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  1. Residential HVAC Forum
    I am trying to help out a tech. We have a new client with a Carrier heat pump. Heating mode = HIGH head pressure. Cooling mode = LOW suction pressure. The other day it had perfect pressures. The problem is sporadic. Any suggestions?
  2. General HVAC Discussion
    I have a potential customer who asked me to install a transfer switch for her. She already has a 5000 Watt generator and I told her she will not be able run her heat with that. She has a heat pump system. (I don't know the exact size of her heat at this moment but, let's say there are two...
  3. Residential HVAC Forum
    I have a 2 ton Goodman pump approx. 1 year old. Usually runs normal but sometimes seems to stall hard and then restarts in less than a minute then runs for a minute or two, stalls again and restarts again. It will cycle like this 2 or three times then go back to running normal. Any ideas...
  4. Residential HVAC Forum
    I went to check a Goodman heat pump in Virginia. Customer complaint was she would set the thermostat for 62 and when she would come home from work the thermostat and temp was reading 80 and still running. I checked the low voltage at the outdoor unit and the thermostat was still calling for...
  5. HVAC Tools and Equipment
    The air conditioning is the most important buildings and high- energy-consuming products , how to solve the energy consumption of air conditioning products to become the top priority of the air-conditioning industry . Water source heat pump products provides a good choice to solve the problem ...
  6. Residential HVAC Forum
    You know the one with the stainless coverings... Is there any reason why i wouldnt be able to pump down this heat pump? system is functioning properly... TXV is not restricted... i closed the liquid line serrvice valve but i cant seem to trap the 410a in the condenser. Units only 2-3 years...
  7. HVACSite.com Help and Suggestions
    Is there any reason why i wouldn't be able to pump down this heat pump. TXV is functioning properly. I closed liquid service valve but cant seem to fill the condensor. 410a system... trying to pressure test line set.
  8. Residential HVAC Forum
    never mind
  9. Residential HVAC Forum
    More specifically, the discharge superheat method; Ambient temp added to discharge temp. This method has served me well but doesn't work AT ALL in 410A systems. Anyone else use this method or know why that it doesn't jive with 410A?
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