Daikin EUWAC8FZW [6/26] Specification text
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Daikin EUWAC8FZW [6/26] Specification text

Daikin EUWAC8FZW [6/26] Specification text
3
1
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• Applied Systems • Chillers
7
• Chillers • R-407C • EUWAC-FZW
2 Specification text
Unit construction
Air cooled chiller with compact, standing design for indoor application with duct connection (air outlet)
that meets ISO 9001 quality standards.
The unit is ready for connection and has been designed for air conditioning as well as process cooling
applications. The use of state-of-the-art technologies and high quality materials ensures efficiency,
reliability and extended service life.
Each DAIKIN chiller is subjected to a factory-side test run under standard conditions lasting several
hours.
Casing / Colour
Powder coated, galvanised steel plate. Fully factory assembled on a base frame. Ivory white / Munsell
code 5Y7.5/1
Number of refrigeration cycles
Unit size 5-10 single circuit.
Compressor
R407C-optimised fully hermetically sealed DAIKIN scroll type compressor. Due to its design this
compressor has the following advantages: Very smooth operation as well as high efficiency and
operation reliability. The bearing of each compressor is realized in a way that vibration is absorbed.
They are equipped with an oil sump heater and a thermal overload switch (Klixon).
Condenser
Cu/Al – high performance heat exchanger. Consisting of internally drawn Cu pipe (Hi -X) guaranteeing
excellent heat transmission and optimal oil transportation. Integrated subcooler for increased
performance. Increased heat transmission surface with continuously laminated wafer fins results in
reduced sound levels and compact dimensions. An polyacryl coating permanently protects the fins
from corrosion thereby extending the field of application of this device.
Fans
Centrifugal fans with forward profile blades, double-sided suction, statically and dynamically balanced.
Unit size 5 with direct drive, unit size 8 and 10 with V-belt drive.
Evaporator
R407C optimised DX counter flow plate heat exchanger made of stainless steel, plates brazed
gastight with copper, for water and glycol mixtures. For optimum capacity of the complete heat
transmission surface a special refrigerant distribution system has been incorporated into each plate
duct. This further increases the efficiency and provides a stable control behavior in the heat
exchanger. In order to prevent loss of heat the plate heat exchanger has a diffusion-proof heat
insulation.
Piping
Consists of Cu tube with all necessary cooling fittings such as:
HP and LP manometer, service valves, filter-dryer, TEV with external pressure equalisation. The
refrigeration cycle is subject to factory pressure and leak testing, is cleaned, dried, evacuated and
supplied with the R407C safety refrigerant and oil charged ready for operation. The plate heat
exchanger tubes consist of galvanized steel.
Safety & control devices
Each refrigeration cycle is fitted with the following safety equipment:
High/low pressure switches, hot gas temperature control, thermal protection for compressor and fan
motor, overcurrent relay and freeze-up protection.
Each refrigeration cycle is provided with the following control components:
Electronic temperature monitoring, phase-sequence relay, timing safety device and switch frequency
limiter.
Switching and control device
The control cabinet complies with applicable EC directives (CE) and fulfills the safety class IP 54. It
contains a fully automatic DDC control and all necessary switching and control devices such as:

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