Recent Topics
Regional Variations in Fujitsu Wi-Fi Interface Model Numbers (MPNs)
I'm in the US and I am looking to get the difference between the Fujitsu UTY-TFSXZ1 and UTY-TFSXZ2 if any. They look alike in all aspects.
How to Calibrate American Standard ACONT850AC52UA Thermostat
My American Standard's ACONT850AC52UA touchscreen is not working on the menu screen. How can I activate the buttons or is there a lock out functionality?
Alternative to Mitsubishi Electric PAC-USWHS002-WF-2 Kumo Cloud Adapter for Remote Control
I have two Mitsubishi Electric SVZ-KP18NA indoor units paired with the matching heat pump. I want to control them over Wi-Fi, but I’m unsure if Mitsubishi’s Kumo Cloud would be the best option. Currently, I use a Wi-Fi thermostat that lets me control
Is WPS Required to Set Up Mitsubishi PAC-USWHS002-WF-2 Wi-Fi Adapter?
Does my router need to have the WPS button so that I can configure and use the Mitsubishi Electric PAC-USWHS002-WF-2 Kumo cloud adapter? Can I also see a perfect video that can guide me?
How to Turn OFF Carrier TC-PHP01-A Thermostat Backlight
I have a Carrier TC-PHP01-A thermostat which is electrically powered. How can I turn OFF the backlight which seems to be continually ON. May there be an issue with my thermostat?
Mitsubishi Electric MHK2 Thermostat Stuck on WAIT
My MHK2 thermostat is stuck on wait and after I performed everything to reset it numerous times, nothing happened. What can I do?
Venstar T1100RF Thermostat Control Issues
I have an old Venstar T1100RF controlling my HVAC system. It is working poorly and the keys only intermittently perform their functions. Two dashes appear on the screen when any button is pushed. I got a new Totaline P474-1100REC unit and replaced it,
American Standard ACONT302 Thermostat Backlight Issues
I recently bought an American Standard ACONT302AS42DA Thermostat. The backlight however, does not work. How can I get the backlight to work since the batteries are new and this does not help. Everything else about the thermostat is fine.
Choosing Between Honeywell TH6220WF2006 and TH6320WF2003 Wi-Fi Thermostats
My current control panel is a Honeywell HZ432, paired with two TH5320R1002 thermostats and a THM4000R wireless adapter. I'm looking to upgrade to Wi-Fi control and need to understand the differences between two Honeywell Wi-Fi thermostats: the TH6220WF2006
Using MHK2 Thermostat and PAC-USWHS002-WF-2 Kumo Cloud Adapter Simultaneously
I have a MSZ-GL12NA indoor unit with the Mitsubishi Electric MHK2 Wireless Remote Control kit installed. I want to add Wi-Fi control through the Kumo cloud app but also keep the wireless wall thermostat. Can this be done? If so, what part do I need to
Troubleshooting Trane XL850 Thermostat Unresponsive Screen
I cannot adjust the temperature on my Trane XL850 thermostat. The touch screen is not responding. Does that mean I need a to get a new thermostat?
Airzone Aidoo AZAI6WSPMEL vs AZAI6WSCMEL Wi-Fi Adapter
What is the difference between AZAI6WSPMEL and AZAI6WSCMEL adapter? I want to use any for my Mitsubishi indoor units and I see that both are compatible. Do they also support louver control?
Changing Temperature Reading on Mitsubishi Electric Remote
I just bought a new Mitsubishi remote, but it is set on Celsius. Is it possible to change to the temperature reading to Fahrenheit? I cannot use it as is.
How to Set Automatic Cooling Mode for Trane XL824
My Trane XL824 Wi-Fi thermostat has a 1 degree varience which is understandable. However, I want to know how to have the thermostat to switch automatically to cooling once 28 degrees Celsius is reached. Help!
Outdoor UPS for PoE and 1 Gbps Applications
We need a outdoor UPS with projected full load (<60 W total) for 40 minutes. This is to drive IEEE 802.3af Power over Ethernet to 2 loads requiring both PoE and 1 Gbps interconnection (additional ports a plus but not required). What best option can you
Kumo Cloud App Loggin Issues
My Kumo Cloud App is not allowing me to log in. I have tried resetting the password but I am not receiving the reset email. What can I do since I am unable to use the Mitsubishi Electric PAC-USWHS002-WF-2 Wi-Fi Interface?
Overriding Honeywell TH4110U2005 Thermostat Program Schedule
I have program schedules on my TH4110U2005 thermostat which were set up by the installer. How do I temporarily or permanently override the schedule?
How to Fix Emerson 1F83C-11PR Blank Screen Issue
My Emerson 80 Series thermostat (1F83C-11PR) just went blank after 2 years. Nothing is being displayed on the screen. How can I get the screen back to working? I am not sure whether the thermostat is battery-operated since I can still control the unit
Honeywell TH2110DH1002 Battery Replacement
I have a Honeywell TH2110DH1002 thermostat whose batteries I need to replace. How do I get the cover off? Pulling it will break the controls at the bottom.
Mitsubishi Electric PAC-USWHS002-WF-2 Factory Reset
I am having trouble with my PAC-USWHS002-WF-2 interface where the Kumo Cloud app does not find my zone. Where is the factory reset button on this Wi-Fi interface unit?
FJ-IR-WIFI-1NA vs FJ-RC-WIFI-1NA Wi-Fi Adapter Connection
I have 2 indoor units, which I am looking to make Wi-Fi enabled. I am considering FJ-IR-WIFI-1NA and FJ-RC-WIFI-1NA. Do these two have an internal antenna somehow? Also, are they connected next to the existing wall mounted wired control or next to the
Difference Between Mitsubishi Electric PAR-41MAAU and PAR-40MAAU Thermostats
While looking for Mitsubishi Electric controller, I see the PAR-41MAAU and PAR-40MAAU thermostats which look similar. What is their difference?
Fujitsu AUU9RLF Wi-Fi Control Options
I have a three Fujitsu AUU9RLF ceiling cassettes with a wired wall mounted controller. What parts (Module, etc) do I need to make this older units Wi-Fi controlled?
Honeywell RedLINK THM6000R7001 Powering
Can anyone tell me if the Honeywell RedLINK gateway (THM6000R7001) is POE compatible or needs a separate power supply? Also, is my Honeywell THX9421R5021WW compatible?
Humidity Mode on Gree Remote
I have a Gree 30510568 remote controller with the humidity mode. Is it used to add humidity in winter or to remove it during summer? Basically, how does that work?
Honeywell Pro 2000 Thermostat Reset
I am having issues with my TH2110DH1002 Honeywell thermostat which is not working. I tried replacing the batteries but this is still an isse. What can be the solution, do I need to reset. If so, how?
Implementing AI in SEO and Google Ads Marketing Workflows
These collection Rfwel's AI-driven workflow solutions empowers marketers to optimize their digital strategies. From effortless Google Ad creation to advanced SEO content optimization, these tools leverage AI to automate tasks, enhance performance, and
Pro1 T725 Digital Programmable Thermostat Temperature Adjustment
I have a Pro1 T725 thermostat in my new house. How do I go about increasing the temperature?
120V Photocell Power Tap with Dimming Control
I am interested in Ripley Lighting Controls #5731-20-1 or any other 120V Photocell Power Tap which retains dimming vontrol. Will the power to my appliance turn off at daylight?
Fujitsu UTY-TTRXZ1 Third-Party Thermostat Converter Error
I have encountered an issue with my Fujitsu UTY-TTRXZ1 after installation. It is displaying an error code as shown in the manual guide(Thermostat Converter Error 10.2). When the converter displaying the error is connected, the AC will not run. I would
FP289A-120-CNB-A 7-pin power tap vs FP289A-120-CNB 3-pin power tap
Can I use a 7-pin power tap instead of a 3-pin power tap? Does the 7-pin work well ignoring the control pass through pins?
AI Automation Home Page
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Mitsubishi Electric MRCH1 Thermostat Replacement
I have Mitsubishi PEAD-A24AA4 indoor unit, PUZ-A24NHA4 outdoor unit and MIFH1 receiver. What thermostat and other equipment do I need to buy to make the system work with my receiver?
Correct Rotary Switch Settings for the Samsung MIM-A60UN Thermostat Adaptor
I own the Samsung AC024KNZDCH indoor unit and i recently installed the Samsung MIM-A60UN Thermostat Adaptor to wark with my 3rd party thermostat. Kindly recommend the default or appropriate rotary switch settings for the adapter.
How to Unlock Sensi 1F87U-42WF
How can I manually unlock my Sensi 1F87U-42WF smart thermostat using the keypad when it is in the LOCK mode on the APP? There is no internet connection at the moment.
How to Unlock Samsung MWR-WH00 Wired Thermostat
My thermostat is Samsung MWR-WH00. How do I unlock this controller?
Difference between the Rheem RETST800SYS & Ruud UETST800SYS Thermostats
I was planning to replace my old thermostat with the Rheem RETST800SYS Econet Thermostat but I came across the Ruud UETST800SYS Econet Thermostat and both thermostats look similar. Kindly, what is the difference between the two thermostats?
Emerson ST55 Cycle Rate
My thermostat is the Emerson ST55. Does it have a span setting? Is that the same as what is called Heat Differential?
Mitsubishi PAC-US445CN-1 Third-Party Thermostat Adapter Operation
My indoor units are MSY-GL09NA. Can I use the Mitsubishi PAC-US445CN-1 thermostat adapter since I need to use regular thermostats that have Wi-Fi so we can monitor and also control them remotely?
Carrier 40MBDQ24.3 Unit Remote Access Options
I have a Carrier ducted mini split system and I need to replace the wired wall controller with a wireless controller that I can run from my phone. One of the model I see is #KSACN0701AAA. Is that applicable for what I want to achieve? My indoor unit is