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MANUAL 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]

 

F

HOLD

EMER

HOLIDAY

HEAT

Target

 

Temperature

Room

Temperature

Return HOME

Temp Up / Temp Down 

arrows

Touch these to raise and lower

 

the manual override Target Temp.

HOLIDAY

   

Touch this to invoke a 

single program that repeats day 

after day until you turn it off. 

Manual Override Indicator 

Shows TEMPORARY when 

you have modified the Target Temperature

EMER 

heat for

HEAT PUMP systems.

TEMPORARY

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.

Summary of Contents for CT50

Page 1: ...t different ways finger fingernail etc Do not use a sharp or metallic device it will scratch the screen ENGLISH Statement of use 100 Compatible with all popular residential HVAC systems 24VAC single t...

Page 2: ...s or the time arrows The simple HOME screen is displayed when the unit is operating Touching the HOME icon on another screen will always return you to this screen To set a Mode Press the mode button o...

Page 3: ...goes forward Calibration control Use this to calibrate your LCD display match to another thermometer Set o C o F Touch this to set temp display units Lock Program Touch for 5 sec to lock or unlock Fi...

Page 4: ...ram Set Time Slot Touch this area to set the Time Slot you want to program Copy Touch this area to copy current day s program to the next day Return HOME When programming is complete touch this to run...

Page 5: ...erature Return HOME Temp Up Temp Down arrows Touch these to raise and lower the manual override Target Temp HOLIDAY Touch this to invoke a single program that repeats day after day until you turn it o...

Page 6: ...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...

Page 7: ...select the current day Set time of day Touch the Time of Day arrows to move the time selection forward or backward until it displays the current time Touch and hold for faster setting Set oF oC displ...

Page 8: ...it to select the present day Touch HOME The unit is now running the program t All Days 70o F 62o F 70o 62o F MORN 6 00am HEAT DAY 8 00am EVEN 6 00pm NITE 10 00pm All Days 78o F 85o F 78o F 82o F MORN...

Page 9: ...desired period Select the desired start time of that time slot Touch the time arrows to select the desired period s starting time Hold arrow down for fast time scrolling Select the desired target temp...

Page 10: ...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 wh...

Page 11: ...ult 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 to return to the MENU screen LOCK The CT50 has 2 lock modes...

Page 12: ...TOR 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 w...

Page 13: ...mmed 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 m...

Page 14: ...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 th...

Page 15: ...cturers 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...

Page 16: ...GRAM 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 programs that have been stored in permanent memory...

Page 17: ...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 environmen...

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