Oct 16, 2011 High balance point is the temp at which you don't need the aux heaters to help the heat pup maintain set temp. As the outdoor temperature drops, the capacity of the heat pump drops because there's less heat to extract and pump indoors. Could be 15, 20, 24 degrees F etc. 35), the compressor is locked-out and ONLY the auxiliary will run when the outdoor temp drops below the specified temp. Below that temp the capacity is lower than the load of the house but it is not zero. With this secured process, all individuals working on the same circuit or equipment have individual locks that they secure onto a . Low Balance Point Outdoor temperature low balance point . With this mounted near the compressor coils (mine is inside the housing), I can program the thermostat to lockout the heat strips (above 40 degrees) and the compressor below 20 degrees (balance point for this unit). 3. 8 Flashes FS2 Compressor Lockout Off On Off Off Off. For any temperatures below the balance point, supplemental heat will be required. Compare the costs of 1 million btus of heat for a heat pump vs a natural gas furnace. At that temperature, the heat pump is just able to keep up with the how much heat the house needs. Ambient lockout This indicates that either the outdoor temperature is above or below the balance point temperature settings. At 25F (-4.0C) I can also read the outside temperature on the thermostat. 0 No 1 Yes 24 Heat pump compressor lockout (balance point) 0 No heat pump compressor lockout** 1 5 F (-15 C) 7 35 F (1.5 C) 2 10 F (-12 C) 8 40 F (4.5 C) . TestNew stuff! 40 balance point ** compressor and fan operate fossil fuel backup heat only 1: option 2: droop control with aux heat lockout: compressor and fan operate 40 55 balance point ** auxiliary lockout compressor and fan only fossil fuel backup heat only 1): franais: voir la page 9 espaol 50. Lockout is one way to control hazardous energy. What is the difference between "demand defrost" and "timed defrost?" Where the two lines cross is the balance point. Option 2: (Balance point/Aux Heat +2F droop): Compressor works only above auxiliary lockout temperature, backup heat works only below balance point, 2F droop between temperatures. When it reaches the switch-on point of the low-pressure switch, this will switch the compressor back in. The compressor protection will not turn off on my honeywell. Compressor Minimum Cycle Off Time: The amount of time the compressor remains off between cycles. 355 - Balance Point - Set to 15F, or whatever outdoor temperature is desired for compressor lockout (Compressor Lockout) and switchover to Aux Heat 356 - Aux Heat Lockout - Set to 45F, or whatever outdoor temperature is desired to prevent switchover to Aux Heat 365 - Cool 1 CPH - Compressor cycle rate, Set to 1 CPH (Cycles Per Hour) 370 . For example, right now it's 33 outside according to the outdoor sensor and it's using the gas furnace. COMPRESSOR LOCKOUT TEMPERATURE. Set Compressor Lockout to the temperature below which it is inefficient to run the heat pump. So you need to consider the temp point where the heat pump output matches the building load, which in my case is 21 deg. System Setting. A general recommendation is that the optimal temperature for sleeping is between 60 and 67 F, regardless of the season outside. The HeatPump Aux lockout (setting 360) set to 40 degrees F, or 4.5C. To help ensure a better night's rest, consider re-setting your thermostat before you go to bed, leaving enough time for the temperature in your bedroom to adjust. The colder it gets, the less amount of heat you get from it, and the lower the efficiency (C.O.P.) This balance point will vary from home to home and factors that must be taken into consideration are number of people living in home, home's HVAC system and sizing, home's building and insulation qualities, and home's orientation to N-S-E-W. there are other factors as well. Auxiliary Heat Lockout Settin_ The "auxiliary heat lockout" setting is an optional lockout feature. (I set this to zero) The temps in between is when both run as needed. Below that point, running the compressor does not accomplish much, so it is locked out and the back-up heat source is the sole provider of heat. Compressor lockout is the temp at which point the geo stops and it focuses on all electric heat. Lockout is one way to control hazardous energy. So I've set the aux lockout from 35 degrees to 25. I have a Honeywell Vision Pro 1AQ Thermostat and the default lock out is set at 40 . From above graph you can see that around 30 there is a balance point between load and capacity of heat pump. The balance point temperature is about 25 F in this case. From the drop-down menu, scroll and select "COMPRESSOR LOCKOUT/BALANCE POINT". About Trane Setting Compressor Lockout . Heat Pump Balance lets you select a level of comfort and energy savings that you like: more comfort, more savings, or a. Cooling 1Flashing On Off On On. Compressor Lockout While not required by the PTCS Spec, they should be disengaged to let the compressor run at all outdoor temps. 3. fossil fuel backup heat is activated after 3 minute delay. Same three-leg mount 3. I am not sure how the HW Prestige handles this signal. If you set it to "Balanced" or "Max savings", you can have a setback schedule without wasting energy. 40 balance point ** compressor and fan operate fossil fuel backup heat only 1 option 2: droop control with aux heat lockout compressor and fan operate 40 55 balance point ** auxiliary lockout compressor and fan only . The point at which the extractable heat energy gets too low for a heat pump to adequately heat your home is called the balance point. It does require an outdoor sensor. I have a Honeywell Vision Pro 1AQ Thermostat and the default lock out is set at 40 . When the outdoor temperature is above the . You are fine running your heat pump at 25F and below. If any of these problems are detected users should clean the switch of any visible contaminates using hot soapy water. If your AUX lockout temp is 40F/4.4C, then auxiliary heat will come on when the outdoor air temperature drops below 40F/4.4C. T he Compressor Lockout setting is displayed on the left and must be set . If the regulating thermostat subsequently reaches its switch-on point and opens the solenoid valve, then the pressure in the suction line will rise. A lockout-tagout (LOTO) procedure is a safety system used to prevent accidental or unauthorized access to electrical power sources that are undergoing maintenance or other work. To locate the balance point, the heating requirement (BTUs/h) of the house and the heat pump output (BTUs/h) are plotted against the changes in outside temperature. both the compressor and electric backup heat will operate. Updated on September 23, 2019. The point at which the extractable heat energy gets too low for a heat pump to adequately heat your home is called the balance point. Tap Settings . Emergency (Stage 3 with no compressor) is manually selected at the thermostat. This is in addition to the "balance point." The purpose of this feature is to lock out the gas furnace whenever the outdoor temperature is above the selected setting. Heat pumps work most efficiently when maintaining a temperature. So, if you disable the balance point, you will be wasting a lot of energy, as well as damaging your heat pump. because I can only use 5 deg numbers (20, 25, 30, etc) in the temp field which I set as my compressor lockout, I think I will stick with 25 deg (where the heater run time is 92% when on heat pump). Typically the default is 25F (-4.0C), but that setting can be adjusted by your dealer. balance point. High Balance Point Outdoor temperature high balance point . com Trane has a policy of continuous product data and product improvement and reserves For more information contact your local district the. This safety feature makes turning the system back on possible until the reset button on the outside unit is pressed back in. 0345 (Dual fuel heat pump control) 2 = Balance point/Aux heat lockout plus 2 deg F droop 0350 -12C Heat pump compressor lockout 0360 -12C Heat pump Aux lockout I believe that those options willl do what you want to accomplish. Natural gas at $1.44 per therm, 80% efficient furnace: (1,000,000 / 100,000 btu per therm) x 1.44 / .8 = $18 Set Compressor Lockout to the temperature below which is inefficient to run the heat pump. (This setting is about 4 or 5 from the rightmost end, or about 15 steps from the left) You'll see "Equipment detected" and a diagram of the backplate with the wires that are connected and their labels. 28. The temperature range is 5-55 F. These are all signs that a/c compressor in your car is about stop working or fail: 1-Clicking sound from under the engine. This screen shows the activated lockout temperatures for both the compressor lockout and auxiliary heat lockout. AUX heat can cost about 2 to 5 times as much as running your heat pump. The temperature where they cross is the heat pump balance point. What should happpp pen to the OSA dampers when the building is unoccupied? In the lower right . In fact, you should save energy. Store the compressor between Ts min and Ts max values for LP side indicated on compres-sor nameplate. . Updated on September 23, 2019. suemarkp said: The only thing that doesn't make sense to me is to lockout the compressor below the balance point. This is set to 300 seconds (5 minutes) by default. What is the condition of the air conditioninggp compressor when the thermostat is calling for 1st stage cooling but the OSA is below 55F? Now we're ready to take it further. At 25F (-4.0C) or be- When should outside air dampers switch to minimumWhen should outside air dampers switch to minimum position? 20f (-6C) 10F to 50F (-12C to 9C) or OFF to ignore 29. As a starting point, you can try setting the Aux Lockout 5-10f above the system design temperature (aka balance point) per the paperwork you received from your WF dealer. These thermostats allow the system to employ . The place where the home heating requirement and heat pump output lines cross is the balance point. option 1: droop control outdoor temp. these are the main factors. Ambient lockout - This indicates that either the outdoor temperature is above or below the balance point temperature settings. Insert your own prices and furnace efficiency for more accurate costs. What is the purpose of a lock-out relay? When outside temperature is below this setting, thermostat . 0 Compressor Oil Type // Charge oz. Lock out or Reset Overheating caused by clogged air filters or other factors can cause an air conditioner to shut down and even go into a lockout mode. Balance Point (Compressor Lockout) Off, 5 F to 60 F (in 5 F increments) or 15.0 C to 15.5 C (in 2.5 C or 3.0 C increments) Compressor Lockout requires an outdoor temperature. What are the three (3) electrical components of . AUXILIARY ONLY. Herein, what is AC compressor lockout mode? COMPRESSOR ONLY. 1 1 Flashes Compressors locked out because the Economizer is using free.