Reset dometic thermostat

Here is how to reset a Dometic 10-button thermostat: Turn the thermostat OFF. Simultaneously, press and hold the MODE and ZONE buttons. Continue holding the buttons until the display reads IniT and all available zones. Release the two buttons. Press the ON/OFF button to exit the system set-up. The thermostat will turn back ON and complete the ...

Reset dometic thermostat. Make sure the CCC 2 thermostat is in the OFF condition. • Simultaneously press and hold the MODE and ZONE buttons. See page 3, Quick reference to control buttons. • The LCD will display “IniT” and all available zones. • Release the MODE and ZONE buttons. • Press the ON/OFF button to exit system set up.

3316250.712 Dometic Single Zone RV AC Thermostat, Black. Cool/Furnace/Heat Strip. Using the advanced technology of capacitive sensors instead of physical buttons, the comfort of your RV is literally at your fingertips with the CT Thermostat. Gentle taps on three input areas of the control give you access to all the climate control features.

the account password changes, you must also reset the password in the thermostat using the Bluetooth password reset button. Apps will not allow access to the thermostat from Bluetooth if the passwords do not match. Temperature Reading Adjustment This setting allows you to calibrate the Inside temperature reading with an offset. ForHow Can I Reset My 5 Button Dometic Thermostat? There is a system reset process to adhere to, which is as follows: Disconnect the plug. Next, flip the switch back …To turn On the Single Zone LCD thermostat, press the On/Off Mode button. The LCD will be activated. To turn Off the Single Zone LCD thermostat press the On/Off Mode button and toggle through the modes until the On/Off green LED is on. The LCD will go out and the green LED will remain on for approximately 15 seconds, then go out. Programming ...Jan 4, 2024 · To reset a Dometic thermostat in an RV, first, turn off the thermostat and then locate the reset button. Press and hold the reset button for 5-10 seconds until the display resets. This should restore the thermostat to its default settings. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2. Thread Tools. 11-04-2018, 01:56 PM. MSHappyCampers.While the Dometic thermostat is designed for reliable and intuitive operation, occasional issues may arise that require troubleshooting to restore optimal functionality. Understanding common troubleshooting techniques empowers users to address minor issues and ensure seamless performance of their home climate control system. Dometic 3-wire Thermostat Wiring Diagram for Boilers and Heaters. Most modern boilers and water heaters are operated by three-wire thermostats, which are identified by the colors G, W, and R. The “G” or green wire is a notable aspect that distinguishes between two-wire and three-wire thermostats, and it is often utilized for regulating fans. With power to the Passport control disconnected, press and hold the Down button while reconnecting the AC power. When the display indicates “888” and all LEDs are lit (Power-On Reset), release the Power button. While the display shows “tSt” the following commands cycle continuously: “Hr” displays for one second.

Dometic Corporation 1120 North Main Street Elkhart, IN 46514 CANADA Dometic Corporation 46 Zatonski, Unit 3 Brantford, ON N3T 5L8 CANADA Service Center & Dealer Locations Please Visit: www.eDometic.com REVISION A Form No. 3316462.000 08/16 (French 3316463.000_A) ©2016 Dometic Corporation LaGrange, IN 46761 Capacitive Touch Thermostat Quick ... With power to the Passport control disconnected, press and hold the Down button while reconnecting the AC power. When the display indicates “888” and all LEDs are lit (Power-On Reset), release the Power button. While the display shows “tSt” the following commands cycle continuously: “Hr” displays for one second. Try resetting the thermostat. For a single zone Dometic RV thermostat, simply press the “+” button and the “On/Off Mode” button at the same time until you see two dashes. Then turn the thermostat on and back off. See your owner’s manual for factory reset instructions for other Dometic thermostat models. Temperature FluctuationsThat should bring your thermostat to factory defaults settings. Read also: Dometic thermostat E1 code. To reset a dometic thermostat with multi zones: Make sure the thermostat is in the OFF mode. 2. Simultaneously press and hold the MODE and ZONE buttons. 3. The LCD will display “IniT” and all available zones. 4. Release the …4 Easy Steps To Reset The Dometic WH-6GEA RV Water Heater. ... Thermostat Failure. A thermostat in your Dometic WH-6GEA is a part that measures and regulates the temperature. If the temperature of your water heater is too high, it won’t be able to function properly. A faulty thermostat won’t be able to regulate the temperature, and this ...To turn On the Single Zone LCD thermostat, press the On/Off Mode button. The LCD will be activated. To turn Off the Single Zone LCD thermostat press the On/Off Mode button and toggle through the modes until the On/Off green LED is on. The LCD will go out and the green LED will remain on for approximately 15 seconds, then go out. Programming ... How Do I Reset The E4 Code On My Dometic Thermostat? To reset the E4 code on a Dometic thermostat, you can try turning off the thermostat by flipping the circuit breaker or disconnecting the power source. Leave it off for a few minutes and then turn it back on. If the E4 code persists, it is advisable to seek assistance from a qualified technician. To reset the fan run time and clear the filter icon, hold the INSIDE and OUTSIDE buttons for three seconds. This will clear the fan run time for the current zone selected. Dometic CCC 2 thermostat: Clean the CCC 2 thermostat with a moist soft cloth. DO NOT spray water directly on the CCC 2 thermostat. DO NOT use solvents for …

Jul 5, 2021 ... Can't figure out why your AC & Furnace are running at the same time? Here you go.... Got a problem? Comment down below. This video go made ...With power to the Passport control disconnected, press and hold the Down button while reconnecting the AC power. When the display indicates “888” and all LEDs are lit (Power-On Reset), release the Power button. While the display shows “tSt” the following commands cycle continuously: “Hr” displays for one second.Dometic thermostat zone 1. Hello. I have a problem whit my thermostat. I can not see heat and the ac and furnace or not working. ... the controller wakes up with a case of amnesia and the previously mentioned reset procedure cures all sorts of weird behavior. _____ AIR 47751 05-27-2013, 07:13 AM #11: lewster. Rivet Master. …M.O.C. #4831. The CCC II is prone to brain-fade. The quickest way to see if that is the issue is to reset it. To do a system reset: • Make sure the CCC 2 thermostat is in the OFF mode. • Simultaneously press the MODE and ZONE buttons. The LCD will display “IniT” and all available zones. • Release the MODE and ZONE buttons.To reset a Dometic thermostat, you can try the following steps: 1. Turn off the thermostat using the ON/OFF button. 2. Remove the faceplate by gently pulling it away from the wall. 3. Locate the reset button on the back of the thermostat. 4. Press and hold the reset button for about 5 seconds. 5.

Adrian dispensary.

- The thermostat light will go out. - The MODE will read OFF. If it does not, repeat the above steps. - Test the system to check whether the reset has worked. If these instructions do not do it for you, check your manual. It should have the right instructions for your model of the Dometic thermostat. What To do If The Thermostat Does Not Turn OnDo this turn it OFF. Then HOLD DOWN BOTH the zone and mode buttons AND while you are holding them BOTH down you turn it back on. "FF" should appear on the control and then you let up BOTH buttons and it should work again. IF NOT, it may be bad OR the cable may not be getting the signal to the control box.Dometic Comfort Control Center 2 Diagnostic Service Manual. Language: English. Pages: 63. List of available manuals, guides and instructions for Dometic Comfort Control Center 2 multi-zone air conditioner & heat pump CCC2 thermostat.Well-known member. Jul 11, 2018. #1. This morning tried to adjust the thermostat up to 78 and it changed to 32 and will not go up. It will go down to 13 and back up to 32 but not higher. It is a Dometic Single Zone LCD thermostat. I looked at the owners manuals but nothing about this problem. Thanks for any help.Troubleshooting Tips for a Successful Reset. When troubleshooting your Dometic thermostat for a successful reset, start by checking the power source. Ensure that the thermostat is properly connected and receiving power. Next, inspect the settings on the thermostat to make sure they are correct.

2. Simultaneously Depress and hold the MODE and ZONE push-buttons while turning the ON/OFF switch to "ON". FF should appear in the LCD display until the MODE and ZONE push-buttons are released. 3. When a dip switch is turned on or off after initial configuration, a system reset will need to be done before the Comfort Control CenterTM will ...For a 12V powered thermostat, you’ll need to check your fuses. Our RV has two locations for our fuses one in the cabin, but these are mostly automotive fuses, and one in the back. Using your owners’ manual to locate the fuse for your thermostat, it might be labeled furnace. Pull the fuse and look to see if it’s broken.With power to the Passport control disconnected, press and hold the Down button while reconnecting the AC power. When the display indicates “888” and all LEDs are lit (Power-On Reset), release the Power button. While the display shows “tSt” the following commands cycle continuously: “Hr” displays for one second.If you have blown fuses, burnt wire, loose wiring, or other mechanical issues that prevent the thermostat from operating, the reset mechanism won’t function. Reset the Duo-Therm Comfort Control The control will reset to its factory settings of 72 degrees Fahrenheit for cold and 68 degrees Fahrenheit for hot when you do this step, therefore ...Step 04: After restarting the power supply, turn your Dometic thermostat back on. This reset procedure should help fix the issue and prevent it from occurring again. Restarting your device is the most effective way to address this issue. The good news is that you don’t require the services of a professional to do so with your Dometic thermostat. To reset your Dometic Single Zone thermostat, you can follow these steps: 1. Turn off the thermostat: Locate the thermostat on your Dometic unit and ensure it is powered off. You can do this by pressing the "On/Off" button or adjusting the temperature settings to the lowest setting. 2. Can't figure out why your AC & Furnace are running at the same time? Here you go....Got a problem? Comment down below. This video go made because one of my c...The only option for these 3 button units is a “hard reset.”. Here are the recommended steps for a hard reset: Step 1: Turn off the Thermostat. Step 2: Remove the face cover gently to get inside the thermostat. Step 3: At the 3 wires in the upper left-hand corner. Remove the farther one to the left.To reset a Dometic Duo Therm thermostat, press the reset button for approximately 5 seconds until you hear a click. This will reset all of the settings back to factory defaults. Do Thermostats Have A Reset Button? Yes, most thermostats have a reset button that can be used to reset the thermostat to its default settings. Depending on the make ...

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2. Thread Tools. 11-04-2018, 01:56 PM. MSHappyCampers.

Yes, this is possible to replace an RV thermostat but there are a few details you need to know about before you run out and buy a cheap replacement. First, the RV thermostat is designed to work on the 12 Volt RV electrical system. Most house and other thermostats are designed to work on the 24-volt system. To turn ON the CCC 2 thermostat when the back light is off, first press any button to wake up the CCC 2 thermostat. Then press and release the ON/OFF button. Press the MODE button to cycle through the mode options. A mode is an operation that can be performed by the unit and is controlled by the Dometic CCC thermostat. system initialization will need to be performed by the installer after the system is installed. Make sure the Single Zone LCD thermostat is in the Off condi-tion. See page 4, “Quick Reference To Control Buttons”. Press the “+” button and, while holding it, also press and hold the On/Off Mode button for three seconds.Troubleshooting Tips for a Successful Reset. When troubleshooting your Dometic thermostat for a successful reset, start by checking the power source. Ensure that the thermostat is properly connected and receiving power. Next, inspect the settings on the thermostat to make sure they are correct.Dometic Corporation 1120 North Main Street Elkhart, IN 46514 CANADA Dometic Corporation 46 Zatonski, Unit 3 Brantford, ON N3T 5L8 CANADA Service Center & Dealer Locations Please Visit: www.eDometic.com REVISION A Form No. 3316462.000 08/16 (French 3316463.000_A) ©2016 Dometic Corporation LaGrange, IN 46761 Capacitive …Step 04: After restarting the power supply, turn your Dometic thermostat back on. This reset procedure should help fix the issue and prevent it from occurring again. Restarting your device is the most effective way to address this issue. The good news is that you don’t require the services of a professional to do so with your Dometic thermostat.DOMETIC 3316420.XXX CAPACITIVE TOUCH THERMOSTAT ... A Note On CT Thermostat Factory Reset And Lost Pairs On CT thermostats equipped with Bluetooth® control the system initialization feature also resets the Bluetooth® system and removes all known mobile device pairs from the CT thermostat. Also if more than four …The procedure you employ to reset the thermostat should be described in your owner’s handbook. Oh, and Dometic thermostats appear to need that you first switch them off in order to read the room’s real temperature. Although rather annoying, this is how Dometic constructed its thermostats. Upgraded Dometic RV ThermostatDid your Dometic CFX cooler start freezing everything even when it's set to an appropriate temperature? Then your thermistor probably needs to be replaced. H...Mar 26, 2017 · M.O.C. #4831. The CCC II is prone to brain-fade. The quickest way to see if that is the issue is to reset it. To do a system reset: • Make sure the CCC 2 thermostat is in the OFF mode. • Simultaneously press the MODE and ZONE buttons. The LCD will display “IniT” and all available zones. • Release the MODE and ZONE buttons.

Former cnn anchors.

Chinese food abilene.

To turn ON the CCC 2 thermostat when the back light is off, first press any button to wake up the CCC 2 thermostat. Then press and release the ON/OFF button. Press the MODE button to cycle through the mode options. A mode is an operation that can be performed by the unit and is controlled by the Dometic CCC thermostat.To reset your Dometic RV air conditioner, follow these steps:Turn off the air conditioner at the thermostat or control panel.Locate the circuit breaker panel...To reset the fan run time and clear the filter icon, hold the INSIDE and OUTSIDE buttons for three seconds. This will clear the fan run time for the current zone selected. Dometic CCC 2 thermostat: Clean the CCC 2 thermostat with a moist soft cloth. DO NOT spray water directly on the CCC 2 thermostat. DO NOT use solvents for …Join Date: Sep 2010. Posts: 239. Help with new Dometic 10 button Thermostat. A few months ago, we replaced our old Dometic 13.5K AC/heat pump with a new 15K one. Since we still had a 13.5K one in the rear & the 5 button thermostat Dometic said we needed a control board on the 15K one to make it operate with the thermostat.Dec 22, 2023 · How can you reset a Dometic thermostat? For a single-zone Dometic RV thermostat reset, simultaneously press and hold the ‘On/Off Mode’ and temperature up button (‘+’) for approximately 3 seconds until the’mode’ button displays a green light. Step 1: Press and hold the mode and temperature-up buttons together. The Dometic company has been in business since 1968, when it started as Electrolux Leisure Appliances. If you need to know how to use your Dometic appliance, you can find Dometic m...How to reset your single zone domestic thermostat.When this occurs wash the filter with soap and warm water. Let dry and reinstall. To reset the fan run time and clear the filter icon, hold the INSIDE TEMP and °F / °C buttons for 3 seconds. This will clear the fan run time for the current zone selected. B. Dometic CCC 2 Thermostat D O NOT spray water directly on the CCC 2 thermostat.Accessing the Schedule Menu: Navigate to the scheduling or programming menu on the thermostat’s display. This may involve pressing the menu button and selecting the scheduling option. Setting Daily Programs: Define temperature profiles for different times of the day, such as morning, daytime, evening, and night.We have a 5 button Dometic Duotherm Thermostat, 2 penguin 630516.321 heat pumps. In trying to narrow down why zone 2 isn't showing up on our thermostat, we have tried the following: 1. Sprayed cleaner on all ends of all phone like cables (comm cables) 2. Replaced all connectors on ends of all phone like cables 3. Measured voltage … ….

To reset a Dometic thermostat, locate the reset button on the unit and press it. Dometic thermostats can be easily reset by locating the reset button on the unit and pressing it. This action will restore the thermostat to its default settings and clear any previous programming or errors. Page 13: Service. For Service Center SERVICE OFFICE Dometic, LLC Assistance Call: Dometic, LLC 46 Zatonski, Unit 3 800-544-4881 2320 Industrial Parkway Brantford, ON N3T 5L8 Elkhart, IN 46516 CANADA 574-294-2511 519-720-9578 REVISION Form No. 3313327.037 10/10 3313327.037 (French 3313345.039) ©2010 Dometic, LLC LaGrange, IN 46761... Mar 21, 2021 · In this video, we will look at the Dometic CT Single Zone RV Thermostat that comes in many RVs. It has several features that are fairly easy to understand an... Dometic. Thermostat Manuals. Dometic. Rating 5.0 (votes: 1)Here is how to reset a Dometic 10-button thermostat: Turn the thermostat OFF. Simultaneously, press and hold the MODE and ZONE buttons. Continue holding the buttons until the display reads IniT and all available zones. Release the two buttons. Press the ON/OFF button to exit the system set-up.- Reset the thermostat Dometic thermostat. Check to see if it works. - Reset the Dometic power fuse. If this does not resolve the problem, proceed to the next step. - Switch off and on the main power circuit breakers. If those do not work, then you should call in a Dometic specialist to handle the repair and do the resetting for you. Some Final ...Aug 4, 2023 · For a single-zone Dometic thermostat, initiate the procedure by turning it off. Then simultaneously press and hold the (+) button and the On/Off Mode button for at least 3 seconds. The display will show a (–) symbol. Press the On/Off Mode button again to complete the procedure. The reset process for a Dometic 5 button-thermostat is similar. The temperature of the thermostat can be changed from fahrenheit to celsius. Pressing the button again will return to normal mode. If you are using an older version of Windows, you will need to download and install the Windows 8.1 update. How do I reset my Dometic CFX? Reset to factory settings by using reset function on fridge.Related Manuals for Dometic 3109228.001. ... Roof top unit used with 3105007.xxx or 3105935.xxx return air grille, electronic control kit, thermostat, optional indoor temperature sensor, air conditioner, ccc 2/lcd sz controls (17 pages) ... SYSTEM RESET a. Turn the ON/OFF switch to “OFF” position. b. Simultaneously depress and hold the MODE ... Reset dometic thermostat, Follow the steps below to reset your Dometic analog thermostat. Switch your Dometic analog thermostat into the off position. Turn off the power supply you use in your RV to provide electricity to this thermostat. Wait 30 seconds minimum before turning the electricity supply back on., Jul 6, 2021 · Yes, this is possible to replace an RV thermostat but there are a few details you need to know about before you run out and buy a cheap replacement. First, the RV thermostat is designed to work on the 12 Volt RV electrical system. Most house and other thermostats are designed to work on the 24-volt system. , Gently pull each wire to ensure the set screws are properly tightened to prevent movement. Reattach the thermostat housing to the wall and reinstall the faceplate. Replace the thermostat’s fuse in your RV’s electrical panel. The thermostat’s display should immediately light up. Test the new thermostat., Aug 22, 2023 · Discover how to reset your Dometic thermostat with our comprehensive step-by-step guide. From unresponsive controls to inaccurate readings, learn when and how to perform a soft or hard reset to restore optimal functionality. Troubleshoot common issues, test the reset, and gain post-reset tips for maintaining a comfortable home environment. Expert advice for mastering thermostat resets effectively. , In the unlikely event of CCC 2 system memory loss or dip switch setting change, the CCC 2 thermostat will require a system reset. Refer to page 11 for system reset procedure. ... The Dometic CCC 2 thermostat will accommodate only one dehumidify air conditioner within the four zones. The dehumidify air conditioner can …, This video is a demonstration on how to operate your RV’s Dometic Single Zone LCD Thermostat. It’s easy once you know how it works and this video will expla..., Description. The main purpose of the Dometic Comfort Control Center 2 Duo Therm thermostat is to regulate the temperature in the room where it is installed. To start operating the roof top AC/HP systems troubleshooting thermostat and select the correct operating modes, read diagnostic service manual, which contains 63 pages in English., How to reset your single zone domestic thermostat. , Dometic CCCII Thermostat, White. Multi-Zone CCC Thermostat in White, Control board not included. $209.99. In Stock. Dometic CT Single Zone Thermostat. Cool Furnace, Heat Strip, White. $81.99. In Stock. Dometic CT Single Zone Control Kit and Thermostat, White., , While the Dometic thermostat is designed for reliable and intuitive operation, occasional issues may arise that require troubleshooting to restore optimal functionality. Understanding common troubleshooting techniques empowers users to address minor issues and ensure seamless performance of their home climate control system., First, you must reset the Dometic thermostat by following the steps above. If it solves, then it was a bug. If not, then there is physical damage. Is Dometic Thermostats and Furnace Thermostat The Same Thing On RV? No. The furnace thermostat is for maintaining the furnace temperature, whereas the Dometic thermostat is for controlling the RVs ..., Sep 24, 2023 · To reset a Dometic thermostat, you can try the following steps: 1. Turn off the thermostat using the ON/OFF button. 2. Remove the faceplate by gently pulling it away from the wall. 3. Locate the reset button on the back of the thermostat. 4. Press and hold the reset button for about 5 seconds. 5. , 3. Reset Your Thermostat By This Method To Stop Troubleshooting. If you are experiencing any issues with your Dometic Duo Therm RV air conditioners, one of the first steps you should take is to reset the thermostat. This can help resolve configuration errors, allowing the unit to work properly again., Sep 19, 2023 · To reset a Dometic thermostat, locate the reset button on the unit and press it. Dometic thermostats can be easily reset by locating the reset button on the unit and pressing it. This action will restore the thermostat to its default settings and clear any previous programming or errors. , Yes, this is possible to replace an RV thermostat but there are a few details you need to know about before you run out and buy a cheap replacement. First, the RV thermostat is designed to work on the 12 Volt RV electrical system. Most house and other thermostats are designed to work on the 24-volt system., Smart thermostats have been around for a while now. Google Nest is back with a new smart thermostat with new features. Expert Advice On Improving Your Home Videos Latest View All G..., Opening your Honeywell thermostat is a fairly simple and quick task. There are two different kinds of openings that Honeywell thermostats have. They either have a slide or swing op..., Mar 3, 2021 · If the gap is larger then you should use the reset system option to try to get the thermostat to operate correctly. If the problem doesn’t get fixed contact your local repairman. Or you can go to the owner’s manual and see if the problem is covered within its pages. , Apr 5, 2021 ... ... thermostat to get the furnace and fan running. Another is to check the battery condition with a voltmeter; the furnace won't start if the ..., Dometic CCCII Thermostat, White. Multi-Zone CCC Thermostat in White, Control board not included. $209.99. In Stock. Dometic CT Single Zone Thermostat. Cool Furnace, Heat Strip, White. $81.99. In Stock. Dometic CT Single Zone Control Kit and Thermostat, White., You should re-program the Dometic thermostat immediately after resetting it. That should help its longevity and keep it working. That should help its longevity and keep it working. What you do not want taking place is for the thermostat to default to the wrong setting., The temperature of the thermostat can be changed from fahrenheit to celsius. Pressing the button again will return to normal mode. If you are using an older version of Windows, you will need to download and install the Windows 8.1 update. How do I reset my Dometic CFX? Reset to factory settings by using reset function on fridge., 3316250.712 Dometic Single Zone RV AC Thermostat, Black. Cool/Furnace/Heat Strip. Using the advanced technology of capacitive sensors instead of physical buttons, the comfort of your RV is literally at your fingertips with the CT Thermostat. Gentle taps on three input areas of the control give you access to all the climate control features., The kitchen may be the heart of any home, but the thermostat is certainly what keeps everyone happy in that home. Whether you are upgrading to a smart home setup or just working wi..., Dometic thermostats are widely used in RVs and other recreational vehicles to control the heating and cooling systems. However, there may be instances where you encounter issues with your Dometic thermostat and need to reset it. Resetting the thermostat can help resolve problems such as incorrect temperature readings, unresponsiveness, or…, Things You Should Know. Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on. Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off. Flip your circuit breaker and leave it off for about 30 ..., View and Download Dometic 3316420 Series operating instructions manual online. BLUETOOTH CAPACITIVE TOUCH THERMOSTAT. 3316420 Series thermostat pdf …, Page 13: Service. For Service Center SERVICE OFFICE Dometic, LLC Assistance Call: Dometic, LLC 46 Zatonski, Unit 3 800-544-4881 2320 Industrial Parkway Brantford, ON N3T 5L8 Elkhart, IN 46516 CANADA 574-294-2511 519-720-9578 REVISION Form No. 3313327.037 10/10 3313327.037 (French 3313345.039) ©2010 Dometic, LLC LaGrange, IN 46761..., May 5, 2023 · The procedure you employ to reset the thermostat should be described in your owner’s handbook. Oh, and Dometic thermostats appear to need that you first switch them off in order to read the room’s real temperature. Although rather annoying, this is how Dometic constructed its thermostats. Upgraded Dometic RV Thermostat , system initialization will need to be performed by the installer after the system is installed. Make sure the Single Zone LCD thermostat is in the Off condi-tion. See page 4, “Quick Reference To Control Buttons”. Press the “+” button and, while holding it, also press and hold the On/Off Mode button for three seconds. , We have a 5 button Dometic Duotherm Thermostat, 2 penguin 630516.321 heat pumps. In trying to narrow down why zone 2 isn't showing up on our thermostat, we have tried the following: 1. Sprayed cleaner on all ends of all phone like cables (comm cables) 2. Replaced all connectors on ends of all phone like cables 3. Measured voltage …, Description. The main purpose of the Dometic Comfort Control Center 2 Duo Therm thermostat is to regulate the temperature in the room where it is installed. To start operating the roof top AC/HP systems troubleshooting thermostat and select the correct operating modes, read diagnostic service manual, which contains 63 pages in English.