Air-Shields C100, C200 MAINTENANCE

PREVENTIVE

100/200

MAINTENANCE

1.

RELEASE

slightly
down,

back

THE

in

INNER

the

direction

WALL

of

by

pushing

hood

slopes,

then

2.

Release

ing
rear
then

front

of

inner

lower.

REAR

edge

OF

of

inner

wall,

INNER

pull

WALL

wall

on

toward

your

you

while

arm;

to

release,

rest-

lift

*

Double

3.

LOWER

AS

Wall

IT

WILL

Hood

REAR

GO

only.

OF

INNER

FIGURE

WALL

4.3

AS

FAR

REMOVAL

OF

4-3

4.

REMOVE

rection

INNER

INNER

shown.

WALL*

WALL

by

lowering

in

di-

C100/200

PREVENTIVE

MAINTENANCE

6.

REMOVE
Main

Deck

FIGURE

MAIN

DECK.

and

Hood

4.4

Rotate

Seat

ACCESS

the

Gasket.

Main

PANEL

Deck

INNER

Retainer

WALL

(Figure

4.5)

REMOVAL*

parallel

with

the

slot,

then

lift

out

the

*

Double

Wall

Hood

only.

FIGURE

4.5

REMOVAL

OF

MAIN

DECK

7.

REMOVEAIRINTAKE
the

Incubator

until

the

TUBE.

end

of

Grasp

the

tube

the

Air

clears

Intake

the

gasket.

Tube

(Figure

Remove

4.6),

twist

the

PREVENTIVE

and

pull

tube

from

MAINTENANCE

it

toward

the

base

C100/200

the

front

assembly.

of

8.

9.

10.

11.

12.

4.2.2

1.

2.*

*

Model

REMOVE

the

outside;

REMOVE
REMOVE

REMOVE

discard

REMOVE

CLEANING

mental

described

Cleanser

After

SKIN
or

the

CLEANING

Protection

removing

PROBE.

paper

C100

FIGURE

DISPOSABLE

discard

ACCESS
TUBING

DISPOSABLE

sleeves.

THE

AGENTS.

in

may

towel.
only.

the

DOOR

ACCESS

AIR

INTAKE

Agency

paragraph

be

used.

all

solid

Use a disinfectant—detergent

4.6

ACCESS

cuffs.

GASKET

PORTS

IRIS

ENTRY

MICROFILTER

An

iodophor

should

4.2.1. A cleanser

When

using

wastes

and

REMOVAL

DOOR

or

be

contaminants

CUFF

from

each

from

each

PORT

COVER

quaternary
used,

but

such

any

cleaning

to

OF

AIR

from

each

Access

side

of

SLEEVES

by

disinfectant

only

after

as

Air-Shields

agent

from

the

thoroughly

45

INTAKE

Access

Door

hole

by

the

Hood

by

by

pulling

loosening

the

follow

disassembled

clean

each

detergent
Incubator

Kleenaseptic®

the

all

surfaces,

TUBE

Door

Gasket

pulling

pulling

Sleeve

the

two

registered

is

empty

manufacturer's

parts,

by

it

off

from

them

free.

off

thumbscrews.

by

and

Germicidal

clean

then

dry

pulling

the

the
disassembled

directions

with a clean

the

retainer

U.S.

them

as

it

off

outside.

Environ-

Surface

for
follows:

from

rings;

as

use.

cloth

100/200

PREVENTIVE

3.

HUMIDITY
ACCESS
gent,
Place
solution.

MAINTENANCE

CHAMBER

PORTS,

then

remove

the

Air

AND

the

Intake

AND

MAIN

W-shaped

Tube,

FILL

DECK

Access

PIPE,

AIR

GASKET.

Baffle

from

Door

Gaskets, Tubing

INTAKE

Fill

the

chamber

TUBE,

the

humidity

Access

and

ACCESS

chamber

dry

it

with a clean

Ports,

DOOR

and

GASKETS,

with a disinfectant-deter-

cloth

Main

Deck

TUBING

or

paper

Gasket

towel.

into

the

*

NOTE:
Humidity

Allow
completely
all

Ifit
Loosen
Unscrew
Assembly

if

necessary, a larger

Chamber

them

indentations,

is

necessary

the

the

and

must

to

soak

as

recommended

with a clean

then

dry the

to

remove

thumbscrew

Fill

Pipe

Assembly

the

sleeve

container

be

cleaned

cloth

the

that

that

may

be

separately.

by

the

cleaning

or

paper

towel.

chamber

fill

secures

becomes a loose

pipe

for

by

rotating

and

Fill

cleaning,

the

Fill

used,

but

if

the

chamber

solution

Drain

the

Humidity

Pipe

(inside

rotate

Pipe

Bracket,

counterclockwise

part

when

manufacturer,

and

the

Fill

and

the

is

Chamber,

out)

with a clean

Pipe

Assembly

rotate

as

shown

Fill

Pipe

not

used,

then

scrub

about

the

bracket

in

Figure

Assembly

then

the

remove

it

thoroughly

cloth

them

or

1/4

turn

1/4

turn

4.7.

Clean

is

unscrewed.

Fill

Pipe

and

including

paper

to

the

to

the

Fill

and

dry

towel.

left.
left.

Pipe

-

4.

CONTROLLER.
the
a

front

cloth

FIGURE

panel

and

dampened

4.7

REMOVAL

The

portions

the

top,

with a disinfectant-detergent.

of

the

bottom, and

OF

HUMIDITY

Controller

two

external

sides

46

of

to

the

chassis.

FILL

the

controlled

These

PIPE

portions

ASSEMBLY

incubator

environment

may

be

wiped

include

clean

with

PREVENTIVE

-

C100/200

MAINTENANCE

CAUTION:
mita
trical

CAUTION:
temperature

A.

B.

NOTE: A disinfecting
ofthe
gent,

5.

6.

Some

chemical

build-up

components.

The
face:
the

Remove
air

Clean

Controller.

then

MATTRESS

surfaces

MATTRESS

WASTES
tergent

nism. A cleanser
any

of

dust

portions

included

Controller

flow

allowing

cleaning

of

Failure

control

any

lint

sensor.

these

surfaces

The

thoroughly,

and

registered

are the
to

to

it

TRAY,

TILT

agent

cleaning

or

dirt

which

Do

not

spray

the

Controller

air

temperature

which

these

clean

could

and

cause

build-up,

tank
Controller
to

soak

pay

with a disinfectant-detergent,

is

available

rear

as

recommended

AIR

CURTAIN

then

dry

CONTROL,

contaminants

with

the

U.S.

such

as

Kleenaseptic®

follow

the

agents

may

cleaning

that

are

components

result

high

particular

as

surface

with a clean

may

be

conductive.

solutions

within

probe,

in

sufficient

oxygen

attention

an

accessory

is

COVER,

immersed

C100/200

from

the

Mattress

Environmental

Germicidal

manufacturer's

be

conductive

Do

not

onto

any

the

Incubator's

the fan

are

concentrations.

by

cloth

QT

impeller,

mounted.

lint

build-up

to

the

fan

then

from

Air-Shields

into

the

manufacturer

MAIN

DECK.

or a paper

(SERIES

Tilt

Control.

Protection

Surface

directions

impeller,

dry

the

—02)

Agency

for

and/or

permit

of

controlled

the

with a clean

tank

Use a disinfectant-detergent

towel.

An

Cleanser

use.

leave a residue

cleaning

these

surfaces.

environment

heater,

to

after

of

the

reduce

heater,

cloth

to

facilitate
filling

the

cleaning

gaskets,

air

air

it

INCUBATORS.

iodophor

or

should

may

quaternary

be

which

agents

cleaning

with a disinfectant-deter-

to

are

and

flow,

which

temperature

or

paper

solution.

REMOVE

disinfectant-de-

used

to

clean

also

be

used.

may

contact

on

the

the

surface

will

probe,

towel.

the

rear

to

ALL

the

When

per-

elec-

rear sur-

of

affect

and

surface

clean

all

SOLID

mecha-

using

WARNING:

in

an

7.

-

CAUTION:

Alcohol

Do

not

from

Hood.

8.

**

Model

DO

NOT

lubricate

enriched

HOOD
oughly,
baffles,

expose

these

AIR
than 3 months,

cover

WARNING:
build-up.
tions.

oxygen

AND

including
etc.,

then

can

cause

the

sources

INTAKE

with a disinfectant-detergent.

Be

C100

only.

environment.

CABINET

crazing

hood

can

MICROFILTER.

it

A

dirty

sure

(Optional

STAND.

the

inner

dry

with a clean

of

assembly

cause

should

Filter

the

filter

be

elevator

Use a disinfectant-detergent

wall

and

cloth

the

clear

to

cracking

Do

not

replaced.

may

affect

is

checked

in

C200).

tilt

mechanism

access

or

paper

acrylic

direct

of

attempt

Before

oxygen

.

with

door

heat

shield*.

towel.

Hood.

radiation

gaskets,

on a routine

Do

fading

to

clean

installing a new

concentration

oil

Clean

not

from

or

reverse

basis

or

other

to

clean

Make

sure

the

exposed

use

alcohol

germicidal

of

paint,

and

the

filter,

clean

and/or

commensurate

potentially

all

to

clean

surfaces

for

lamps.

crazing

microfilter.

cause carbon

flammable

surfaces

all

of

cleaning.

Ultraviolet

of

If

visibly

the

Microfilter

with

of

the

holes,

indentations,

the

cabinet

the

clear

dirty,
chamber

dioxide

local

material

hood

thor-

stand.

radiation

acrylic

or

older

and

condi-

4-7

100/200
PREVENTIVE

MAINTENANCE

4.2.3

IMPORTANT:

not

proper

After

REASSEMBLY

interchangeable

identification

cleaning
INSTALL

1.

ure

4.6.

INSERT

2.
INSTALL

3.

4.8.

Rotate

Specific

between

of

all

parts

THE

AIR

HUMIDITY

THE

MAIN

the

Main

AFTER

Assemblies

components

and

CLEANING

the

C100/200

assemblies

INTAKE

CHAMBER

deck

one

conditioning

DECK

Deck

WRONG

placed

side,

as

shown

CORRECT

deck

TUBE

AND

Retainer

(inner

Wails,

Series

prior

to

assembly.

as

described

(into

the

BAFFLE

HOOD

POSITION-Main

up on

permitting

by

MAIN

POSITION-Main

placed

chamber

into

SEAT

{Figure

MAIN

gasket

air

dashed

DECK

down

Main

-01

Base

the

4.5)

DECK

on

flow

line.

on

top.

Deck,

Mattress

and

the

in

paragraph

Assembly)

Humidity

GASKET

to

secure

Tilt

C100/200

4.2.2,

by

reversing

Chamber.

into

the

the

deck.

Mechanisms,

QT

Series

reassemble

the

Base

Assembly

Oval

—02

Incubators.

as

described

procedures

as

shown

Gaskets)

Verify

below.

shown

in

in

Figure

are

Fig-

FIGURE

INSTALL

4.
to

NOTE:

CAUTION:
curely.

5.

There

INSTALL

WARNING:

Hook
lower

for

slightly

the

INSTALL

tress,

INSTALL
in

THE

Figure

4.2.)

is a right-hand

Be

sure

THE

the

lip

the

cover

proper

when

mattress

DISPOSABLE

then

DISPOSABLE

Figure

4.9,

4.8

INSTALLATION

MATTRESS

the

two

AIR

CURTAIN

The

Air

Curtain

on

the

bottom

toward

operation

the

rails,

place

of

Access

then

the

mattress

TILT

MECHANISMS

and

left-hand

thumbscrews

COVER

Cover

of

the

Air

the

front

of

the

the

Air

Curtain

Panel

is

opened.

lowering

MATTRESS

IRIS

straight

onto

ENTRY

OF

MAIN

tilt

mechanism.

that

hold

AND

must

be

Curtain

Incubator

Cover.

Install

down.

COVER.

the

tray.

PORT

DECK

C100/200

the

MATTRESS

properly

onto

the rod

to

the

rest

The

Air

the

Mattress

Place a new

SLEEVES.

AND

GT

tilt

mechanism

TRAY.

installed

at

the

position.

Curtain

Tray

disposable

Install a new

HOOD

SERİES

for

correct

rear

of

Close

Cover

by

positioning

SEAT

—02

on

to

the

temperature

the

Main

the

Hood

is

operating

Mattress

Iris

Entry

the

deck

Deck

Assembly

it a few

Port

GASKET

Main

Deck.

are

tightened

Assembly,

correctly

inches

Cover

over

Sleeve

(Refer

se-

control.

then

and

check

if it

rises

above

the

mat-

as

shown

NOTE:

If

the

Incubator

is

to

be

gas

sterilized,

wait

until

48

after

sterilization

to

install

new

sleeves.

PREVENTIVE

C100/200

MAINTENANCE

1.

Install
a

new

housing

the

smaller

sleeve

over

diameter

the

inner

3.

Rotate
sieeve

elastic

ring

of

outer

ring

will

open

band

the

again

of

port

to

close,

if

properly

if

rotation

2.

Fold
outer

installed,

is

reversed.

back

ring

and

of

the

slip

the

larger

pot

housing.

elastic

band

over

the

FIGURE

4.9

INSTALLATION

OF

IRIS

49

ENTRY

PORT

SLEEVE

C100/200
PREVENTIVE

8.

INSTALL A TUBING

or

torn.

9.

INSTALL

MAINTENANCE

AN

ACCESS

ACCESS

DOOR

PORT

GASKET

into

behind

the

front

each

edge

Access

of

each

side

Door,

of

as

the

Hood.

shown

Replace

in

Figure

if

distorted

4.10.

ACCESS

CUFF

GROOVE

ACCESS

GASKET

DOOR

DOOR

——

„|

a

ACRYLIC

É

INSIDE

INCUBATOR

HOOD

OF

FIGURE

10.

INSTALL A NEW
ameter

atits
depressed.

NOTE:

11.

INSTALL

12.

INSTALL

13.

INSTALL A NEW
and

elastic

center.

If

the

tighten

Incubator

HOOD

THE

the

cover.

IMPORTANT: A complete
unit

to

service.

、4.3

GAS

STERILIZATION

Prior

to

gas

sterilization,

section.

removed
stalled

All

used

disposable

and

discarded

after

sterilization.

The

ACCESS

band

Access

is

INNER

HEAT

AIR

two

4.10

INSTALLATION

DOOR

into

the

groove

Door

should

to

be

gas

sterilized,

WALL

SHIELD

INTAKE

thumbscrews.

operational

the

entire

elements

as

described

onto

incubator

CUFF

onto

in

the

gasket,

latch

with

wait

by

reversing

the

Access

MICROFILTER

ifa

new

filter

checkout

such

in

the

(paragraph

should

as

iris

sleeves,

cleaning

OF

ACCESS

each

Access

When

installed

slight

pressure,

until

after

sterilization

the

procedure

Panel.

if

necessary.

is

instatled,

2.4)

be

thoroughly

access

instructions.

4-10

Door

correctly,

and

shown

Replace

indicate

:

should

cleaned

door

cuffs,

New

the

DOOR

Gasket

should

to

in

be

disposable

GASKET

by

the

open

install

Figure

the

Air

date

on

performed

as

described

mattress

stretching

cuff

has a small

when

the

new

sleeves.

4.2,

Intake

Microfilter

the

place

provided

before

elsewhere

covers,

elements

the

larger

opening

latch

button

returning

etc.,

shouldbe

should

di-

is

Cover
on

the

the

in

this

be

in-

・

PREVENTIVE

C100/200

MAINTENANCE

Release
Access

NOTE:

the

Doors

Gas

CAUTION:

Standard
Sterilizers

Upon

should

period

Gas

and

completion

be

properly

of

aeration

disposable

IMPORTANT:

turning

44

It
repairs

the

CALIBRATION

is

recommended

have

Controller

should

sterilization

Sterilization

latches

be

left

does

temperature

sterilization

Wilmot

Castle

of

gas

sterilization,

secured

at a temperature

dust

cover

should

A

complete

unit

to

service.

SCHEDULE

that

the

been

made.

and

slide

open.

The

not

eliminate

procedures

are

satisfactory

an

in

place

and

of

be

placed

operational

Controller

Calibration

and

the

unit

Air

Intake

the

should

as

programmed

aeration

the

C100

32

to

35

on

the

checkout

of

the

Incubator

test

out

about

Microfilter

need

for

not

exceed

by

as

these

do

period

of

Incubator

°C.

After

aeration,

Incubator.

procedure

be

procedures

1/4”.

The

may

routine

replacement

130 ° F

automatic

not

normally

16

to

24

should

(paragraph

tested

are

provided

Access

be

left

(54.5

equipment

exceed

hours

should

be

operated

if

the

unit

2.4)

and

calibrated

in

Panel

in

place.

of

the

°C).

such
130

be

allowed.

in a dry

is

not

to

should

at

Section 5 of

may

be

Air

Intake

as

made

°F

(64.5

condition

be

used

be

performed

least

annually

this

closed,

but

Microfilter.

by

American

°C).

The

Control

for

the

entire

immediately,

before

and

after

manual.

the

unit

a

re-

4-11

100/200

PREVENTIVE

MAINTENANCE

{This

page

is

intentionally

left

blank.)

4-12

C100/200

SERVICE

5.1

GENERAL

This

section

C100

and

IMPORTANT:

ably

in

this

5.2

CALIBRATION

5.2.1
This

paragraph

Unless

1.

The

2.

The

3.

Primary

GENERAL

otherwise

provides

C200

Incubators.

It

should

manual.

WARNING:
frame

provides

indicated,

Gontroller

Controller

is

is

power

calibration,

be

noted

PROCEDURES

The Motor

may

be

at

calibration

all

calibration

removed

connected

applied

to

from

the

SECTION

SERVICE

troubleshooting,

that

the

terms

Assembly

mains

potential.

procedures

procedures

the

Incubator

to a primary

Controller

and

"SET

is

for

source

for a minimum

5

removal

TEMP”

not

grounded.

the

Controllers and

are

performed

and

the

cover

of

the

correct

of

and

replacement

and

“SET

Under

under

is

removed.

voltage and

ten

minutes

POINT"

fault

tests

the

before

instructions

are

conditions,

for

the

Incubator.

following

frequency.

calibrating.

for

the

used

interchange-

the

metal

conditions:

Model

5.2.2
The

test

tion

tests.
.
ㆍ

ο

.
ㆍ
.

.

TEST

EQUIPMENT

equipment

Equivalent

Probe

Simulator,

Logic

Probe — capable

Variable

Digital
Oxygen
Flowmeter,

Leakage

Transformer,

VOM,

Analyzer,

Current

REQUIRED

listed

below

test

equipment

Part

No.

of

General

Fluke

Model

Ametek,

Victor — Model

Tester,

Bio—Tek

is

required

may

68

900

+/—

12

Vdc

Radio

8060A

Thermox

1099-0025

for

calibration

be

substituted.

80

Model

Instrument

501

of

WSM

Division,

(Change

the

Controller

T3AW

16)

Model

and

performing

S-3A1,

Oxygen

Pittsburgh,

PA.

Concentra-

5-1

100/200
SERVICE

5.23
TEST

Connect

1.

Controller.
+/—

2.

Onthe

to

3.

On

location

PCB2—

SETUP

2V~

AIR.

the

PROCEDURE

1.

Refer

2.

Adjust

3.

Onthe
SKIN.

4.

Adjust

5.

Turn

Monitor

6.

Turn

Models);

6a.

On

the

MODEL

the

Simulator

Connect

(110/120V

Controller,

Simulator,

of

test

points

to

Figure

R35

Simulator,

Connect

R50

off

the
TP15

the

simulator,

5.1

on

PCB2

the

for a reading

POWER

with

unit

on.

80

+/-

C100

to

the

the

ac

line

Models);

set the

2V- (100V

set

AIR

set the

set

Set

MODE

and

adjustments.

and

connect

for a reading

the

MODE

DVM

between
of

switch

the

logic

the

variac

the

mode

PATIENT

cord

through a variac

240

+/-

and

SKIN

switch

the

of

switch

TP13

-350

+/-

on

the

Controller.

probe.

as

follows:

Models).

switch

PROBE

2V~

set

DVM

-350
to

50

On

to

to

(+)
mV

AIR.

and

(220/240V

Temp.

between

SKIN

PCB2,

AIR

+/-

and

on

95

switches

and

50

on

TP22.

the

Connect

+/-

turn

AUXILIARY

and

turn

Models);

to

the

TEMP

TP20

(+)

mV

on

the

the

Controller,

DVM.

the

2V~

(110/120V

R100

fully

PROBE

jacks

on

the

unit.

Set

100

+/-

2V-

36.0

°C.

Setthe

switch

and

DVM.

logic

to

36

TP22

on

set

the

CONTROL

probe

between

Models);

counterclockwise.

on

the

the

variac

(100V

CONTROL

°C.

Refer

PCB2.

+12

190

Side

as

follows:

Models).

MODE

to

Figure

MODE

Vdc

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2V~

Panel

of

switch

5.1 for

Switch

and

ground.

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the

120

to

7.

On
the

7a.

Set
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Set

(100V

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Turn

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Controller,

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variac

Models).

the

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Models).

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as

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Power.

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Remove

SET

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Off).

logic

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20V

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240

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5.2.4

PCB1 - MODEL

TEST

SETUP

Remove

1.

Panel.
POWER

2.

Gonnect
the

Simulator

test

points

PROCEDURE

On

PCBI,

2.

Set

the

3.

Repeat

4.

Set

the

5.

On

PCB1

6.

Set

the

Repeat

7.

C100

ihe

CONTROL

Set

PCB1

and

switches.

the

Simulator

to

36°C.

and

adjustments.

adjust

R7

until

Simulator

steps 1 and 2 to

Simulator

adjust

Simulator

to

to

R18

to

20

AIR

20

steps 5 and 6 to

MODE

PCB2

to

the

Set

the

the

°C.

ensure

mode

until

°C.

ensure

knob.

vertically

PATIENT

Controller

left

display

Adjust R2

proper

and

the

right

On

PCB1

proper

Remove

behind

PROBE

and

(SKIN)

on

PCB!

settings.

36.0

°C.

display

adjust

settings.

the

five

the

brackets

and

AUXILIARY

Simulator

reads

until

the

Readjust

(AIR)

reads

R13

until

Readjust

screws

to

SKIN

36.0
left

if

36

+/-

the

right

if

which

hold

located

behind

PROBE

mode.

Refer

+/-

0.1

°C.

display

necessary.

0.1

(SKIN)

°C.

display

necessary.

PCB1

the

jacks

to

reads

(AIR)

and

PCB2

to

SILENCE/RESET

on

the

Side

Figure

5.2.

for

20.0

+/-

reads

20+/-

the

Front

Panel.

location

0.1

°C.

0,1

°C.

and

Set

of

5.2.5
TEST

1.

PCB2-

SETUP

Connect
ac

fine

cord

els);

240

On

the

Controller,

On

the

Simulator,

location

MODEL

the

C200

Simulator

through a variac

+/-2V~

(220/240V

set

set

of

test

points

to

the

AUXILIARY

and

Models);

the

SET

the

MODE

and

adjustments.

turn

TEMP

switch

on

the

100

°C

to

PROBE

unit.

+/-

switch

AIR and

jack

on

the

Set

the

variac

2V~ (100V

to

36.0

°C.

the

TEMP

Side

Panel

as

follows:

Models).

switch

to

of

120

36

the

+/-2V~

°C.

Controller.

Connect

(110/120V

Refer

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Figure

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PROCEDURE

1.

Refer

2.

Adjust

3.

Turn

Monitor

4.

Turnthe

Models);

5.

Onthe
the

5a.

Setthe
Vac

6.

Setthevariacas
Vac
approximately

7.

Turn

5.2.6
TEST

1.

2.

PCB1—

SETUP

Remove
behind

Connect
the

PROCEDURE

to

Figure

R35

off

the

TP15

Controller,

logic

variac

(100V Models).

(100V

off

the

Simulator

on

POWER

with

unit

on,

80

+/— 2 Vac

probe

as

Models).

the

power.

MODEL

the

five

brackets

the

Simulator

to

5.3

PCB2

Set

set

just

follows:

follows:

two

screws

AIR

and

connect

for a

reading

switch

the logic

the

variac

(100V

the

AIR

stays

off

130

The

light

120

The

light

seconds

Remove

C200

which

located

to

the

mode.

the

DVM

of

—350

on

the

Controller.

probe.

as

follows:

Models).

SET

TEMP

constantly

+/—2

Vae

on

the

logic

+/-2

Vac

should

(Heater

the

behind

AUXILIARY
Refer

logic

høld

to

go

Off).

PCB1

the

Figure

.

between

+/—

50mV

Connect

95

+/— 2 Vac

On

PCB2

turn

Switch

(full

(110/120V

(110/120V

off for

probe.

SILENCE/RESET

PROBE

to

heater

Models);

probe

should

Models);

approximately

and

PCB2

jack

5.4

for

TP20

(+)

on

the

the

logic

(110/120V

R100

37°C.

Slowly

power).

260

be on

240

to

the

Front

and

on

the

location

and

TP22

on

DVM.

probe

between

Models);

fully

counterclockwise.

turn

R100

+/- 2 Vac
approximately

+/- 2 Vac

four

seconds

Panel.

POWER

Side

Panel.

of

test

(220/240V

(220/240V

Set

switches.

Set

points

(Heater

and

PCB2.

+12

Vde

190

+/— 2 Vac

clockwise

Models);

50

percent

Models);

On)

PCB1

and

the

Simulator

adjustments.

and

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the

of

and

come

PCB2

to

ground.

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light

on

108

+/—

2

the

time.

100

+/-

2

on

for

vertically

36

°C.

Set

1.

2.

3.

4

On

PCB1

adjust

Set

the

Simulator

Repeat

Reassemble

steps 1 and 2 to

R18

to

the

Controller

until

20

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the

display

On

ensure

and

reads

PCB1

adjust

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settings.

36

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R13

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5.2.7
TEST

1.

2.

LEAKAGE

SETUP

Connect
is

ungrounded,

The

leakage

tance

of

must

be

PROCEDURE

1.

Use

the
ground
micro-amps

2.

Reverse

3.

Perform

5.2.8
TEST

2.

OXYGEN

SETUP

1.

Place a calibrated
Apply

PROCEDURE

1.

Turn

the

2.

After

40

3.

Increase
centration

CURRENT

the

Controller

Turn

current

1000

ohms.

adjusted

Leakage

such

as
in

the

plug

steps 1 and 2 with

to

the

test

If

the

to

provide

Current

the

ground

120

Vac

and repeat

CONCENTRATION

oxygen

oxygen

at a flow

unit

ON.

minutes

the

Oxygen

level

is

of

operation,

flow

between

TESTS

the

primary

POWER
standards

Leakage

it.

Tester

connection

Units

or

step

the

Controller

analyzer

rate

of 8 LPM

verify

to

12

LPM.

65%

power

switch

provided
Tester

to

measure

500

micro-amps

1.

TESTS

on

to

that

After

and

95%.

source

on.

in

the

being

between

of a wall

POWER

.

the

maitress

the

O2

the

oxygen

another

through

procedure

used

receptacle.

in

nipple

40

an

does

not

the

chassis

The

220/240

switch

OFF.

in

the

Incubator.

on

the

concentration

minutes

ungrounded

below

assume

provide

Vac

Filter

of

this

of

the

leakage

Units.

Cover.

level

operation,

adapter

unit

current

is

plug,

leakage

resistance,

under

must

between

verify

that

so that

the

unit

through a resis-

the

test

set-up

test

and a known

not

37%

the

exceed

and

oxygen

100

52%.

con-

|

5-9

C100/200

SERVICE

5.3

TROUBLESHOOTING

WARNING:

frame

5.3.1

Troubleshooting
form

good

5.3.2
The

equipment

GENERAL

guides

of

flowcharts.

condition.

TEST

EQUIPMENT

test

equipment

may

be

e

Digital

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9
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Voltmeter,

Logic

Probe — capable
Oscilloscope,Tektronix
Probe

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Resistor,

3.6

4.3

The

may

be

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for

the

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is

assumed

REQUIRED

listed

below

substituted.

Fluke

Model

of

Model

Part

No.

General

K,

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Wat,

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1/4

Watt,

Motor

Assembly

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Incubators

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12

68

5%
5%

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900

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Radio

is

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and

the

Controllers

has

been

for

troubleshooting

Model

WSM

grounded.

are

made

to

the

Coniroller

T3AW

Under

fault

presented

calibrate

the

conditions,

under

unit

and

of

the

Incubator.

the

paragraph

that

all

Equivalent

metal

5.3.3

cables

in

the

are

test

in

9

Resistor,

ㆍ

Resistor,

9

Oxygen

5.3.3

ап ac

TROUBLESHOOTING

Unless

procedures
Controller

otherwise

power

400

100

Analyzer

specified

source

described

is in

the

Ohms,
Ohms,

Incubator.

1/4
1/4

Flowmeter

on

and

the

in

paragraph

the

POWER

Watt,

5%

Watt,

5%

PROCEDURES

troubleshooting

switch

5.2

have

is

on.

been

charts,

all

checks

The

troubleshooting

attempted.

Flowcharts

are

made

charts

with

5-14

the

Controller

assume

and

5-15

that

assume

plugged

the

calibration

that

into

the

5-10