Cocoon CWS 4000 User manual

COCOON

Essential

care

before,

during

and

after

TM

surgery.

Convective

Warming

Machine

PS

CE

Model SERVICE

Distributed

CARE

Unit

Me

Email

Web

by

ESSENTIALS

62,

170

Waverley

queries@careessentials www.careessentials

Forster

Vic

3149

CWS

PTY

LTD

Road

Australia

com.au

comau

4000

MANUAL

National

Phone

Fax

03

9562

7713

7714

International

Phone

Fax

+61 3 9562

7713

7714

Designed

manufactured

in

&

Australia.

Care

Essentials

Pty

Lid

CONTENTS

IN

2.

OPERATION.

21.

2.2、

2.3. 24

3.

SAFETY

A

3.2.

3.3.

34.

4.

PREVENTATIVE

4.2.

4.3.

4.4.

4.5.

O

UnitSetup..........

Getting

Unit Symbols

O

Stared

Operation

нина

νν

νο ντ

Procedure

νο

νο νε

нина

ντε τ εεττ ο ο

εκτ

κκωκκκεν

εεττ

τετ

κκκωννωνν

εεττ

τετ

nm

00000

ετεκ

eee

PRÉCAUTIONS

Warmnnd

Caution.................................................

Electromagnetic

Interference..........................

MAINTENANCE

O

Electrical

Performance

Temperature Filter

Replacement

Safety

Inspection

Limit

Inspection

Thermostat

eee

Test

eee

Procedure

111

en

eee

ee

nene

ee K K K K

…............................................

eee

nenene

AA K KA

iii

κκ

κκν

τε

κε

eneret

nenene

iii

KA P P

111111

ーー

εεττ ετεκ

κε

κας

esserne

nene

ON

KKK

κκεεεεκκκας

8.

ener

nenene

nene

nné

eee

ekk k 8

ининининнни

10

лиинннни

12

2 4

4

5

5 6

7 7

7

7 7 8 8

9

5.

TROUBLESHOOTING…

5.1.

5.2.

53.

6.

6.1.

6.2.

6.3...

7.

7.1.

7.2.

8.

8.1.

8.2.

8.3.

Warming

Standby

EguipmentRepairs..............................................

SCHEMATIC

Control

Sensor

System

BOARD

Control

Sensor

SCHEMATIC

Control

Sensor

System

INC

9.1.

General

Blanket

Indicator

DIAGRAM

Boargd

Board

Block

COMPONENT

Board...

Board

DIAGRAMS

Board Board

Block

li Assembly

せ

Will

Not

Will

Not

DESCRIPTION

Diagram.................

LEGENDS

Schematic

Schenmatic

Diagram

Inflate

Light

νε

.Nt

Diagram

irei

нии

ινε

εντ

ετων

ωνκκεε

εεττ

λε

εντ

τε

κε

ενεωκκκεεκκεεεεεε

… せ

… せ … せ

....................

ーー

トーーーーーーーーーーーーー

nm...

нии

m.

KG

e

eee

ee

R

RKK

εεττ

εκ

Rana

eee

eh

κτ

εεττ

ετεκ

ини

KE

KAP

ae

κκκκκ

κε ε τε

nn

hh

hn

ue

i

reeeen

κκ

κος

nn nn

εκ

κκαν

nn

13

13 14

15

15 16 16

17

18

18 19

20 21 21

9.2.

9.3.

10.

11.

12.

Control Sensor

WARRANTY

Board...

Board...........................

EEE

ee

KEE

HHK

H K

KKK

SPECIFICATIONS............................................

APPROVALS

KEE

nr

ero

rcncnncoinnnnos

нии

22 23

23 24 25

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

1.

It information Manual

When

provides a continuous hypothermia. blanket. A connecting

INTRODUCTION

is a pre-requisite

contained

and

all

precautions

used

with

Care

The

Cocoon

for

all

persons

in

this

Manual.

prior

Essentials

method

hose

of

Convective

conducts

skilled

Read

to

servicing

patient

warming

Warming

heated

in

servicing and

understand

the

warming

patients

air

from

medical

Cocoon

blankets,

and

is

System

consists

the

devices

this

Manual

Convective

the

Care

intended

of a CWS4000

CWS4000

to

understand

and

Warming

Essentials

for

preventing

to

the

warming

the

Operator

System.

CWS4000

and

and a warming

blanket.

treating

Care

Essentials

and

performance

The

CWS4000

flow

of

temperature-controlled

temperature

37°C,

drops below

Air

CWS4000

is

drawn

40°C,

to

43°C

the

ambient

includes a number

temperature

This

Manual Cocoon personnel.

the

Distributor

person

Warming

This

CWS4000.

or

without

recommend

inspections

is a mains-powered,

of

the

air

delivered

43°C,

into

or

after

10

temperature

the

fault

condition

presents

System.

information

It

is

provided

CWS4000

the

specific

46°C.

minutes.

rear

of

all

the

owner

Figure 1 Convective that a program

be

instituted

microprocessor-controlled

air

through a flexible

to

the

of

for

blanket

the

When a temperature

The

CWS4000

of

the

room.

the

CWS4000

of

under-

it

automatically

relevant

This

information

is

intended

as

Commercial-In-Confidence

and

shall not

written

permission

and

shuts

service

is

for

the

over-temperature

information

provided

be

of

Warming

regular

CWS4000

hose

can

be

of

46°C

will

not

passes

down

fair

purposes

made

Care

System

routine

set

cool

through a bacteriological

and

as a service

available Essentials.

maintenance,

as

described

device

to

the

warming

to

one

is

selected,

the

air

prevention

signals

for

the

Care

of

operation

material

to

that

of

six

settings:

the

delivered

an

alarm.

Essentials

to

engineering

to

the

any

other

electrical

in

Section 4 below.

delivers a continuous

blanket.

setting

to

systems

and

maintenance

Care

organization

safety

The

ambient,

34°C,

automatically

the

blanket

HEPA

Essentials

filter.

and

in

CWS4000

and

technical

The

a

of

or

Revision

|

13

June

2006

Page

2

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

While

responsibility

product

without

If

or

details

you,

this

every

attempt

is

improvement

notice.

as a user

Manual,

are

located

has

taken

for

and

of

this

your

communication

on

the

been

made

any

errors

product

manual,

first

page

to

ensure

or

omissions.

specifications

have

any

relevant

with

Care

of

this

Manual.

this

Manual

Care

Essentials

and

component

comments

Essentials

is

accurate

would

has a policy

types

or

questions

be

welcomed.

and

are

subject

about

complete,

of

continuous

to

the

Our

contact

no

change

CWS4000

Revision

|

13

June

2006

Page

3

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

2.

The brackets,

mount

bed

could

IV

OPERATION

2.1.

CWS4000

the

surface.

reduce

Pole

Clamp

Unit

may

or

clamped

CWS4000

Note

filter

Setup

be

to

higher

that

life.

placed

an

IV

than 1 metre

if

the

CWS4000

on

pole

the

using

floor,

the

or

is

placed

mounted

IV

pole

it

could

on

the

clamp.

tip

over.

the

floor,

foot

of

When

Do

not

increased

the

bed

using

place

using

an

IV

the

levels

the

foldout

pole,

do

CWS4000

of

dust

not

and

ona

lint

maximum

Revision

Figure 4 Pole

I

13

June

mounting

2006

height

limit

Page

4

Care

Essentials

Output

Seiection

Temperature

Indicators

F

CWS4000

Cocoon

Warming

System

Service

|

Symbols See

section

Fault

Manual

Alarm

2.4

Indicator

Standby

Ambient

Standby

Temperature

Output

Ambient

Indicator

A+

Button

Temperature

Output

2.2.

Plug

the

mains socket-outlet CWS4000

Ensure objects.

will

that

air

Indicator

Getting

cable

and

switch

beep

when

is

not

Figure 5 Operator

Started

into a conventional,

it

on.

The

green

power

prevented

is

connected.

from

entering

properly

Standby

the

control

earthed

indicator

inlet

slots

panel

240

(B)

at

the

Volt

will

sides

10

Amp

mains

illuminate

by

blankets

Filter

Output

temperature

selection

power

and

the

Status

buttons

or

other

Indicator

Remove

the into

Select temperature

the

patient.

the

air

inlet

2.3.

the

desired

warming

Connect

Unit

selection

appropriate green

temperature may

at

each

setting,

blanket

or

46°C

or temperature

CWS4000

maximize

The

internal

minutes.

This

depending

sheet

is

supplying

the

efficiency

timer

46°C.

Switch illuminate

The will

the

unit

when

unit

will

automatically

illuminate

off

the

together

blanket

the

port.

Operation

temperature

buttons

or

yellow

be

selected

that

is

used

settings,

warm

and

will

automatically

can

be

by

pressing

unit

is

with

air

delivery

light

upon

over

air.

minimize

reset

off. switch

the red

from

its

packaging.

hose

Procedure

on

the

control

(E)

or

(D or

F)

at

any

time.

ambient

the

warming

place

your

Place a sheet

the

decrease

by

momentarily

the

Standby

off

in

an

Fault

to

the

Ambient

will

indicate

The

air

temperature

hand

heat

the

Button

alarm

Alarm

Unfold

warming

panel

pressing

Temperature

air

temperature

blanket. under

loss

or

blanket

from

the

temperature

selecting

(A).

condition indicator

the

When

warming

the

The

the

warming

blanket

either

Output

selected

surrounding

and

the

using

over

the

system.

setting

another

green

and

the

(H).

In

blanket and

by

pushing

one

of

Button

temperature

quality

blanket

of

the

34°C, 37°C,

to

inflated

from

setting

and

Standby

green

the

Standby

event

the

plastic

the

Output

(C). setting.

the

patient

the

insulating

confirm

warming

46°C

to

then

indicator

the

Fault

place

it

over

fitting

The

Another

will

vary

40°C,

43°C

43°C,

that

the

bianket

after

to

re-selecting

(B)

will

indicator

(B)

Alarm

10

Revision

|

13

June

2006

Page

5

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

indicator supply

The indicator

Indication Steady Steady orange

Flashing Steady

(H)

and

Filter

is

green

orange

red

2.4.

The

following

个

illuminates,

have

it

serviced

Status

interpreted

indicator

as

indicator

indicator | Filter

indicator

Symbols

symbols

are

Attention:

disconnect

by

trained

(G)

provides

follows:

Description Filter

status life

life

Filter

used

life

on

the

consult

the

CWS4000

personnel.

the

user

normal

has

reached

has

reached

has

exceeded

CWS4000:

accompanying

from

with

950

990

1000

hours

documents

the

patient

information

hours

and

from

on

remaining

requires

the

mains

filter

life.

replacing

power

This

A

16°C - 29°C

Dangerous

Type

BF

Ambient

voltage

applied

operating

part

temperature

range,

indoor

use

only

Revision

|

13

June

2006

Page

6

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

3.

Review

SAFETY

3.1.

e

Explosive

e

Risk

3.2.

e

Ensure connector

e

The

biomedical

for

servicing

CWS4000

e

Ensure inspections.

e

Inthe event disconnected

e

Use

the

following

hazard.

of

electric

that

located

CWS4000

the

only

in

PRECAUTIONS

safety

Danger

Do

shock.

Warning

no

direct

or

indirect

on

the

must

only

electronics

medical

or

malfunction

CWS4000

of

excess

from

accordance

devices,

the

precautions

not

use

in

Disconnect

contact

rear

of

the

be

opened

technicians

and

could

otherwise

is

subjected

fluid

contact

mains

with

power

Operator

prior

the

presence

mains

is

made

CWS4000.

or

serviced

or

certified

in

accordance

to

the

with

the

supply

Manual

to

servicing

of

flammable

power

specified

before

between

clinical

result.

CWS4000

and

checked

by

with

instructions.

the

CWS4000.

servicing

the

patient

qualified

engineers

the

Service

routine

electrical

it

is

recommended

by

anaesthetic

the

CWS4000.

and

the

communications

personnel

familiar

qualified

such

Manual.

safety

personnel.

agents.

as

with

repair

Damage

and

that

the

certified

practices

to

the

performance

unit

be

3.3.

e

Operate conditions

ο

When

e

The

46°C

circulation.

e

It

is

not

life

period.

3.4.

The

CWS4000 equipment — Part compatibility — Requirements

vicinity

other It

electromagnetic interference keeping

will

equipment

is

recommended

interconnecting

Caution

the

CWS4000

and

as

detailed

using

an

IV

pole,

setting

recommended

is

Electromagnetic

has

been

1:

General

not

be

affected

in

the

vicinity

that

compatibility

is

evident

or

not

designed

all

disruptive.

leads

only

in

the

in

Section

do

not

mount

recommended

that

the

unit

Interference

to

requirements

and

tests)

by

the

electromagnetic

may

affect

equipment

requirements

as

short

specified

11

below.

the

CWS4000

for

patients

be

operated

comply

used

Increasing

as

with

for

but

this

the

operation

near for

possible

supply

after

IEC

safety.

does

emissions

the

CWS4000

that

equipment

the

distance

will

voltage

higher

who

601-1-2:2004

2.

Collateral

not

of

help

range

than 1 metre

are

non-responsive

the

filter

guarantee

from

the

CWS4000.

comply

and

between

reduce

and

environmental

has

exceeded

(Medical

standard:

that

other

the

CWS4000.

with

to

check offending

the

effect.

or

it

could

tip

or

with

impaired

the

specified

electrical

electromagnetic

equipment

Similarly,

the

relevant

before

use

that

devices, and

over.

in

the

no

Revision

|

13

June

2006

Page

7

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

4.

PREVENTATIVE

4.1.

e

Clean

dampened

e

Clean

the

accumulated

4.2.

Care

Essentials

Information

technical

In

Australia,

e

standards.

AS3551

This

standard

for

medical

and

routine

safety AS2500

This equipment

patient

and

standard

and

installations

MAINTENANCE

Cleaning

CWS4000

with a non-staining

Electrical

recommend

on

the

type

the

relevant

Technical

specifies

devices.

testing

performance

Guide

provides a comprehensive

used

operator

to

be

of

to

in

health

used

dirt

and

Some

the

safety,

control

and

Safety

that

frequency

technical

management

procedures

medical

testing.

safe

care

for

panel,

lint

enclosure

hospital

from

the

Inspection

the

CWS4000

of

standards

programs

required

of

these

use

including

particular

include

devices.

of

electricity

facilities.

medical

exterior,

disinfectant.

air

inlet

slots

receive

inspections

are:

for

medical

to

develop

procedures

This

standard

in

patient

guide

Measures

details

of

to

the

procedures.

and

hose

using a vacuum

regular

may

be

obtained

devices.

equipment

for

acceptance,

specifies

care.

the

safe

use

are

detailed

classes

of

with a soft

electrical

safety

from

management

electrical

of

electrically

to

provide

equipment

cloth

cleaner.

inspections.

locally

fault

management

safety,

operated

and

maintain

and

electrical

lightly

published

programs

essential

Programmed patient

apply.

safety.

electrical

Mandatory,

safety

statutory

inspections

requirements

are

essential

to

for

electrical

confirm

safety

continued

inspections

operator

may

and

also

Revision

|

13

June

2006

Page

8

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

4.3.

Care

Essentials inspection calibration.

Items e

CWS4000

»

Digital

STEP

1

2

3

4

to

Required:

Thermometer.

If

you

have

e

Place

e

Do

e

Connect

Familiarise

the

CWS4000

The

temperature

e

Ensure

e

Ensure condensing.

e

Place Figure

«

Check set

e

Check

e

Note possible

will

compressed

Performance

recommend

verify

CWS4000

Operator & Service

not

already

the

CWS4000

not

connect

the

CWS4000

yourself

Operator

control

the

delivery

that

the

digital

6.

that

the

temperature

temperature.

that

the

temperature

that

some

because

depend

on

the

or

extended.

that

done

on a firm,

the

delivery

with

the

and

system

hose

environmental

thermometer

variation

of

heat

ambient

Inspection

the

CWS4000

functions.

so,

read

hose

to

mains

operation

Service

is

cover

of

between

loss

temperature

The

Manuals.

the

level

surface.

to a warming

power.

of

the

Manuals.

verified

is

undamaged

conditions

sensor

in

delivered

the

set

that

occurs

receive

CWS4000

PROCEDURE

CWS4000

as

follows:

and

are

20°C

the

centre

air

stabilises

air

corresponds

temperature

in

the

and

the

Operator

blanket.

by

operating

that

it

to

22°C,

of

the

within

and

delivery

degree

to

at

least

does

not

and

Service

covers

the

30%

to

delivery

five

(5)

with

the

set

temperature

hose.

The

which

the

an

annual

require

Manuals.

the

CWS4000

entire

70%

relative

hose

outlet

minutes

temperature

of

magnitude

hose

performance

adjustment

with

reference

hose.

humidity,

as

shown

in

following a change

to

within

delivered

is

air

is

of

the

heat

longitudinally

or

to

non-

in

+2°C.

loss

Revision

Figure 6 Delivery

|

Temperature

hose

outlet

13

June

Sensor

showing

2006

temperature

sensor

position

Page

9

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

4.4.

The the CWS4000 performance

The series-connected exhaust exceed a predetermined remove automatically

This various temperature

that

delivery less the performed

Items

Temperature

CWS4000

discretion

maximum

air

power

test

procedure

items

switches

hose

than 8 minutes

test

may

Required:

e

CWS4000

temperature

of

temperature

inspection.

delivered

stream

from

restoring

required

of

46°C

the

air

be

as

at

an

those

bimetallic

and

the

may

until

heater

temperature

after

high

ambient

Operator

Limit

responsible

power

to

Thermostat

limit

thermostat

limit

thermostat

air

temperature auto-resetting

will

interrupt

limit.

Either

CWS4000

when

be

briefly

perform

it

has

“warmed

on

continuously,

are

the

test

as

60°C.

temperature

and

Service

Test

test

for

the

technical

function

is

not

thermostats.

power

of

if

the

described

the

to

these

delivered

thermostat

test.

The

up.”

the two

as

The

simulating a possible

monitored. The

start.

The

delivery

Note

that

this

of

21°C,

Manuals.

Procedure

is

completely

management

does

not

only

limited

These

CWS4000

independently

air

exceeds a preset

temperature

follows.

CWS4000

test

or

greater.

test

is

hose

will

The

is

passed

only

optional

of

the

require

by

is

commenced

air

adjustment,

the

control

thermostats

should

CWS4000

energised

temperature

produce a valid

the

operating

fails

fault

condition.

if

the

and

may

be

performed

CWS4000.

system

are

output

thermostats

high

limit

to a safe

is

set

and

operated

through a special

CWS4000

at

the result

The

calibration

but

by

located

air

temperature

temperature,

level.

up

with

The

test

is

de-energised

conclusion

if

it

or

two

in

the

will

the

at a set

process

time

of

is

at

and

In

the

Care

A.

C.

e

Personal

Terminal

e

Digital

e

CWS4000

The

Cocoon

test

cable.

This

cable

Details

B.

of

Machines

event

Essentials

Computer

program,

Thermometer.

RS232-Logic

Warming

is

for

the

three

with

you

need

Pty

Ltd.

(PC)

eg

Machine

over

versions

Serial

to

access

with a free

HyperTerminal™,

Communications

model

temperature

are:

Numbers

any

CSW4000

performance

commencing

of

these

serial

communications

which

Cable

4-0001

4-0100

4-0200

cables

is

provided

can

have

testing.

please

with

three

Yellow

Red

Green

contact

(Com)

Microsoft

different

Dot

your

location

port

and a suitable

Windows™,

versions

Distributor

for

the

or

Revision

|

13

June

2006

Pade

10

Care

Essentials

STEP

1

If

you

have

not

already

all

of

this

2

e

3

e

e e e

4

Place

above.

5

e e

e

6

While as

e

e e

e

7

Follow

e

e e e

e

8

e

9

Confirm in

Section

procedure.

Place

the

CWS4000

Do

not

connect

Disconnect

Locate

the

enclosure

Locate

the

small

Insert

the

cable

Insert

the

cable

the

digital

Connect Select

Operate

commencing

follows:

Select

Baud

Terminal

Append

When a correct received

Press

Press The To

To The

minutes.

Confirm

Disconnect

the

46°C

the

CWS4000

the

Com

rate — 9600,

emulation — VT100,

line

the

instructions

every

the

spacebar

“T”

to

46°C

temperature

initiate

the

stop

the

test,

CWS4000

that

the

that

the

CWS4000

4.3

above.

the

CWS4000

black plug D-connector

thermometer

CWS4000

temperature

CWS4000

the

thermostat

is

port

feeds

shown

connection

second.

display

over-temperature

press

is

deemed

the

thermostat

CWS4000

cable

done

so,

read

on a firm,

PVC

delivery

from

rear with

cable

socket

into

the

socket. into a free

sensor

to

mains

setting.

on

the

46°C

test.

“warming

connected

data

to

incoming

to

the

from

up”,

bits — 8,

character

on

the

is

established

display

the

over-temperature

setting

must

any

key

to

have

resets

from

the

CWS4000

functions

CWS4000

PROCEDURE

the

CWS4000

level

surface.

hose

to a warming

mains

power.

the

warning

on

the top

It

should

Com

in

the

centre

power.

temperature

start

the

Terminal

to

the

Converter

parity — none,

set — ASCII.

line

ends — enabled.

Terminal

root

thermostat

or

change

mains

correctly

screen.

be

selected

passed

after

power.

window:

between

thermostat

the

several

and

by

Cocoon

Instruction

label.

left

of

snap

port

connector

of

the

setting

cable

flow

control — none.

the

in

order

test,

SLOWLY

CWS4000

test

if a thermostat

minutes,

PC.

undertaking a performance

blanket.

the

enclosure

into

place.

delivery

for

program

in

Step 4 above.

CWS4000

test

screen.

for

type,

temperature

restoring

Warming

Manual

on

the

hose

outlet

at

least

on

the

and

the

test

“YES”

trips

power

to

System

and

Service

rear.

PC.

as

10

minutes

PC

and

the

proceed.

then

setting.

in

under

to

inspection

Service

Manual.

shown

prior

select

PC, a dot

press

the

eight

the

CWS4000.

in

Figure

to

the

settings

(.)

Enter

(8)

as

detailed

Manual

Read

6

is

key.

Revision

|

13

June

2006

Page

11

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

4.5.

The

CWS4000

the

CWS4000

STATUS Items e e e

e

Required: CWS4000 Philips

13mm

HEPA

STEP

1

If

2

e e e

3

e

e e

e

4

e

e e

e

5

e

‧ e e

e

6

Replace

7

Confirm

in

Filter

has a replaceable

every

indicator

Number 1 and 2 Screwdrivers.

spanner.

will

Operator € Service

filter.

you

have

not

Place

the

Donot

connect

Disconnect

Locate

the

Remove Remove

enclosure To

pull.

Remove

Remove Install

Replace

Connect

present

Read

followed

Mark Record

Reset meter successful

Disconnect

Section

the the

disconnect

Do

not

the

the nut

the

on

and

by

the

HEPA

these

the

filter

display. A steady

the

rear

that

the

4.3

above.

Replacement

1000

operating

warn

of

already

CWS4000

enclosure

front

new

some

note

an

reset

the

CWS4000

seven enclosure

and

the

membrane

pull

the

nut

and

old

HEPA

and

CWS4000

internal parts

the run

“h",

“r’,

filter

figures

life

1000-hour

of

CWS4000

panel

by

CWS4000

done

on a firm,

PVC

(7)

rear.

tail

washer

filter.

washer

with

in

the

reversing

HEPA

hours

the

need

Manuals.

so,

read

level

delivery

from

mains

rear

with

the

Philips

head

rear

being

keypad

itself,

as

damage

securing

filter

and

discard.

securing

to

mains

power.

of

hour

meter

and a pause.

the

hour

the

CWS4000

counter

green

FILTER

1000-hour

from

mains

step 5 above.

functions

correctly

filter.

or

for

filter

PROCEDURE

the

CWS4000

surface.

hose

to a warming

power.

warning

screws

careful

tail

will

the

Exercise

the

CWS4000.

on

the

meter

reading

service

by

pressing

STATUS

counter.

power.

Under

12

label.

located

not

from

HEPA

control

by

normal

months,

replacement.

Operator

blanket.

around

to

stress

the

Control

almost

certainly

filter.

care,

board.

and

date

record.

and holding

indicator

undertaking a performance

use,

whichever

and

the

cable

assemblies

Board,

result.

as

there

Hour

digits

of

replacement.

the

and a long

replace

occurs

Service

perimeter

hold

will

be

are

switch

beep

the

HEPA

first.

Manuals.

of

the

enclosure

that

run

between

the

blue

connector

dangerous

sequentially

in

will

inspection

front

of

indicate

voltages

filter

The

FILTER

rear.

the

and

displayed

the

hour

the

as

detailed

inside

Revision

|

13

June

2006

Page

12

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

5.

TROUBLESHOOTING

5.1.

e

Make

e

Check

e

Check

e

Check

e

Check

blanket.

adhesive

e

Request

e

Check

5.2.

e

Extremely

can

cause

the

STANDBY

this

occurs,

automatically

Warming

sure

the

both

ends

the

delivery

that

there

the

warming

Small

tape.

qualified

for

fault

Standby

high

the

simply

Blanket

CWS4000

of

the

hose

are

no

blanket

rips

or

tears

service

alarm.

Indicator

storage

temperature

indicator

wait

reset

and

Will

is

plugged

delivery

and

obstructions

personne!

hose

warming

for

damage.

in

the

warming

Will

temperatures

limit

thermostats

will

fail

to

light

for

the

CWS4000

the

STANDBY

Not

Inflate

in

to

an

for

proper

blanket

to

the

If

air

check

Not

Light

(such

when

to

indicator

energized

connection.

inlet

for

kinks.

air

inlet

slots.

is

flowing

blanket

for a clogged

as

in

the

cool

may

those

the

CWS4000

down

will

light.

found

mains

from

the

be

temporarily

or

dirty

motor

is

and

eventually

power

to

socket-outlet.

hose,

try

repaired

filter.

cars

on

actuate.

connected

the

another

with

hot

summer

Should

to

thermostats

mains

this

power.

warming

days)

occur,

If

will

e

Request

5.3.

Repairs biomedical servicing

the

6.

This

printed

to

CWS4000

SCHEMATIC

section

circuit

diagrams The

following

e

The

schematic

e

Electrical

e

Netlabels

logic

“0”

The

CWS4000

qualified

Equipment

the

CWS4000

electronics

medical

devices,

or

malfunction

describes

board

contained

should

connectivity

(signal

(eg:

/SIGNAL).

Control

service

personnel

Repairs

should

technicians

and

in

may

DIAGRAM

the

CWS4000

(PCB)

in

diagrams

component

Section 8 below.

assist

is

names)

Board

with

are

shown

are

implements

check

be

preformed

or

clinical

accordance

otherwise

DESCRIPTION

schematic

legend

the

interpretation

organised

by

prefixed

in a flat

continuous

with a forward

the

for

blown

by

qualified

engineers

with

the

result.

diagrams.

contained

of

the

structure.

wires

following

mains

personnel

familiar

CWS4000

Reference

in

Section 7 and

Schematic

or

net

labels

slash

when

functions:

power

with

repair

Service

Diagrams:

on

they

fuses.

such

as

practices

Manual.

should

the

partial

are

certified

for

Damage

be

made

schematic

wires.

asserted

to

the

with

to

e

Microcontroller.

»

RS232

ο

Microcontroller

e

Fan

control.

e

Heater

Revision

|

transceiver

reset

control.

(Control

circuit.

Board

revision E and

13

June

2006

later).

Page

13

Care

Essentials

e

LED

e

Run

e

Filter

e

Buzzer.

e

Power

The

CWS4000

»

Digital

e

Temperature

The

more

display

hour

life

drivers.

meter

hour

supplies.

Sensor

temperature

limit

important

display.

counter

Board

sensor.

thermostats.

of

these

reset

switch.

implements

functions

CWS4000

the

are

elaborated

Cocoon

following

functions:

below.

Warming

System

Service

Manual

6.1.

Microcontroller

The

microcontroller

e

CPU.

e

Program

e

RAM.

e

EEPROM.

ο

Interrupt

e

External

e

Counter/Timers.

e

Watchdog

e

Digital

The

microcontroller

e

Monitors Monitors

ROM.

controller.

interrupts.

Input/Output

the

Control

(U1)

timer.

performs

exhaust push-button

Board

integrates a number

ports.

the

following

air

temperature

switches.

of

functions:

through

the

digital

temperature

sensor.

Controls

The

microcontroller software microcontroller

Reset When e e

the

Digital

Signal

The

e

Signal

The

Thus

the

with

the

Revision

the

program

Circuit

microcontroller

Input/Output

/FAN

fan

blower

/HEAT

heater

reset

heater

|

display

heater

ROM

contained

fault,

Care

goes

is

switched

goes

is

switched

process

being

turned

and

buzzer

and

fan.

is

factory

in

Essentials

is

reset

ports 0 — 3 go

low

switching

drivers.

programmed

the

microcontroller

must

either

high.

on

the fan

on.

high

switching

off

off.

implements a safety

on.

13

with

ROM

fit a replacement

by

power-on

relay.

the

June

heater

strategy

2006

triac.

the

application

is

subject

or

by

the

to

prevent

part.

watchdog

the

software

to

copyright.

timer:

fan

biower

program.

In

the

event

being

turned

Page

The

14

of

off

a

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

Power-On

Following connected asserted internal

Watchdog

The

microcontroller

When a watchdog

To

prevent

overflows software watchdog

microcontroller

occurring.

Digital The

temperature

microcontroller

Temperature

Reset

power-on

to

ground.

high.

The

power-on

Reset

such a system

by

the

malfunction,

timer.

from

6.2. Temperature

Sensor

(U1).

Limit

capacitor

This

causes

microcontroller

reset

circuit

watchdog

timer

overflow

reset

application

the

application

This

failure

running

Board

Sensor

sensor

(U1)

Thermostats

(C3)

charges

the

Reset

type

used

and

capacitor

timer

is

incremented

occurs

the

software

will

produce a system

out

of

is

controlled

the

microcontroller

program.

software

control.

from

zero

to

+5V

input

of

the

microcontroller

on

Control

(C3),

resistor

microcontroller

Board

(R1)

regularly

watchdog

If

the

microcontroller

program

This

prevents a potentially

by

and

will

fail

reset

on

overflow

communicates

(VCC)

by

is

timer

through

revision E and

and

diode

the

microcontroller

reset.

is

reloaded

suffers a hardware

to

load

thus

with

the

resistor

to

be

momentarily later

(D1)

are

before

the

microcontroller

preventing

hazardous

Control

(R1)

has

an

not

fitted.

hardware.

it

or

the

situation

Board

from

The

maximum

connected

air

stream predetermined calibration

bimetallic

and

or

performance

6.3.

The

System

CWS4000

e

Power

e

Temperature

e

Heater.

e

Fan

e

Control

e

Sensor

e

Communications

Before make a careful

compromise

Block

electrical

inlet

blower.

Board. Board.

removing

patient

air

temperature

auto-resetting

will

interrupt

limit.

The

System

Diagram

and

module

limit

connector.

any

of

note

so

safety

is

power

temperature

inspection.

Block

electronic

including

thermostats.

the

that

Diagram

shows

EMI

connections these

and/or

not

only

limited

thermostats.

to

the

CWS4000

limit

thermostat

the

general

subassemblies:

filter

and

between

may

be

correctly

damage

the

by

the

These

should

function

electrical

fuses.

the

electrical

reinstated.

CWS4000.

control

thermostats

connectivity

system

the

output

does

and

Incorrect

but

by

are

located

air

temperature

not

require

between

electronic

connections

two

series-

in

the

exhaust

exceed

adjustment,

the

various

subassemblies,

could

a

The warrant

Revision

System

extensive

|

Block

Diagram

discussion.

is

presented

13

as

June

an

aid

2006

to

understanding

the

CWS4000

and

Page

does

15

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

7.

BOARD

7.1.

COMPONENT

Control

Board

LEGENDS

ーー

ον

>

Not

fitted

when

U1

AT89S8253

is

Revision

|

13

June

2006

Page

16

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

7.2.

Sensor

Board

Revision

|

13

June

2006

Page

17

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

8.

SCHEMATIC

8.1.

Control

vo

D8

|

>

cuvonvet

DIAGRAMS

Board

Schematic

GO9daA3X

Nid

03045

Diagram

Нот

@aGPSMND

AdhHy

COMITE

4220

z

Cd

Ag

OA

uiñesg]

SIUILNASSS

TOROS

ALDO

3739113

MANDA

MAIS

SÅ

AS

140)

τν

SII

EN

aue8

o a

απο 「マすす

すす

1

<a

-O ea

RI

49 を 5

ZHHZ6SB'T

TX

ΒΡΤΥΝ

Y

1465

4082

MORA

a-ge-r

v

080092

na

TLE

3n1

UALVAH

199

2 aneaz

ZIBLIGLA

TATE

AZEZ

Auge

875

05202

Y

anger

301

VHLNIN

UALVAH

139

NUM

Nus

vaLnan

sa

8089

8522

anges

HAl

Alddns

LOV

SuJnaN

Aldans

Revision

|

13

June

2006

Page

18

Revision

Care

|

13 June

2006

8.2.

Sensor

Board

Schematic

Diagram

Essentials

CWS4000

Cocoon

Warming

Page

19

System

с

o - и 一 >

a

Service

Manual

UOISIASY

|

CONTROL

Black Unite

Yellou Red

Red

Yelloy

Black

BOARD

TEST

(Rear)

SENSOR

N/C

—

53Cdeg,

S1

THERMOSTATS

o

Pi

...

BOARD

o“

53Cdeg

$2

o

UU91SAS

aed

58

sjenuassy

EL

eunr

9002

POWER

Fi

Ta

6.3A

+

MEMBRANE

ENTRY

a .

T

Ay

|!

Φος

KEYPAD

MODULE

L

PZ

li

ου

Cy

T

MOU

ASSEMBLY

Thick

Thin

Thick

Brown

Blue

Red

Bive

HEATER

Title

CARE

“af

ESSENTIALS

CSRUECT YSTEM

IVE

BLOCK

WARNING

DIAGRÁM|

cus4e

Revision

Y90Jg

we1Geig

0007SM3

uo0909

BuruieMm

wa]sAs

89InJos

sbed 0Z

[ΕΠΙΕΙΛΙ

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

9.

PARTS

9.1.

LIST

General

PART

NO

Assembly

DESCRIPTION

Revision

|

13

June

2006

Page

21

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

CIRCUIT

DESIG.

9.2.

Control

MANUF.

Board

PART

NO

DESCRIPTION

Note:

R1,

D1

Revision

and C3

|

are

not

fitted

when

13

U1

June

is

an

AT89S8253-24PC.

2006

Page

22

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

9.3.

Sensor

Cie! | MANUF.

DC1 P1

U1

10.

The operation warranty replace authorization

full

warranty

Any

Keystone

TI

Muiticomp

Molex

Dallas

WARRANTY

CWS4000

for a period

in

place

at

its

sole prepaid

is

Maxim

is

warranted

at

option,

available

Board

PART

TBC

8916

1NTO1-L53-11

100nF

22-27-2031

|DS18B20

of

two

time

of

free

to

Care

from

NO

50V

free

of

defects

years,

purchase.

under

of

charge,

Essentials.

Care

Essentials

Screw,

Zinc-Plated

Nut

Zinc-Plated

Washer,

LED

Spacer

Switch,

Capacitor, Header,

Pitch

Thermometer,

During

Thermal,

Square

in

the

any

defective

Consumable

Steel,

Internal

material

terms

the

upon

S/proof

0.4"

NC,

Ceramic,

Pin,

Digital,

and

warranty

request.

DESCRIPTION

Steel,

Pan-Head,

M3

Zinc-Plated

53°C

Opening

Z5U,

50V,

0.2"

Friction

and

parts

items

Lock,

0.0625°C

conditions

Precision

workmanship

period,

or

products

such

PCB

of

Care

as

M3x6

Steel,

M3

Temperature

Pitch

Mount, 3 Way,

(TO-92)

under

the

Care

Essentials

returned

filters

are

0.1"

normal

Essentials

excluded.

will

with

use

repair prior

QTY

4

1

2

1 1

1

and

or

The

This

warranty

are

no

obligations

connection

warranties

a

particular

This

warranty

power

cords,

does

not

on

with

the

use

including

purpose.

does

or

but

not

accessory

cover

the

cover

part

or

not

products

of

Care

performance

limited

blankets.

the

following

to,

abused,

Essentials

of

the

misused,

the

product.

implied

accessories

or

for

consequential

Care

warranties

or

consumables;

altered

Essentials

of

outside

damages

disclaims

merchantability

filters,

the

factory.

arising

and

hose

out

all

implied

of

covers,

There

of

or

in

fitness

for

Revision

|

13

June

2006

Page

23

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

11.

ELECTRICAL Supply Supply

Supply

External

Heater Fan CLASSIFICATION Applied

Applied

Device

Mode

Degree Degree

anaesthetic

Environmental

storage

Method

PERFORMANCE

Temperature

temperature

Temperature ambient

Environmental specified

Time

accuracy temperature

SAFETY

Dual

Heater

Temperature

Control

PHYSICAL

Dimensions

Weight

Enclosure

Filter

Revision

SPECIFICATIONS

Voltage Frequency

Power

Fuses

Motor

Parts

Part

classification

ciassification

of

operation

of

protection

of

safety

mixtures

of

disinfection

at

temperature

required

of

delivered

setting

SYSTEMS

temperature

system

type

life

|

in

the

conditions

settings

the

end

accuracy

conditions

to

attain

limit

alarm

failure

against

presence

with

indicate

of

delivered

setting

required

accuracy

the

air

following a change

thermostats

devices

alarm

ingress

of

liquid

of

flammable

air/oxygen/nitrous

reguired

required

the

average

delivery

specified

for

operation

for

transport and

hose

air,

except

to

achieve

temperature

oxide

air

the

in

230 — 240 50

1100

2 x 6.3

1000 Watt

45

Warming

Type

Class

Continuous

No

Not

with

16°C

10°C

Surface staining,

Ambient,

Note:

temperature,

placed

+

for

2°C

the

Not

20°C

5

minutes

Either

from

A

98°C

from

Continuous

delivered

Continuous functions

29

cm x 22

6

Kilograms

Flame-Retardant

Bacteriological

1000

13

June

Vac

Hz

Watts

Maximum

Amp

250V

Time

heating

element

Watt

Blanket & Delivery

BF

1

protection

designed

atr/oxygen/nitrous

to

specified

to

the

excessive

hours

against

for

29°C,

Less

40°C,

45%

disinfection

disinfectant

34°C,

37°C,

The

air

temperature

the

on top

of

with

delivery

without

22°C,

30%

of

two

independent

CWS4000

thermal

fuse

temperatures.

temperature

air

maintains

self-monitoring

predictably.

cm x 40

HEPA

2006

use

than

to

is

warming

the

warming

hose

to

if

and

cm

ABS-PC

Lag

ingress

in

the

presence

oxide.

90%

95%

relative

possible

solution.

40°C,

43°C

around

blanket

cover.

delivery

70%

relative

53°C

the

delivered

104°C

monitoring

its

specified

by the

Plastic

filter

(T)

Hose

of

relative

blanket.

hose

5x20mm

liquid

of

flammable

humidity,

using a cloth

or

46°C

the

type

cover.

humidity,

self-resetting

air

self-resetting

guarantees

accuracy.

control

non-condensing

moistened

patient

is

and

the

non-condensing

thermostats

exceeds a preset

thermostat

system

anaesthetic

non-condensing

with a mild,

affected

use

that

of

an

the

temperature

ensures

by

the

insulating

removes

limit

protect

that

mixtures

non-

ambient

blanket

power

temperature.

the

filter

of

the

it

always

Page

24

air

Care

Essentials

CWS4000

Cocoon

Warming

System

Service

Manual

12.

APPROVALS

Revision

|

13

June

2006

Page

25

Cocoon CWS 4000 User manual

Specifications and Main Features

Frequently Asked Questions

User Manual