution in the WRO 300 H.

Refer to Cleaning Procedure below.

NOTE

Other acid membrane cleaners may be used as an alternative cleaner
for the WRO 300 H. Follow the manufacturer’s guidelines to prepare
the cleaning solution.

3.3.2 Alkaline Cleaning

Alkaline cleaning should be performed when:

• Product performance is affected and cleaning with citric acid does
not improve performance.

• Organic fouling is suspected.

®

Use MINNCLEAN

Refer to Cleaning Procedure below.

TF according to manufacture’s instruction.

3.3.3 Cleaning Procedure

Step 1 Press until the display shows RUN. Wait until the product

water conductivity stabilizes and record the value. Press
until light goes out to stop the WRO.

Step 2 Follow the chemical disinfection procedure, but instead select

WARM CITRIC, or ALKALINE CLEAN in the CHEM SELECT
menu. Refer to Chemical Disinfection Procedure on page 19.

CAUTION

If the temperature is not achieved during Warm Acid cleaning,
alarm 407 INSUFFICIENT TEMPERATURE will appear and the
cleaning procedure has to be restarted.

NOTE

The container can be empty before the intake phase is finished.

3.3.4 Test for Residuals

Step 1 Press until light goes on, to start the WRO 300 H.

Indication will light and will flash.

Step 2 Collect a water sample from the product water line.

Step 3 The absence of cleaning chemical in the product water is

confirmed if the pH is within 1.0 pH unit of the feed water
value (checked with a suitable method) and if the conductivity
of the product water corresponds to the previously recorded
value.

P/N 3027436 Rev. C

25

Regular Maintenance

RINSE

hh:mm

Step 4 Confirm by pressing until light goes out. Indication

3.4 Long Term Storage

If the WRO 300 H will not be used for an extended period of time, reg­ular automated heat disinfection preset by the time channels, will main­tain the microbiological quality in the WRO.

3.4.1 Preservation

If automated heat disinfection is not possible to perform when the
WRO 300 H is taken out of operation for an extended period of time, a
chemical preservation must be done. For example, perform preserva­tion if electrical and water connections are disconnected.

3.4.1.1 Preservation agents

Use MEMSTOR and dissolve 100 ml in two liters of potable tap water.
Warm water (35-40°C) speeds up dissolution.

3.4.1.2 Preservation Procedure

Step 1 Follow the chemical disinfection procedure (refer to Chemical

WRO 300 H

remains lighted.

Disinfection Procedure on page 19) Step 2 to Step 12, but
instead select MEMSTOR in the CHEM SELECT menu.

CAUTION

If the conductivity limit is not achieved, alarm 406 INSUFFI­CIENT INTAKE will appear and the preservation procedure has

to be restarted.

Step 2 After Step 12: the display will show 404 RINSE REQUIRED

and the buzzer will now sound and the indications and

will flash. Press , or acknowledge the alarm

and the alarm list will be unlocked.

Step 3 Switch off the WRO 300 H with the mains power switch

behind the detachable cover.

3.4.2 Rinse After Preservation

Step 1 Turn on the WRO 300 H with the mains power switch behind

the detachable cover.

Step 2 The indication and flashes and the display shows

404 RINSE REQUIRED.

Step 3 Press until light goes on to initiate rinse.

26

P/N 3027436 Rev. C

WRO 300 H

Regular Maintenance

Step 4 When the rinse program is completed the display will show

PERFORM RESIDUAL TEST. The indication will remain

lighted and the will flash.

3.4.3 Check for Complete Rinse-out

The required rinse program in the WRO has been designed and vali­dated to ensure complete rinse-out of the preservation.

Step 1 Press until light goes on, to start the WRO.

Indication will light and will flash.

Step 2 Let the WRO run in normal operation for at least 5 minutes.

Then press or to show the conductivity value in the
display (within 15 seconds the display will return to PERFORM
RESIDUAL TEST). Check and verify that the product water
conductivity remains stable and constant.

Step 3 Confirm by pressing until light goes out. Indication

remains lighted.

Step 4 The WRO is now ready to use.

3.5 Flush

3.5.1 Manual Flush

This mode provides a short flush of the WRO at elevated flow rate (5
minutes preset).

Step 1 Press until SELECT appears

Step 2 Scroll with to select MANUAL FLUSH.

Step 3 Press to initiate Manual Flush (MANUAL FLUSH will be

displayed and will light).

3.5.2 Auto Flush

During standby, auto flush is regularly performed to exchange water in
the WRO, if enabled in preset. At specified intervals the water circu­lates in the WRO and some water goes to drain.

3.6 Exterior Cleaning

Wipe the outside of the WRO 300 H with a cloth moistened with etha­nol (70 percent) or isopropanol (60 percent).

NOTE

Do not use iodine-based or tenside-containing disinfectants as these
may crack or discolor the plastic materials.

P/N 3027436 Rev. C

27

WRO 300 H

Regular Maintenance

This page is blank.

P/N 3027436 Rev. C

28

WRO 300 H

4 Technical Data

4.1 Performance and Specification

Values

Output flow Minimum. 1.1 l/min

• at +10 °C feed water temperature

• at 0.15 MPa (22 psi) pressure in
the product water loop

Product water loop Maximum 2 metres (2 x 1 m) uninsu-

lated
Maximum 20 metres (2 x 10 m) insu-

lated*

*under the following conditions;

• MCP recommended insulation shall be used

Product water

• the minimum feed water temperature is +10 °C

• the minimum ambient temperature is +18 °C

Product water pressure 0.12 to 0.6 MPa (17 to 87 PSI) during

RUN mode (depending of the con­sumption from product water loop)

Quality Dependent on feed water quality. If

potable water is used, the following
rejection rates will be obtained:

• Total dissolved salts: >96% (based
on conductivity); at +10 °C feed
water temperature

• Bacteria and endotoxins: >99%

Technical Data

P/N 3027436 Rev. C

29

Technical Data

Water Supply

Drain

Values

Input Min. 3.0 l/min required

Feed Water Pressure During operation — there is an inlet

flow of water into the WRO unit.

0.15 to 0.3 MPa (22 to 45 PSI)

Maximum design pressure:

0.8 MPa (115 PSI)

If the feed water pressure exceeds 0.3
MPa (45 PSI), a flow regulator, order
number WTW522001001, should be
installed.

Feed Water Tempera­ture

Feed Water Quality Potable water should be used.

Hardness <0.3 °dH (6 ppm as CaCO

Iron <0.1 mg/l

Manganese <0.1 mg/l

Turbidity <1 JTU

Total dissolved salts
(TDS)

Fouling index (silt den­sity index)

Chlorine (total) <0.1 mg/l

Drain output flow dur­ing RUN mode

Height difference
between the drain hose
outlet and the WRO
300 H drain outlet.

Drain (length of hose) Maximum 5 m

Drain flow capacity Minimum 3.0 l/min required

Max temperature 85 °C

+5 to +30 °C

Particle filtration shall be used (< 5m)

Carbon filtration shall be used if water
is chlorinated, see limits below.

Membrane life expectancy might be
reduced if the unit is operated outside
of the following limits. For example,
additional maintenance such as clean­ing to remove scale from hard water
buildup may be required if the hard­ness level is exceeded.

)

3

<1500 mg/l

<5

1.2 ±0.1 l/min

Maximum 1.0 m

WRO 300 H

30

P/N 3027436 Rev. C

WRO 300 H

Tank Air Vent

Chemical
intake

Fluid
Connections

Conductivity
measurement
(Temperature
compensated)

Temperature
measurement

Technical Data

Values

This outlet connects the tank to the atmosphere.
This outlet must be connected with an air gap if plumbed to a

drain. If a hose is connected to the Tank air vent, the hose shall
have a constant slope.

NOTE

Air will move back and forth in this line because of the variation
of the level in the tank.

The machine is designed to bring in disinfectant-cleaning agent
through the chemical intake.

The maximum suction height from chemical intake is 600 mm.

Designed for flexible, reinforced tubing 8 mm x 2.5 mm (5/16"
I.D.)

The product water loop is designed for flexible, reinforced tubing
5 mm x 3 mm.

Operating range 1–500 µS/cm

Product water conduc­tivity

Feed water conductiv­ity

Operating range 0 to 105 ºC

Accuracy ±4 ºC

Accuracy ±10%

or ±10 µS/cm
Whichever is
greater

Operating range 10 - 2000 µS/cm

Accuracy ±10% or ±10 µS/

cm
Whichever is

greater

Reverse
osmosis
module

Membrane material Polyamide, thin film composite

Membrane configura­tion

Membrane pH toler­ance

Spiral wound

2 to 11

P/N 3027436 Rev. C

31

Technical Data

Power supply

Values

Mains Voltage 100 to 240 VAC (line voltage range 85

to 264 VAC)

Frequency 50 or 60 Hz (line frequency range 45

to 65 Hz)

Power Consumption
Max

Appliance inlet According to IEC 60320; C14

Cable Cable with protective earth

Mains plug North America type—100 and 115

Fuses 15 A slo blo (115 VAC)

Earth Leakage Current Max. 250 µA (220–240 VAC)

1500 W (100 VAC)
1380 W (115 VAC)
1850 W (220-240 VAC)

Conductor length max. 3.5 m
minimum 1 mm² (220-240 VAC)
AWG 16 at 100 and 115 VAC

VAC, Hospital grade, earthed plug,
type IEC 60 083; A5-15

15 A slo blo (100 VAC)

Max. 145 µA (115 VAC)
Max. 140 µA (100 VAC)

WRO 300 H

Connection of
external
equipment

Sound

External connector 8 pins REDEL, yellow.

Not used.

External connector 8 pins REDEL, black. RS-232

Max input voltage ±15 VDC

Logging interface

High level min
output voltage

Low level max
output voltage

Max Current ±5 mA DC

5.0 VDC

5.0 VDC

External connector 8 pins REDEL, green.

Not used.

Sound power level Less than 65 dBa during normal oper-

ation

32

P/N 3027436 Rev. C

WRO 300 H

4.2 Chemical Disinfection and Cleaning

The following disinfectants may be administered via the chemical
intake.

®

Cold Sterilant

Disinfection

Cleaning
agents

Preservation

Exterior
cleaning

• MINNCARE

• Other peracetic acid disinfectants, provided that they are
approved by the manufacturer for disinfection of thin film
composite reverse osmosis membranes made of modified
polyamide. Follow the manufacturer´s instructions for Use for
the specific disinfectant.

The following cleaning agents may be administered via the
chemical intake:

• Citric acid

•Minnclean® AC

•Minnclean® TF

•Acetic Acid (5%)

• Other cleaning agents may also be used, provided that they
are approved by the manufacturer for cleaning of thin film
composite reverse osmosis membranes made of modified
polyamide. Follow the manufacturer's instructions for use for
the specific cleaning agent.

The following preservations may be administered via the chemi­cal intake and feed water inlet:

• MEMSTOR ®

• MEMSTOR ® in combination with 9 % glycerol

•Formalin

• Ethanol (70%)

• Isopropanol (60%).

Technical Data

4.3 Physical Data

Measurements Values
Weight
Height

Depth

Width

Internal fluid
volume

33 kg (72.8 lb)

563 mm (22.2 inch)

Max 520 mm (20.5 inch)

Footprint 380 mm (15.0 inch)

Max 205 mm (8.1 inch)

Footprint 185 mm (7.3 inch)

Approximately 3.5 litres excluding the product water loop

P/N 3027436 Rev. C

33

Technical Data

4.4 Materials Contacting Product Water

Type Material

PA (Polyamide)
PEEK (Polyetheretherketone)
PEI (Polyetherimide)
PE (Polyethylene)

Polymers

Rubber

PFA (Fluorocarbon)
POM (Polyoxymethylene)
PP (Polypropylene)
PPS (Polyphenylensulphite)
PVC (Polyvinylchloride)
PVDF (Polyvinyliden fluorid)

Q (Silicone)

WRO 300 H

Metals
Others

Titanium
Stainless steel

Ceramic

4.5 Environmental Data

Ambient Temperature range +10 to +40 °C

Operation

Transportation
and storage

Relative Humidity range 30 to 85% RH

Air Pressure range 700 to 1060 hPa

Ambient Temperature range -10 to +40 °C

Relative Humidity range 10 to 95% RH

Air Pressure range 500 to 1060 hPa

For transportation and storage below the freezing point, the
WRO 300 H must be filled with a preservation solution of 2%
MEMSTOR, at least 9% glycerol and the remaining parts RO
water.

During transportation and storage the equipment must be kept
in its original packing. If transportation or storage time is more
than 15 weeks, the environmental data relating to the operation
must be followed.

If condensation occurs when moving the equipment between
locations with different temperatures and high relative humidity
(for example. outdoor and indoor locations), the inside of the
equipment must be allowed to dry before switching on the
equipment.

Value

34

P/N 3027436 Rev. C

WRO 300 H

Technical Data

4.6 Electromagnetic Environment

Value

The WRO 300 H is intended for use in the electromagnetic environment specified below.
The customer or the user of the WRO 300 H should assure that it is used in such an envi­ronment.

Emissions
test Compliance

RF emissions
CISPR 11

RF emissions
CISPR 11

Harmonic emis­sions IEC
61000-3-2

Voltage fluctua­tions/flicker
emissions IEC
61000-3-3

Immunity
test

Electrostatic
discharge
(ESD)IEC
61000-4-2

Surge IEC
61000-4-5

Voltage dips,
short interrup­tions and volt­age variations
on power sup­ply input lines.

IEC 61000-4-11

Power fre­quency

(50/60 Hz)
magnetic field
IEC 61000-4-8

Group1 The WRO 300 H uses RF energy only for its internal

Class B The WRO 300 H is suitable for use in all establish-

Class A (Not
applicable for
115 V vers io n)

Complies (Not
applicable for
115 V version)

IEC 60601
test level

±6 kV contact
±8 kV Air

±1 kV for differ­ential mode

±2 kV for com­mon mode

<5% U
dip in U
cycle

40% U
in U
cycles

70% U
in U
cycles

<5% U
dip in U
sec

3 A/m 3 A/m Power frequency magnetic fields

1

T

) for 0.5

T

(60% dip

T

) for 5

T

(30% dip

T

) for 25

T

(>95%

T

) for 5

T

(>95%

Electromagnetic environment —
guidance

function. Therefore, its RF emissions are very low
and are not likely to cause any interference in nearby
electronic equipment

ments, including domestic establishments and those
directly connected to the public low-voltage power
supply network that supplies buildings used for
domestic purposes

Compliance
level

±6 kV contact
±8 kV Air

1kV for differ­ential mode

± 2kV for com­mon mode

<5% U
dip in U
cycle

40% U
dip in U
cycles

70% U
dip in U
cycles

<5% U
dip in U
sec

(>95%

T

) for 0.5

T

(60%

T

) for 5

T

(30%

T

) for 25

T

(>95%

T

) for 5

T

Electromagnetic
environment—guidance

Floors should be wood, concrete
or ceramic tile. If floors are covered
with synthetic material, the relative
humidity should be at least 30%.

Mains power quality should be that
of a typical commercial or hospital
environment

Mains power quality should be that
of a typical commercial or hospital
environment.

should be at levels characteristic of
a typical location in a typical com­mercial or hospital environment.

P/N 3027436 Rev. C

35

Technical Data

d 1.2 P=

d 1.2 P =

d 2.3 P =

WRO 300 H

Value

Immunity
test

Conducted
RFIEC 61000­4-6

Radiated
RFIEC 61000­4-3

Radiated RF
mobile phones

IEC 60601
test level

3 Vrms
150 kHz to 80

MHz

3 V/m
80 MHz to 3.0

GHz

- 30 V/m Field strengths from fixed RF

Compliance
level

3 V Portable and mobile RF communi-

3 V/m

Electromagnetic
environment —guidance

cations equipment should be used
no closer to any part of the WRO
300 H, including cables, than the
recommended separation distance
calculated from the equation appli­cable to the frequency of the trans­mitter.

Recommended separation dis­tance,

where P is the maximum output
power rating of the transmitter in
watts (W) according to the trans­mitter manufacturer and d is the
recommended separation distance
in meters (m).

80 to 800 MHz

800 MHz to 2.5 GHz

transmitters, as determined by an

electromagnetic site survey
should be less than the compli­ance level in each frequency

5

range

.

Interference may occur in the vicin­ity of equipment marked with the
following symbol:

3

2

4

,

36

P/N 3027436 Rev. C

WRO 300 H

d

3.5
3

-------

P=

d

3.5
3

-------

P=

d

7
3

-- -

P=

d

7

30

----- -

P=

Technical Data

Value

Recommended separation distances between portable and mobile
RF communications equipment and the WRO 300 H

The WRO 300 H is intended for use in an electromagnetic environment in which radiated
RF disturbances are controlled. The customer or the user of the WRO 300 H can help pre­vent electromagnetic interference by maintaining a minimum distance between portable
and mobile RF communications equipment (transmitters) and the WRO 300 H as recom­mended below, according to the maximum output power of the communications equipment.

Rated
maximum
output
power of

Separation distance according to frequency of
transmitter (m)

150 kHz to
80 MHz

80 MHz to

800 MHz

6

800 MHz to
3 GHz

transmitter
W

0,01 0.11 0.11 0.23

0,1 0.37 0.37 0.74

1 1.2 1.2 2.3

10 3.7 3.7 7.4

100 12 12 23

Rated maxi­mum output
power of mobile
phone

2W GSM/3G - - 0.33

For transmitters rated at a maximum output power not listed above, the recommended sep­aration distance d in meters (m) can be estimated using the equation applicable to the fre­quency of the transmitter, where P is the maximum output power rating of the transmitter in
watts (W) according to the transmitter manufacturer.

--

1. NOTE: UT is the AC mains voltage prior to application of the test level.

2. NOTE: These guidelines may not apply in all situations. Electromagnetic propa­gation is affected by absorption and reflection from structures, objects and peo­ple.

3. NOTE: At 80 MHz and 800 MHz, the higher frequency range applies.

4. Field strengths from fixed transmitters, such as base stations for radio (cellular/
cordless) telephones and land mobile radios, amateur radio, AM and FM radio
broadcast and TV broadcast cannot be predicted theoretically with accuracy. To
assess the electromagnetic environment due to fixed RF transmitters, an elec­tromagnetic site survey should be considered. If the measured field strength in
the location in which the WRO 300 H is used exceeds the applicable RF compli­ance level above, the WRO 300 H should be observed to verify normal opera­tion. If abnormal performance is observed, additional measures may be
necessary, such as reorienting or relocating the WRO 300 H.

5. Over the frequency range 150 kHz to 80 MHz, field strengths should be less
than 3 V/m.

6. NOTE: At 80 MHz and 800 MHz, the separation distance for the higher fre­quency range applies.

P/N 3027436 Rev. C

37

Technical Data

4.7 Safety

WRO 300 H

The machine complies with the following standards:

IEC 60601-1 General requirements for safety, Class I, type B, and IPX1.

IEC 60601-1-2 Electromagnetic compatibility.

38

P/N 3027436 Rev. C

WRO 300 H

5 Troubleshooting

In alarm situations the message text will appear in the display. Only the

latest message will be visible in the display. By using the , or

the display will be unlocked and the alarm list can be scrolled.

The main view will reappear after a time period.

5.1 Alarms and Notifications

5.1.1 General

Alarm and

No.

notifications Definition

Troubleshooting

101 CONDUCTIVITY

SENSOR FAILURE

102 HIGH LEVEL SEN-

SOR FAILURE

103 : N INTERNAL

ERROR

104 INVALID WATER

LEVEL

1

WRO 300 H

Reason The initial conductivity system check failed.

Action

WRO 300 H WRO 300 H stops, buzzer sounds with Stop

Reason Failure of high level sensor in tank.

Action

WRO 300 H WRO 300 H stops, buzzer sounds with stop

Reason Control unit failure.

Action

WRO 300 H WRO 300 H stops, buzzer sounds with alarm

Buzzer sounds with alarm sound,

flashes, message text displays.

1 Press , or to silence

buzzer.

2 Check that the product water conductivity

is within normal range. If so, continue as
normal but notify technical personnel.

sound, flashes, message text displays.

1 Press , or to silence

buzzer.

2 Notify technical personnel.

sound, flashes, message text displays.

1 Press , or to silence

buzzer.

2 Restart unit, or notify technical personnel.

sound, flashes, message text displays.

1. The number (N) shown before the alarm text identifies which specific kind of

alarm that has occurred. Reference list for those number refer to Service Man-

ual.

P/N 3027436 Rev. C

Reason Failure of level sensors in tank

Action

1 Press ,

buzzer.

2 Check that no water has flooded from

Tank air vent.

3 The WRO 300 H can be restarted by

pressing .

4 Otherwise notify technical personnel.

or to silence

39

Troubleshooting

5.1.2 Operation

No.

WRO 300 H

Alarm and
notifications Definition

201 CONDUCTIVITY

NOTIFICATION

202 CONDUCTIVITY

ALARM

203 CONDUCTIVITY

STOP

WRO 300 H When entering standby mode, buzzer sounds

with notification sound, flashes, message

text displays.

Reason The conductivity value has exceeded the notifi-

cation limit for more than 30 consecutive sec­onds during previous run period.

Action

WRO 300 H

Reason The conductivity value has exceeded the alarm

Action Before treatment:

WRO 300 H WRO 300 H stops, buzzer sounds with alarm

1 Press , or to silence buzzer.

2 Perform cleaning according to local proce-

dures.

3 If problem persists notify technical person-

nel.

Buzzer sounds with alarm sound, flashes,

message text displays.

limit for more than 30 consecutive seconds.

1 Press , or to silence buzzer.

2 Note down the conductivity value.
3 Continue treatment.
After treatment:

1 Inform responsible medical staff according

to local procedures.

2 Notify technical personnel for further

actions.

sound, flashes, message text displays.

40

204 INSUFFICIENT

WATER SUPPLY

Reason The conductivity value has exceeded the stop

limit for more than 30 consecutive seconds.

Action

WRO 300 H

Reason Lack of feed water.

Action 1 Check the feed water supply.

1 Press , or to silence buzzer.

2 Inform responsible medical staff according

to local procedures.

3 The WRO 300 H can be restarted by press-

ing . It will stop again if the problem per-

sist.
4 If problem persists discontinue dialysis.
5 Notify technical personnel.

WRO 300 H stops, flashes fast, message
text displays.

2 Notify technical personnel.

P/N 3027436 Rev. C

WRO 300 H

Alarm and

No.

notifications Definition

Troubleshooting

205 LOW REJECTION

RATE

206 LOW PRODUCT

FLOW

5.1.3 Heat

WRO 300 H When entering standby mode, buzzer sounds

with notification sound, flashes, message

text displays.

Reason Decreased membrane performance.

Action

WRO 300 H When entering standby mode, buzzer sounds

Reason The product water flow is below the preset noti-

Action

1 Press , or to silence buzzer.

2 Perform cleaning according to local proce-

dures.
3 If problem persists notify technical person-

nel.

with notification sound, flashes, message

text displays.

fication limit which indicates that the perform­ance of the membrane is reduced.

1Press ,

2 Perform cleaning according to local proce-

dures.
3 Notify technical personnel.

or to silence buzzer.

Alarm and

No.

notifications Definition

301 INSUFFICIENT

HEAT

302 INSUFFICIENT

WATER SUPPLY

WRO 300 H WRO 300 H stops, buzzer sounds with

alarm sound, flashes, message text

displays.

Reason Power failure.

Action

WRO 300 H WRO 300 H stops, buzzer sounds with

Reason Lack of feed water.

Action

1 Press , or to silence

buzzer.

2 Press until light goes on. The

WRO 300 H either goes to standby or an
active Cooldown.

alarm sound, flashes, message text

displays.

1 Press , or to silence

buzzer.
2 Check the feed water supply.
3 Check for leakage.
4 Restart by pressing .

P/N 3027436 Rev. C

5 Notify technical personnel if problem per-

sists.

41

Troubleshooting

Alarm and

No.

notifications Definition

303 OVERDUE HEAT WRO 300 H When entering standby mode, buzzer

sounds with notification sound, flashes,

message text displays.

Reason Heat disinfection procedure is activated

automatically by time channel settings but
cannot be started because the WRO 300 H
is not in standby mode.

304 INCORRECT

WATER LEVEL

Action

WRO 300 H WRO 300 H stops, buzzer sounds with

Reason Water level in tank is lower than expected.

Action

1 Press , or to silence

buzzer.
2 Activate heat disinfection procedure

manually. Refer to Heat Disinfection on

page 17.

alarm sound, and flashes, mes-

sage text displays.

1 Press , or to silence

buzzer.
2 Check that the dialysis machine is turned

off.

3 Press until the WRO 300 H either

goes to standby or an active cooldown.
4 If the problem still persists notify techni-

cal personnel.

WRO 300 H

5.1.4 Chemical, Cleaning, Rinse and Preservation

Alarm and

No.

notifications Definition

401 REMOVE WAND WRO 300 H

Reason Wand connector not removed after completion

Action

402 INSUFFICIENT

WATER SUPPLY

WRO 300 H WRO 300 H stops, buzzer sounds with alarm

Reason Lack of feed water.

Action

Buzzer sounds with alarm sound, flashes,

message text displays.

of chemical intake.

1 Press , or to silence buzzer.

2 Remove wand from disinfectant intake port.

sound, flashes, message text displays.

1 Press , or to silence buzzer.

2 Check the feed water supply.
3 Check for leakage.
4 Restart by pressing .

5 Notify technical personnel if problem per-

sists.

42

P/N 3027436 Rev. C

WRO 300 H

Alarm and

No.

notifications Definition

Troubleshooting

403 HIGH CONDUC-

TIVITY RINSE

404 RINSE

REQUIRED

405 INCORRECT

WATER LEVEL

WRO 300 H

Reason Conductivity value is above conductivity notifi-

Action

WRO 300 H

Reason The WRO is filled with chemicals.

Action

WRO 300 H WRO 300 H stops, buzzer sounds with alarm

Reason Water level in tank is lower than expected.

Action

Buzzer sounds with alarm sound, flashes,

message text displays.

cation limit after a prolonged rinse.

1 Press , or to silence buzzer.

2 Perform an extra rinse by pressing

until rinse starts.

3 If problem persists notify technical person-

nel.

Buzzer sounds with alarm sound, and

flashes, message text displays.

1 Press , or to silence buzzer.

2 Perform rinse by pressing until rinse

starts.

sound, and flashes, message text

displays.

1 Press , or to silence buzzer.

2 Check that the dialysis machine is turned

off

406 INSUFFICIENT

INTAKE

3 Press to restart.
4 If the problem persists notify technical per-

sonnel.

WRO 300 H

Reason The product water conductivity is below the

Action

Buzzer sounds with alarm sound,

flashes, message text displays.

minimum intake conductivity limit.

1Press ,

2 If the disinfection wand is inserted and

is pressed a second intake phase is started.

3 If the disinfection wand is not inserted and

is pressed the WRO continues to

dwell period.

or to silence buzzer.

and

P/N 3027436 Rev. C

43

Troubleshooting

No.

WRO 300 H

Alarm and
notifications Definition

407 INSUFFICIENT

TEMPERATURE

408 INSERT WAND WRO 300 H WRO 300 H stops, buzzer sounds with alarm

WRO 300 H

Reason The temperature during Warm acid cleaning

Action

Reason A central chemical disinfection has been initi-

Action

Buzzer sounds with alarm sound, flashes,

message text displays.

has not reached above the preset limit.

1Press ,

2 Notify technical personnel.

sound, flashes, message text displays.

ated via the remote control and the disinfection
wand is not inserted.

1Press , or to silence buzzer.

2 Insert the disinfection wand to continue the

central chemical disinfection procedure.

or to silence buzzer.

5.2 Boot Loader

This alarm indicates that the software is corrupt.

Alarm and

No.

notifications Definition

LOAD APPLICA­TION FAILED

WRO 300 H LOAD APPLICATION FAILED is

shown on the display.

Reason Software malfunction.

Action Notify technical personnel.

44

P/N 3027436 Rev. C

WRO 300 H

Check List

6 Check List

Serial no

Check conductivity with separate instrument

Feed water Product water Reject

Date

Hours in operation

Conductivity S/cm

Temp °C

Conductivity S/cm

Flow l/min

Flow l/min

Rejection rate %

Remarks

P/N 3027436 Rev. C

45

Check List

WRO 300 H

This page is blank.

46

P/N 3027436 Rev. C

WRO 300 H

Index

Index

A

Acid cleaning . . . . . . . . . . . . . . . . . . . . 24

Alarm Types

Alarm

. . . . . . . . . . . . . . . . . . . . . . . 10

Info . . . . . . . . . . . . . . . . . . . . . . . . . 10

Notification
Stop

Alarm types . . . . . . . . . . . . . . . . . . . . . 10

Alarms and notifications

Chemical

General . . . . . . . . . . . . . . . . . . . . . 39

Heat
Operation
Preservation

Rinse . . . . . . . . . . . . . . . . . . . . . . . 42

Alkaline cleaning
Auto flush

. . . . . . . . . . . . . . . . . . . 10

. . . . . . . . . . . . . . . . . . . . . . . . 10

. . . . . . . . . . . . 39

. . . . . . . . . . . . . . . . . . . . 42

. . . . . . . . . . . . . . . . . . . . . . . . 41

. . . . . . . . . . . . . . . . . . . . 40

. . . . . . . . . . . . . . . . . . 42

. . . . . . . . . . . . . . . . . 25

. . . . . . . . . . . . . . . . . . . . . 9, 27

B

Boot loader . . . . . . . . . . . . . . . . . . . . . 44

Buttons

. . . . . . . . . . . . . . . . . . . . . . . . . 12

C

Central Chem . . . . . . . . . . . . . . . . . . . . 24

Check list . . . . . . . . . . . . . . . . . . . . . . . 45

Chemical disinfection

Central Chem

Cleaning . . . . . . . . . . . . . . . . . . . . . 24, 42

Acid

. . . . . . . . . . . . . . . . . . . . . . . . 24

Alkaline

Complete rinse-out . . . . . . . . . . . . . . . 27

Conductivity

Alarm

. . . . . . . . . . . . . . . . . . . . . . . 11

Monitoring

Notification . . . . . . . . . . . . . . . . . . . 10

Stop

. . . . . . . . . . . . . . . . . . . . . . . . 11

. . . . . . . . . . . . . . . . . 24

. . . . . . . . . . . . . . . . . . . . . . 25

. . . . . . . . . . . . . . . . . . . 10

M

Mains power switch . . . . . . . . . . . . . . . 12

Maintenance

Chemical disinfectants

Chemical disinfection . . . . . . . . . . . 18

Heat Disinfection

Manual Flush

. . . . . . . . . . . . . . . . . . . . . 17

. . . . . . . . . . 19

. . . . . . . . . . . . . . 17

. . . . . . . . . . . . . . . . . . . . 27

O

Operation . . . . . . . . . . . . . . . . . . . . . . . 15

Start

. . . . . . . . . . . . . . . . . . . . . . . . 15

Stop

. . . . . . . . . . . . . . . . . . . . . . . . 15

Operational data

Operator’s panel . . . . . . . . . . . . . . . . . . 12

. . . . . . . . . . . . . . . . . . 14

P

Preservation . . . . . . . . . . . . . . . . . . . . . 26

Preservation Procedure

. . . . . . . . . . . . 26

R

Reminders . . . . . . . . . . . . . . . . . . . . . . 14

Residual test

Chemical disinfection

Cleaning . . . . . . . . . . . . . . . . . . . . . 25

Restart

. . . . . . . . . . . . . . . . . . . . . . . . . 22

Rinse

Preservation

. . . . . . . . . . . . . . . . . . 26

. . . . . . . . . . . 23

T

Technical data . . . . . . . . . . . . . . . . . . . 29

Chemical disinfection and Cleaning

Environmental data . . . . . . . . . . . . . 34

Performance and specification
Physical data
Safety

Troubleshooting . . . . . . . . . . . . . . . . . . 39

. . . . . . . . . . . . . . . . . 33

. . . . . . . . . . . . . . . . . . . . . . . 38

33

. . . . 29

E

Exterior cleaning . . . . . . . . . . . . . . . . . 27

F

Flash indications . . . . . . . . . . . . . . . . . 13

I

Indications . . . . . . . . . . . . . . . . . . . . . . 13

Intended use

Interrupt . . . . . . . . . . . . . . . . . . . . . . . . 22

. . . . . . . . . . . . . . . . . . . . . 9

L

Long time Storage . . . . . . . . . . . . . . . . 26

Low rejection rate

Notification

P/N 3027436 Rev. C

. . . . . . . . . . . . . . . . . . . 11

W

Warm Acid cleaning . . . . . . . . . . . . . . . 24

47

Index

WRO 300 H

This page is blank.

48

P/N 3027436 Rev. C

Mar Cor Purification
4450 Township Line Road
Skippack, PA 19474-1429
Tel: [phone]
Toll Free: [phone]
Fax: [phone]

Mar Cor Purification
14550 28th Avenue North
Plymouth, MN 55447
Tel: [phone]
Toll Free: [phone]
Fax: [phone]

Visit http://www.mcpur.com or call 1-800-633-3080 for more information.

Mar Cor Purification
1119 Paulsun Street
San Antonio, TX 78219
Tel: [phone]
Toll Free: [phone]
Fax: [phone]

Mar Cor Purification
160 Stedman Street
Lowell, MA 01851
Tel: [phone]
Toll Free: [phone]
Fax: [phone]

©2012 Mar Cor Purification, Inc.
All rights reserved
P/N 3027436 Rev. C

Mar Cor Purification
6351 Orangethorpe Ave.
Buena Park, CA 90620
Tel: [phone]
Toll Free: [phone]
Fax: [phone]