Daikin EWAH620TZ-XSB2 [3/102] Features and benefits

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FEATURES AND BENEFITS

High full load and part load efficiency

High efficiency at full load, but especially maximum efficiency at part load conditions - which is the majority of

the operating time of a chiller - are the factors that allow considerable savings in a system’s annual energy costs.

Comparing the performance of the EWAH~TZB (VFD technology Variable Volume Ratio) with the traditional fix-

speed chiller without Variable Volume Ratio, the performance difference, in favor of the VFD technology, increases

as the load decrease and becomes maximum in correspondence of the conditions that have the highest frequency

of occurrence.

Note the operating hours for each temperature refers to EN14825 bin table.

Quick comfort conditions The ability to vary the output power in direct relation to the cooling requirements of

the system, allow the possibility to achieve building comfort conditions much faster at start-up.

Seasonal quietness Very low sound levels in part load conditions are achieved by varying the fans speed, but

especially thanks to the variation of compressor frequency, which ensure the minimum sound level at all the

time.

No starting current No current spikes at start-up. The starting current is always lower than current absorbed

in the maximum operating conditions (FLA).

Displacement power factor always > 0.95 The EWAH~TZ B range can operate always with a displacement

power factor > 0.95, which allows building owners to avoid power factor penalties and decrease electrical losses

in cable and transformers.

Code requirements – Safety and observant of laws/directives Units are designed and manufactured in

accordance with applicable selections of the following:

Certifications Units are CE marked, complying with European directives in force, concerning manufacturing and

safety. On request units can be produced complying with laws in force in non European countries (ASME, GOST,

etc.), and with other applications, such as naval (RINA, etc.).