Sanyo MDF-U700VXC manual Twin Guard DualCool Refrigeration System, EcoMode vs. Normal Mode, Status

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Twin Guard Dual°Cool Refrigeration System

Dual, independent refrigeration systems operate in Normal or energy-saving EcoMode™ which is selected by the user and engaged through the LCD controller. Normal Mode is used for the strictest of GMP applications. EcoMode™ is applicable to 90-95% of applications.

Twin Guard Dual°Cool Refrigeration System

Status

Function

Performance

 

 

 

 

 

 

 

 

-86˚C

 

 

Establishes highly uniform -86°C storage

 

System A and B ON

Maximum Pull-Down and Recovery Capcity

temperature; maximizes recovery following

 

 

 

door openings and heat load additions

 

 

 

A

B

 

 

 

 

 

 

 

-86˚C

 

 

Maintains better energy management at

 

System A and B ON, Cycling On/Off

EcoMode™

high or low ambient temperatures as well as

 

 

 

excellent top-to-bottom uniformity.

 

 

 

A

B

 

 

 

 

 

 

 

-86˚C

 

 

Maintains excellent top-to-bottom uniformity.

 

System A and B ON, Cycling On/Off

Normal Mode

Maintains most repeatable, cycling wave form

 

 

 

for the strictest of GMP applications.

 

 

 

A

B

 

 

 

 

 

 

 

-65˚C

System A ON

Back-Up for System B

Maintains minimum -65°C reserve

 

temperature

 

 

 

 

 

 

A

B

 

 

 

 

 

 

 

-65˚C

System B ON

Back-Up for System A

Maintains minimum -65°C reserve

 

temperature

 

 

 

 

 

 

A

B

 

 

 

 

EcoModevs. Normal Mode

ECO mode operation image

Chamber

Pull down

Temp.

Comp A

Comp B

Stable temperature

Normal

temp

T12 on

T12 off

 

 

 

Comp A

 

 

 

 

 

Comp B

 

 

 

 

 

 

2 compressors are turned ON/OFF at same time

 

 

mode

Chamber

 

 

 

 

 

temp

T on

T1 off

T12 on

T2 off

T1 2 on

Comp A

 

 

 

 

 

 

 

 

 

 

 

NORMAL mode operation image

ECO

Comp B

 

Pull down

Temp.

Comp A

Comp B

Stable temperature

Chamber

 

 

 

temp

T12 on

T12 off

 

Comp A

 

T2 on

T2 off

 

 

 

Comp B

2 compressors and fan motor for each are independently controlled by SV and read AT.

This chart shows the repeatable cycling wave form of normal mode vs. eco mode. Normal mode is for strict GMP applications.

The SANYO Twin Guard Series™ Freezer can be set for Normal or EcoMode™ operation. EcoMode™ establishes an overlapping cycle to significantly reduce energy consumption.

6 Twin Guard Series-86°C Ultra-Low Freezers www.twinguardseries.com

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Contents 86C Ultra-Low Freezers Twin Guard Series -86ºC Ultra-Low Upright Freezer Selection Ultra-Critical Installations and Applications Overview Twin Guard Series -86 DualCool Refrigeration SystemApplication Justification Benefit Sanyo Refrigeration Delivers Uniform Temperature What It Is What It Does Why It Is ImportantTwin Guard Series Green Features Twin Guard Series Comparative Energy PerformanceTwin Guard DualCool Refrigeration System EcoMode vs. Normal ModeTwin Guard DualCool Refrigeration System StatusReduced Power Consumption Failure Mode ComparisonPower Consumption Benefits Twin Guard Series vs. Conventional Cascade FreezerControl, Alarm and Monitoring Integrated LCD Control with Graphical DisplayAlarm & Safety Features Events Twin Guard Series -86C Ultra-Low FreezersAudible Twin Guard Series Features Product FeaturesVacuum relief valve is mounted in the left wall Noise Reduction Cabinet ConstructionRoHS Compliance Electrical StandardsDigital Temperature Recorder optional Options & AccessoriesTwin Guard Series Accessories Rack SystemsCabinet Design and Construction Controls, Alarm, MonitoringDescription Refrigeration SystemDimensional Drawings Predelivery and On-Site Services Service andTechnical SupportUnique Sanyo Services Sanyo Connect

MDF-U500VXC, MDF-U700VXC specifications

The Sanyo MDF-U700VXC and MDF-U500VXC models are compact and efficient commercial freezers designed for laboratory and medical applications. These products are lauded for their reliability, precision temperature control, and user-friendly features. Both units cater to institutions that require secure and consistent storage for temperature-sensitive items.

One of the standout features of the Sanyo MDF-U700VXC and MDF-U500VXC is their advanced cooling technology. They utilize a hybrid refrigeration system that combines both natural refrigerants and cutting-edge compressor technology. This not only ensures a stable cooling environment but also minimizes environmental impact by using eco-friendly refrigerants. The temperature range for both models typically spans from -20°C to -30°C, making them ideal for preserving biological samples, pharmaceuticals, and other sensitive materials.

Another prominent characteristic is the temperature accuracy and uniformity. Both units are equipped with sophisticated microprocessor-controlled temperature management systems that maintain precise temperature levels. Additionally, integrated alarms and monitoring systems provide alerts in case of temperature fluctuations, ensuring that the stored contents remain undisturbed and protected. This feature is crucial in laboratory environments where product integrity is paramount.

The MDF-U700VXC has a larger capacity compared to the MDF-U500VXC, appealing to users who need to store a significant number of samples or larger items. However, both models are designed with space efficiency in mind, featuring adjustable shelving and a well-organized interior that allows easy access to stored materials. The exterior is crafted for durability, with a robust construction that can withstand the rigors of daily use in busy environments.

Energy efficiency is another key consideration in both models. They are designed to minimize power consumption while maintaining optimal performance, which is a critical factor in reducing operational costs for laboratories and medical facilities.

Both Sanyo models feature user-friendly interfaces, making setup and operation straightforward for staff members. Optional accessories such as external temperature recorders can further enhance usability and compliance with safety regulations.

To summarize, the Sanyo MDF-U700VXC and MDF-U500VXC represent cutting-edge solutions for temperature-sensitive storage. Their advanced cooling technologies, precise temperature control, user-friendly design, and energy efficiency make them essential assets for any laboratory or medical facility striving for excellence in sample preservation.