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3. Installation
3.1
Installation location requirements
3.2
Work fields
3.3
Unit location
3.4
Verifying clearances (clearance area)
3.1 Installation location requirements
The installation place must be chosen as specified in standard EN 378-1 and the requirements of
standard EN 378-3. In any case, the installation site must consider the risks associated with an
accidental leak of refrigerant gas contained in the direct expansion units. Do not install the unit
near flammable materials or others that could cause a fire. Provide specific fire-fighting measures.
3.2 Work fields
The work fields are indicative, near the operating range limits the units may choke the cooling
capacity.
Check the actual capacity by using the capacity tables or the selection software.
Operating mode: heating
Standard operation
Ta
Room air temperature (°C)
To
Outlet water temperature (°C)
Operating mode: cooling
Ta
Room air temperature (°C)
To
Outlet water temperature (°C)
Standard operation
CT
Operation extension with condensation control up to 0°C
CC
Operation extension with condensation control up to -20°C
BT
Low water temperature kit
10
3.3 Unit location
The unit should be positioned far from any obstacle.
It is prohibited to place the unit under a roof, canopy or any covering in general.
The heat pump units allow ice and condensation to form that pours on to the floor in front
of the unit. Collect and drain the condensation and defrost water to prevent the floor from
becoming slippery.
It is prohibited to place the unit inside basement windows.
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