3M Sarns TCM II - Descaling Procedure; Decontamination Procedure

3M Sarns TCM II

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19

Maintenance

Descallng

Procedure

(every

6

months)

Descale

more

frequently

in

areas

with

a

high

mineral

content

in

the

water

supply.

Warnings:

Observe

proper

safety

precautions

when

using

S—Klenz

as

this

is

a

phosphoric

acid

detergent.

Do

not

mix

S—Klenz

(acid

descaler)

with

the

Process

LCS

(chlorine

sanitizer)

as

exothermic

reaction

will

occur,

creating

harmful

chlorine

gas.

Descale

‘

Test

for

chlorine.

Remove

chlorine

prior

to

descaling;

drain,

fill

and

prime

per

Setup.

-

Select

Defrost;

turn

the

Cardioplcgia

on

with

Large

to

Small

Tank

mode

and

3

RPM.

-

To

_<_

8°C

water,

slowly

add

11

oz.

of

S—chnz

to

the

large

tank

(eleven

pumps

of

the

1

oz.

dispenser);

run

for

15

minutes.

-

Select

Rewarm

and

Small

Tank

modes;

run

15

minutes.

Rinse

and

Drain

-

Per

Setup,

drain,

fill

and

prime.

-

Select

Defrost;

turn

the

Cardioplegia

on

with

Large

to

Small

Tank

mode

and

3

RPM.

Run

for

2

minutes.

.

Select

Rewarm

and

Small

Tank

modes;

run

2

minutes.

-

Drain

the

rinse

water.

Wipe

any

debris

from

the

tanks

and

the

tank

outlet

screens.

Fill

with

clean

water

and

prime.

'

Perform

complete

Cleaning

and

Sanitizing

Proce—

dure.

19

_———______————_W1

Decontamination

Procedure

(when

needed)

Decontaminate

whenever

biofilm

is

evident,

which

may

be

noticeable

by

a

discoloration

or

cloudiness

in

the

external

fluid

lines.

Prepare

-

Descale

and

Rinse

according

to

the

Descaling

Procedure.

‘

Clean

(without

filling

or

sanitizing)

according

to

Cleaning

and

Sanitizing

Procedure.

Remove

Biofilm

-

Add

20-30

lbs.

of

ice

to

the

large

tank

(or

make

a

full

block

of

ice);

add

ice

to

small

tank.

-

Fill

tanks

and

prime.

-

Select

Defrost;

turn

the

Cardioplegia

on

with

Large

to

Small

Tank

mode

and

3

RPM.

-

To

S

8“C

water,

slowly

add

[1

oz.

of

Process

LCS

sanitizer

to

the

large

tank

(eleven

pumps

from

the

1

oz.

dispenser).

Run

for

at

least

1

hour,

adding

ice

if

necessary

to

keep

the

water

below

20°C.

-

Select

Rewarrn

and

Small

Tank

modes.

Run

for

at

least

1

hour.

Note:

If

biofilm

is

still

visible,

continue

alternat-

ing

between

Defrost

and

Rewarrn,

running

for

1/2

hour

at

each

setting.

Keep

below

20°C

when

in

Defrost.

Do

not

add

more

sanitizer.

As

much

as

four

hours

additional

time

may

be

required

to

remove

excessive

biofilm.

Rinse

-

Drain,

fill

and

prime.

-

Select

Defrost;

turn

the

Cardioplegia

on

with

Large

to

Small

Tank

mode

and

3

RPM.

Run

for

2

minutes.

'

Select

Rewarm

and

Small

Tank

modes.

Run

for

2

minutes.

-

Test

the

chlorine

level

and

sanitize

per

Sanitization

Procedure.

Replace

all

external

water

lines

once

the

unit

is

drained.

.

Make

new

ice

or

store

the

unit.

19