I used to own one of those systems. In heat mode, a dirty air filter causes low airflow across the condenser. In the service screen, it will show the actual system pressures while running and static pressure. GreenDesigns, yes, it's really 220 kWh per day. Make sure you have correct underlayment or floor substrate. OP: All of the honeywell thermostats that are compatible with Heat Pumps and an outdoor sensor will have the lockout in the menu. Compressor kicks on and runs for 3-4 minutes and the high pressure trips. This is a safety alert symbol and should never be ignored. Not sure what else to check. Close to max. It does not work well being turned on and off as it is designed to be constant(when your not there it would need to be near the same temp as when you are). BUT in the coil manual they say put the coil downstream of air handler... exactly opposite. Close. The information given below can be helpful for you then. This would eliminate "stand by" heating costs while you are not at cottage. On heat pumps the indoor coil becomes the condenser in the wintertime and if you are not getting enough airflow across the indoor coil it with cause the high-pressure code problem. Ditra has produced a heating mat that is more expensive (than the usual electric heating wires). If this switch needs resetting on a heat pump, it means the head pressure or the high-pressure side of the heat pump is exceeding maximum pressure. As a rough guide to the pressure ranges that occur with the various refrigerants, consider the pressures at a condensing temperature of 60°C. my high pressure lockout kicked on the other day, and when i pushed the contactor down the compressor would kick on, but the fan would not. Kathy, when we bought the house in May the home inspector found that the AC part of the geothermal system wasn't functioning efficiently, so a geothermal tech was called out and "fixed" the problem by turning the water flow up. You might need a new electrical box. We build in New Jersey(I live in farm country) but I know rural Ontario will have its own specific issues; but here are my thoughts. But unless an airflow alarm is present, you are going ot get airflow, but if the coil is dirty, or filter dryer or outdoor TXV is plugged, you can get highs pressure. high pressure lockout problem I have a rheem rpne018-jaz heat pump. Surprised you don’t have a warning for that. in the hydronic loop, Overcharged refrigerant circuit, Expansion valve / … In the manual at troubleshooting there are some possibilities for HP lockout in heating mode: Lack of flow through hydronic heat exchanger, High fluid temp. I bought it from http://warehouse25.com/, my contact was Alex. And test, test, test the system before you lay the flooring down, to make sure it works. That's all I know/understand about that. I checked my coils outside and they were very clean, I changed all my filters which weren't too bad and re-set my system. Changed the filters in the main unit and just found the coil. 226 (Furnace) The furnace high pressure … many techs have seen it and they all recommend different things like board is bad, metering device on the heat pump is blocked, pressure to high etc etc.. Pressure too high … As you might imagine, heat pump operation in cold weather is not the best, which is why they are typically only used in temperate climates...think beaches, palm trees, and oranges. Good luck. 3. Were the filters dirty when they came out. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. I'll give it a week and see if the problem comes back I'll call a pro. Things to check are air flow and metering device. Low Pressure Lockout (4 HRS) High Pressure Lockout (4 HRS) Time Delays The unit time delays include:--Five minute time delay to start cooling operation when there is a call from the thermostat or wall Control. If you feel the temperature in your house is getting higher, it may be because of heat pump fan not spinning, and therefore, heat pump not cooling. I verified this by walking through the procedures and codes on the diagnostic panel inside the condensor. 1.03 is very high. I also like the wood heat idea...new High Efficiency wood burning fireplaces when you are there.... whats a cottage without a fire? Is the coil a Goodman coil? I believe the Infinity does not read actual static but that reading is calculated. I guess I have to take apart the unit to see. Good luck. The one I have had very minimal instructions and it took a while to figure it out. This is where the majority of the disconnect is since even the manuals contradict in some places as do the techs. Heat Pump is taking too long to heat the pool Air temperature, the size of your swimming pool and the heat pump’s condition can all impact how long the unit will take to heat your water. 1st you need to find out what the actual pressure is. + Change the Control Box if the Gas valve is OK. ... During lock out mode, Emergency Heat will be activated to provide heating if necessary. Not sure where the indoor col is. It can also cause a malfunction in the system that will lead to reduced capacity for cooling and heat (for a heat pump) or the system not functioning at all. Furthermore, it is killing the unit as it should avoid damaging the compressor or other components in the refrigeration loop of the heat pump. In heat mode, a dirty outdoor coil can cause a low suction pressure. First thing I need to clarify is if the blower and the coil need to be swapped out. Posted by 3 years ago. ft house. Fan looks to be unobstructed. 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