General Information - Marstair A2LSYSTEMATCH SMC 15 Technical Manual

1A GENERAL INFORMATION
Installation must be carried out in accordance with the Marstair installation manual, EN 378 and national codes and
guidance.
1. Installation work on this equipment to be completed by F Gas certified Technicians who are fully
conversant with the appropriate Refrigeration and Electrical practices and have sound knowledge of
current Industrial Safe Working practices. It is also advisable that technicians hold the ACRIB
Understanding the properties of flammable refrigerants (A2L, A2 and A3) qualification.
NOTE: it is the responsibility of the operator to ensure the technician is certified to the correct standard
(EN13313 or equivalent).
2. These units are supplied with a holding charge of oxygen free nitrogen and polyolester oil. Do not mix oils
or refrigerants.
3. These units when installed contain live electrical components, moving parts and refrigerant under pressure.
Always site out of reach of children and protect from vandalism.
4. The data plate only gives information for the individual indoor or outdoor unit. For system details add input
power and current of indoor and outdoor unit, including any heater load.
5. The refrigerant used should be identified by locating a refrigerant label on the unit case
6. A suitable risk assessment of the installation must be carried out. This ensures a safe working
environment is maintained in accordance with The Dangerous Substances and Explosive Atmosphere
Regulations and the Management of Health and Safety at Work Regulations. A step by step guidance
template is provided within these instructions.
7. The condensing unit must be installed outside.
8. Systems uses R454C refrigerant which is classed as an A2L flammable gas
1 – GENERAL INFORMATION
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