Installation site requirements
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Installation site requirements
Access to the AHU must be restricted so that only staff with the appropriate qualifications (see "Main
operating instructions", chapter "Personnel qualifications") can enter the installation site.
You must observe country-specific standards for the operation and maintenance of equipment rooms
and control centers. The installation site must comply with the applicable building regulations. The
AHU's specific functions must be considered, among other things, by providing ventilation and
maintaining the operation temperature between -20 °C to +45 °C.
The installation site must meet the following requirements:
• must be clean.
• must be free of conductive dust and explosive gases.
• must be free from strong electromagnetic fields.
• must be free of corrosive agents.
• must have proper water drainage.
The installation site of indoor units must meet the following requirements:
• must be dry.
• must be frost-free.
The installation site of weatherproof devices must meet the following requirements:
• it must be selected considering the external impact (e.g., sun, rain, snow, wind, frost) on the
installation site. AHUs must be fastened to the foundation in accordance with the expected wind
load. Service connections and cabling must be carried out professionally.
• It must have a suitable lightning protection system in accordance with country-specific
regulations. The AHU must not be used as part of the external lightning protection system (see
"Main operating instructions", chapter "Lightning protection for weatherproof devices").
• It must comply with the applicable regulations regarding protection against falls of people,
tools, and materials, and suitable fall protection equipment must be in place.
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