Sanyo MCO-19M(UV) User manual

Service Manual

Multi-gas Incubator

SANYO Electric Co., Ltd.

Biomedical Business Division

MCO-19M

MCO-19M(UV)

SM9910245

FILE No.

()

Effective models

This service manual is effective for following models.

Name Product code Voltage and Frequency

MCO-19M 823 633 51 115V 60Hz

823 633 54 230/240V 50Hz

MCO-19M(UV) 823 633 71 115V 60Hz

823 633 74 230/240V 50Hz

㻌

Contents

㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌 Page

Specifications ------------------------------------------------------- 1

- Structural specifications

- Control specifications

- Performance specifications

Dimensions ----------------------------------------------------------------- 4

Gas circuits ----------------------------------------------------------------- 5

Temperature calibration ----------------------------------------------------------------- 6

CO

2

span calibration ----------------------------------------------------------------- 7

O

2

㻌

span calibration ----------------------------------------------------------------- 8

CO

2

/O

2

zero calibration ----------------------------------------------------------------- 9

Components on PCB ----------------------------------------------------------------- 10

Connections on PCB ----------------------------------------------------------------- 11

Electric parts ----------------------------------------------------------------- 12

Wiring diagram ----------------------------------------------------------------- 13

Circuit diagram (MAIN / LCD) ----------------------------------------------------------------- 14

Control specifications ----------------------------------------------------------------- 16

Operational specifications of LCD panel ---------------------------------------------- 23

Prevention of contamination ----------------------------------------------------------------- 71

Specifications of sensors ----------------------------------------------------------------- 72

Mechanism of Double wavelength IR sensor ---------------------------------------------- 74

Water sensor ----------------------------------------------------------------- 75

Parts layout ----------------------------------------------------------------- 76

Setting procedures for optional components -------------------------------------- 77

How to install UV lamp add-on kit 䠄MCO-19UVS䠅 -------------------------------------- 81

Installation of H

2

O

2

Generator (MCO-HP) ---------------------------------------------- 87

How to install H

2

O

2

decontamination kit (MCO-HL) and Electric lock ------------- 88

How to install Roller Base 䠄MCO-18RB䠅 ---------------------------------------------- 92

How to install Automatic CO

2

cylinder changeover䠄MCO-21GC䠅 ------------- 93

How to install Automatic CO

2

density calibration add-on kit 䠄MCO-SG䠅 ---------- 101

Test data ----------------------------------------------------------------- 102

- Temperature pull-up data

- Humidity pull-up data

- Temperature change during power failure

- Temperature recovery data (30sec/60sec door open)

- Humidity recovery data (30sec/60sec door open)

- CO

2

recovery data䠄30sec/60sec door open䠅

- N

2

/O

2

recovery data䠄30sec/60sec door open䠅

- Days before CO

2

tank becomes empty

- Days before N

2

/O

2

tank becomes empty

- Temperature distribution data – 15points measured

Instruction manual ----------------------------------------------------------------- 106

- 1 -



Specifications

ŶStrucutural specifications

Name Multi-gas

Incubator

Model MCO-19M MCO-19M(UV)

External dimensions W620 x D710 x H900 mm

Internal dimensions W490 x D523 x H665 mm

Interior volume 162 L

Exterior Painted steel

Interior Stainless steel containing copper

Outer door Painted steel

Inner door Stainless steel with gasket

Gas tight split door 4 doors made of temperared glass

Tray

3 trays, made of stainless steel containing copper

Dimensions; W450 x D450 x H12 mm, Maximum load; 7 kg/tray

Access port Inner diameter; 30 mm, On the back side

Insulation Rigid-polyurethane foamed-in place

Heating system DHA system

䠄

Heater jacket and air jacket

䠅

Heater 314 W

Humidifying system Natural evaporation with humidifying pan

Temperature controller PID control system

Temperature display Digital display

䠄

Resolution: 0.1

o

C

䠅

CO

2

controller PID control system

CO

2

density display Digital display (Resolution: 0.1%

䠅

O

2

controller PID control system

O

2

density display Digital display (Resolution: 0.1%

䠅

Air circulation Fan assisted

Air filter 0.3μm, Efficiency: 99.97 % or more

UV lamp (Option) 4 W×1 (Ozone-free emission)

Water level sensor Optical type

Alarms

Automatic set temperature alarm, automatic set CO

2

density alarm,

Automatic set O

2

density alarm, Upper limit temperature alarm,

various gas/sensor/heater alarms, Door alarm, UVlamp failure

Remote alarm contacts Allowable contact capacity: DC 30 V, 2 A

CO

2

inlet connection Diameter; 4

䡚

6 mm tube

CO

2

inlet pressure 0.03 MPaG

䠄

0.3 kg/cm

2

G, 4.3psiG

䠅

O

2

inlet connection Diameter; 4

䡚

6 mm tube

O

2

inlet pressure 0.05 MPaG

䠄

0.5 kg/cm

2

G, 7.1psiG

䠅

- 2 -

Name Multi-gas

Incubator

Model MCO-19M MCO-19M(UV)

Accessories

3 trays, 3 sets of tray support, 1 gas tube, 1 humidifying pan

1 gas injection nozzle, 1 tube for gas injection nozzle,

1 pair of stacking plate A and B, 2 protective stickers, 6 tube bands

Weight 94 kg

UV Lamp Add-on kit

䠄

MCO-19UVS

䠅

MCO-19UVS is standard equipment

Optional accessories

H

2

O

2

generator

䠄

MCO-HP

䠅

H

2

O

2

Decontamination kit

䠄

MCO-HL

䠅

H

2

O

2

Decontamination Reagent

䠄

MCO-H2O2

䠅

Automatic CO

2

density Calibration Add-on Kit

䠄

MCO-SG

䠅

Gas pressure regulator

䠄

MCO-100L

䠅

Extra tray

䠄

MCO-47ST

䠅

including 2 tray supports,

Half tray

䠄

MCO-25ST

䠅

,

Automatic CO

2

cylinder changeover system

䠄

MCO-21GC

䠅

Roller base

䠄

MCO-18RB

䠅

UV lamp replacement kit (MCO-20UV)

Stacking spacer (MCO-18SB, when stacking on the MCO-175)

Stacking spacer (MCO-21SB, when stacking on the MCO-20AIC)

Ethernet (LAN) Interface (MTR-L03), RS232C/RS485 Interface (MTR-480)

SANYO Data acquisition software (MTR-5000)

4-20mA Interface (MCO-420MA, USA only)

- 3 -

ŶControl specifications

Model MCO-19M MCO-19M(UV)

Thermal sensor Thermistor

Temperature display LCD digital display

CO

2

controller Microcomputer; Input by keypad

CO

2

density setting range: 0

䠂䡚

20

䠂䠄

Resolution; 0.1

䠂䠅

Non-volatile memory

CO

2

density display LCD digital display (Resolution; 0.1

䠂

)

Water level detection Water level sensor

䠄

Optic type

䠅

H

2

O

2

decontamination

(Option)

- Microwaved H

2

O

2

decontamination

- Low density H

2

O

2

solution (Oxidor) which can be purchased in the market

- Solution level detection by sensor

Electric lock (Option) Outer door is locked during H

2

O

2

decontamination

UV system Option. UV lamp lighting time can be

extended automatically

UV lamp lighting time can be extended

automatically

Self-diagnosis - Error code and error information are displayed by text.

- Remote alarm contact activates (DC30V, 2A)

㻌

with buzzer sounds.

ŶPerformance specifications

Model MCO-19M MCO-19M(UV)

Temperature control range Ambient temp. +5

䡚

50

o

C

䠄

ambient temp; 5

䡚

35

o

C

䠅

Temperature distribution ±0.25

o

C

䠄

ambient temp; 25

o

C

䚸

setting; 37

o

C, CO

2

5%, O

2

5%, no load

䠅

Temperature variation ±0.1

o

C

䠄

ambient temp; 25

o

C

䚸

setting; 37

o

C, CO

2

5%, O

2

5%, no load

䠅

CO

2

control range 0

䡚

20 %

CO

2

variation ±0.15 %

䠄

ambient temp; 25

o

C, setting; 37

o

C, CO

2

5%, O

2

5%, no load

䠅

O

2

control range 1~18, 22~80 %

O

2

variation ±0.2 %

䠄

ambient temp; 25

o

C, setting; 37

o

C, CO

2

5%, O

2

5%, no load

䠅

Chamber humidity 95±5%R.H.

Rated voltage, frequency 110~120V, 60Hz 220V, 60Hz 220~240V, 50Hz

Amperage Max. 3.1A Max. 1.5A Max. 1.5A

Heat emission Max. 1274 kJ/h Max. 1206 kJ/h

Power consumption Max. 354 W Max. 335W

Noise level 30 dB (A scale)

Usable environment condition

Temperature: 5~35

o

C, Humidity: Equal or less than 80%R.H.

䠄

Designed performance may not be obtained when ambient temp. is equal

or lower than 15

o

C

䠅

Note) Specifications will be subject to change without notice.

- 4 -

Dimensions

Power cord

- 5 -

CO

2

sensor

䚷CO

2

inlet

䚷 port

N

2

/O

2

inlet

port

O

2

/N

2

valve A

O

2

/N

2

valve B

Filter

Sample port

(Front)

O

2

sensor

CO

2

valve

Gas circuits

- 6 -

㻌 Temperature calibration 㻌



Here is the explanation how to calibrate chamber temperature.

Ex) When setting temperature is 37.0䉝 and actual temperature is 36.5䉝

Process Operation MENU

0 Set thermal sensor at the center of the chamber and start the unit running.

Leave it until chamber temperature is stable.

1 Press MENU key in Top screen to call MENU screen. Select Tools. Tools

2 Select Tools (1/2) screen is displayed. Select Temp/CO

2

Calibration.

3 Temp/CO

2

Calibration is displayed and press MENU key to activate MENU key. Select

OK and press ENTER key.

OK

4

Change the value in the column Temp Span to 36.5

䉝

by pressing digit shift key and

numerical value shift key.

5 Press MENU key to call MENU screen. Select OK and press ENTER key. OK

6 Automatically reverts to Select Tools㻌 (1/2) screen.

*Note (1) It is important to have an accuracy in thermal sensor when measuring center temperature of

the chamber.

(2) Input range:1.0䉝 ~ 䇲1.0䉝. It is unacceptable to input over the range at once.

- 7 -

CO

2

span calibration

(Ex䠅When setting CO

2

density is 5.0% and actual CO

2

density is 4.5%:

Process Operation MENU

1 Put densitometer thorough the sample port at the front side of the unit to measure

chamber CO

2

density.

2

Select Tools in the Top Screen.

Tools

3

Select Tools (1/2) is displayed. Select temp / CO

2

Calibration and press OK key.

OK

4 By pressing digit shift key and numerical value shift key, input actual CO

2

density

䠄4.5%䠅 in the column CO

2

Span. Select OK and press ENTER key.

OK

5

Automatically reverts to Select Tools (1/2) screen.

*Note㻌 (1) Input range: +1.0% ~ -1.0% (per input).

(2) Repeat CO2 calibration for several times until displayed CO2 density will match with

actual density.

(3) It is permitted to commence CO2 span calibration only when setting CO2 density is 5.0䠂.

CO

2

span calibration

䠘Display of Process-2䠚

䠘Display of Process-3䠚

- 8 -

O

2

span calibration

(Ex䠅When setting O

2

density is 5.0% and actual O

2

density is 4.5%:

Process Operation MENU

1 Put densitometer thorough the sample port at the front side of the unit to measure

chamber O

2

density.

2

Select Tools in the Top Screen.

Tools

3

Select Tools (1/2) is displayed. Select temp / CO

2

Calibration and press OK key.

OK

4 By pressing digit shift key and numerical value shift key, input actual O

2

density

䠄4.5%䠅 in the column O

2

Span. Select OK and press ENTER key.

OK

5

Automatically reverts to Select Tools (1/2) screen.

*Note (1)㻌 Input range: +1.0% ~ -1.0% (per input).

(2)㻌 Repeat O2 calibration for several times until displayed CO2 density will match with

actual density.

(3)㻌 It is unacceptable to commence O2 span calibration when setting O2 density deviates㻌

䡂rom 18.0 ~ 22.0䠂.

㻌㻌㻌There is a blank in the rignt side of 䇾O2 Span䇿 column.

䠘Display of Process-2䠚

䠘Display of Process-3䠚

O

2

span calibration

䣖䣧䣯䣲䢱䣅䣑䢴䢱䣑䢴䣅䣣䣮䣫䣤䣴䣣䣶䣫䣱䣰䢪䢳䢱䢴䢫

䣒䣘䣘䣱䣮䣶

䣖䣧䣯䣲䣕䣲䣣䣰䢲䢰䢲

䤑

䣅䢵䢹䢰䢲

䤑

䣅䢲䢰䢷

䤑

䣅

䣅䣑䢴䣜䣧䣴䣱䢵䢰䢻䢳䣘䢷䢲䢲

䣅䣑䢴䣕䣲䣣䣰䢲䢰䢲䢧䢷䢰䢲䢧䢵䢰䢳䢸䣘䢹䢲䢲

䣑䢴䣜䣧䣴䣱䢷䢲䢲

䣑䢴䣕䣲䣣䣰䢲䢰䢲䢧䢷䢰䢲䢧䢷䢺䣯䣘䢷䢲䢲

- 9 -

㻌 CO

2

/O

2

zero calibration 㻌

㻌

Prior to commence calibration

zMake sure chamber temperature should be stabilized, CO

2

sensor BOX temperature should be

45䉝±2䉝, setting CO

2

density should be 0.0% and setting O

2

density should be 20.0%.

zMake sure there should not be left CO

2

in the chamber.

* Note) When you re-commence CO

2

calibration, outer door should be opened and make sure

there should not be left CO

2

in the chamber.

Procedure

1. Call Select Tools (1/2) screen to display Temp/CO2/O2 Calibration.

2. Turn the VR3 around CN15 on the main PCB or measure the voltages both ends of R63 to make

CO

2

sensor reference cell voltage

䠄

CO2 Zero

䠅

to 4.00V±0.03V.

3. Turn the VR2 around CN3 on the main PCB or measure the voltages both ends of R40 to make

CO

2

sensor gas cell voltage

䠄

CO2 Span

䠅

to 4.00V±0.03V.

4. Input 0.0% by pressing digit shift key and numerical value shift key and “0.1”% besides right to

the “CO2 Zero” being turned to black. (See the picture below)

5. Press MENU to call MENU display. Select OK and press ENTER key.

䣖䣧䣯䣲䢱䣅䣑䢴䢱䣑䢴䣅䣣䣮䣫䣤䣴䣣䣶䣫䣱䣰䢪䢳䢱䢴䢫

䣒䣘䣘䣱䣮䣶

䣖䣧䣯䣲䣕䣲䣣䣰䢲䢰䢲

䤑

䣅䢵䢹䢰䢲

䤑

䣅䢲䢰䢷

䤑

䣅

䣅䣑䢴䣜䣧䣴䣱䢲䢰䢲䢧䢲䢰䢲䢧䢶䢰䢲䢲䣘䢷䢲䢲

䣅䣑䢴䣕䣲䣣䣰䢶䢰䢲䢲䣘䢹䢲䢲

䣑䢴䣜䣧䣴䣱䢴䢲䢰䢸䢧䢴䢲䢰䢸䢧䢷䢲䢲

䣑䢴䣕䣲䣣䣰䢴䢳䢻䣯䣘䢷䢲䢲

䣖䣧䣯䣲䢱䣅䣑䢴䢱䣑䢴䣅䣣䣮䣫䣤䣴䣣䣶䣫䣱䣰䢪䢴䢱䢴䢫

䣘䣱䣮䣶

䣅䣑䢴䣔䣧䣨䢶䢰䢲䢲䣘

䣅䣑䢴䣉䣣䣵䢶䢰䢲䢲䣘

䣑䢴䣉䣣䣵䢴䢳䢻䣯䣘

- 10 -

Components on PCB

CN14

#1 Local power supply (AC)

#2 Baliast (Option for MCO-19M)

CN302

#1 Top heater,Back heater,

Side heater, Frange heater

#3 Bottom side heater

Bottom front heater

Bottom back heater

#5 Front panel heater

ࠉ Bimetal thermo

Door heater

CN303

#1 CO

2

Heater A/B

#3 Agitating fan motor

CN20

#1-#2 H

2

O

2

relay (Option)

#3-#4 Electric key (Option)

#5-#6 Standard gas valve(Option)

CN21

Control PCB (KEY)

Display PCB (LCD)

CN6

#1-#2 Door Switch

#3-#6 MCO-HP(Option)

#7-#8 Standard gas SW (Option)

CN17

#1-#2 O

2

A valve

#3-#4 O

2

B valve

CN9

#1-#2 CO

2

valve

#3-#4 CO

2

auto changer valve (option)

CN3

#3-#7 CO

2

sensor

CN1

#1-#5 Power transformer

CN2

#1-#2 Switching power supply

CN15

#1-#3

Water sensor

CN16

#1-#4

O

2

sensor

CN10

#1-#2 Remote alarm output

CN11

MTR-480C(Option)

MTR-L03

MTR-420MA

CN4

#1-#2 Overheat protect sensor

#3-#4 Temp.sensor

#5-#6 CO

2

BOX Temp.sensor

R63

For CO

2

zero calibration

R40

For CO

2

span calibration

CN12

#3-#4

Hinge sub heater

CN13

Buzzer PCB

- 11 -

Connections on PCB

䕔Connections on Main PCB

Connector Connects to Usage

Power transformer

CN1

#1 - #2: AC8.5V

#3: GND

#4, #5: AC18V

Power supply to PCB

CN2

Switching power supply

#1 - #2: 䠄GND䠅, DC5V

Power supply to PCB

CN3 CO

2

sensor Control of CO

2

density

CN4

#1 - #2:

#3 - #4:

#5 - #6:

Overheat protect sensor

Temp. sensor

CO

2

BOX Temp. sensor

Detection of temperatures in the

chamber

CN6

#1 - #2: Door switch

#3 - #6:㻌 MCO-HP 䠄Option䠅

#7 - #8: Standard gas switch (Option)

Detection of door opening

CN9

#1 - #2: CO

2

valve 䠄DC24V䠅

#3 - #4: CO

2

auto changer valve (Option)

Control of CO

2

valve

CN10

Remote alarm output

#1: COM

#2: N.O.

#3: N.C.

Output for remote alarm contact

Open between #1 and #2 in

normal condition.

CN11 MTR-480 (Option) Communication board

CN12 #3 - #4: Hinge sub heater Control of hinge sub heater

CN13 #1 - #2: Buzzer PCB

CN14

#2: UV lamp, ballast 䠄Option for MCO-19M䠅

CN15 #1 - #3: Water sensor

Detection of water level in

humidifying pan

CN16 O

2

sensor Control of O

2

density

CN17

#1 - #2: O

2

A valve

#3 - #4: O

2

B valve

Control of O

2

valve

CN20

#1 - #2: H

2

O

2

relay 䠄DC24V䠅䠄Option䠅

#3 - #4: Electric lock䠄DC24V䠅䠄Option䠅

#5 - #6: 㻌 Standard gas valve䠄DC24V䠅䠄Option䠅

CN21

Control PCB䠄KEY䠅

Display PCB䠄LCD䠅

CN302

#1: Top heater, Back heater, Side heater,

Flange heater

#3: Bottom side heater, Bottom front/back heater

#5: Front panel heater, Bimetal thermostat,

Door heater

Control of heaters

CN303

#1: Temp. fuse 70䉝, CO

2

heater A,

CO

2

heater B

#3: Condensing fan motor

Control of temperature in CO

2

sensor BOX

Control of condensing fan motor

Condensing fan motor

Type FL2-011Y1MP FL2-011Y5MP

Power supply

Type HWS15-5 ZWS15-5/J

Rating 110-115V 220-240V DC5V Rating

IN:85-265VAC 5V, 3A

Temp. fuse 70䉝

Type SF70U SF70U

Power switch

Type BAM210131 BAM210131

Rating 250V, 7A 250V, 7A Rating AC250V, 10A AC250V, 10A

Flange heater

Rating AC115V, 31W AC230V, 31W

Door switch

ᆺᘧ SS160-A15 SS160-A15

Resistance 432.7ȍ 1685.4ȍ ᐃ᱁ 28V, 50MA 28V, 50MA

Door heater

Rating AC115V, 85W AC230V, 85W

Noise filter

Type ZHG2210-11S ZHG2210-11S

Resistance 156.9ȍ 610.3ȍ Rating AC250V, 10A AC250V, 10A

Bottom front heater

Rating AC115V, 11.5W AC230V, 10W

CO2 valve

Type FAB11-X2265 FAB11-X2265

Resistance 1149ȍ 5319ȍ Rating DC24V DC24V

Bottom front/back heater

Rating AC115V, 10W AC230V, 10W

O2 valve A/B

Type FAB216212C FAB216212C

Resistance 1308ȍ 15558.8ȍ Rating

CO2 heater A

Rating AC71V, 19.5W AC141V, 19.5W

Power transformer

Type ATR-R502V ATR-R502V

Resistance 254ȍ 1014ȍ 䠄MCO-HL, option) Rating 115V 230V

CO2 heater B

Rating AC45V, 12.5W AC89V, 12.5W

H2O2 relay

Type G2R-1A-T G2R-1A-T

Resistance 160ȍ 639ȍ

(MCO-HL, option)

Rating 24V, 10A, 250V 24V, 10A, 250V

Front panel heater

Rating AC115V, 37W AC230V, 37W

Electric key

Type LE-36 LE-36

Resistance 353.7ȍ 1460ȍ

(MCO-HL, option)

Rating DC24V DC24V

Bottom side heater R, L

Rating AC115V, 14W AC230V, 14W

Standard gas switch

Type SPS-35 SPS-35

Resistance 945ȍ 5290ȍ

(MCO-SG, option)

Rating 5KPA 5KPA

Side heater R, L

Rating AC115V, 30W AC230V, 30W

Standard gas valve

Type FAB11-X2265 FAB11-X2265

Resistance 441ȍ 1763ȍ

(MCO-SG, option)

Rating DC24V DC24V

Top heater

Rating AC115V, 8.0W AC230V, 8W

Resistance 1647ȍ 6590ȍ

Back heater

Rating AC115V, 12W AC230V, 12W

Resistance 1104ȍ 4415ȍ

Hinge sub heater R,L Rating AC36V, 0.3W AC36V, 0.3W

Resistance 4410ȍ 4410ȍ

Bimetal thermostat

Type TH-2U TH-2U

Rating ON:60䉝 OFF:70䉝 ON:60䉝 OFF:70䉝

CO2 sensor

Type IR sensor IR sensor

Rating TPS2534 TPS2534

O2 sensor

Type FCX-MW FCX-MW

Water sensor

Type OLS-10003S OLS-10003S

Rating 5V 5V

Overheat protect sensor

Type 103AT-1 103AT-1

Rating 10Kȍ,25䉝 10Kȍ,25䉝

Temp. sensor

Type 103AT-1 103AT-1

Rating 10Kȍ,25䉝 10Kȍ,25䉝

CO2 BOX temp. sensor

Type 103AT-1 103AT-1

Rating 10Kȍ,25䉝 10Kȍ,25䉝

Ballast

Type EKF-04115B1 EKF-04115B1

(Option for MCO-19M)

Rating 115V, 4W 115V, 4W

UV lamp

Type GL4 GL4

(Option for MCO-19M)

Rating 4W 4W

Glow starter Type FG-7P FG-7P

(Option for MCO-19M)

Power transformer

Type ATR-HN231UT ATR-HN235T

Rating 8.5V, +/-18V 8.5V, +/-18V

AC115V, 60Hz AC230/240V, 50HzAC115V, 60Hz

MCO-19M/19M(UV)

AC230/240V, 50Hz

MCO-19M/19M(UV)

Electric parts

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Wiring diagram

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Circuit diagram

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< LCD PCB >

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Control specifications

1. Temperature control

(1) Setting range: 0.0Υ~50.0Υ(Default setting: 37.0Υ)

(2) Automatic set temperature alarm

High temperature alarm setting range: Set temperature +1.0~+5.0Υ(Default setting:+1.0Υ)

Low temperature alarm setting range: Set temperature -1.0~-5.0Υ(Default setting:-1.0Υ)

(3) Alarm delay time: 0~15 minutes (Default setting: 15 minutes)

(4) How to set temperature

In TopScreen, press MENU key and select Set to display Stand-by Setting screen.

Move a curser on “Temperature” and set a value by pressing numeric keys.

Press MENU key and select OK and press ENTER key to memorize the value.

2. CO2 control

(1) Setting range: 0.0%~20.0%(Default setting: 0.0%)

(2) Automatic set CO2 density alarm

High CO2 density alarm setting range: Set density +0.5%~+5.0% (Default setting: +1.0%)

Low CO2 density alarm setting range: Set density -0.5%~-5.0% (Default setting: -1.0%)

(3) Alarm delay time: 0~15 minutes (Default setting: 15 minutes)

(4) How to set CO2 density

In TopScreen, press MENU key and select Set to display Stand-by Setting screen.

Move a curser on “CO2 Density” and set a value by pressing numeric keys.

Press MENU key and select OK and press ENTER key to memorize the value.

3. N2/O2 control

(1) Setting range: 1.0%~80.0% (Default setting: 20.0%)

It is uncontrolled O2 density when O2 setting range is exceeding 18.0% and less than 22.0%.

(2) Automatic set O2 density alarm

High O2 density alarm setting range: Set density +0.5%~+5.0% (Default setting: +1.0%)

Low O2 density alarm setting range: Set density -0.5%~-5.0% (Default setting: -1.0%)

(3) Alarm delay time: 0~30 minutes (Default setting: 30 minutes)

(4) How to set O2 density

In TopScreen, press MENU key and select Set to display Stand-by Setting screen.

Move a curser on “O2 Density” and set a value by pressing numeric keys.

Press MENU key and select OK and press ENTER key to memorize the value.

4. Alarms, safety functions and self diagnosis functions

(1) Upper limit temperature alarm

Setting range: Approx.35Υ~51Υ

When a chamber temperature is over the setting upper limit temperature, OVERHEAT indicator

will illuminate, buzzer will sound continuously and remote alarm will be active.

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(2) Automatic set temperature alarm

Setting range: Set temperature +/-1.0Υ~+/-5.0Υ (Default setting: +/-1.0Υ)

When a chamber temperature deviates from alarm setting range, the digits displaying current

chamber temperature will start blinking.

The following message will be displayed after an alarm delay time elapses.

“Warning:High Temp” --- For high temperature alarm

“Warning:Low Temp” --- For low temperature alarm

Buzzer will sound intermittently and remote alarm will be active.

(3) Automatic set CO2 density alarm

Setting range: Set CO2 density +/-0.5%~+/-5.0% (Default setting: +/-1.0%)

When a CO2 density deviates from alarm setting range, the digits displaying current CO2 density

will start blinking.

The following message will be displayed after an alarm delay time (0~15minutes) elapses.

“Warning:High CO2 Density” --- For high CO2 density alarm

“Warning:Low CO2 Density” --- For low CO2 density alarm

Buzzer will sound intermittently and remote alarm will be active.

(4) Automatic set O2 density alarm

Setting range: Set O2 density +/-0.5%~+/-5.0% (Default setting: +/-1.0%)

When a O2 density deviates from alarm setting range, the digits displaying current O2 density

will start blinking.

The following message will be displayed after an alarm delay time (0~30minutes) elapses.

“Waring:High O2 Density” --- For high O2 density alarm

“Warning:Low O2 Density” --- For low O2 density alarm

Buzzer will sound intermittently and remote alarm will be active.

(5) Auto Return

If there are no key operations for 90seconds in each setting screen, the setting mode will be

forcibly to the end and Top screen will be appeared.

(6) Key Lock

When Key Lock is active, the following message will be displayed on the stand-by setting screen.

“Key Lock” --- Key Lock is active

It is not permitted to change a stand-by setting value.

(7) Door alarm

Setting range of door alarm delay time: 1~30 minutes (Default setting: 2 minutes)

If an outer door is left opened, the following message will be displayed on the status screen.

“Door:Open” --- Outer door is left opened

Buzzer will sound intermittently after a door delay time elapses.

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Sanyo MCO-19M(UV), MCO-19M User manual

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