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The Dual Smoke Fan Sets ZerAx® HT smoke exhaust fans are pre-assembled units with two certified ZerAx AZN smoke fans in series for horizontal mounting. The high performance, dual smoke fan sets are designed for operation in duty-standby or dual-duty configuration for (smoke) ventilation operation in all types of buildings. The units are tested and approved for smoke exhaust operation in combination with frequency converters to allow for the systems to be accurately balanced during commissioning.
ZerAx fans have smaller form factors than other fans, resulting in smaller fans for comparable airflows and pressures. Therefore, operational cost and space requirements can be reduced.
The curves cover duty-standby dual smoke fan sets with frequency converters, suitable for 300°C/120min.
The fan performance curves are based on duty-standby operation of the dual fan smoke sets with a ducted outlet. Installing these fan smoke sets with a free outlet (arrangement C) causes additional loss of dynamic pressure in the fan outlet. By fitting a diffuser on the outlet, some of this dynamic pressure loss is recovered as static pressure. To compensate for the different outlet configurations, the below correction factors (Cf) can be used.
NOVENCO Building & Industry
Oeverup Erhvervsvej 50-52
4700 Naestved
Denmark
Tel. +45 70 77 88 99
[email protected]
DK 16 92 66 47
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Monday - Thursday 8.00 AM to 4.00 PM CET
Friday 8.00 AM to 3.30 PM CET
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