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Radio Thermostat CT102, User Manual

The Key Automation CT102 user manual is a comprehensive guide to help you with the installation and use of the product. It includes detailed instructions and warnings, ensuring a safe and hassle-free experience. Download this manual for free from manualshive.com, your go-to destination for user manuals.

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Wiring Diagrams

Installation Guide CT102

22

Accessory Wiring

Zoned Hot Water Heat

For Solenoid or Motor valves, 

connect the wires based on the 

diagrams to the correct terminal on 

the CT102. 

• USE ONLY IN HEAT MODE. 

•  The CT102 must be powered by 

24v ac.

The third wire on your valve may be called 6, Y, or G (see the Wire 

Reference Table on 

page

 X.

CT102

RH

A

W

MOTOR VALVE

R

W A

CT102

H

W

AR

SOLENOID VALVE

R

W A

Summary of Contents for CT102

Page 1: ...RTCOA logo sheet 7aug07 CT102 USER GUIDE COMMUNICATING TOUCH SCREEN THERMOSTAT F LINK RADIO TARGETTEMP 1 AUTO HEAT DAY PM Su Mo Tu We Th Fr Sa ...

Page 2: ...ng Started Interior View Installation Location Wiring Prepare Wires Connecting Wires Mounting Setup Select HVAC Heat Types Power Supply HVAC Setup Test Installation Wiring Diagrams Detailed Wire Diagram Step By Step Wiring Diagrams Wire Reference Table ...

Page 3: ...3 Radio Thermostat Getting Started ...

Page 4: ...onnect electricity until work is complete Do not short jumper across electric terminals at the control on the furnace or air conditioner to test the system This can damage the thermostat Your thermostat is a precise instrument Handle it with care All wiring must conform to local codes and ordinances This thermostat is designed for use with 4AA alkaline batteries and or 24 volt AC C wire or a 12 24...

Page 5: ...Getting Started Installation Guide CT102 5 C B O W W2 Y Y2 RH RC G A AUX 1 2 WIRE TERMINALS TOUCH SCREEN STATUS INDICATOR BATTERIES BATTERIES HVAC SELECTION SWITCHES RESET COVER Interior View ...

Page 6: ...adio television radiator register fireplace near hot water pipes in the wall or near a stove on the other side of a wall Do not locate in unusual cooling conditions such as on a wall separating an unheated room or in a draft from a stairwell door or window Do not locate in a damp area This can lead to corrosion that will shorten the thermostat s life Do not locate where air circulation is poor suc...

Page 7: ...h wire for identification Refer to the lettered terminal where the wires attach do not use the color of the wires 4 Disconnect wires from the existing thermostat and wind them around a pencil to keep them from falling back inside the wall 5 Loosen all mounting screws on the old thermostat and remove it from the wall C G W G W C G W 4 Read instructions carefully before removing any wiring from an e...

Page 8: ...he wall opening Y Y2 RH RC G A JUMPER WIRE C W Y RH G 2 6 FROM HVAC SYSTEM Follow these guidelines for safe and secure wire connections Use at least 2 6 in of wire for each of your connections to the CT102 If you do not have enough wire splice additional wire to allow enough slack Terminals accept wires from 16 22 awg Remove 1 8 in insulation from the tip of each wire Take care not to damage the l...

Page 9: ...at 300ma or greater If used connect to the C and RH terminals no polarity The 24VAC C wire is the other side of the 24VAC heating transformer and can be found where the other thermostat wires connect at the wall or at the furnace Do not use the common or ground side of the line voltage The CT102 runs on 4 AA alkaline batteries the C wire if available or both batteries and the C wire If you do not ...

Page 10: ...p above terminal block 2 Position CT102 for best appearance cover the hole in the wall 3 Mark first and drill a 3 16 in 4 8mm hole at each screw location 4 If you are mounting the CT102 to sheet rock or if you are using the old mounting holes use the plastic anchors provided 5 Attach the CT102 to the wall with the screws provided ...

Page 11: ...11 Radio Thermostat Setup ...

Page 12: ...orm All other systems Heat Pump Heat Pump system with or without Auxiliary Heat 2 Set the HEAT TYPE to the type of fuel used for heating If HVAC Type is Heat Pump then select fuel used for Auxiliary Gas natural gas oil and propane Elec electric HEAT PUMP GAS ELEC NORMAL HVAC TYPE HEAT TYPE INSERT 4 pcs AAALKALINE 1 5V BATTERIES HEAT TYPE SWITCH HVAC TYPE SWITCH BATTERIES ...

Page 13: ...following the marked polarity in the battery compartments Insert the battery negative end first against the spring then push the positive end in 2 With all the wires connected and the unit attached to the wall it is time to turn the AC power back on Reconnect the power at the breaker you used to switch it off The CT102 will power up in the OFF mode 3 Trip the RESET button to implement the HVAC swi...

Page 14: ... does not flash Replacing the batteries also helps to prevent leakage that can corrode and damage the thermostat If you are leaving your home for a month or more you should replace the batteries as a precaution against battery failure in your absence Failing to replace the batteries when necessary could cause the thermo stat to lose power or malfunction If the thermostat loses power then the therm...

Page 15: ...y Select 1 1 H1C1 1 2 1 H2C1 2 1 2 H1C2 3 2 2 H2C2 4 Heat Pump HVAC system HP Stage Aux Stage Screen Display Select 1 0 P1 A 2 0 P2 B 1 1 P1A1 C 1 2 P1A2 D 2 1 P2A1 E 2 2 P2A2 F Do not change the HVAC setup or HVAC selection switches if the thermostat is connected to a Z Wave network If you must change the HVAC system first remove the thermostat from the network change the HVAC setup and then reco...

Page 16: ...at 3 From the Manual screen touch the Temperature Up arrow until the target temperature is 5º above room temperature Allow the system two 2 minutes to respond 4 Verify that heat is blowing from the system Return the target temperature to a normal setting 5 From the Manual screen set the mode to Off To Check Cool 1 Touch the temperature display to open the Manual screen 2 Use the or arrows to set t...

Page 17: ...17 Radio Thermostat Wiring Diagrams ...

Page 18: ...H RC G WIRES WIRES WIRES Multi stage Heat Pump w Multi stage Aux Heat C Wn Yn R G WIRES Multi stage Cool Multi stage Heat 2 Wire Heat 3 Wire Heat 4 Wire Heat Cool 5 Wire Heat Cool C B or O Y R G C B or O AUXn Yn R G WIRES WIRES WIRES See Page 13 Go to Page 13 Go to Page 13 Go to Page 13 Go to Page 13 Go to Page 13 Go to Page 13 or or 4 Wire Heat Pump w o Aux Heat Detailed Wiring Diagrams ...

Page 19: ...minal This connects the fan 4 Connect the C wire to the C terminal Your HVAC system is now connected to the CT102 5 Go to Connect Your Wires on page X 5 Wire Heat Cool 1 Connect the W wire to the W terminal This connects the heat 2 Connect the Y wire to the Y terminal This connects the cooling compressor 3 Connect the RH or R wire to the RH terminal This connects the power 4 Connect the G wire to ...

Page 20: ...ect Your Wires on page X Multi stage Heat Multi Stage Cool The CT102 can handle up to 2 stages of HEAT and 2 stages of COOL 1 Connect the W and W2 wires to the W and W2 terminals This connects the stages of HEAT 2 Connect the Y and Y2 wires to the Y and Y2 terminals This connects the stages of COOL 3 Connect the RH or R wire to the RH terminal This connects the power 4 Connect the G wire to the G ...

Page 21: ...an handle up to 2 stages of Pump compression and 2 stages of AUX heat 1 Connect O wire to the O terminal or the B wire to the B terminal This connects the change over valve If you have both O and B connect only the O wire to the O terminal and DO NOT connect B to B terminal see Wire Reference Table on page X for Trane terminal labels 2 Connect the AUX 1 and AUX 2 wires to the AUX 1 and AUX 2 termi...

Page 22: ...tor valves connect the wires based on the diagrams to the correct terminal on the CT102 USE ONLY IN HEAT MODE The CT102 must be powered by 24v ac The third wire on your valve may be called 6 Y or G see the Wire Reference Table on page X CT102 RH A W MOTOR VALVE R W A CT102 H W AR SOLENOID VALVE R W A ...

Page 23: ...p Y2 Y2 2nd stage COOL control or 2nd stage compression for a heat pump G or F G FAN control C or X C 24VAC power to power thermostat NOTE TRANE uses B for this connection H H External Humidifier DH DH External De Humidifier EX EX external fresh air baffle B B Heat pump changeover cool to heat powered in heat O O Heat pump changeover heat to cool powered in cool B and O IMPORTANT If there are both...

Page 24: ... R or O O X or X2 or C C Trane Products American Standard B C 24VAC power to power thermostat W or W1 W2 2nd stage HEAT X2 Emergency heat Do not connect tape off Zoned Hot Water 2 wire R RH W W Motor Driven Valves 3 Wire R or 5 RH power W or 4 W heat ON Y or G or 6 the 3rd wire A heat OFF Solenoid Valves 3 Wire R RH power W A heat ON Y or G the 3rd wire W heat OFF ...

Page 25: ...Product Overview 3 Device Parts Screens Z Wave Connecting to a Z Wave Network HVAC Setup Power Sources Initial Settings Customization Manual Screen Functions Menu Screen Functions Programs Screen Heat Cool and Auto Settings Restoration Settings ...

Page 26: ...Radio Thermostat 3 Product Overview ...

Page 27: ... CT102 Z Wave thermostat operates via a high quality easy to use touch screen Simply touch your finger firmly to the screen to set or adjust your CT102 the screen will automatically light up and you will hear a beep To avoid scratching the screen do not use a sharp or metallic device STATUS INDICATORS TOUCH SCREEN ...

Page 28: ...IO 1 TE CALIBRA ON PROGRAM MANUAL HOME Before you operate the CT102 familiarize yourself with the basic control screens The touch screen enables you to select by touching an item and change it All the CT102 functions are accessed through these screens Screens ...

Page 29: ...RATURE TEMPERATURE CONTROLS HOME RADIO INDICATOR The Home screen displays when the unit is operating Features you can control on the Home screen are temperature override fan mode toggling the time and relative humidity display and opening the Manual screen Touching the icon on other screens will return you to the previous screen Screens Home icon visable of Home screen only in Off mode ...

Page 30: ...he CT102 has successfully joined a Z Wave network the MATE icon is replaced by the LINK icon under the radio tower Similarly when you are trying to disconnect from leave a network the LINK icon disappears when the node has successfully left the network 4 Your controller indicates that the thermostat was successfully added to its network see your specific controller s User Manual for details HVAC S...

Page 31: ... is fixed when it connects to the Z Wave network if the C Wire is present and powered when connecting to the network the thermostat will remain an always listening node until it is removed from the network Z Wave and HVAC Setup Do not change the HVAC setup or HVAC selection switches if the thermostat is connected to a Z Wave network If you need to change the HVAC system 1 Remove the thermostat fro...

Page 32: ...Cool Run Pre Set Program 1 Set Time Day see page 2 Access the Manual screen by touching the Temperature on the Home screen 3 Set the mode to Heat or Cool 4 Touch 5 The unit is now running the program HEAT COOL MORN DAY EVEN NIGHT MORN DAY EVEN NIGHT 6 am 8 am 6 pm 10 pm 6 am 8 am 6 pm 10 pm 70ºF 62ºF 70ºF 62ºF 78ºF 85ºF 78ºF 82ºF EPA Recommended Energy Efficiency Program Settings TEMPORARY HOLD EM...

Page 33: ... compressor from excessive wear from responding to thermostat changes The Home screen shows an hour glass and the message Please Wait during this time and the compressor will not come on until the four minute delay is over TARGETTEMP ON DAY PM F LINK RADIO 1 Tu AUTO HEAT PLEASE WAIT HOME SCREEN Initial Settings ...

Page 34: ...Radio Thermostat 11 Customization ...

Page 35: ...program MODE Change Mode Heat Cool Auto Off TEMPORARY Target temperature has been temporarily overridden Touch the temperature on the Home screen to open the Manual screen MANUAL Screen The Manual screen enables you to make temporary changes to how your CT102 operates Features you can control on the Manual screen Thermostat Mode Fan Mode Target Temperature Override and more See page 20 for a full l...

Page 36: ...Auto or Off Touch the Mode area once to step to the next mode To return to the mode you were previously in touch the Mode area until the mode you were in appears See page 18 for details to adjust Heat and Cool modes Temperature Touch the Temperature Adjust arrows to select your desired target temperature Touch when done Holiday Holiday Enabled Holiday Disabled This function enables the one day Hol...

Page 37: ...nable EMER From the Manual screen touch EMER The display shows Emer On and the heat pump is disabled To Disable EMER From the Manual screen touch the Mode area and cycle through until Heat is displayed again Fan Control AUTO Auto Fan Mode Fan On Auto Mode The fan operates automatically with the HVAC system and the thermostat Switch to Auto by touching the again Fan On The fan will run continuously...

Page 38: ... Manual screen Touch Menu to display the Menu screen MENU Screen The Menu provides access to many features and settings of the CT102 Features you can control on the Menu screen are ºF ºC setting thermostat calibration filter replacement reminder and more See page 25 for more Menu screen options To access the MENU screen 1 2 TEMPORARY HOLD EMER F TEMP HOLIDAY MENU AUTO COOL TRUEAUTO MANUAL TARGETTE...

Page 39: ...2 0 F and the CT102 is set to 70 F target temperature the heat cycle will start when the room temperature drops to 68 F Similarly the cooling system will start when the room temperature increases to 72 F The HVAC runs until the room reaches the target temperature and then shuts off To set Swing 1 From the Menu screen touch Swing 2 Touch Time Adjustment arrows to set the SWING from 0 5 to 2 0 F The...

Page 40: ...n indicates that the CT102 is not connected to a Z Wave network For instructions on connecting see page 6 Calibrate Your thermostat was accurately calibrated at the factory to 1 F of actual ambient temperature However you can 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 3 C to 3 C To...

Page 41: ... CT102 has 3 lock modes Unlock Partial Lock Full Lock Partial Lock From the Menu screen touch Unlock for 5 seconds The Lock icon changes to show Partial Lock In this mode you can only temporarily override the CT102 target temperature with the Temperature Adjust arrows Full Lock From the Menu screen touch the Partial Lock for 5 seconds to show the Full Lock icon Once locked you cannot make any chan...

Page 42: ...ound When enabled the chirp sounds when you change to a new screen or change a setting SWING FILTER PM F MATE RADIO 1 TE CALIBRA ON PROGRAM TIME ºF ºC SOUND Sound On Sound Off Access the MENU screen TEMPORARY HOLD EMER F TEMP HOLIDAY MENU AUTO COOL TRUEAUTO MANUAL TARGETTEMP ON DAY PM F LINK RADIO 1 Tu AUTO HEAT HOME TEMPORARY HOLD EMER F TEMP HOLIDAY MENU AUTO COOL TRUEAUTO MENU Screen Menu Scree...

Page 43: ...our settings when not using a Z Wave system Features you can control on the Program screen are set program start time set time slot target temperature and more See page 18 for more details Program Screen When the thermostat is not connected to a Z Wave network you can change the programs that the thermostat runs If the thermostat is connected to a Z Wave network manual programming is disabled and ...

Page 44: ... Mode is set to either Heat Cool or Auto depending on which program you want to adjust page 20 for details Programs Functions Touch the temperature on the Home screen to open the Manual screen Touch Menu to open the Menu screen Touch Program to open the Program screen 2 1 3 HVAC SETUP DIFF SWING FILTER PM F MATE RADIO 1 CALIBRATE RECOVERY ECON SWING FILTER PM F MATE RADIO 1 TE CALIBRA ON PROGRAM M...

Page 45: ...ows 4 to select the desired period s temperature Repeat Step 2 4 to set remaining Time Slots 5 Touch Copy Day 5 once The settings for the current day will be copied to the next day which will appear on the screen Make any necessary adjustments NOTE Hold down Copy Day for 3 seconds to copy to all 7 days 6 Touch the Day field until Holiday 6 is displayed Follow steps 2 4 to define how the program sh...

Page 46: ...e page 20 for details 2 Press and hold the lower left corner of touch screen for five 5 seconds The thermostat then resets itself displays its current firmware version and restarts in Off Mode Restore Z Wave Module to Factory Default 1 From the Menu screen touch Mate icon The Radio screen appears 2 Touch hold Mate icon ten 10 seconds until you hear a beep The thermostat will restore the Z Wave mod...

Page 47: ...USTOMER SERVICE RESET Restoration Settings Reset The RESET trigger re boots the CT102 processor It does not affect the target temperatures that have been stored in permanent memory 1 Remove the CT102 cover 2 Using a narrow pointed implement trip the Reset trigger ...

Page 48: ...RTCOA logo sheet 7aug07 CT102 THERMOSTAT Z WAVE REFERENCE ...

Page 49: ...cast a Hail message followed by a Node Information frame This behavior is to maintain backwards compatibility with older controllers that work with this line of devices Advanced Z Wave Information The CT102 supports compliant mapping of the Z Wave BASIC_ COMMAND_CLASS to the CT thermostat Energy Saving and Comfort Mode as follows Basic Set Value 0x00 Set Energy Saving Mode Basic Set Value 0x01 0x6...

Page 50: ... network and to render it useless if it is removed from the local network without being unlocked Another application would be to protect service provider owned products from leaving the service providers network before they are paid for Disabled Commands With Engaged Anti Theft protection Basic Command Clock Command Indicator Command Manufacturer Specific Command Multilevel Sensor Command Thermost...

Page 51: ...et 2 1 or 2 10 Temp Reporting Filter Set Get see below 11 Simple UI Mode Enable Disable Set Get 1 0 or 1 12 Multicast Enable Disable Set Get 0 0 or 1 1 Temperature Reporting Threshold 8 bit This value determines the reporting threshold when association reporting is enabled Unsupported values are ignored Value 0 1 2 3 4 Treshhold Disabled Disabled 0 5 F 1 0 F 1 5 F 2 HVAC Settings 32 bit Byte 1 HVA...

Page 52: ...tat Swing Temp The thermostat swing temperature is in units of 0 5 degrees Fahrenheit A value of 0x01 is 0 5F and 0x02 is 1 0F The supported values may vary from thermostat to thermostat but typically the allowed values are 0 5F 0x01 to 4 0F 0x08 8 Thermostat Diff Temp The thermostat differential temperature is in units of 0 5 degrees Fahrenheit A value of 0x04 is 2 0F and 0x06 is 3 0F The differe...

Page 53: ...the lower bound is 124 This disables the filter Size 3 bit The Size field must be set to 4 100b Precision 3 bits The precision field describes the precision of the temperature filter value The filter must be zero 0x00 Scale 2 bits The scale field indicates the temperature scale used 0 indicates Celsius and 1 indicates Fahrenheit Bound Size 3 bits The size field indicates the number of bytes used f...

Page 54: ...r is set to 10 0x0A for the temperature reporting filter Temperature Filter Lower Bound 8 bit The thermostat will report ambient temperature changes for temperature values less than the lower bound This field must be between 0F and 124F By default this value is 124F report all temperature changes Temperature Filter Upper Bound 8 bit The thermostat will report ambient temperature changes for temper...

Page 55: ...r television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures a reorient or relocate the receiving antenna b increase the separation between the equipment and receiver c connect the equipment into an outlet on a circuit different from that to which the receiver is connected Cons...

Page 56: ...two stage conventional heating systems gas oil electric heat pumps with up to two stages of heat and up to two stages of auxiliary heat electric or fossil zoned forced air and zoned hot water 2 or 3 wire millivolt systems with a 12 24V AC or DC source one or two stage cooling and hybrid systems Do not use this thermostat with with line voltage heating systems ...

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