{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
Search FAQs
You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Why does only one fan spin on my APC step down transformer (part numbers AP9626/27/28, SYTF2, SRT5KTF, SRT5KRMTF)?


Issue

Why does only one fan spin on my APC Step-Down Transformer (part numbers AP9621, AP9626, AP9627, AP9628 and SYTF2)?

Product Line

  • Smart-UPS
  • Symmetra single phase (RM)
  • Step down transformers
    • AP9626
    • AP9627
    • AP9628
    • SURT003
    • SRT5KTF
    • SRT5KRMTF
    • SYTF2


Environment

  • All Serial Numbers



Cause

Product working as designed.


Resolution

APC step down transformers come with two fans installed. One is the primary AC fan that is used for forced air cooling of the transformer. The second is an auxiliary fan which comes on when the internal temperature of the transformer exceeds 100°F.  The AC fans are necessary to cool the transformer for proper operation. Two fans were installed to provide redundancy in the event that the primary fan fails. When the auxiliary fan is activated, it increases the air flow in the event that high temperatures are reached within the transformer unit. If the first fan fails due to a mechanical defect or damage, the transformer will be cooled solely by the auxiliary fan.

Schneider Electric Vietnam

Explore more
Range:
Articles that might be helpful Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: