AFA4000/E VAV Airflow Controller / p.7
2.4 Operating conditions
2.4.1 General operation
The Airflow Monitor and associated equipment have been designed and tested in accordance
with the International Electrotechnical Commissions (IEC) safety requirements. The Airflow
Monitor conforms to IEC61010-1 (Safety Requirements for electrical equipment for
measurement, control and laboratory use) as it applies to IEC Class 1 (earthed) appliances, and
therefore meets the requirements of EC directive 2014/30/EU.
Adjustment, maintenance or repair of the equipment whilst covers are open or the equipment is
in operation is only to be done by skilled persons who are aware of the potential hazards.
Make unsafe equipment inoperative.
Examples of unsafe equipment:
• Appears damaged
• Fails to perform correctly
• Has undergone transport stresses
• Has been stored incorrectly
2.4.2 Environmental conditions
Ensure the equipment is used under the following conditions:
• Indoors
• Temperature, 5°C to 40°C
• Relative humidity below 80% for temperatures up to 31°C, decreasing linearly to 50% at
40°C
• Electrical supply fluctuations not to exceed +10% of nominal voltage
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