Sanyo Mdf 1156 Users Manual ULT_chest_

MDF-1156ATN to the manual 8fba494a-6b70-4aab-bb89-7a917770494f

: Sanyo Sanyo-Mdf-1156-Users-Manual-337524 sanyo-mdf-1156-users-manual-337524 sanyo pdf

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The Ideal –152˚C, –86˚C Freezing Environment
in Capacities from 86 L to 701 L
Ideal for long term preservation of biologicals, blood components and various
cell line, SANYO preservation systems employ microprocessor control to
maintain a high-precision temperature environment. They are not affected by
ambient temperature, minimizing uneven temperature distribution within the
chamber, and a temperature rise during door opening.

–152˚C Ultra-Low Temperature Chest Freezer

For stable long-term storage

MDF-1156/1156ATN
TEMPERATURE

EFFECTIVE CAPACITY

–152˚C 128 L (4.5

)

cu.ft.

Dimensions

Unit: mm (inch)
905 (35.6)
1400 (55.1)

52
(2.0)

450 (17.7)

667 (26.3)

945 (37.2)

500 (19.7)

572 (22.5)

800 (31.5)

53
(2.1)

105
(4.1)

MDF-1156

Performance Data
Pull-down characteristics
under no-load condition
0
–20
–40
–60
–80
–100
–120
–140
–160

Effect of ambient temp.
on holding time of liquefied gas
25
LN2 injection at –135˚C

0

5

10

15

Time (hr.)

20

25

Time (hr.)

Temp. (˚C)

Central air temp. in cabinet
Ambient temp. 30˚C, no load

Temp. (˚C)

60
40
20
0
–20
–40
–60
–80
–100
–120
–140
–160

Pull-up characteristics
during power failure

20

15

Central air temp. in cabinet
Ambient temp. 30˚C, no load
0

1

2

3

4

5

Time (hr.)

6

7

8

SV of backup system –135˚C
LN2 50L
9

0

0

10

20

30

Ambient temp. (˚C)

40

For MDF-1156/1156ATN

Why Freeze to –152˚C?
Recrystallization Mechanism (Artist’s Concept)
Hexagonal crystal
–80˚C
Cubic crystal
–130˚C
Recrystallization point
–152˚C

Advanced Features
Specially designed compressor and
cascade refrigeration system
Specially designed
for rugged ultra-low
temperature
applications in a
laboratory
environment (HFC
refrigerants only).

An important factor to consider when
preserving cells or tissue at ultra-low
temperatures is to prevent amorphous ice
crystals from recrystallizing within and
outside the cells. Samples that are
maintained in an ultra-low temperature
freezer at –152˚C which is far lower than the
recrystallization point (–130˚C for pure water)
can be preserved semi-permanently.
Preservation at ultra-low temperatures
maintains vitrification without crystallization
occurring inside and outside cells.
In contrast to conventional liquid nitrogen
preservation containers, freezer preservation
has numerous advantages: no sample
contamination, no sudden liquid eruptions,
as well as low operational costs.
SANYO’s MDF-1156 and 1156ATN make
long-term storage below the recrystallization
point easier and more stable than ever
before.

The temperature sensor, filter sensor and
cascade sensor monitor operation conditions
continuously. Should abnormality be picked
up, an error code and the current temperature will be displayed in turn.

Ring back function
The alarm buzzer can be silenced by pressing the BUZZER key on the control panel.
(The remote alarm signal is not cancelled.)
Should the alarm condition continue after a
certain suspension, the alarm buzzer sound
will resume.

Amorphous
ice crystal

World’s lowest –152˚C freezer
ensures stable cell and tissue
preservation

Self-diagnostic function

Micro-processor Temperature
Control with LED Digital Display
Extremely accurate, easy-to-read display.
The temperature inside the freezer can be
set and monitored easily by means of a
microprocessor temperature control with an
LED digital display. The thermostat
incorporates a platinum resistor (Pt. 100Ω),
precision and durability.

Integrated Cabinet Design
High-performance refrigeration system with
foamed-in-place cabinet insulation
maximizes interior temperature uniformity
and protects against fluctuating ambient
temperatures.

Hot line for secure sealing
Moisture condensation at the top edges of
the cabinet due to differences in temperature inside and out causes frost and icing
problems that may reduce heat insulation
efficiency and obstruct door movements.
These problems are prevented by the “hot
line” by means of which hot gas from the
higher temperature circuit is circulated
through the problem areas.

Hot line

Easy Maintenance (MDF-193/193AT have
no filters)

Filter check lamp notifys
the user of a clogged
condenser filter.The
condenser filter is situated at the front panel to
make filter removing
and cleaning easier.
Note: The position of the filter check lamp is shown
on the control panel (see photo shown at the
bottom of this page).

Standard casters and levelling feet
Standard-equipped heavy duty casters make
it easy to move a freezer when necessary.
The levelling feet keep a freezer level and
firm on the floor.

Safety Device
Built-In Temperature & Power
Failure Alarms (Lamp/Buzzer)
In case of power failure or an irregular rise in
temperature, a rechargeable battery-operated indicator lamp and alarm will be activated. A compact recording unit which automatically records the inside temperature,
and a backup system with liquefied CO2 or
N2 which is selfactivated when a power outage occurs are also available separately. This
equipment helps insure that the contents
will be protected in the event of any power
failure or mechanical trouble.

Control panel
1 Alarm lamp and buzzer
2 Filter check lamp
3 Buzzer key

1
2

4 Alarm test key
5 Mode setting key

3

4

5

6

6 Digit shift key

7

7 Numerical value shift key
8 Power switch

9

12

8

9 CO2 back-up test swich (AT type only)

10

11

10 CO2 back-up swich (AT type only)
11 Battery switch
12 Temperature recorder

MDF-394AT

–86˚C Ultra-Low Temperature Chest Freezers
Ideal for large-capacity preservation

MDF-794/794AT
TEMPERATURE

EFFECTIVE CAPACITY

–86˚C 701 L (24.8

)

cu.ft.

Dimensions

Unit: mm (inch)
2570 (101.2)

861 (33.9)
770 (30.3)

53
(2.1)

1070 (42.1)

795 (31.3)

762 (30)

2110 (83.1)

1840 (72.4)

38
(1.5)

MDF-794AT
500 (19.7)

105 (4.1)

Performance Data

Central air temp. in cabinet
Ambient temp. 30˚C, no load

0

1

2

3

4

5

6

7

8

9

10

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Effect of ambient temp.
on holding time of liquefied gas
20

Central air temp. in cabinet
Ambient temp. 30˚C, no load

SV of backup system –70˚C
LCO2 30kg

Time (hr.)

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Pull-up characteristics
during power failure

Temp. (˚C)

Temp. (˚C)

Pull-down characteristics
under no-load condition

0

1

2

3

4

Time (hr.)

5

6

7

8

9

15

10

5

10

5

10

15

20

25

30

35

Ambient temp. (˚C)

Time (hr.)

Ideal for middle-sized installation space

MDF-594/594AT
TEMPERATURE

EFFECTIVE CAPACITY

–86˚C 487 L (17.1

)

cu.ft.

Dimensions

861 (33.9)

Unit: mm (inch)
2010 (79.1)

53
(2.1)

1070 (42.1)

795 (31.3)

762 (30)

1550 (61.0)

1280 (50.4)

770 (30.3)

38 (1.5)

MDF-594AT
500 (19.7)

105 (4.1)

Performance Data

Central air temp. in cabinet
Ambient temp. 30˚C, no load

0

1

2

3

4

5

6

Time (hr.)

7

8

9

10

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Effect of ambient temp.
on holding time of liquefied gas
20

Central air temp. in cabinet
Ambient temp. 30˚C, no load

SV of backup system –70˚C
LCO2 30kg

Time (hr.)

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Pull-up characteristics
during power failure

Temp. (˚C)

Temp. (˚C)

Pull-down characteristics
under no-load condition

0

1

2

3

4

5

6

Time (hr.)

7

8

9

10

15

10

5

5

10

15

20

25

Ambient temp. (˚C)

30

35

Low-profile design for easy access to stored materials

MDF-394
TEMPERATURE

EFFECTIVE CAPACITY

–86˚C 309 L (10.9

)

cu.ft.

Dimensions

Unit: mm (inch)

891 (35.1)

1860 (73.2)

53
(2.1)

945 (37.2)

660 (26.0)

530 (20.9)

1400 (55.1)

1120 (44.1)

800 (31.5)

38 (1.5)

520 (20.5)

MDF-394
105 (4.1)

Performance Data

Central air temp. in cabinet
Ambient temp. 30˚C, no load

0

1

2

3

4

5

6

7

8

9

10

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Effect of ambient temp.
on holding time of liquefied gas
20
SV of backup system –70˚C
LCO2 30kg

Time (hr.)

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Pull-up characteristics
during power failure

Temp. (˚C)

Temp. (˚C)

Pull-down characteristics
under no-load condition

15

10

Central air temp. in cabinet
Ambient temp. 30˚C, no load
0

1

2

3

Time (hr.)

4

5

6

7

8

9

5

10

5

10

Time (hr.)

15

20

25

30

35

Ambient temp. (˚C)

Compact, space-saving unit optimized for private use

MDF-193/193AT
TEMPERATURE

EFFECTIVE CAPACITY

–86˚C 86 L (3.0

)

cu.ft.

Unit: mm (inch)

750 (29.5)

791 (31.1)
700 (27.6)

658 (25.9)

945 (37.2)

53
(2.1)

38 (1.5)

420 (16.5)

Dimensions

MDF-193
480 (18.9)

430 (16.9)

Performance Data

30
20
10

Central air temp. in cabinet
Ambient temp. 30˚C, no load

0

1

2

3

4

5

6

Time (hr.)

7

8

9

Effect of ambient temp.
on holding time of liquefied gas

10

–10
–20
–30
–40
–50
–60
–70
–80
–90

20

Time (hr.)

30
20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90

Pull-up characteristics
during power failure

Temp. (˚C)

Temp. (˚C)

Pull-down characteristics
under no-load condition

15

10

Central air temp. in cabinet
Ambient temp. 30˚C, no load
0

1

2

3

4

5

6

Time (hr.)

7

8

9

SV of backup system –70˚C
LCO2 30kg
10

5

5

10

15

20

25

Ambient temp. (˚C)

30

35

Specifications
MDF-394*
MDF-594/594AT
MDF-193/193AT
–50˚C to –86˚C
2,570 x 770 x 1,070
1,860 x 800 x 945
2,010 x 770 x 1,070
750 x 700 x 945
(101.2 x 30.3 x 42.1)
(73.2 x 31.5 x 37.2)
(79.1 x 30.3 x 42.1)
(29.5 x 27.6 x 37.2)
1,840 x 500 x 762
1,120 x 520 x 530
1,280 x 500 x 762
480 x 430 x 420
(72.4 x 19.7 x 30.0)
(44.1 x 20.5 x 20.9)
(50.4 x 19.7 x 30.0)
(18.9 x 16.9 x 16.5)
701 liters (24.8 cu.ft.)
309 liters (10.9 cu.ft.)
487 liters (17.1 cu.ft.)
86 liters (3.0 cu.ft.)
Galvanised steel with baked on finish
Stainless steel
Aluminum plate
3
4
1
1
Foamed-in-place rigid polyurethane
Hermetic type, 1,100 W
Hermetic type, 450 W
Hermetic reciprocated type,
Hermetic type, 1,100 W
Hermetic type, 750 W
450 W
Cascade condenser
Tube-on-sheet type
Tube on sheet (shared with interior)
Fin and tube type
Fin and tube type
Finless tube type
Shell and tube type
Cascade condenser
Cascade condenser
Microprocessor: Keypad input
Microprocessor
Temp. input range: –20˚C to –95˚C (1˚C increment)
control system,
Set value memory: non-volatile memory
Non-volatile memory
Digital display
Platinum resistance (Pt. 100 Ω)
Platinum resistance (Pt. 1000 Ω)
Cylinder key on the lid handle and Mouse proof cover on the back side
Adjustable high and low temp. alarm
Selectable high temp. alarm (+10˚C & +15˚C from set point)
(±5˚C to ±20˚C from set point)
Power failure alarm, Filter check lamp (Except MDF-193/193AT which have no filters), Remote alarm contact

Model No.
Temperature Range
Exterior Dimensions
[W x D x H] mm (inch)
Interior Dimensions
[W x D x H] mm (inch)
Effective Capacity
Exterior Cabinet
Interior Cabinet
Inner Lid
Insulation
High stage side
Compressor
Low stage side
High stage side
Evaporator
Low stage side
High stage side
Condenser
Low stage side

MDF-1156/1156ATN
–125˚C to –152˚C
1,400 x 800 x 945
(55.1 x 31.5 x 37.2)
500 x 450 x 572
(19.7 x 17.7 x 22.5)
128 liters (4.5 cu.ft.)

MDF-794/794AT

265kg (584 lbs.) —1156
272kg (600 lbs.) —1156ATN

335kg (739 lbs.) —794
345kg (761 lbs.) —794AT

Temperature Control
Temperature Display
Sensor
Safety
Alarm system

Net Weight (Approx.)

291kg (642 lbs.) —594
301kg (664 lbs.) —594AT

103kg (227 lbs.) —193
109kg (240 lbs.) —193AT

219kg (483 lbs.)

ATN: LN2 backup system, temperature recorder
AT: LCO2 backup system, temperature recorder
*MDF-394 for 110 to115V and 220V/60Hz is unavailable.

Optional Accessories
Storage Racks (Aluminium)

Temperature Recorder

Model No.

MDF-19SC

MDF-39SC

MDF-49SC

MDF-59SC

Case Dimensions
(W x D x H)
Number of Drawers
Applicable Model
(Rack capacity)

207 x 144 x 413mm
8.1” x 5.7” x 16.3”
3

155 x 155 x 515mm
6.1” x 6.1” x 20.3”
4

207 x 144 x 539mm
8.1” x 5.7” x 21.2”
4

MDF-193/193AT (6)

MDF-394 (20)

207 x 144 x 665mm
8.1” x 5.7” x 26.2”
5
MDF-594/594AT (18)
MDF-1156/1156ATN (6) MDF-794/794AT (24)

Inventory Racks (Stainless steel)

Model No.

MTR-85H

MTR-155H

Recording
Range

–100 to +50˚C

–170 to +30˚C

MDF-193
MDF-394
MDF-594
MDF-794

MDF-1156

Freezer
Model

ULT-Freezer Backup Kits

Box Type External Dimensions (mm)
Freezer Model (Rack capacity)
Model No.
(Capacity) Width Depth Height
IR-207C

2” (7)

144

142

405

MDF-193 (6)

IR-209C

2” (9)

144

142

518

MDF-394 (21), 1156 (9)

IR-213C

2” (13)

144

142

592

MDF-594 (24), 794 (36)

IR-305C

3” (5)

144

142

405

MDF-193 (6)

IR-306C

3” (6)

144

142

518

MDF-394 (21), 1156 (9)

IR-309C

3” (9)

144

142

747

MDF-594 (24), 794 (36)

CVK-UB2/UB2(I):
LCO2 Backup Kit for MDF-794/594/394
CVK-UBN2/UBN2(I):
LN2 Backup Kit for MDF-794/594/394
CVK-A: Built-in LCO2 Backup Kit
for MDF-794/594/394/193
CVK-AT2: LCO2 Backup Kit for MDF-1156
CVK-ATN2: LN2 Backup Kit for MDF-1156
IR-209C

IR-306C

MDF-39SC MDF-59SC

(I) version for North America only

*Cooling performance is indicated by the temperature reached at the center of the freezer (at ambient temperature of 30°C with no load).
In order to use the freezer at a stable temperature for a long time, it is recommended that the temperature be set to at least 5°C higher
than the indicated lowest temperature.
In addition, depending on the usage conditions, it may not be possible to reach the indicated lowest temperature.
Caution:
SANYO guarantees the product under certain warranty conditions.
SANYO in no way shall be responsible for any loss of content or damage to content.
• Appearance and specifications are subject to change without notice.

SANYO Electric Co., Ltd., Biomedical Division, Gunma is certified for:
Quality management system: ISO9001 / Medical devices quality management system: ISO13485 / Environmental management system: ISO14001
RoHS (European Restriction of Hazardous Substances directives) compliant
Distributed by:

SANYO Electric Co., Ltd.
Biomedical Division
http://www.sanyo.co.jp/cmg/biomedical
©2008 SANYO Printed in Japan 2008.12 MA

SHR141



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Title                           : ULT_chest_.eps
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