Sanyo MCO-5M User manual

FILE No.
SM9910047
SANYO Electric Biomedical Co., Ltd.
Service Manual Multi-gas Incubator
MCO-5M

Contents
Page
Features 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 1
Structural specification 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 2
Performance specification 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 3
Control specification䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 4
Dimension 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 5
Electrical parts 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 6
Temperature calibration 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 7
Notes when the unit installation䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 7
O
2
Calibration 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 8
CO
2
Calibration 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃9
Control specifications 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 10
Wiring diagram䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃24
Circuit diagram䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃25
Components on PCB 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 26
Connection on PCB 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 27
Gas circuit 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 28
Instructions on replacing main P.C.B. and CO
2
/O
2
sensor 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 29
Prevention of contamination 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 31
Specifications of sensor 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 32
Specifications of O
2
sensor 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 33
Parts layout 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 34
Test data 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 37
How to reverse the door 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 42
UV lamp (MCO-18UVS2 *) installation procedure 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 44
UV lamp kit for replacement 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 46
How to replace water sensor 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 50
Automatic gas switcher (MCO-5GC *) mounting procedure䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 51
Stacked module䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 54
Instruction Manual 䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃䍃 55
* Optionally provided.

Effective models
This service manual is effective following models.
Model name Model code Voltage and Frequency
MCO-5M 823 284 51 110-120V 60Hz
823 284 54 220-240V 50Hz
㩷

1
Features
1. Easy operation & smaller installation space
zThis small sized cabinet can be stacked. (548mm of its depth)
zUsable height (only 1725mm height) even if stacked 3 units.
zSelectable right or left-hand door.
(Please consult with your service representative.)
zAir-jacket type is suitable for the maintenance.
zControl panel is fitted on the outer door surface and it has a wide digital display
and a large keypad.
zInside chamber wall made by stainless steel and R corner structure makes
cleaning easier.
2. Internal temperature & internal humidity recovery characteristics
zOriginal Direct Heat & Air (DHA) jacket and PID temperature control system
3. Anti-bacteria SUS
zInside chamber (except for humidifying pan) material is made by anti-bacteria
SUS.
4. A new ROM installed
zA new ROM version installed to set Communication system optionally.
5. Validation
zDisplay Zero Adjustment and Span Adjustment can be operated on the control
panel.
Note ; Model name
MCO – 5 M
㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷
M:Multigas
5:Chambercapacity(50L)
CO:CO
2Incubator
M: Medical equipment

2
Structural specification
Name Multi gas incubator
Model MCO-5M
External dimensions W 480 x D 548 x H 575 (mm)
Internal dimensions W 350 x D 378 x H 375 (mm)
Interior volume 49 L
Exterior Acrylic finish baked on zinc galvanized steel
Interior Stainless steel containing copper (R corner structure)
Insulation Rigid polyurethane foamed-in place (CFC-FREE)
Outer door Acrylic finish baked on zinc galvanized steel,
Reversible support (selectable right or left-hand door)
Inner door Tempered glass (thickness 5mm)
Tray
Stainless steel containing copper
Standard 3 trays (maximum 6 trays) available
W310 x D310 x H12 (mm), Maximum load: 4kg/tray
Access port 㱢30mm x 1, on the back side
Accessories
Power supply cord, 3 trays, 3 gas tube, 1 humidifying pan,
Stacking plate A & B, 4 protective stickers, 6 tube bands,
1 injection nozzle, 1 injection nozzle tube
Weight 50 kg
Optional accessory
Self-contained CO
2
cylinder changeover system (MCO-5GC)
Extra tray (MCO-30ST), UV system kit (MCO-18UVS2),
Roller base (MCO-5RB), CO
2
cylinder regulator (MCO-100L)
Parts for Antibacterial stainless steel䋺
䂾㩷 Inner cabinet
䂾㩷 Trays
䂾㩷 Tray support (right & left)
䂾㩷 Duct
䂾㩷 Humidifying pan cover
㶎The humidifying pan is not made of stainless steel containing copper.

3
Performance specification
Model MCO-5M
Usable environment
condition
Temperature: 5㷄䌾35㷄
Humidity: equal or less than 80%R.H.
(When an ambient temperature is equal or lower than 䋫15㷄,
the desired performance may not be obtained)
Temperature control range Ambient temperature䋫5㷄䌾50㷄
(ambient temperature; 5㷄䌾35㷄)
Temperature distribution 㫧0.25㷄㩷 㶎
(ambient temperature:25㷄, setting:37㷄, CO2:5%, no load)
Temperature variation 㫧0.1㷄㩷 㶎
(ambient temperature:25㷄, setting:37㷄, CO2:5%, no load)
CO
2
control range 0䌾20䋦
CO
2
variation 㫧0.15䋦
O
2
controller PID control system
O
2
control range 1䌾18䋦, 22䌾80%
O
2
variation 㫧0.2䋦
Chamber humidity 95㫧5䋦RH
CO
2
inlet pressure 0.03 MPaG (0.3kgf/cm
2
G, 4.3psiG)
O
2
inlet pressure 0.05 MPaG (0.5kgf/cm
2
G, 7.1psiG)
Power supply Single phase, local voltage
Maximum power
consumption 205 W
Total maximum current 110-120VAC, 60Hz: Maximum 1.8 A
220-240VAC, 50Hz: Maximum 0.9 A
Maximum heat emission 740 kJ/h
Test condition䋺
Set point䋺䋫37㷄
CO
2
set point䋺5.0䋦
O
2
set point: 5.0%
No load
Ambient temperature䋺䋫25㷄
Ambient humidity䋺Approx.45䋦
㶎Based on the measuring method on validation service manual.

4
Control specification
Model MCO-5M
Heating system Direct Heat & Air (DHA) jacket system
Temperature control
system
PID control
Sensor: Thermister sensor (103AT-1)
Directly detect and control
Temperature display LED digital display (resolution: 0.1㷄)
CO
2
controller PID control / TC sensor (direct detection in chamber)
CO
2
density display LED digital display (resolution: 0.1%)
O
2
controller PID control / zirconia sensor (direct detection in chamber)
O
2
density display LED digital display (resolution: 0.1%)
Humidifying system Natural evaporation with humidifying pan
Water level sensor Optical type
Air circulation Fan assisted
Alarm High/low temperature alarm, CO
2
density alarm, Door alarm,
Upper limit temperature alarm, water level alarm, UV lamp alarm
Remote alarm
When an alarm is triggered:
Remote alarm ON (Alarm interlocks with buzzer)
Allowable contact capacity:DC 30V, 2A
Self diagnosis function Error code and internal temperature are alternately displayed
Buzzer and remote alarm contact ON
UV lamp control *
Automatic ON-OFF control (changeable with Function mode)
1. Interlock with door:
UV lamp lights for setting period after door is open and shut.
2. OFF mode: UV lamp does not light.
* UV lamp is an optional accessory.

5
Dimension

6
Electrical parts
MCO-5M
AC110-120V, 60Hz AC220-240v,50Hz
CO2sensor Code HS-3C-S3 HS-3C-S3
O2sensor Code FCX-MW FCX-MW
Type 103AT-1 103AT-1Temp. sensor
Rating 10K㱅(25㷄) 10K㱅(25㷄)
Type 103AT-1 103AT-1Overheat protect sensor
Rating 10K㱅(25㷄) 10K㱅(25㷄)
Type FL2-011Y1MP FL2-011Y5MPFan motor
Rating 110-115V 220-240V
Type ATR-HN231UT ATR-HN235T
Primary 115V 230V
Transformer for PCB
Secondary 8.5VAC 㫧18VAC 8.5VAC 㫧18VAC
115V 4.5W 230V 4.5WTop heater Rating
2939㱅11775.6㱅
115V 16W 230V 16WBack heater Rating
827㱅3306.3㱅
115V 15W 230V 15WSide heater (R) Rating
882㱅3526.7㱅
115V 15W 230V 15WSide heater (L) Rating
882㱅3526.7㱅
115V 20W 230V 20WFlange heater Rating
661㱅2645㱅
115V 2.5W 230V 2.5WBottom front heater Rating
5290㱅21160㱅
115V 3.4W 230V 2.5WBottom back heater Rating
3890㱅21160㱅
115V 10W 230V 10WBottom side heater (R) Rating
1323㱅5290㱅
115V 10W 230V 10WBottom side heater (L) Rating
1323㱅5290㱅
115V 5W 230V 5WBottom front/back sub heater Rating
2645㱅10580㱅
115V 18W 230V 18WFront panel heater Rating
735㱅2938.9㱅
115V 60W 230V 60WDoor heater Rating
220㱅881.7㱅
36V 0.3W 36V 0.3WHinge sub heater (R) Rating
4320㱅4320㱅
36V 0.3W 36V 0.3WHinge sub heater (L) Rating
4320㱅4320㱅
Type FAB11-X1528 FAB11-X1528CO2valve
Rating DC24V DC24V
Type VA01PSV23-1L-M5 VA01PSV23-1L-M5O2valve
Rating DC24V DC24V
Type ZUG2210-11 ZUG2210-11Noise filter
Rating 250VAC 10A 250VAC 10A
Type BAM210171 BAM210171Power switch
Rating 250VAC 10A 250VAC 10A
Type SS160-A15 SS160-A15Door switch
Rating 28V 50mA 28V 50mA
Type ZWS15-5/J ZWS15-5/J
Primary AC85-265V AC85-265V
DC 5V power supply
Secondary DC5V 3A DC5V 3A
Type OLS-1003S OLS-1003SWater sensor
Rating DC5V DC5V
Type GL4 GL4UV lamp *
Rating 4W 4W
Glow starter * Type FG-7P FG-7P
Ballast * Rating 230V, 50Hz 230V, 50Hz
* Optionally provided.

7
Temperature calibration
䋨1䋩Press CAL key for approx. 5 seconds.
䋨2䋩The top (the 3
rd
) digit of temperature display is flashing, other digits will go off.
䋨3䋩Set the present correct temperature with key and key. Press 㩷ENT key.
䋨4䋩The display will automatically revert to the present temperature.
䈀Example䈁If the internal temperature display shows 37.0㷄䋨the set value䋩and the
actual measured value is 36.8㷄,
㽲㩷 Press㩷CAL 㩷key for approx. 5 seconds.
㽳The “3” (top digit) of temperature display is flashing, other digits will go off.
㽴Set the displayed value at 36.8㷄with key and key, then press ENT
key.
㽵The display will automatically revert to the present temperature.
䋨Note䋩
䊶㩷In temperature calibration, it is important to accurately measure the internal temperature.
Particularly, for the thermometer used, its grade of accuracy should be than 0.5 class. The
measure should be carried out at the center of the chamber.
䊶㩷The temperature calibration range is between the set value 㫧1.0㷄. If the value over this
range is input, an error tone will be emitted, the input data will be ignored, and the display
will revert to the present temperature. Therefore, if you need to calibrate more than 1.0㷄,
you should repeat above procedure several times.
㩷Notes when the unit installation 㩷
㩷
The displayed internal CO
2
is higher than the actual when the internal temperature and
humidity are not stabled (reached) just after the unit started running.
It is not abnormal because the CO
2
sensor is heat conducting type.
After the internal temperature is set to desired value and CO
2
is set to 0%, pour 1.5L distilled
water into the humidifying pan then run the unit for approx. 8hours to be internal temperature
and humidity stabled.
Finally perform CO
2
zero setting and CO
2
span setting.
Note) When Key Lock is ON, calibration mode is disabled.

8
O2Calibration
Prior to O
2
calibration performed, make sure internal temperature, humidity, CO
2
density and
O
2
density are stabilized.
O
2
calibration should be performed prior to CO
2
calibration.
1. O
2
zero adjustment
䋨1䋩Press CAL key for approx. 5 seconds.
䋨2䋩The top (the 3
rd
) digit of temperature display is flashing, other digits will go off.
䋨3䋩Press CAL key again.
䋨4䋩The top (the 3
rd
) digit of CO
2
density display is flashing, other digit will go off.
䋨5䋩Press CAL key again.
䋨6䋩㩷 The top (the 3
rd
) digit of O
2
density display is flashing, other digit will go off.
䋨7䋩Set “20.0” with key and key. Press 㩷ENT key.
䋨8䋩The display will automatically revert to the present temperature.
2. O
2
span adjustment
䋨1䋩Press CAL key for approx. 5 seconds.
䋨2䋩The top (the 3
rd
) digit of temperature display is flashing, other digits will go off.
䋨3䋩Press CAL key again.
䋨4䋩The top (the 3
rd
) digit of CO
2
density display is flashing, other digit will go off.
䋨5䋩Press CAL key again.
䋨6䋩㩷 The top (the 3
rd
) digit of O
2
density display is flashing, other digit will go off.
䋨7䋩Set the present correct O
2
density with key and key. Press 㩷ENT key.
䋨8䋩The display will automatically revert to the present temperature.
䈀Example䈁If the internal O
2
density display shows 5.0%䋨the set value䋩䇮the actual
measured value is 4.5,
㽲㩷 Press㩷CAL 㩷key for approx. 5 seconds.
㽳㩷 The top digit of temperature display is flashing, and other digits will go off.
㽴㩷 Press CAL key again.
㽵㩷 The top digit of CO
2
density display is flashing, other digits will go off.
㽶㩷 Press CAL key again.
㽷㩷 The top digit of O
2
density display is flashing, other digits will go off.
㽸㩷 Set the displayed value at 4.5% of the actual measured value with key
and key, then press ENT key.
㽹㩷 The display will automatically revert to the present temperature.
䋨Note䋩
When O
2
density is displayed less than 20.6% even if you try to input more than 20.6%, an
error tone will be emitted, the input data will be ignored to revert to PV display.
When O
2
density is displayed more than 20.6% even if you try to input less than 20.6%, also
an error tone will be emitted, the input data will be ignored to revert to PV display.
㶎O
2
density in the atmosphere is about 20.6%.

9
CO2Calibration
Prior to calibration performed, make sure there is not CO
2
in the unit and the internal
humidity is stable. If you perform calibration with the internal humidity unstable, you may get
the CO
2
density incorrectly.
Perform calibration before CO
2
is injected.
Never perform CO
2
calibration before O
2
calibration is completed.
1. Procedure
(1) Pour sterilized water into humidifying pan and operate unit for approx. 10hrs with SV
37㷄. Ensure the internal humidity should be stabled in 90% or higher.
CO
2
setting should be 0%.
<Note> 1) Never open the door during the operation to stabilize internal humidity.
2) It takes approx. 5hours to stabilize internal humidity since the operation started.
You cannot get the correct value for CO
2
zero adjustment if internal humidity is
not stabilized.
2. CO
2
zero adjustment
䋨1䋩Press CAL key for approx. 5 seconds.
䋨2䋩The top (the 3
rd
) digit of temperature display blinks, other digits will go off.
䋨3䋩Press CAL key again.
䋨4䋩The top (the 3
rd
) digit of CO
2
density display blinks, other digit will go off.
䋨5䋩㩷 Set “00.0” with key and key. Press 㩷ENT key.
䋨6䋩The display will automatically revert to the present temperature.
3. CO
2
span adjustment
(1) Press CAL key for approx. 5 seconds.
(2) The top (the 3
rd
) digit of temperature display blinks, other digits will go off.
(3) Press CAL key again.
(4) The top (the 3
rd
) digit of CO
2
density display blinks, other digit will go off.
(5) Set the present correct value with key and key. Press 㩷ENT key.
(6) The display will automatically revert to the present temperature.
Note) When Key Lock is ON, calibration mode is disabled.

10
Control specifications
1. Key and switch
BZ : When an alarm LED is flashing and the buzzer sounds,
Buzzer and remote alarm output are forcibly turned off.
When an alarm lamp flashing and the buzzer does not sound, buzzer remains OFF.
SET : Press this key once to enter the device into internal temperature setting mode.
Press the key twice to enter the device into CO
2
level setting mode.
Press the key 3 times to enter the device into O
2
level setting mode.
Press the key 4 times to check over-heat protection temperature.
Press the key 5 times to revert to internal temperature (PV) display.
: In the setting mode, the device can be shifted the 2
nd
digit the 1
st
digit the
1
st
decimal place.
In PV display, press this key for 5 seconds or more to be Key Lock mode operative.
(“L0” is displayed)
: In the setting mode, the blinking digit counts up.
CAL :
Note)
In PV display, press the key approximately 5 seconds to enter the device into the
internal temperature calibration mode, press again to enter the device into the CO
2
calibration mode and press again to enter the device into the O
2
calibration mode.
When the CO
2
setting value (SV) is 0%, the device goes into O
2
calibration mode,
instead of the CO
2
calibration mode. When the O
2
is set at 18.1~21.9%, the device
goes into PV display instead of the O
2
calibration mode.
In the temperature calibration mode, input FXX with key and then press ENT
key to enter the device into the function mode to obtain information of each mode.
During CO
2
/O
2
Auto Zero adjustment (the decimal point of indicator is flashing),
the CO
2
/ O
2
calibration will not be performed with beeping the buzzer for a second
continuously even if ENT key is pressed.
ENT : During setting mode, CAL mode and Function mode, press the key to store the
value. The function is not valid for the unchangeable values.
CO
2
gas supply
line indicator :
The key is available only in Auto Changer mode (optional mode) in F08.
In Auto Changer mode, press the key to switch the cylinder in use to
another one. When lamp lighting indicates as the CO
2
cylinder A in
current use. When blinking indicates as the CO
2
cylinder B in current use.
Lamp is turned off if Auto Changer mode is unavailable in F08.
O
2
/N
2
gas supply
line indicator :
Press the key to switch the cylinder emptied to another one. (That is Auto
Changer mode).
(Ex: When the O
2
/N
2
cylinder in current used is emptied, the lamp
switches to blink.

11
<Ex.1>When O2/N2Cylinder A is emptied:
Operate with O2/N2Cylinder A
O2/N2lamp is lit
When O2/N2Cylinder A in current use
is emptied, operation is switched from
Cylinder A to Cylinder B. At the time
the display shows internal O2level and
“A” alternately.
O2/N2lamp is blinking
If O2/N2Cylinder B is also emptied,
operation is switched from Cylinder A
to Cylinder B. The display shows
internal O2level and “A” alternately.
(Both Cylinder A and B are emptied)
O2/N2lamp is lit
<Ex.2>When O2/N2Cylinder B is emptied:
Operate with O2/N2Cylinder B
O2/N2lamp is blinking
When O2/N2Cylinder B in current use
is emptied, operation is switched from
Cylinder B to Cylinder A. At the time
the display shows internal O2level and
“b” alternately.
O2/N2lamp is lit
If O2/N2Cylinder A is also emptied,
operation is switched from Cylinder B
to Cylinder A. The display shows
internal O2level and “A” alternately.
(Cylinder A has priority to be displayed
when both Cylinder A and B are
emptied)
O2/N2lamp is blinking
A / B : In CO2 setting mode, press the key to switch the CO2 cylinder in use to another one.
(Ex. When the CO2 cylinder A is currently used, press the key to switch to the CO2
cylinder B. Press again to switch to the CO2cylinder A.)
In O2 setting mode, press the key to switch the O2 cylinder in use to another one.
(Ex. When the O2 cylinder A is currently used, press the key to switch to the O2
cylinder B. Press again to switch to the O2cylinder A.)

12
2. Temperature control
Setting range :
Display range :
0°C ∼50°C
0°C ∼99.9°C
Setting method : Press the SET key. Change to the desired value with key and
key, then press the ENT key. The value will be stored and then the
device shifts to CO2setting mode.
Out of the range: When a value is set out of the range and ENT key is pressed, buzzer
sounds 1 second (continuously) and the previous value is still remained.
Control : PIDcontrol
Alarm : When the PV is SV ±1°C or higher, the display digit blinks.
After 15minutes later, buzzer sounds and remote output turns ON.
3. CO2control
Setting range :
Display range :
0%~20%
Note) When O2 setting value is 70.1% or more, you can only set CO2 in
10% or less.
0%~99.9%
Setting method : Press SET key for twice.
Change to the desired value with key and key, then press ENT
key to store the CO2 value. Then the device shifts to the O2setting
mode.
Out of the range: When a value is set out of the range and ENT key is pressed, buzzer
sounds 1 second (continuously) and the previous value is still remained.
Control : PIDcontrol
Control OFF : When a value is set in 0.0%, CO2display will be disappeared to be the
Control OFF.
Alarm : When the internal CO2level deviates SV ±1% or higher, CO2display
blinks. After the 15mininutes later, buzzer sounds and remote alarm
terminal turns ON.
Warming-up : The unit is warming-up for 4 minutes just after the power supplied.
At the time CO2display is shown as “- - -“.
During warming-up, every control and alarms would be inoperative.
4. O2 control
Setting range : 1%~18%, 22%~80%
Note) When CO2 setting value is 10.1% or more, you can only set O2 in
70% or less.
Display range : 0~99%
Setting method : Press SET key for three times.
Change to the desired value with key and key, then press ENT
key to store the O2 value. Then the device shifts to the overheat
protection temperature setting mode.
Out of the range: When a value is set out of the range and ENT key is pressed, buzzer
sounds 1 second (continuously) and the previous value is still remained.
Control : PIDcontrol
Control OFF : When O2value is set in 18.1~21.9%, O2display will be disappeared to
be the Control OFF.
Alarm :
Warming-up :
When the internal O2level deviates SV ±1% or higher, O2display blinks.
After the 15mininutes later, buzzer sounds and remote alarm terminal
turns ON.
The unit is warming-up for 4 minutes just after the power supplied.
At the time CO2display is shown as “- - -“.
During warming-up, every control and alarms would be inoperative.

13
5. Overheat protection temperature check mode
Setting range : 35°C ∼51°C
Setting method : Press SET key for four times to display the overheat protection
temperature on PV display and “HI” on CO2display.
Press SET key again to revert to PV display.
6. Alarm, safety mode and self diagnosis
In sensors malfunctions and CO2/O2control malfunctions, an error code and PV is
displayed alternately.
Note) The remote alarm is controlled in every a minute.
That’s why the remote alarm control is delayed 4~5 minutes after an error is displayed.
<Error code>
E01: CO2is not supplied
E02: O2/N2 is not supplied
E03: CO2 connection is faulty
E04: O2/N2 connection is faulty
E05: Temp. sensor is open circuit
E06: Temp. sensor is short circuit
E09: Ambient temperature sensor is open circuit
E10: Ambient temperature sensor is short circuit
E11: CO2sensor output voltage is abnormal
E12: Main heater is abnormal
E13: Bottom heater is abnormal
E14: Door heater is abnormal
E16: SSR for each heater is open circuit
E18: UV lamp malfunction (a lamp blown out, a glow lamp unfitted and so on)
E19: O2sensor is abnormal
The description of error codes are follow:
E01 : CO2cylinder is not supplied
When the CO2density does not go up 0.2%* or more in 1 minute even though the
valve is opened, “E01” and “Internal temperature“ are displayed alternately, and
buzzer sounds intermittently.
The definite action that CO2cylinder is empty, repeats twice, therefore it takes
approximately 2minutes to display an error after the cylinder would be emptied.
When O2/N2 is supplied, E01 is cancelled.
Ú If CO2piping is crushed, “E01” is also displayed.
* 0.1 % or more when CO2is set at 3 % or lower.
E02 : O2/N2 cylinder is not supplied
When the O2/N2 density does not go up 0.2% or more in 1 minute even though the
O2/N2 valve is opened, “E02” and “Internal temperature “ are displayed alternately,
and buzzer sounds intermittently.
The definite action that O2/N2 cylinder is empty, repeats twice, therefore it takes
approximately 2minutes to display an error after the cylinder would be emptied.
ÚIf O2/N2piping is crushed, “E02” is also displayed.
E03 : CO2 connection is faulty
When CO2 increases 1.0% or more in a minute even though CO2 valve is turned
off, “E03” and “Internal temperature” are displayed alternately, and buzzer sounds
intermittently. CO2 is faulty connected to O2/N2 port. When CO2 is set in 0%, CO2
error is cancelled and “E03” is not displayed.
Diagnosis would not be done for 5 minutes after the door shut to prevent diagnosis
being done wrongly.

14
E04 : O2/N2 connection is faulty
In N2 display is set in 23% or more, O2 display is set in 17% or less, when O2/N2
increases 0.5% or more in a minute with more than 75% of O2/N2 valve opened,
“E04” and “Internal temperature” are displayed alternately, and buzzer sounds
intermittently.
E05,E06 : Temp. sensor malfunction (open / short circuit)
Note)
When the micro-computer detects an internal temperature as 0°C or lower, it is
judged as “open circuit” displaying alternately “E05” with PV and sounding
intermittent buzzer.
When the micro-computer detects an internal temperature as +60°C or higher, it is
judged as “short circuit” displaying alternately “E06” with PV and sounding
intermittent buzzer.
(In E05 and E06, displayed PV is different from product’s actual temperature)
E09, E10: Ambient temperature sensor malfunction (open / short circuit)
When the micro-computer detects ambient temp. sensor as 0°C or lower, it is
judged as “open circuit” displaying alternately “E09” with PV and sounding
intermittent buzzer.
When the micro-computer detects ambient temp. sensor as +60°C or higher, it is
judged as “short circuit” displaying alternately “E10” with PV and sounding
intermittent buzzer. At the time heater is turned off.
E11 : CO2sensor output voltage is abnormal
When CO2sensor box temperature is stable and high or low temperature alarm is
not occurred, it is judged as CO2sensor malfunction if CO2output voltage is lower
than 1000mV or higher than 4800mV. “E11” and “internal temperature” are
displayed alternately, and buzzer sounds intermittently.
At the time, CO2valve is closed.
E12 : Main heater is abnormal
When high temperature alarm is activated, when the main heater is open circuit,
and when the main heater SSR is short circuit, “E12” and an internal temperature
are displayed alternately and buzzer sounds intermittently. An error is not
displayed just after failed because the self-diagnosis for SSR and heater failure is
done only in every 40min or in the power supplied.
(Above description is also applied to E13∼E16)
E13 : Bottom heater is abnormal
When the bottom heater is open circuit, or SSR is short circuit, “E13” and an
internal temperature are displayed alternately, and buzzer sounds intermittently.
E14 : Door heater is abnormal
When the door heater is open circuit, or SSR is short circuit, “E14” and an internal
temperature are displayed alternately, and buzzer sounds intermittently.
E16 : SSR is open circuit
When any SSR of main heater, bottom heater, door heater and CO2sensor box
heater is open circuit, “E16” and an internal temperature are displayed alternately,
and buzzer sounds intermittently.

15
E18 : UV lamp malfunction (UV lamp is optionally provided)
In the UV lamp lighting time is set in F01, the microcomputer checks the output
voltage in UV detect circuit after 25∼29 sec. Since the door was open and shut. If
the detected value is 0.05V or more, it is counted as “+”. If the detected value is
0.05V or less, it is counted as “−”. The microcomputer checks again after 30 sec.
then, the value “+” means “UV lamp is functional”. The value “−” means “UV lamp
is malfunctioned”. “E18” and “internal temperature“ are displayed alternately, and
buzzer beeps intermittently. Press BZ key to cancel the error. The microcomputer
does not check if the door is open in 30 sec. after the door was shut.
E19 : O2 sensor is abnormal
When CO2sensor box temperature is stable and high or low temperature alarm is
not occurred, it is judged as O2sensor malfunction if O2output voltage is lower
than 3mV or higher than 3000mV. “E19” and “internal temperature” are displayed
alternately, and buzzer sounds intermittently. Press BUZZER key to cancel error.
Upper limit temperature alarm:
When the internal temperature is out of SV, OVERHEAT lamp illuminates
displaying “PV” with “E12” (main heater malfunction) or “E16” (SSR for each
heater is open circuit) alternately. The buzzer sounds intermittently. It is impossible
to stop the buzzer sounding by BUZZER key.
At the time heaters (main heater, bottom heater and door heater) will be OFF.
Automatic temperature alarm:
When the internal temperature is ±1.0°C out of SV, all digits in temperature display
blink and intermittent buzzer sounds with 15minutes delay.
Automatic CO2level alarm:
When the internal CO2 level is 1.0% out of SV, all digits in CO2display blink and
intermittent buzzer sounds with 15minutes delay.
Automatic O2level alarm:
When the internal O2 level is 1.0% out of SV, all digits in CO2display blink and
intermittent buzzer sounds with 30minutes delay.
UV lamp auto lighting:
If the door is not opened for 12 hours, UV lamp is lit automatically to sterilize in the period
that sets in F01.
Note) UV lamp is optional accessory.
7. Key Lock function
Key Lock mode :
Note)
In PV display, press key (shift key) for 5 seconds to enter Key Lock
mode, and “L0” is displayed.
Press key to set 1 ……… Key Lock ON
Press key to set 0 ……… Key Lock OFF
Press SET to memorize and automatically reverts to PV display.
In Key Lock “ON”, the device can enter into SET mode to check SV,
however, the value cannot be changed. The device also cannot enter
into Function mode.

16
8. Door alarm
Display : When the door is opened, DOOR lamp is lit.
When the door is shut, DOOR lamp goes off.
Safety operation : When the door is opened, fan motor, CO2valve and O2valve is OFF.
(UV lamp is also OFF if it is optionally fitted).
If the door is opened for 60seconds, the heater goes off.
9. Auto return
Function : In setting mode, Key Lock mode and Function mode, if any key is not
operated for 90 seconds or more, the display automatically reverts to PV
without storing the value to be changed.
10. Calibration
Temperature
calibration :
In PV display, press CAL key for approx. 5seconds to enter the device
into temperature calibration mode.
Input a proper value with key and key then press ENT key to
store the value. Finally the device returns to PV display.
CO2calibration :
<Span adjustment>
In PV display, press CAL key for approx. 5seconds to enter the device
into temperature calibration mode, then press CAL key again to enter
the device into CO2calibration mode.
in PV display, press CAL key for approx. 5seconds to enter the device
into temperature calibration mode, then press CAL key again to enter
the device into CO2 calibration mode.
Input a proper value with key and key then press ENT key to
recognize and store a span calibrated value. Finally the device returns
to PV display.
If CO2level is lower than 0.9% or higher than 20% on the display, or if a
value to calibrate is higher than 2.0%, the buzzer sounds to ignore the
data then automatically reverts to PV display.
O
2calibration :
<Span adjustment>
In PV display, press CAL key for approx. 5seconds to enter the device
into temperature calibration mode and press CAL key again to enter the
device into CO2calibration mode. Then press CAL key again to enter
the device into O2 calibration mode.
Input 20.0 with key and key then press ENT key to recognize and
store as Zero adjustment value. Finally the device returns to PV display.
When the O2 setting value is 21.9% or less, zero adjustment is
inoperative.
<For your information>
Why Zero adjustment value should be “20.0”?
O2density in the dry air is approx. 20.9%, however it may be approx.
19.7% in the incubator chamber (37℃and 95% R.H.). The value “19.7”
moved up to “20.0”.
In PV display, press CAL key for approx. 5seconds to enter the device
into temperature calibration mode and press CAL key again to enter the
device into CO2calibration mode. Then press CAL key again to enter
the device into O2 calibration mode.
Input proper value with key and key then press ENT key to
recognize and store as Span adjustment value. Finally the device
returns to PV display.
Span adjustment can be done if setting value or present value is less
than 15% or more than 25%.

17
11. Function mode
F00: Simply pass through.
F01: UV lamp lighting time set (initial: 000)
(UV lamp is optionally provided)
F02: UV lamp 24hours sterilization mode set
(UV lamp is optionally provided)
F03: Service code input (code: 384)
F04: UV lamp life span check (UV lamp is optionally provided)
F05: Displays the CO2/O2sensor voltage
F06: Changes the bottom heater output ratio (initial:5)
F07: Changes the door heater output ratio (initial:6)
F08: Auto changer, Auto Zero mode set (initial : 000)
F10: Displays a coefficient for CO2zero point adjustment
F11: Displays a coefficient for CO2span point adjustment
F12: Displays a ambient temperature sensor temperature
F13: Initializes non volatile memory
F14: LEDs and drivers performance check
F15: Displays a temperature zero point adjustment value (initial: 008)
F21: Communication device address (ID) set (initial: 000)
F22: Communication parameter set (initial: 000)
F24: Interlocks the remote alarm with buzzer (initial: 000)
F25: Ring Back time set (initial: 030)
F26: Displays a coefficient for O2zero point adjustment (low density side)
F27: Displays a coefficient for O2span point adjustment (low density side)
F28: Displays a coefficient for O2zero point adjustment (high density side)
F29: Displays a coefficient for O2span point adjustment (high density side)
F30: Displays a ROM version
Direction for use: In PV display, press CAL key for more than 5seconds to enter the device
into temperature calibration mode. Input a desired function code with
key and key then press ENT key.
F01: UV lamp lighting time set (initial: 0min, settable range:0~30min)
Note) UV lamp is optionally provided.
<Direction
for use>
Input “F01” on the temperature display then press ENT key to show a present SV
on the CO2display. Input the desired value with key and key then press
ENT key to store the value and reverts to PV.
If a value out of the range is input then ENT key is pressed, the buzzer sounds
for a second to keep the previous setting.
<Action> After the door open-and-shut, UV lamp is lit in appointed time then automatically
goes off. There is approx. 3~5seconds delay to active the mode, due the device
would check water level in the humidifying pan just after the door shut.
If the door is opened during UV lamp is lit, the lamp goes off.
F02: UV lamp 24hours sterilization mode set
Note) UV lamp is optionally provided.
<Direction
for use>
Input “F02” on temperature display to show “000” on CO2display.
Input “001” with key and key to enter the device into 24hours sterilization
mode.
Press ENT key when “000” is displayed, simply reverts to PV display.
<Action> When 24hours sterilization mode is set in F02, UV lamp is lit and automatically
goes off after 24hours has passed. UV lamp goes off and 24hours sterilization
mode would be cancelled if the door is opened during the sterilization.
If 24hours sterilization mode is reset during the sterilization, it would restart
24hours sterilization mode at the time.
Note) If this mode is set, UV indicator lamp should be lit even if UV lamp is not fitted.