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    yosemite's Avatar
    yosemite Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jul 2, 2007, 03:11 PM
    A/C outdoor blower unit won't engage to begin each summer - fuses? How do I replace?
    Hello,
    I have a Rheem combined gas furnace and electric A/C system, probably of early 1980s manufacture (the building was built in 1980, and this is probably original equipment).

    This is my first residence with central A/C, so forgive my ignorance.

    When I first moved in, neither the heater nor A/C worked... turns out the thermostat
    Wiring was bad, so rewiring and a new thermostat got it all working. Performance is
    Quite good, considering the age.

    The next summer, the A/C wouldn't work -- the outside blower wouldn't engage. I
    Called a repair company, and they did whatever to fix it, but I'm not sure what. (The
    A/C performance, once running, is excellent).

    Next summer, same thing -- I called the company, they did whatever, worked fine again.

    Now, this summer, same thing. I'm getting sick of paying for "repairs" every summer,
    So I'd like a more permanent solution.

    I had a conversation with an HVAC company person working on the house next door,
    And he mentioned that it was common for a blower (having been idle for maybe 8 months) to blow fuses upon startup, since it's lubrication has all settled and it needs
    A few "cranks" to get it going (my words, not his). Certainly seems worth trying,
    But I don't know what type/amperage of fuses to get or where the fuse panel is,
    So any help appreciated.

    The ID plate on the blower reads:

    Rheem Imperial
    RAGA-031JAQ

    If that helps at all.

    Thanks for any help or advice!

    Alan
    yosemite AT programmer.net
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jul 2, 2007, 03:31 PM
    Turn off breaker in house. Open outside disconnect near A/C unit. Remove fuses. Go to the hardware store and get the same kind of fuses you took out and replace them. No Big Deal.
    yosemite's Avatar
    yosemite Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jul 3, 2007, 11:58 AM
    Quote Originally Posted by hvac1000
    Turn off breaker in house. Open outside disconnect near A/C unit. Remove fuses. Go to the hardware store and get the same kind of fuses you took out and replace them. No Big Deal.
    Thanks!

    It appears to be fixed now. The problem was twofold:

    - one fuse was blown

    - the 24V command wires had been cut (probably by landscapers), so patching them
    With a wire nut did the job.

    Thanks much!
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