Daikin EWYT650B-XSA2 [67/75] Space requirements

Daikin EWYT300B-SLA2-VFDFAN [67/75] Space requirements
INSTALLATIONS NOTES
67 | 75
Water filter The installation of the filter is mandatory. RecomMended maximum mesh size is equal to 1,0 mm.
Water filter has to be installed as close as possible to the unit. If the unit is installed in a different part of the hydraulic
system, the installer must ensure the cleaning of the water pipes between water filter and Water Side Heat
Exchanger. The pressure drop value showed in CSS (Unit Selection Software) are referred to unit’s Water Side Heat
Exchanger only. For EWYT~B the water filter is available as option on request (shipped loose).
Warning Installation and maintenance of the unit must be performed only by qualified personnel who
have knowledge with local codes and regulations and experience with this type of equipment, unit installation in
places that could be considered dangerous for maintenance operations must be avoided.
Location The units are produced for outdoor installation on roofs, floors or below ground level on condition that
the area is free from obstacles for the passage of the Air Side Heat Exchanger air. The unit should be positioned
on solid foundations and perfectly leveled; in the case of installation on roofs or floors, it may be advisable to
arrange the use of suitable weight distribution beams. When the units are installed on the ground, a concrete
base at least 250 mm wider and longer than the unit’s footprint should be laid. Furthermore, this base should
withstand the unit weight mentioned in the technical data table.
Space requirements The units are air-cooled, then it is important to respect the minimum distances
which guarantee the best ventilation of the Air Side Heat Exchanger coils. Limitations of space reducing the
air flow could cause significant reductions in cooling capacity and an increase in electricity consumption.
To determinate unit placement, careful consideration must be given to assure a sufficient air flow across the Air
Side Heat Exchanger heat transfer surface. Two conditions must be avoided to achieve the best performance:
warm air recirculation and coil starvation. Both these conditions cause an increase of condensing pressures that
results in reductions in unit efficiency and capacity. Moreover, the unique microprocessor can evaluate the
operating environment of the air-cooled unit and is capable to optimize performances staying on-line during
abnormal conditions.
Each side of the unit must be accessible after installation for periodic service. The following pictures shows you
minimum recommended clearance requirements.
Parallel Coil
Double V Coil
A
1100 mm
2200 mm
B
1100 mm
1500 mm
For single unit installation in proximity of a wall the following indications are recommended:

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