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MDF-U3386S

Dimensions

[Unit : mm  (inch)]

Specifications

Features

Options

EVOLUTIONARY DESIGN

• The newly developed refrigeration 

system and the freezer structure offer a 
quiet experimental environment.

• Achieves 22% higher energy conser-

vation than previous model. 

(230V, 50Hz)

• The newly developed back cover 

combined with new aerodynamically 
designed and placed components in the 
refrigeration compartment provide 
superior air flow, making it possible to 
drastically reduce 
the stress to the 
freezer and 
contributing to 
excellent 
durability.

• Two independent and insulated inner 

doors prevent cold air leakage.

Back 
cover

Compressors

Front

Rear

Air

Model

Temperature range

Maximum cooling 
performance

Exterior dimensions
(W x D x H)

Interior dimensions
(W x D x H)

Net weight

Effective capacity

Shelf

Access port

Compressor

Refrigerant

Alarm

Remote alarm contact

Accessories

MDF-U3386S

–50˚C to –86˚C (1˚C increment)

–86˚C 
(Ambient temp. 30˚C)

750 x 875 x 1850mm
(29.5” x 34.4” x 72.8”)

490 x 600 x 1140mm
(19.3” x 23.6” x 44.9”)

Approx. 255 kg (562 lbs.)

333 L (11.8 cu.ft.)

Stainless steel, Adjustable, 
3 shelves, Max. load: 50kg 
(110 lbs.)/shelf

17mm diameter, 3 locations 
(back, bottom left/right corner)

Hermetic type, Output: 450W 
(high stage side), 750W (low 
stage side)

HFC refrigerant

High/low temperature, Power 
failure, Filter check, Battery 
check, Part replacement 
notification

Allowable contact capacity: 
DC 30V, 2A

1 set of keys, 1 scraper

•Appearance and specifications are subject to change without notice.

ACCESSIBILITY

• A new beak style 
inner door latch tightly 
closes the inner door 
against the freezer 
frame. It also helps make opening and 
closing the door smoother.

• The condenser filter is situated at the 

bottom right side of the front panel to 
make filter removal and cleaning easier.

Performance Data

SAFETY

• Alarm lamp and buzzer offer secure 

warning of power failure or abnormal 
temperature increase.

• High and low temperature warning 

provides an audible and visual alarm 
when the temperature deviates more 
than 

±

5˚C to 

±

20˚C (adjustable) from the 

set point.

• Alarm ring back function ensures that 
buzzer will resume operation, should 
alarm conditions continue after it is 
silenced.

• Microprocessor-controlled filter-clog 

check function protects the refrigeration 
circuit.

• New rugged, one-handed 

outer door latch has a hole to 
allow a padlock to securely 
protect valuable samples.

• Control panel with digital 

display for easy operation.

*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.

Inventory rack 

IR-216U

Inventory rack 

IR-220U

Rack Capacity

IR-216U

IR-220U

IR-312UN

For 2-inch box

For 3-inch box

6

6

12

Circular recorder 

MTR-G85

LCO

2

 backup system

CVK-UB2

SANYO DAQ (data acquisition) System 

MTR-5000/

 

Ethernet (LAN) Interface

 MTR-L03 

or RS232C/RS485 Interface 

MTR-480

Strip chart recorder

MTR-85H

Recorder mounting 
bracket 

MDF-S3085

(for MTR-85H)

40

20

0

–20

–40

–60

–80

–100

0

2

4

6

8

10

10

5

12

35

30

25

14

20

15

T

e

mperature (˚C)

40

20

0

–20

–40

–60

–80

–100

0

2

4

6

8

10

12

14

T

e

mperature (˚C)

Time (hour)

Time (hour)

Pull-up characteristics 
during power failure

Pull-down characteristics

20

15

10

5

T

ime (hour)

Ambient temperature (˚C)

CO

2

 backup system operation 

characteristics

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

Ambient temp. and maintenance 
of –70˚C by injection of LCO

2

 (30kg)

18

(0.7)

750 (29.5)

1850 (72.8)

1400 (55.1)

450 (17.7)

490 (19.3)

48

(1.9)

816 (23.1)

1140 (44.9)

600 (23.6)

105

(4.1)

875 (34.4)

11

(0.4)

795 (31.3)

1485 (58.5)

130 (5.1)

130 (5.1)

140

(5.5)

38

(1.5)

34

(1.3)

218 (8.6)

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.

Distributed by:

©2009 SANYO Printed in Japan 2009.9 MA

SHR129

SANYO Electric Co., Ltd.

Biomedical Division

http://biomedical.sanyo.com/

SANYO Electric Co., Ltd., Biomedical Division, Gunma is certified for: 

Quality management system: ISO9001 / Medical devices quality management system: ISO13485 / Environmental management system: ISO14001

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