Mitsubishi Electric City Multi PEFY-P125VMH-E Specifications download pdf (Page 6)

For the Environment

Enhancing environmental care (measures for the RoHS Directive and the refrigerant reduction)

Every unit is in compliance with the RoHS Directive,* which stands for the Restriction of Hazardous Substances:

Lead-free soldering is used to avoid Lead Groundwater Contamination on the print board. The amount of

refrigerant on the unit has also been reduced to enhance environmental care.

* RoHS Directive: the restriction of the use of certain hazardous substances in electrical and electronic equipment that has been sold in EU since July 2006

History of refrigerant

R22, an HCFC-based refrigerant, has been a popular choice for most chillers. R22 has been targeted by the

Montreal Protocol to be phased out in new equipment. Additionally, governments in many countries are enforcing a

ban of HCFC-based refrigerants for new installations.

Because of these restrictions, R410A refrigerants are desirable. R410A is a blend of HFCs, which do not deplete

the ozone.

Technical aspects of refrigerant

New Design

R410A is a more efficient refrigerant as it has a higher specific heat capacity when compared to R407C or R22.

This higher energy carrying capacity allows for smaller pipe sizes, longer pipe runs and reduces the volume of

refrigerant within a system. This is a major factor when concerning safety and environmental requirements in the

design, manufacture, installation, operation, maintenance and disposal or refrigerating systems.

Efficient R410A refrigerant

Reduction of operation noise

Improvement of COP

Improvement of reliability and

easy maintenance

Photo : Y series

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Mitsubishi Electric City Multi PEFY-P125VMH-E Specifications Page 6

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