Charge Calculator

CHARGE LIMITS CALCULATOR FOR A2L REFRIGERANTS

Charge limit calculations apply to refrigerating systems, stationary or mobile of any size, excluding AC for transport vehicles, and are valid for occupied spaces above the ground. Calculations are based on Standard EN 378:1-2016.

1.Insert Room Dimension

Width

Please Enter Width

Length

Please Enter Length

Height

Please Enter Height

Input the dimensions of the room which is or expected to be occupied by persons (e.g. supermarket, corner shop, office room, etc.).

2. Choose Access Category

Characteristic:

Rooms, parts of buildings, building where sleeping facilities are available, occupants may be restricted in their movement, the number of occupants and access to the space is not regulated and occupants are not acquainted with the necessary safety precautions.

Examples:

Hospitals, courts or prisons, theatres, supermarkets, schools, lecture halls, public transport termini, hotels, dwellings, restaurants

Characteristic:

Rooms, parts of buildings, building where only a limited number of people may be assembled, some being necessarily acquainted with the general safety precautions of the establishment

Examples:

Business or professional offices, laboratories, places for general manufacturing and where people work

Characteristic:

Rooms, parts of buildings, building where only authorized persons have access, who are acquainted with general and special safety precautions of the establishment and where manufacturing, processing or storage of material or products take place

Examples:

Manufacturing facilities, e.g. for chemicals, food, beverage, ice, ice-cream, refineries, cold stores, dairies, abattoirs, non-public areas in supermarkets

3. Choose System Purpose

Typically air-conditioning applications for the thermal comfort of people.

Typically refrigeration and temperature-control applications for goods e.g. food, equipment, etc.

Typically refrigeration and temperature-control applications for goods e.g. food, equipment, etc."

4. Choose System Classification

Characteristic:

If the refrigerating system or refrigerant-containing parts are located in the occupied space, then the system is considered to be of class I unless the system complies with the requirements of class II.

Characteristic:

If all compressors and pressure vessels are either located in a machinery room or in the open air then the requirements for a class II location shall apply unless the system complies with the requirements of class III. Coils and pipework including valves may be located in an occupied space.

Characteristic:

If all refrigerant-containing parts are located in a machinery room or open air then the requirements for a class III location shall apply. The machinery room shall fulfil the requirements of EN 378-3:2016.

Characteristic:

If all refrigerant-containing parts are located in a ventilated enclosure then the requirements for a class IV location shall apply. The ventilated enclosure shall fulfil the requirements of EN 378-2:2016 and EN 378- 3:2016.

Characteristic of Floor Location

Characteristic of Wall Mounted

Characteristic of Window Mounted

Characteristic of Ceilling Mounted

5. Result

Export as PDF Start New Calculation

DISCLAIMER

Although Honeywell believes that the information contained herein is accurate and reliable, it is presented without guarantee or responsibility of any kind and does not constitute any representation or warranty of Honeywell, either expressed or implied. WITHOUT LIMITING THE FOREGOING, HONEYWELL DISCLAIMS THE WARRANTY OF MERCHANTABILITY, FITNESS FOR USE AND NON-INFRINGEMENT. Information provided herein does not relieve the user from the responsibility of carrying out its own tests and experiments, and the user assumes all risks and liabilities (including, but not limited to, risks relating to results, patent infringement, regulatory compliance and health, safety and environment) related to the use of the materials and information contained herein.

1.Insert Room Dimension

2. Choose Access Category

Characteristic:

Examples:

Characteristic:

Examples:

Characteristic:

Examples:

3. Choose System Purpose

4. Choose System Classification

Characteristic:

Characteristic:

Characteristic:

Characteristic:

5. Result

Calculations based on QLMV or QLAV can only be used for an occupied space which fulfills all the following conditions: