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Old 02-09-2011, 02:35 PM   #1
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Problems with new heat pump - return?


We have new Rheem heat pump with several service calls. Stopped payment at least for now. Any advice?

DOES ANYONE KNOW WHY THIS WOULD HAPPEN?
- Third new thermostat and all show temp and setting same ALL day though unit runs crazy ways. Many problems, e.g., yesterday they set stat for 10pm 72 and 3am 78. Up at 6:15, stat shows 78 - 78, still running so turned down to 77. Couple minutes it shows 77-77 and continues to run. BUT at 9:00am air from vent went down from 93.5 to COLD 72.4 (NEW digital hanging in front of vent). Living room table down from 75.4 to 73.8. Stat still shows 77-77 but it continues to run until 9:51am (nearly seven hours). Then it runs like 9 on and off 6 .

DO WE REALLY HAVE TO OPEN ALL ROOMS ?
- Vaulted ceilings & now have no consistently even warm air (on/off sweater). Have always HEATED only LR, DR, KTN, UTILITY as PREFER other two wings to be cool. Dealer says must open ALL rooms for air circulation to solve and that makes MBR too warm for sleep.

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Old 02-09-2011, 05:46 PM   #2
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Problems with new heat pump - return?


yes open doors or install return in each room or add return pass-thru to hallway from other rooms. with a heat pump, best not to use setback temperatures. best to set stat and forget it. Ensure the hole behind the stat has been plugged so stat is not sampling air from wall space.

All in all it sounds like you are trying to maintain a very high temp for a heat pump to handle. Depending on your heat loss the heat pump may need to run long hours to maintain 78.

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