Technical Description Multi-DENCO
22 FläktGroup DC-2013-0101-GB • Subject to modifications • R5-08/2020
3 Technical Description
3.1 Unit description
Multi-DENCO units are designed for indoor installation (no exposure to outdoor
weather) and the system is completed by being connected to an heat rejection system
(for example; condenser, drycooler, chiller etc). Typically the units are designed for
cooling data centres, though they have a large variety of uses, such as (but not limited
to): server rooms, telecom rooms, laboratories, museums, libraries, production envi-
ronments etc.
Heat exchange and airflow is performed vertically; with downflow models receiving
warm air from the top of the unit and delivering cold air at the bottom and upflow units
taking warm air from the bottom of the unit and discharging cold air at the top. These
airflows can be directed at entry and exit of the unit, by using accessories such as: front
door grille, ceiling return section, base stands, horizontal discharge sections and
dampers.
Multi-DENCO units are available in 7 sizes ranging from (WxDxH) 600x600x1940 mm
to 3380x880x1968 mm. These units come with a wide variety of accessories and
options meaning that each Multi-DENCO unit can be tailored to your room's needs.
Once you have received your Multi-DENCO unit, typical onsite tasks include, (but are
not limited to):
– Installation and positioning of units
– Refrigeration/pipework connections between indoor and outdoor unit
– Connection of electrical power supply
– Connection of communication cabling
– Installation of any accessories provide 'loose' (e.g. water detection tape)
– Commissioning of the Multi-DENCO unit
– Configuration of network settings
– Commissioning / readiness for operation of the unit
3.1.1 DENCO-OfficeCool
This is a variation of a Multi-DENCO unit designed specifically to address the needs of
comfort cooling. The design is aimed at reducing fan velocities, reduced sound and
features for integration with Local Environment Control Units (LECUs) allowing for
adjustable environment to suit comfort levels. These are available as direct expansion
or chilled water versions.
DENCO-OfficeCool design are mostly similar to the requirements and design of
Multi-DENCO units. Within this manual, any differences in the design will be explained.
Fig. 3-1: Multi-DENCO Unit,
A-Version, Size 092
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