wiring

Daniel52

How are condenser fan motors and evaporator fan motors wired? Series, parallel or both? Please help....

yuri

Why do you want to know? On what kind of equipment are you looking at? commercial refrigeration or residential?

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beenthere

Series to what.
Parallel to what.

What are you wiring to what.

Daniel52

Taking HVAC course and cant find answer. Residential application, but does it matter?

beenthere

Well. Residential is easier to answer. Sort of.

But before doing so.

Some commercial and industrial systems, have multiple fans, which are wired in a series parallel configuration between themselves.

Residential condenser fans are wired in series with the contactor and defrost if its a heat pump, and parallel to the compressor.
The indoor blower is wired in series to the control board, and parallel to the condenser unit.

yuri

Yep, research series and parallel circuits on the net or in some electrical textbooks. Here is a service info file from Lennox to study:http://tech.lennoxintl.com/PDFs/0521f.pdf

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