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Old 01-11-2010, 10:30 AM   #1
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Ruud Electric Heating Furnace


I just purchased this home, I have a Ruud electric furnace model
UBHA-17J14SFDA s/n T M3198 03252 ( I have always had gas )

The heat coming through the vents does not seem to be hot enough, just warm. The thermostat is programable, it is set on 62 at night and goes to 68 at 6:30 AM. It take two hours to get the temp to 68 and I am having big electric bills.

I have googled this problem and found strange answers, most reccommend a service dealer, however, many did not get results after more than one service call.

I am a SR citizen on fixed income and can't afford multiple service calls or large bill that might not fix the problem.

What do I need to check myself before calling in the Pro ?

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Old 01-11-2010, 03:29 PM   #2
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Ruud Electric Heating Furnace


In Texas, you most likely have central A/C. Is it possible that it is also a heat pump.

Do you have a volt meter, and an amp probe?

Do you know how many KW your strip heater package is.

Electric resistance heat is expensive.

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Old 01-15-2010, 04:48 PM   #3
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Ruud Electric Heating Furnace


Quote:
Originally Posted by beenthere View Post
In Texas, you most likely have central A/C. Is it possible that it is also a heat pump.

Do you have a volt meter, and an amp probe? NO I DON'T HAVE ONE

Do you know how many KW your strip heater package is. YES, LISTED BELOW

Electric resistance heat is expensive.
Here are the power listing on the unit.

RUUD MODEL UBHA-17J14SFDA S/N T M3198 03252

VOLTS: 208/240VAC PH./HZ 1/60
MOTOR: HP./F'\.L.A. 1/4 2.0

SINGLE SUPPLY CIRCUIT ELECTRIC DATA
MIN CIR MAX OVER CUR
HTR K.W / AMPS AMPACITY / PROTEC
10.5/14 54.0161.7 70/80

MULTI CURRENT ELECTRI DATA

CKT #1 5.3/7.0 28.7/32.6 35.9/40.7 40/45
CKT #2 5.3/7.0 25.3/39.2 31.6/26.5 35/40

I have no idea what all this means, I know that electric heat may be high as you said, my concern is the air coming from the vents is only warm, and it takes a long time to raize the temp a few degrees.

Any suggestions ?

Jack
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Old 01-15-2010, 04:56 PM   #4
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Your model may or may not have what Rheem called a watt restrictor. Or watt saver.
It limits teh amount of strip heat coming on.
It could be bad, and not allowing all the heat to come on. Or, one of your strips could be bad.
Need meters to test all of that though.
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