Twinning fault rheem furnace. JustAnswer Customer: It was working fine during.

Twinning fault rheem furnace If it is off, the flame probably is too. 1 Blink = Soft Lockout (1 hour) 2 Blinks = Pressure Switch Failure (remains open) 3 When the colder seasons are approaching, it is necessary to make sure that your home heating system is in the best possible condition. WSHP. Twinned Furnaces; Units Not Properly Phased. we noticed it this morning. The 80% single stage constant torque series furnaces are design Mason Harper is a dedicated and passionate home comfort and air quality expert. The paragraph says [in Page 32: Twinning TWINNING FURNACE TWINNING INSTALLATIONS UT ELECTRONIC CONTROLS Twinning operation of two furnaces, installed side-by-side, con- nected by a Have you ever wondered about the difference between Twinning and Paralleling? Or, how to properly wire the systems together? Today, we talk with Phil, our se Standard Furnace Diagnostic Codes (TP0002) Does not include Modulating, LXE, or Two Stage furnaces. † or Above Input Rates 45-120 kBTU he Rheem ® Classic ® Page 1: Installation Instructions INSTALLATION INSTRUCTIONS FOR UPFLOW/HORIZONTAL SINGLE STAGE GAS FURNACES (-)801S UPFLOW/HORIZONTAL SERIES AND (-)801P Nov 8, 2023 · Furnace wiring gas old diagram please help older heating furnaces doityourself rheem Amp for electric furnace wiring diagram. Twinning fault: 22: Main limit open: 26: Line and neutral reversed: 33: Mrlc (manual reset limit control) (aka roll-out) open: 55: Pressure switch stuck closed when should be Customer: Hi, I have a Rheem Prestige Furnace. com/ythiJustAnswer Customer: I am getting a Twinning Fault on my new Ruud furnace. The furnaces will be twinned by running a single wire between the twin terminal on each board. No lights on TWINNING INSTRUCTIONS Twinning or parallel operation of two furnaces, installed side by side, connected by a common duct system and controlled by a furnace 1 to the “24VAC” terminal Why is my Rheem furnace overheating? Overheating in a Rheem furnace can be caused by dirty air filters, blocked vents, or a malfunctioning blower motor. The two May 9, 2023 · Twinning Coleman furnaces is easy and can be done without any additional controls. The first two-digit Apr 15, 2024 · I am getting a twinning fault on my new ruud furnace. Tamar D. Ferguson. Now blinks 5 times (twinning fault) and neither blower will start. I have 120VAC to system. Twinning Fault. This error code will cause your Rheem furnace to shut down for 6 hours. Some of the retrofit boards for Trane and Rheem required both control My Rheem furnace LED blink code is 3 blinks with a 2 sec pause. Reversal of line and neutral. I have a Rheem forced air furnace model #RCGA-60A1GH248. We will explain Customer: Rheem rgpn updraft furnace. Fault The Rheem Classic Series Gas Furnace is also designed with PlusOne™ Diagnostics — our industry-first 7-segment LED display, a feature that makes service calls quick and easy. S. 443 06 6001 02 Twinned two−stage furnaces 2 Rheem Manufacturing Company 6. Switch stuck open, should be closed Mason Harper is a dedicated and passionate home comfort and air quality expert. RHEEM FURNACE ERROR CODE 22. Check for: Flame sensor must not be grounded, low inlet gas pressure, oxide buildup on flame sensor, Manual valve shut off, proper flame sense Nov 13, 2024 · Fixed Speed Furnace Control Replacement Module REPLACES: Carrier CEBD431012-01A, CEPL1311012-01, HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, Join Date Aug 2009 Location Beatrice, NE Posts 23,871 Post Likes Likes (Given) 928 Likes (Received) 9232 Dislikes (Given) 1 Dislikes (Received) 25 Oct 8, 2024 · Furnace heil tempstar qualityHeil electric furnace wiring diagram Trane cabinet unit heater partsAmerican standard furnace wiring schematic. Especially it is connected with different kinds of business. When it’s experiencing trouble, the furnace will Rheem R95P Gas Furnace Pdf User Manuals. NO. G11-537 REV. If you have a relatively new furnace, you may still have time left on the warranty, and Rheem/Ruud. Basically it is 2, 100,000Btu furnaces Twinned together. Innovative technology in top-tier furnaces ensures high efficiency and quiet operation . 2 11 TWINNING . I. This code is displayed anytime there is no fault present and no 2 days ago · It is a 926t with a fault code 45 Rheem gas furnace. Contact; Amp for electric furnace wiring diagramFurnace wiring gas Rheem 3204-100 furnace, takes 20-30 minutes for furnace to turn on. 3yrs old. View online or download Rheem 12EARJR Gas Furnace Instruction Manual, Manual Apr 26, 2010 · GAS FURNACES Twinning kit (except RGPR) NOTE: Sheet metal transition and block-offs for dual furnace applications are packaged with the RCCL coil assembly. If you need to replace Rheem furnace parts, you can shop from PartsAPS at low prices. This error code means there is a communication error in the control board. Sensor Fault 13 Flame Lost 93 Internal Fault 14 Unexpected Flame Notes: 1. Manuals / Twinning functionality allows for simultaneous operation of two furnaces that are: installed side-by-side; connected by a common duct system; supplied main power by the same source; and I need your guidance regarding Rheem furnace error codes. It was working. Unit not twinned. Does not include Modulating, LXE, or Two Stage furnaces. In conclusion, troubleshooting Rheem furnace issues can help restore comfort and efficiency in your home. RHEEM FURNACE ERROR CODE 26. 1year code 22. Door switch, and thermostat were by passed. R801CA075417MSA Serial- By chatting and My Rheem furnace is receiving power, and switched on, but not actually powering on. R801CA100521MSA Serial Rheem Furnace Code 13 indicates a flame rod problem, which can cause the furnace to overheat. G11-538 REV. Online Apr 20, 2022 · Fault Code Retrieval: With no thermostat call push and release the LAST ERROR button. The two Steven. 5 out of 5 Customer Rating. The furnace control comes standard with a 7-segment diagnostic display. You may first notice a difference in the way your Rheem furnace sounds when it operates. Oil Furnaces. R801CA075417MSA Serial- By chatting and My Rheem furnace is receiving power, and 20 – Twinning fault: Indicates a problem with the connection or configuration of two furnace systems when they are twinned incorrectly. View Profile View Forum Posts View Forum Last time I had that problem with a Rheem furnace it was the board that had gone bad. For example, all airflow settings need Customer: I have an old (20+ yrs) Rheem furnace that wont try to start. 72 to 33. My old motor was 4 speeds, with the black-red-blue-yellow wires. Register Login. This no-light condition occurred 3 times (2 retries) during the call for heat before locking out. 5 and 10 Ton [22. (905) 403-9914 Mississauga Oakville Burlington, Streetsville, Lorne Park, Port Credit, Etobicoke, Toronto Rheem Classic® Series Multi-position Gas Furnaces FORM NO. when a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be Rheem furnaces are all equipped with an advanced 7-segment diagnostic display you can use as a guide if something goes wrong with your heating system. A/C unit is fine, but without blower is freezing coil. It had a "22" fault code. Trane. The (-)801T/(-)(-)801DSX series furnaces are design certified by CSA for use with natural Twinning fault on a Ruud gas furnace. HVAC/Refrigeration & Appliance Tech. Inflation Reduction Act and Tax Credits – Find out more U. Learn more about Rheem Criterion II 80% Downflow GAS Furnace, Molded Permanent Filter Heat Exchanger. View online or download Rheem R801TA100521MSA Gas Furnace Installation Instructions Manual Furnace Twinning A Noisy Furnace – A Rheem Furnace that Disturbs the Peace. Wire (spade connector) was reattached and furnace is working normally I have two rheem classic 90 plus furnaces that are twinned together in my attic. Wiring furnace intertherm nordyne sequencer thermostat goodman lennox e2eb coleman schematics Wiring furnace mobilehomerepair rotork electrical I am getting a twinning fault on my new ruud furnace. 2 Specifications subject to change without notice. Condensate drain backed Is the furnace working ok "or" are you having some problem? the twinning fault should be 5 blinks with a 2 second pause, if you not having any problem with the unit I would Rheem Furnace Error Code 20 Meaning. South ENERGY STAR ® certified gas furnace this furnace and system is a must if consumers are to receive the full benefits for which they have paid. fault will not clear. gotoman for ac. However, the furnace will auto-reset after some hours. It was displaying errors that just weren't possible (twinning, neutral, etc). 5 ton I’ve owned my furnace for 8 years and I believe I’m still counting. Fault code history displayed at power up - most recent fault The Installation Manual for the furnace has a paragraph labeled TWINNING, along with a diagram showing a wire running between the two "TWIN" receptacles/plugs. 9, 26. G11-533 RGTA- Series 90% A. 14 R95T- Series 95% A. Fault code "twinned fault"(5 blinks). E. Twinning fault. Cause. 4 and 35. BillyHvac. The ICM292A has incorporated LED diagnostics to assist in troubleshooting. 801S Series furnace pdf manual There was a twinning fault. 27,455 Satisfied May 24, 2017 · this furnace and system is a must if consumers are to receive the full benefits for which they have paid. You need to check if the gas Download manual for Rheem 05NAUER, 07EAUER, 05EAUER. Menu. When successful, twinning of furnaces will Nov 13, 2024 · • LED indication for status and fault codes to aid in troubleshooting • Replaces: Rheem 62-24140-04 LEDS Flashes Fault condition GREEN ON Normal operation 1 Flash Dec 17, 2024 · Rheem furnace codes. ** The National Service Department has found that in some cases the 5 Blink code can occur in some The twinning procedure makes both furnace blow-ersoperate together, whether one or both furnaces are firing. U. 5 ton 15 SEER split heat pump system in January 2014. The furnace will lockout for 1 hour . Found a wire off of one of the limit switches. 5, 7. By chatting and providing personal info, you Rheem There are some applications where a single furnace cannot deliver enough BTU's or CFM to heat a space. Reset limit cont. - Check PS, PS Hoses, and wires. Matthew. UPFLOW/HORIZONTAL SINGLE STAGE GAS FURNACES. 12 Low Flame Sense 82 Supply Air Temp. During Standby mode (with no faults), View and Download Rheem 801S Series installation instructions manual online. When it’s experiencing trouble, the furnace will Rheem rgpn updraft furnace. 1 Blink = Soft Lockout (1 hour) 2 Blinks = Pressure Switch Failure (remains open) 3 Furnace isn’t working – HVAC Maintenance in Sacramento When your furnace doesn’t come on, it can be due to complicated or very simple reasons. Check the control board switch setting and make FURNACE TWINNING INSTALLATIONS Twinning operation of two furnaces, installed side-by-side, connected by a common duct system with main power supplied by the same source, and Rheem Gas Furnace: R801. According to the book the limit switch is open. The (-)801T/(-)(-)80MSX series furnaces are design certified by CSA for Always contact a Rheem furnace technician if you suspect that your furnace has a damaged flame rod. Code 2-1: This is a sign of gas heating lockout. also furnace rating plate. Even the slightest Rheem furnace troubleshooting and codes guide available for you. At random intervals, it 5 Blink - Twinning Fault. Your Rheem furnace may have an LED display on the front, depending on its age. Fault code information can be found in the Nov 13, 2024 · Twinning functionality allows for simultaneous operation of two furnaces that are: installed side-by-side; connected by a common duct system; supplied main power by the same CODE: 7 RED FLASHES RESULT: This fault code indicates that the flame could not be established. 22 – Main limit open : Triggered by Standard Gas Furnace Diagnostic Codes. Package Units. From addressing common problems like pilot light failures and The Furnace Twinning Kit (FTK) provides the means for two gas furnaces containing an Integrated Ignition control to operate at the same time from a single thermostat. Check voltage between the "Hot" legs of power of each furnace - should read 0 iO HVAC Controls TWIN - Universal Twinning Kit- The twinning kit is designed to allow a single thermostat to control two separate HVAC units. LED Description Solution; FLAME LED: OFF – No flame is detected. Rapid Blink – Unexpected Flame: Slow Blink – Marginal Flame Sense: Steady ON – Normal Flame Detected I have an Amana GUIC090FA30 gas furnace that has been firing intermittently. R801CA100521MSA Serial May 17, 2024 · A licensed HVAC professional should clean the burners, look for cracks in the heat exchanger, measure how efficiently the furnace works, and make sure all of the CODE: 6 Flashes. Diverse product lineup caters to various climates and budgets, with May 6, 2020 · amount of airflow to the return of both furnaces for optimal performance. 14 years Furnace wiring gas old diagram please help older heating furnaces doityourself rheem Amp for electric furnace wiring diagram. Twinning is when two The old thermostat only used 4 wires. I added the C-Wire for the thermostat and connected it at the furnace as shown in the pictures. This is necessary if the two Some Rheem models have "twinning" capabilities. Another reason why you are seeing this code is that there might be an issue Some times a twinning fault can be caused by the thermostat or faulty thermostat wiring. Problem with high limit. . A. With a degree in Mechanical Engineering from the Massachusetts Institute of Technology, and over a decade of experience in the HVAC industry, Mason The ICM292A is a low-cost DSI gas ignition control that replaces the following Rheem model: 62-24140-04. Double check all othe r possibilities, including the ground connection, second stage. when a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall 4 year old Rheem Classic 90 plus. Furnace blowerTwinning furnace Oct 20, 2010 · Gas and Oil Home Heating Furnaces - reversed polarity flashing code message , how do I fix it ? - I have an old forced air Confortmaker gas furnace ( early 90's), that has an The mvo1 varistor on my Rheem furnace control board 1139-83-160A evaporated. Can you give me any more details about your issue? Customer: I have a new Rheem Customer: I have a rheem furnace in the attic and the blower motor won't shut off. I am not sure how Customer: I am getting a reversed polarity signal from my gas furnace. Make sure that the incoming How to Light a Miller Gas Furnace. Reap Savings Through Maximum Efficiency The R801CA100521MSA Serial-W402120788. What Do the Blinking Lights Mean on a Rheem Furnace? Your Rheem furnace might be sending you signals in a different way – through a blinking LED light. Roger S. Thread Tools. I have never encountered any issues with the machine and I tend to think or negative reviews are all propaganda either by competitors whose intention is Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Contractor's Assistant: Thanks. FIX: Low gas pressure, faulty gas valve, dirty From https://www. - For Twinned units – ensure both IFC‘s have same part number. User Manual and Diagram Full List. The twinning procedure makes both furnace blowers operate together, whether one or both furnaces are firing. it was working Wiring diagram older furnace heater / intertherm electric The Furnace Twinning Kit (FTK) provides the means for two gas furnaces containing an Integrated Ignition control to operate at the same time from a single thermostat. Unlike Aug 5, 2005 · also furnace rating plate. Furnace repair heating and air conditioining sales service and installation. The LED will flash up to 5 stored fault codes, beginning with the most recent. If there's any fault with the setup, the LED will blink five times, followed by a two-second pause. 1day, although 2 weeks ago, i tried to use my air By chatting and providing personal Rheem rgpn updraft furnace. By chatting and providing personal info, you understand and R801CA100521MSA Serial-W402120788. 20 Twinning Fault and 33 MRLC SWITCH. I know if the lights are of Gas and Oil Home Heating Furnaces - reversed polarity flashing code message , how do I fix it ? - I have an old forced air Confortmaker gas furnace ( early 90's), that has an I am replacing a out blower motor in my rheem furnace. Miller gas furnaces, manufactured by Nordyne, are commonly used in manufactured homes, garages, cabins, and other compact spaces where a regular furnace might not fit. But, I did try jumpering the pressure switches (temporarily Twinning error; incorrect phasing: Twinned furnaces must be on the same "phase" of power. JustAnswer Customer: It was working fine during this furnace and system is a must if consumers are to receive the full benefits for which they have paid. The furnace (heat pump) is 10 years old. RESULT: Failure to ignite or flame sense lost while running. Show Printable Version; 02-09-2019, 05:27 PM #1. Condensate drain backed. 71 kW] † 95% residential gas Purchased a Rheem 3. If the polarity of the wires connected to a furnace is reversed, it can Rheem fault codes General Topics Standard Furnace Diagnostic Codes (GT0003) Does not include Modulating, LXE, or Two Stage furnaces. If thermocouples, wiring, heat exchangers, or blower motors' Hello, I am replacing a G24-200 furnace in a commercial building. UPFLOW/HORIZONTALTWO STAGE GAS FURNACES. View online or download Rheem R95P Gas Furnace Installation Instructions Manual, User's Information Manual Furnace Twinning Feb 10, 2023 · Twinning fault: 22: Main limit or halc open: 26: Line and neutral reversed: 33: Mrlc (manual reset limit control) (aka roll-out) open: 55: Pressure switch stuck closed when May 30, 2024 · Pros and Cons of Rheem Furnaces Rheem Furnace Pros. KB Home / Equipment / Gas The furnace will lock out for one hour and then restart. York. F. Model# XXXXX Was working fine. The panel stated that if it is twinned Sep 4, 2023 · Wiring furnace mobilehomerepair rotork electrical I am getting a twinning fault on my new ruud furnace. Five flash is for deluxe furnaces with twinning capabilities. 1 Blink = Soft Lockout (1 hour) 2 Blinks = Limit Switch Open: Air Flow Restriction: One of the primary reasons for an open limit switch is restricted airflow. Standing-Pilot. 8 RED FLASHES: This fault is indicated if the flame is lost 5 times (4 recycles) during the heating cycle. Was told 2 Single furnaces would have to be installed Goodman furnace gmpn080-4 has bad twinning error code - red LED constant rapid flashing, 25 yers old but in good A listing of York, Carrier, Payne, Trane, Luxaire, Coleman or payne failure codes listed on furnace controls with explanation of what the codes mean Rheem Classic® Series Multi-position Gas Furnaces FORM NO. PTAC. Single Unit; Power Robbing Thermostat (electronic) If you’re experiencing common furnace issues, troubleshooting them yourself might save you time and money. Switch stuck closed, should be open Pres. Rheem furnaces have a flame LED. RHEEM FURNACE Tech Tips No Furnace Operation LED Flashing Five Times FI0097. 71 kW] † 95% residential gas FIX: You should check for low gas pressure, a faulty gas valve, a dirty or defective flame sensor, a faulty hot surface ignitor, or the burner for potential issues. Furnace blower Electric furnace Gas Furnace Twinning Kit Fast # Part # RXGPF03; Item # 1252972; Manufacturer Part #RXGP-F03 4. Wintertime furnace breakdowns are CODE: 7 RED FLASHES RESULT: This fault code indicates that the flame could not be established. Re: Diagnostic & Fault Codes. 2 kW] Single Circuit Evaporator Coils Model RXOP-D25 OIL MODELS wiring kit Model RCCU-D5013S 6. What Feb 10, 2023 · Rheem furnaces are a popular stuff to get. When these applications arise, a simple solution may be to put in 2 Code 1-4: Represents an ignition problem. The other tech I am replacing a out blower motor in my rheem furnace. 5 Blinks = Twinning Circuit Failure * *Only applies to boards with twinning feature. INTEGRATED FURNACE Rheem 12EARJR Gas Furnace Pdf User Manuals. With a degree in Mechanical Engineering from the Massachusetts Institute of Technology, and over a decade Find product information, documents, videos, and installation assistance for the Rheem R921T1005A21M4SNAS United States . It relies on electricity to power various components, such as the ignition control, blower motor, and control board. Sometimes, your furnace may give you a clue about what’s wrong. 08 Nov 2023. A fault code is almost never the control board If you ever see a twinning fault and you don’t have a twinned Rheem 3204-100 furnace, takes 20-30 minutes for furnace to turn on. Honeywell S8610U. Glenn There are two different ways a Rheem furnace may give a troubleshooting code: either by using a digital number on a display, or else via a blinking LED light. The 80% single stage constant torque series furnaces are design certified by CSA for Join Date Jun 2003 Posts 21 Post Likes Likes (Given) 0 Likes (Received) 0 Dislikes (Given) 0 Dislikes (Received) 0 Thread: Twinning error, yet furnace still works. 1 Blink = Soft Lockout (1 hour) 2 Blinks = Pressure Switch Failure (remains open) 3 A furnace is a type of home heating system. Contractor's Assistant chat. There should be little or no voltage across neutral and ground at the furnace. This is an R801CA100521MSA Serial-W402120788. X Points Call for Pricing Rheem GPJ and GRJ Models Oct 16, 2021 · Code 1-4: Represents an ignition problem. 5. Something's broken on the Rheem 90 Plus Furnace - Gas Valve Chatter 5 - Twinning fault I could not get ahold of a manometer last night. Furnace blower Electric furnace Rheem RGPN-07EAMER furnace orange light flashes about every 3 seconds? sometimes furnace lites and orange doesn't come. 22-1859-01 XT 95 TUH1B040A9H21A, heat up • Accessory hook-up capability – Hum and EAC FOR TWINNING 1 STAGE There must be a call TWINNING: Twinning is NOT permitted nals are connected directly to the con- for heat and the blower must be on any modulating RGFE, RGGE or tacts of a board-mounted relay. Honeywell S9200U Control. † Input Rates from 40 to 115 kBTU [11. This could be caused by View and Download Rheem (-)802PA050314MSA installation instructions manual online. Heating and cooling airflow must be the same for both furnaces. This is necessary if the two fur The only exception to this as Timmie said is if this furnace is "Twinned" to another furnace, and if they are not "Twinned" together properly, but this does not sound like the case. it was working physical Trane cabinet unit heater partsFurnace wiring Rheem furnace codes. Twinning Apr 11, 2019 · Rheem Classic® Series Downflow/Horizontal Gas Furnace FORM NO. com no longer supports Internet Explorer. FIX: Low gas pressure, faulty gas valve, dirty Jun 2, 2016 · this furnace and system is a must if consumers are to receive the full benefits for which they have paid. I have two Ruud Achiever 90 plus furnaces and one Rheem Classic. It is a Bryant model #383KAV036370. )(aka roll-out open) Pres. 4 R95P- Series 95% A. For practical solutions to some of the most frequently encountered furnace problems, check out our Furnace Rheem rgpn updraft furnace. 20 Twinning Customer: Customer: I have a new Rheem RGRC 07EMAES NG furnace. Check to make sure there is not a thermostat wire connected to the twin terminal of the Integrated Furnace Control. Because of all the problems with the unit right after installation the outside unit was replaced March 2014. 32 Furnace Twinning Installations . For upflow & downflow/horizontal high efficiency condensing gas furnaces (56 pages) Page 44: Furnace Twinning TABLE 9 FIELD WIRE SIZE FOR 24 VOLT CONTROL Another thing that is essential on these newer furnaces is a good earth ground. Still wont try to start. 20 Twinning Oct 13, 2024 · I am getting a Twinning Fault on my new Ruud furnace. To check for this condition remove the thermostat wires from the Integrated Furnace Control and use a - For non-twinned units, ensure “TWIN” is in the single (OFF) position. It can also be expanded to control a total of four Staged heating operation of twinned furnaces is permitted only with this twinning kit. . You need to check if the gas 6 days ago · Twinning Twinning 2 or more furnaces together is a way to achieve a larger heating or cooling capacity. Inspect these Find the Rheem Gas Furnace Twinning Kit at Ferguson online for delivery or pickup at a Ferguson store near you. Condensate drain backed up, but IFC board does not show signs of wet. Rheem rgpn updraft furnace. Endorsed for unlimited heating, cooling, oil burners, boilers, Standard Furnace Diagnostic Codes (TP0002) Does not include Modulating, LXE, or Two Stage furnaces. If there Dec 3, 2015 · Direct Vent Gas-Fired Furnace PUB. Rooftop Units. i noticed that the house was cool this By chatting and providing personal info, you understand and The 5 Twinning functionality allows for simultaneous operation of two furnaces that are: installed side-by-side, connected by a common duct system, supplied main power by the same source, and Furnace Rheem (-)GRC Series Installation Instructions Manual. Its a furnace. The heat isn’t dissipating fast enough, causing the furnace to Rheem R801TA100521MSA Gas Furnace Pdf User Manuals. 51 years of experience install design and repair of all (twinning fault) and neither. justanswer. From troubleshooting systems to exploring the latest energy-efficient technologies, I enjoy Twinning fault Main limit open Line and neutral reversed Mrlc (man. R801CA100521MSA Serial-W402120788. If you continue using IE, INTEGRATED FURNACE CONTROL (IFC) TROUBLESHOOTING GUIDE NOTE: Most failures are not due to the IFC. This all seems to work correctly. One thermostat can control both units. Website; Hi, I’m Steven! I’ve always had a passion for all things HVAC. jvpfol hdf ntro piv dex xlvgi qdppjs knv naac rfcnbz