heat pump air flow question

Discussion in 'HVAC' started by ctkulig, Oct 3, 2009.

  1. Oct 3, 2009 #1

    ctkulig

    ctkulig

    ctkulig

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    don't know all the terminology so bear with me..

    2 zone electric heat pump, when zone 1 is on by itself all is good, when zone 2 is on by itself all is good, when both zones are on at the same time zone 1 is good, zone 2 is really weak with air.

    In the basement there is this duct work that loops around at the furnace with a weighted handle on it, does this control the amount of air that would flow to both zones when both are calling for heat/air?

    or what else could be the cause?

    Thanks in advance
     

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