Radio Thermostat CT50e Wifi Use and Care Manual
Contents
1. touch screen technology allows you to select by touching an item and change it using the arrows or the time arrows Time Current Room Time Fan ock The simple HOME screen is of Day Temperature Slot Status Status displayed when the unit is operating a Touching the HOME icon Hi on another screen will always return you to this screen To set a Mode Press the mode button on the side The CT50 will step through the modes HEAT OFF COOL OFF and AUTO in order The LCD shows what mode you are in TARGET TEMP Target Radio ay Chirp Thermostat w Temperature Indicator Indicator Mode M EN U Screen The MENU screen is the gateway to many functions or settings of the CT50 It is displayed when you press the MENU button See page 10 for details Set Time Touch this area to s the time of day Left arrow goes back Filter Timer set Chirp set Touch and hold Touch this to turn the 5 sec to change audible chirp on or off right arrow goes forward rat rm FILTER Differential to set for 2nd Stage start Temperature Swing set Set Day Touch this area to set the day of the week Calibration control CALIBRATE HVAC SETUP Use this to calibrate your Touch this in OFF mode to LCD display match to another thermometer configure the unit to work with your HVAC system Set C F Touch this to set temp a o display units Lin Lock Program Tp Touch for 5 sec to lock or unlock Retur2. another 5 seconds Each 5 second touch and hold must be separate La Touch WH to return to the Home screen pc 11 pc 12 CALIBRATE Your thermostat was accurately calibrated at the factory to 1 F of actual ambient temperature You do have the option however to change the display temperature to match that of a previous thermostat or to match another thermostat already in your home The range of change is from 6 F to 6 F or 3 C to 3 C To change your Thermostat Calibration touch MENU and then touch CALIBRATE Use the to adjust the displayed temperature up or down as desired The DELTA FACTOR that appears on the screen will also automatically increase or decrease for each 0 5 F or C adjustment so you can see your change The large display will show the modified temerature reading that will be displayed on the HOME screen and used as the new room temperature Touch WH to return to the Home screen DIFF Used for 2 stage normal or heat pump with auxiliary only not on screen for single stage The differential is the number of degrees between the room temperature and the Target Temperature at which the 2nd stage will be used Default is 2 F Touch MENU and then DIFF Use the arrows to set the DIFF Recommend 2 F for very cold climates and the 4 F for warm climates MANUAL Screen Functions The CT50 has 4 manual override commands The manual screen is accessed by touching the large current temperature display in
3. from 0 5 to 2 0 F The HVAC will run more frequently at 5 F and less at 2 F Default is 1 F La Touch WH to return to the MENU screen Pi Chirp set Touch this to turn the audible chirp sound on or off o FILTER AIR FILTER ALERT The CT50 can be programmed to remind you when the HVAC sytem s air filter needs changing Touch FILTER The display will show the usage to date Touch FILTER for over 3 seconds and the display will change to LIMIT Touch arrows to set desired usage limit before filter alert comes on home screen When this limit is reached FILTER will be on home screen and the CHECK FILTER indicator lights Limit may be set from 0 to 999 days 99 weeks default is 90 days 12 weeks Touch to reset To reset the usage back to 0 touch usage number touching it again restores the displayed usage Touch WH to return to the MENU screen Set Touch this to change the temperature display scale from OF to OC o LOCK The CT50 has 2 lock modes Touch O icon for 5 seconds the unit will go into the PARTIAL lock mode The user can temporarily override the CT50 target with the buttons only 1 bar For FULL lock Touch the 8 1 bar icon again for 5 seconds to go to full lock No changes can be made in full lock S 2 bars Once locked the CT50 will respond just to mode and menu To UNLOCK Press MENU Touch and hold 8 icon for 5 seconds for 2 bars if not there already Then touch and hold the icon for
4. operate the cooling portion of your HVAC system until it is turned off HEAT This will operate the heating portion of your HVAC system until it is turned off AUTO The CT50 TRUE AUTO mode switches automatically between heat and cool throughout the year Unlike other manufacturers the CT50 TRUE AUTO has no temperature or time limitations Patent pending just program your desired HEAT and COOL temps and select the AUTO mode The CT50 will switch from HEAT to COOL as needed OFF This takes your HVAC system off line and it will not control HVAC functions In this mode your house may experience extreme heat or cold FAN Button The fan control is normally in AUTO mode meaning that the fan operates automatically with the HVAC system and the thermostat When the fan button is pressed the fan goes ON the fan will run continuously in this manual override until switched back to AUTO by pressing the FAN button again NOTE Fan ON function is available in the OFF mode to allow simple ventilating pc 15 pc 16 Simple Screen This display mode limits the amount of information on screen and limits the functions to just the arrows and the MENU button To set with mode in OFF and Hold down the PROGRAM button for 12 seconds to access the limited display screen Hold down the PROGRAM button for 12 seconds to leave the limited display screen RESET button The RESET button re boots the CT50 processor It does not effect the user program
5. 1 Operation Guide CT50 Radio y Thermostat Radio Thermostat Company of America To turn your CT50 ON press the MODE button on the right side This cycles the CT50 through HEAT COOL AUTO and OFF modes The CT50 programmable communicating thermostat operates via a high quality easy eas to use touch screen To program or adjust your oo a CT50 simply touch your finger firmly to the gil eas screen The screen will automatically light up and sxz _ you will hear a beep The screen will respond differently to different types of touches so you may want to experiment by touching it different ways finger fingernail etc Do not use a sharp or metallic device it will scratch the screen T a m o i a Ee Sr a a Ramana k o RAN indicator MENU button PROG button Statement of use 100 Compatible with all popular residential HVAC systems 24VAC single two stage conventional heating systems gas oil electric heat cover Touch screen pumps single stage or with auxiliary heat electric or fossil zoned forced air and zoned hot water 2 or 3 wire millivolt systems with a 18 24 AC or DC source one or two stage cooling and hybrid systems 1014 011 001 ENGLISH PG 2 HOME Screen Before you operate the CT50 please get familiar with these basic control screens All the CT50 functions are accessed through these screens HOME MENU PROGRAM and MANUAL The CT50
6. ght COOL 78 F all day and 82 F at night To modify this program touch the PROGRAM button and then touch the DAY area until HOLIDAY appears after SAT The default HOLIDAY program is set as 2 time slots all day Same target MORN DAY and EVEN and a different target for NITE EMER in HEAT PUMP type If you set your CT50 for HEAT PUMP with auxiliary heat EMER function is available on the MANUAL screen If you touch EMER it displays EMER ON Your HEAT PUMP is disabled and auxiliary heat is your sole source of heat This manual override stays active until you toggle EMER off Auxiliary heat is more expensive than the heat pump so use EMER only if the heat pump cannot keep up or is defective Other Functions Save Energy Button The Save Energy feature on the CT50 provides a simple easy to use way to help you manage your energy use SAVE ENERGY automatically adjusts your Target Temperature up in COOL or down in HEAT by 4 F To use Save Energy press the Save Energy button in the upper left corner of the unit The screen will now read Save Energy To return to normal operation press the Save Energy button again This is useful to save energy if you are gone for a short time MODE Button The mode button sets the CT50 to HEAT COOL AUTO or OFF modes Press it once to step to the next mode If the CT50 is in OFF and you want to return to the mode you were previously in touch the OFF indicator on screen COOL This will
7. hat repeats day after day until you turn it off HOLIDAY HOLD Touch this area to operate the thermostat as a manual thermostat It will keep the temperature you set until you change it or cancel HOLD EMER heat for HEAT PUMP systems pc 5 pc 6 z D N Simple HOME Screen W make this simple HOME screen the default for your CT50 switch the mode to OFF and hold the PROG button for 12 seconds This Simple HOME screen gives you limited access to the CT50 s features only the target temp can be changed To return to the regular HOME screen switch the mode to OFF and hold the PROG button for 12 seconds Current Room Temperature TARGET TEMP Thermostat Target Mode Temperature Initial Settings Press MENU to access the following commands from HOME screen Set day of the week Su Mo Tu We Th M Sa Touch the Day of the week area to cycle through the days of the week to select the current day Set time of day Touch the Time of Day arrows to move the time selection forward or backward until 4 prg am ea lt i roa it displays the current time Touch and hold for faster setting ia Backward Forward Set OF OC display Touch the OF and it will toggle to OC is T Set audible chirp Touch the musical note icon to select the chirp or no chirp Return HOME by touching the home icon J A pc 7 pc 8 The CT50 comes pre programmed with an EPA approved program This program is recommended by the EPA for energ
8. he time arrows to select the desired period s starting time Hold arrow down for fast time scrolling Select the desired target temperature for that time slot Touch the arrows to select the desired period s temperature To COPY one day s programming to the next day touch COPY DAY once The information for the current day will be copied to the next day which will appear on the screen Holding down COPY for over 3 seconds will copy to all 7 days y N Touch Hi to return to the Home screen pc 9 pc 10 MENU Screen Functions Press MENU to bring up MENU screen TIME of DAY lt 11I Touch the left backward or right forward arrows next to the time display to set hoo the current time 1 minute per touch Touch and hold the arrow for fast time set 15 minute jumps DAY of Week Touch DAY area to select present day SWING HVAC cycling rate This feature allows you to set the desired variance in temperature between the CT50 setting and the room temperature required before the heating or cooling system will turn on from 0 5 to 2 0 F 25 to 1 C For example if SWING is set to 2 0 F and the CT50 is set to 70 F Target Temperature the heat cycle will start wnen room temperature drops to 68 F Similarly the cooling system will start when the room temperature increases to 72 F The HVAC then runs and will shut off at the Target Temperature To set SWING Touch SWING Touch the left right arrows to set the SWING
9. n to HOME screen PG 3 pc 4 PROG RAM Screen The PROGRAM screen sets the CT50 control for your home HVAC system Press PROG for to access it After that it is displayed when you press the PROG button See page 8 for details Set Time Slot Touch this area to set the Time Slot you want to program Set Program Time Touch this area to set the time of day you want each time period to start Left arrow goes back right arrow goes forward Touch and hold for fast set Copy Touch this area to copy current day s program to the next day Set Program Day Return HOME When programming is complete touch this to run your program and return to the HOME screen A SP op Ty x D E PROGRAM 7 HEAT Y Temp Up Temp Down Touch these to raise and Touch this area to set the day of the week lower each Target Temp you want to program Touch and hold for fast set MAN UAL Screen The Manual Screen control screen is where you can make temporary changes to your CT50 s operation From the Full HOME screen touch the main temperature display to use this screen See page 13 for details Target Manual Override Indicator Room Temperature Shows TEM PORARY when Temperature you have modified the Target Temperature Temp Up Temp Down arrows TEMPORARY Touch these to raise and lower Sp F the manual override Target Temp 0 Return HOME l HOLIDAY Touch this to invoke a single program t
10. s that have been stored in permanent memory Compressor Protection The CT50 has a minimum cycle time of 4 minutes to protect your compressor in cool and in heat pump if you have one The Home screen will show a small clock and A C during this time and the compressor will not come on until the 4 minute delay is over Communicating Thermostat The CT50 has 2 USNAP radio ports These allow your thermostat to communicate with other systems Using USNAP Radios The USNAP ports allow you to connect your CT50 to your home WiFi network This can give you access to your home s HVAC system even when you are away with additional web service It can also give you access to web based efficient energy management sites that can help you save money and protect the environment You can connect your CT50 to a Home Automation network for HA functionality with remote access to your HVAC system and home conditions To Insert a USNAP radio module Power off the CT50 Insert the radio module in either slot on the back of the CT50 Power up CT50 To connect to a network follow the instructions that came with the USNAP module A Caution DO NOT INSERT or REMOVE USNAP radio modules if power is ON This can damage the thermostat or radio modules pe 17
11. the middle of the HOME screen IMPORTANT The Mode must be in HEAT or COOL to access the manual screen TEMPORARY override Touch the arrows to select your desired temporary Target Temperature Touch HOME to return to operation The TEMPORARY icon will display indicating you have modified the Target Temperature for the current Time Slot only It goes back to the program target at the next period Also when in TEMPORARY if the target is set the same as the programmed target for that period the word TEMPORARY will go out HOLD This will hold the target temperature you set indefinitely until you turn HOLD off HOLD will allow you to operate your thermostat as a manual thermostat It will keep whatever temperature you set until you change it or cancel hold Take care using the HOLD function as the program is now bypassed To set a hold target temperature touch HOLD and use the icons to select your hold temperature The HOLD icon will display on the HOME screen indicating you have changed the Target Temperature The system will HOLD this temperature until you return to the manual screen and de select HOLD by touching it Hold is also canceled when you set the mode to OFF HOLIDAY This is a single program that repeats day after day until you turn it off It supersedes the pe 13 pc 14 weekly program To use it touch HOLIDAY on the temporary screen The default holiday program is shown here Default program HEAT 70 F all day and 62 F at ni
12. y efficiency We strongly recommend that you Auto Run this program for one week and see if it works for you If it does not fit your needs you can always input a custom program To run the EPA program set the mode switch to HEAT or COOL Press the MENU button and use the arrows by the time display to set the time Touch the DAY area and advance it to select the present day Touch HOME The unit is now running the program MORN DAY EVEN NITE MORN DAY EVEN NTE HEAT 6 00am 8 00am 6 00pm 10 00pm COOL 6 00am 8 00am 6 00pm 10 00pm Al Days 70 F 62F 70 F 62F_ Al Days 78 F BOF 18 F 82F TO CHANGE THE PROGRAM Make sure the CT50 mode is set to either HEAT or COOL then press the PROGRAM button This puts you at the PROGRAM screen see page 4 The programmed start time is displayed in the upper left The TIME SLOT icon indicates the active TIME SLOT in the default program MORN DAY EVEN NITE The programmed Target Temperature is shown on main display The HEAT program and the COOL program are separate PROGRAM cont Select the day you want to program The day of the week starts at SU Sunday and can be advanced to the day you want to program Touch the day of the week area to cycle through the days of the week to the desired day Select the time slot period you want to program MORN DAY EVEN NITE Touch the time slot area to cycle through to the desired period Select the desired start time of that time slot Touch t
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