Aux Heat adjustments w/ Trane 824 thermostat : HVAC The Rheem Heat Pump System is engineered to improve energy savings and comfort all year long. Always start your first stage of aux heat in W1 and use W2 and W3 if you've got a system with extra Aux stages. † 1 or 2 stage Heat / 1 stage Cool: Gas, Oil or Electric systems † 1 or 2 stage Heat / 1 stage Cool: Heat Pump systems † 3-wire hydronic (hot water) zone valves † Gas Millivolt heaters NOT COMPATIBLE WITH: † 120/240 VAC line-voltage systems (without a transformer), ask your LUX dealer for thermostats to control these systems. Share the user manual or guide on Facebook, Twitter or Google+. I noticed that it is running on "AUX HEAT" (heat strips) and the outdoor unit is NOT kicking on. Terminal Designation Description I have a 10 year warranty, but the Trane dealer can't come out for 2 weeks. Systems with two stage cooling or a heat pump will have wires in the Y1 and Y2 connectors. Two-stage cooling means the air conditioner or heat pump has a compressor with two levels of operation: high for hot summer days and low for milder days. 3. Fixed anticipation except stage 2, which is adjustable. A 2-stage furnace with a 2-stage thermostat will begin in first stage (low burner, low airflow) and only go to second stage if the indoor temperature drops during first stage.This provides greater humidity control, quieter operation, and maximum air circulation, temperature distribution, and air filtration. Since the low setting is adequate to meet household heating demands 80% of the time, a two-stage unit runs for longer periods and provides more even heat distribution. $4,518.00. Trane Topics. Add to Wish List Add to Compare. After specifying the energizing type of the valve, you can select the heat pump's equipment configuration: 1 stage heat pump, 1 stage auxiliary heating or fan. This unit is the most efficient 2-stage air heat pump you can buy. Auxiliary Heat Indication: TH8000 VisionPRO™ Touchscreen Thermostats show "Aux. Aux Heat adjustments w/ Trane 824 thermostat. Then, do I need a 2 stage thermostat for a 2 stage furnace? 16 - 20.5 SEER HEAT PUMP MULTI STAGE VARIABLE SPEED; Air Conditioner, Gas Furnace & Cased Coil. I have a 2 stage geothermal heat pump (climatemaster) with a 2 stage gas furnace as backup (connected to W1/W2) and an American Standard (rebranded Trane) 824 thermostat. First stage (low fire) will run between 70-80% of the rated capacity of the furnace. E is your new x2. Some systems might be installed with These replacement electric heat strips fit your unit exactly. Trane XL-1200 No Emergency Heat. If I ask for 3 or 4 degrees of cool, the NEST switches to Cooling Stage 2. Note: This image given above is of a thermostat that supports 2 stage systems (2H/2C - 2 stages of heating(W1, W2) & cooling (Y1, Y2) in a single thermostat). A single stage-compressor only lets the heat pump cool/heat at full blast. 80 Series Heat Pump Thermostat Battery Powered or Hardwired with Common emersonthermostats.com white-rodgers.com Thermostat Applications Maximum Stages Heat /Cool Single Stage Compressor, Heat Pump Systems (air source or geothermal) -Using the Thermostat 1 Stage Aux/Emergency Heat 2/1 Thermostat Installation 2-4 Wiring 2 Installer Menu 3-4 5-6 I can get the outdoor unit to power up in AC, but not in heat. If you want a thermostat explicitly designed for heat pumps, the Honeywell RTH3100C1002 is the model for you. MITSUBISHI ELECTRIC TRANE HVAC US 4 OPTION 2: AUXILIARY HEAT Auxiliary or backup heat can be provided by a system that generates heat using a different method than the VRF system, such as electric resistance, baseboard hydronic wall-fin radiant heat or duct coils mounted downstream of an air handler. Shows state of Schedule Run/Hold . WI Sailor, ebay has thermostats (see link below) most of which are used, making the price easy to deal with. The unit outside your home is a heat pump and the unit inside the home is the auxiliary heating system. W2 - Means second-stage heat. If you tell us the heat pump make & model, loop type (open vs. closed), 1-system type: 0 (gas oil, or electric heat with AC)-----I think it should be 6 or 7 (2 heat, 2 or 1 cool conventional) I need to check my cooling system to see if I need to be on 2 or 1 5-heat cycle rate:5 for gas or oil furnaces of less than 90% eff -----I think it should be 3 (systems over 90%eff) 6-second stage heat cycle rate/aux heat:this . Stage 1 blows out room temp air for 30 mins until stage 2 finally kicks and blows hot air until it hits the mark. It seems any change in setpoint causing the furnace to kick in (even in mild weather). Carrier once offered the most efficient AC and heat pumps, but now is third in this list. Terminal Designation Descriptions. One night the 6am outside temp was down to 5 degrees. LED 2 Green: System Stage display: No display: 1st stage heating or cooling. The place to go for energy saving tips, air quality information and more. Heat On" on the screen when Auxiliary Heat is activated. PURGE Solid when in purge (lasts 2 minutes at power-up and after a call for heat or cool). Benefits of Two-Stage Cooling . The auxiliary heat setting is more energy and cost-efficient than emergency heat. I Show the Low Voltage Thermostat Wiring Diagram for a Heat Pump with Electric Resistance Strip Heating in the Air Handler. However, for a given amount of heat (BTUs) delivered, stage-1 uses less energy (kWh), due to its higher efficiency. This is an all-electric Heat Pump, but it could also be a gas, oil, or hot-water back-up system as well. Heat Pump Stuck in Aux Heat Mode. I bought a new Trane heat pump last December. The thermostat you purchased is designed for a single stage system (such as an air conditioner and a single-stage gas furnace). The primary (1st) stage is the heat pump itself. 2 Stage conventional cooling system - will have wires leading into terminal Y and Y1 (or Y1 and Y2) Two Stage Thermostat - 2 heat/ 2 cool option. S s y y2 g c u u a w2 w k rc r la e aux heat pump air-handler rrc switch up ob 11 c g y l o r 2 3 4 21 31 4 m36923 2h1c heat pump with electric aux heat. Aux Heat (for Heat pump systems only): N if no Aux heat, Y if yes 6. nd2 Stage Cool: N if no second stage cooling, Y if yes Done Setup TZ45H Ver: 1.02.02 The intuitive interface and powerful features incorporated into the compact design of the color touch-screen control represent the latest in climate control technology from the industry's leader in residential HVAC systems. I discuss the Color Code and Volt. Aux heat kicks in when the heat pump is working but there's a difference (typically 2 - 3 degrees) between your thermostat setting and the actual indoor temperature. AUX heat can also start if the pump can't handle the outside heat on cold winter nights. Heat transfer is the most efficient (and cheapest) type of heating, and it's your heat pump's main solution for heating your home. The AH and Compressor always say C2 for Cooling Stage 2. This is a mechanical thermostat, so there aren't any complicated setups, mobile apps, or touch screens to learn. 5. That is why, on many old thermostats, you would jumper Y1 and W1 in a heat pump application. LED On: LED 3 Green: Run/Hold/ESM display. Whether that is heat or cool is actually dictated by whether or not the O/B terminal is energized. Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days. Some less intelligent stats share (or jump) the W1 (or W) and Y terminal for running heat pumps. The answer lies in the weather and your heat pump's condition. Once its on, it stays on and heats the . W2, AUX and or E (Emergency) wiring connections will normally connect to the ecobee3 W1 terminal. eFlex variable-speed compressors and fans deliver the comfort building occupants need, while also delivering the performance and efficiency building owners want. 14 SEER 80% or 95+% AFUE Combo; 15 - 16 SEER 80% or 95+% AFUE Combo . W -O/B - Heat Stage 1 (Heating) / Reversing valve for Heat Pump systems W2 -Aux/E - Heat Stage 2 (Heating) / Backup Heat R - 24vac (Heating transformer) Rc - 24vac (Cooling transformer) at its most basic, your thermostat connects terminals via internal relays to send power to these different wires to control your HVAC system. Whether that is heat or cool is actually dictated by whether or not the O/B terminal is energized. ecobee3 manages auxiliary heating through the W1 & W2 (if there is more than 1-stage of aux heat) terminals outputs. It goes right to the AUX HEAT. 1.5 degree heat differential. Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days. . Since the low setting is adequate to meet household heating demands 80% of the time, a two-stage unit runs for longer periods and provides more even heat distribution. The unit outside your home is a heat pump and the unit inside the home is the auxiliary heating system. The heat exchanger is out on my Trane. (71°C) and calling for heat pump and auxiliary heat. Also, what does Stage 2 on a Trane thermostat mean? Some heat pumps also have auxiliary heat, an additional stage of heating that is typically used when the heat pump compressor can't keep up with cold weather conditions. UserManuals.tech offer 12 Trane manuals and user's guides for free. So unless you have a special type of heat pump (they are out there - the Acadia heat pump is designed . HT. At 150°F (66°C), auxiliary heat is disabled. Lennox XP21 Heat Pump. AUX heat mode is normal when: The temperature outside is below freezing; Your thermostat is calling for a high temperature increase (2-4°F) The heat pump is in defrost mode; Before we get more into when your heat pump should run in AUX heat . C/O (changeover valve - for Heat pump systems only) type: w/Cool or w/Heat 4. Y2 - 2nd Stage Comp. Table 2. Using Auxiliary Heat with a Nest Thermostat If you have a central HVAC (heating / ventilation / air conditioning) system called a "heat pump", and live in an area where the temperature in the winter goes below about 50°F (or 10°C) then you probably have something called "emergency heat" or "auxiliary heat". W1,W2,Y1, G,R,O,B,X 2 1 HEAT-OFF-COOL Manual heat or cool None Y594G1161 Includes T874G1204/Q674J1043. E - Electric Heat Override. The answer lies in the weather and your heat pump's condition. Note: A heat pump combined with a gas furnace is also called a "duel fuel" or . Aux heat kicks in when the heat pump is working but there's a difference (typically 2 - 3 degrees) between your thermostat setting and the actual indoor temperature. The brand invests heavily in the development of efficient equipment - ACs and heat pumps, furnaces and Lennox SunSource PVC solar panels to power systems. FAN Solid when in operation. However, if you are using a boiler, you can choose it too. A heat pump has two stages of heat. Given: I have a Honeywell TH6220 Stat, Trane XL14i condenser and 4TEC3F60B Air Handler with 3 strips BAYhtr3415000. But this thermostat is actually . If the heat pump is unable to produce sufficient heat to satisfy the thermostat temperature setting, the auxiliary heat (2nd stage) is activated to work in . Well two-stage heat pumps run more often, while using less energy. What gives? Heat Pump Sequence of Operation - Every electrical-mechanical piece of equipment has a sequence of operation. Goodman 2.5 Ton 15 SEER HYBRID HEAT PUMP DUAL FUEL with 96% 40K BTU Two Stage Variable Speed Natural Gas Furnace Upflow. In a heat pump, first-stage heat is the same as the first-stage cool. NO HEAT - The space temperature drops more than 3 degrees below the thermostat's heating setpoint.. page 2 824 User Guide Thank you for choosing the Trane XL824 Smart Control. Trane® Precedent® 3 to 10 Ton offering includes: Factory-assembled options: gas/electric, cooling with electric heat or heat pump. If the heat pump is unable to produce sufficient heat to satisfy the thermostat temperature setting, the auxiliary heat (2nd stage) is activated to work in . Consistent Indoor Comfort - With its ability to adjust cooling output, your two-stage air conditioner or heat pump may minimize the peaks and valleys of cooling often found with . The furnace will go to second stage (high fire) based on one of two conditions. . Second-stage auxiliary heating for heat pumps and multi-stage furnaces. With outdoor reset; replaces GE AY28X077 and AY28X138; no . In aux mode, your heat pump will continue to use outside air to warm your home to assist the secondary heat source. LED On: LED 2 Green: System Stage display: Aux Heat displayed: Stage 3 heating is active. The two-stage unit may seem to run longer than a traditional single-stage unit, but this part-capacity operation offers energy-saving benefits that you will feel throughout your home:. 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