Operating / Assembly Instructions

Ziehl Abegg Fan Controller

STR voltage stepper
STR voltage stepper

***Please note that this product will need to be wired and assembled. A schematic is provided by the supplier but if you are unsure of how to do this then please give us a call on 0117 971 3000***

Offering a silent way to reduce the airflow of a fan, the Ziehl Abegg Voltage Stepping Fan Speed Controller is a robust and reliable addition to any grow room.

Manually adjustable through five different voltage levels corresponding to fan speeds, the advantage of the voltage stepper over variable resistors is the lack of hum created by the resistance.

As well as being unwanted noise, this hum is also a sign that the capacitors in the fan are being put under strain and their lifespan is being reduced. This is especially true when a variable resistor is used with the larger inline fans.

The Ziehl Abegg Voltage Stepping Fan Speed Controller is available in either the 1.5A or 3.5A sizes, as a rough guide the 1.5A is fine for any of the RUCK fans including the 250L (High Power) which uses 0.9A. You could also use up to two 150L (High Power) using 0.5A each with a two-gang extension.

For multiple 200L (High Power) or 250L(High Power) RUCK fans  you will need the 3.5A Ziehl Abegg Voltage Stepper.

Highly recommended.  

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PRODUCT SHOP WEB QUAN.

Ziehl Abegg Voltage Stepping Fan Speed Controller 1.5A

£87.50 £77.25
+

Ziehl Abegg Voltage Stepping Fan Speed Controller 3.5A

£122.35 £112.20
+
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