Carrier 33CS450-01 manual

7-D A Y 7-D A Y PROGR AMMABLE PROGR AMMABLE D IGIT AL D IGIT AL T HERMOST A T T HERMOST A T HEA T COOL & HEA T PUMP Accepts EZ Programmer Remote Averaging Programmable Output Light Activation Equipped Accepts Optional Humidity Module: Controls Humidification, Dehumidification and Reheat Accepts Optional IR Remote Control 3 Configurable Outputs [...]

P age i NOTE: Due to variations in environmental conditions, it is not always possible to achieve the desired humidification or dehumidification setpoint. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any i[...]

P age ii Page 14.1 Section 14 Contents: Adjusting the Heat/Cool Differential..............................14.2 Adjusting the Cycles Per Hour ..................................14.3 Adjusting the Deadband..........14.4 Adjusting the Minutes of Run-Time Before the Next Stage...............................14.6 Selecting 2nd Stage T urn Off T emperature[...]

Glossary of T erms Glossary of T erms P age iii Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. Configurable Output Jumper: Using jumpers on the thermostat you can configure the MISC1, MISC2, and MISC3 terminals to control humidification, dehumidification, 2nd stage cooling, 3rd [...]

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2 1 3 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 4 5 Quick Start Getting to Know Y our Thermostat Setting Clock and Day Basic Operation V iewing Temperature and Humidity Programming the Daily Schedule Programming the Fan Operation Thermostat Display Options Humidification Dehumidification V iewing Equipment Run-Times Electric Heat and Hea[...]

P age 1.1 Section 1 Contents: Setting the Clock and Day ...........1.2 Selecting the Heat or Cool Mode............................................1.3 Selecting Y our Desired T emperature................................1.4 Using the Fan Button...................1.4 Note: Following the instructions in this section will allow you to operate your therm[...]

Buttons. T o adjust the Clock or Day use Press the MODE and HUMIDITY buttons at the same time Press the MODE and HUMIDITY buttons at the same time to return to normal operation. Mo Setup 2 Am I2:00 Setup I Se tting the Cloc k Se tting the Cloc k During Setup & Programming: Pressing the UP or DOWN buttons will modify the flashing selection. Se t[...]

Carrier Selecting the Heat or Cool Mode Selecting the Heat or Cool Mode Press MODE Press MODE Press MODE Press MODE H EAT I2:00 Su 7 0 Pm 68 C OOL I2:00 Su 7 0 Pm 76 H E A T C OOL AUTO I2:00 Su 7 0 Pm 68 76 H EA T C OOL I2:00 Su Program On 7 0 Pm 68 76 OFF I2:00 Su 7 0 Pm occupied Program On will activate the stored timer operation for the heating [...]

AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program mode will adjust both the heat and cool set temperatures simultaneously . buttons. Adjust the desired set temperature with the H EAT C OOL AUTO I2:00 Su 7 0 Pm 68 76 HEA T OR COOL MODE Pressing the UP or DOWN buttons in Heat or Cool mode will adjust only the heat or cool set te[...]

Section 2 Contents: Front Panel Buttons.....................2.2 Display Features...........................2.3 P age 2.1 SECTION 2 Ge tting to Kno w Y our Ther mos tat Ge tting to Kno w Y our Ther mos tat 2 Carrier[...]

HUMIDITY FAN MODE PROGRAM HOLIDA Y OVER RIDE SET CLOCK OUTSIDE HUMIDITY AUTO I2:00 Su Pm H EAT C OOL 72 74 FA N MODE SET CLOCK PROGRAM HOLID A Y OUTSIDE Premier Commercial Programmable Thermostat Backlit LCD Display Override Button Heat or Cool Demand Indicator Red = Heat, Green = Cool Fr ont P anel Fr ont P anel P age 2.2 2 Warm er Button (glows r[...]

AUTO OFFON Override Unoccupied Am I8:88 SuMoT uWeThFrSa Pm A UX H EAT C OOL FanOn Service Filter Pan UV Light Program On St artStop DeHumidify I88 Setup Outside Remote 88 L O H I 88 123 2 Display Fe atur es Display Fe atur es Mode Indicators - Section 4 Selects the operational mode of the equipment. HEA T - Indicates the heating mode. COOL - Indica[...]

AUTO OFFON Override Unoccupied Am I8:88 SuMoT uWeThFrSa Pm A UX H EAT C OOL FanOn Service Filter Pan UV Light Program On St artStop DeHumidify I88 Setup Outside Remote 88 L O H I 88 123 2 P age 2.4 Display Fe atur es Display Fe atur es Occupied & Unoccupied icons - Section 6 Indicates the program number: Occupied 1,2,3,or Unoccupied. Override i[...]

Remote icon - Page 22.4 Indicates the remote sensor reading of the thermostat is being viewed. AuxHeat icon - Pages Indicates 2nd stage electric strip heat is being used when the therm- ostat is programmed for Heat Pump operation. Only the Aux icon will appear during Cool to Dehumidify to indicate Reheat operation. Humidify/DeHumidify icon - Indica[...]

P age 3.1 Section 3 Contents: Setting the Clock..........................3.2 Setting the Day .............................3.2 Note: During setup & programming pressing the UP or DOWN buttons will modify the flashing selection. SECTION 3 Se tting the Cloc k and Day Se tting the Cloc k and Day 3 Carrier[...]

Carrier Buttons. T o adjust the Clock or Day use P age 3.2 Mo Setup 2 Am I2:00 Setup I Se tting the Cloc k Settin g the Cloc k Se tting the Day Sett ing the Day Press MODE HUMIDITY MODE SET CLOCK HUMIDITY MODE SET CLOCK Press the MODE and HUMIDITY buttons at the same time Press the MODE and HUMIDITY buttons at the same time to return to normal oper[...]

Section 4 Contents: Programming for A uto or Program Operation....................4.2 Selecting the Proper Operating Mode.........................4.3 Selecting Y our Desired T emperature...............................4.7 P age 4.1 Note: During setup & programming pressing the UP or DOWN buttons will modify the flashing selection. SECTION 4 Basi[...]

P age 4.2 Select Y es if you would like the thermostat to be program- mable or No for non-program- mable. YES NO i Program On Setup PROGRAM Press Pr ogr ammable or Non-Pr og r ammable Thermos tat Pr ogr ammable or Non-Pr og r ammable Thermos tat PROGRAM MODE Note: Press the MODE button momentarily to move through the setup screens. Press and hold t[...]

P age 4.3 YES NO 2 AUTO Setup PROGRAM Press PROGRAM MODE MODE Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. Manual or Auto- Chang eov er Thermos tat Manual or Auto- Chang eov er Thermos tat Press the MODE button. While holding the MODE, press the PROGRAM bu[...]

Press MODE Press MODE H EAT I2:00 Su 7 0 Pm 68 C OOL I2:00 Su 7 0 Pm 76 OFF I2:00 Su 7 0 Pm NON-PROGRAMMABLE WITH MANUAL-CHANGEOVER - If the thermostat is configured to be a non-pr ogrammable thermostat with Manual-Changeover , the following screens will be available by pressing the MODE button. P age 4.4 The HEA T setting indicates the temperature[...]

Press MODE Press MODE Press MODE H EAT I2:00 Su 7 0 Pm 68 C OOL I2:00 Su 7 0 Pm 76 H E A T C OOL AUTO I2:00 Su 7 0 Pm 68 76 OFF I2:00 Su 7 0 Pm NON-PROGRAMMABLE WITH AUTO-CHANGEOVER - If the thermostat is configured to be a non-programmable t hermostat with Auto-Changeover, the follow ing screens will be available by pressing the MODE button P age [...]

Press MODE Press MODE Press MODE Press MODE H EAT I2:00 Su 7 0 Pm 68 C OOL I2:00 Su 7 0 Pm 76 OFF I2:00 Su 7 0 Pm PROGRAMMABLE WITH MANUAL-CHANGEOVER - If the thermostat is configured to be a programmable thermostat with Manual-Changeover, the following screens will be available by pressing the M ODE button. P age 4.6 The HEA T setting indicates th[...]

Carrier Program On will activate the time period program for the heating and cooling setpoints. (occupied or unoccupied periods) Time Schedule for Heating or Cooling H EAT C OOL I2:00 Su Program On 7 0 Pm 68 76 o c c u p i e d 1 PROGRAMMABLE WITH AUTO-CHANGEOVER - If the thermostat is configured to be a programmable thermostat with Auto-Changeover,[...]

P age 4.8 AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program modes will adjust both the heat and cool set temperatures simultaneously . For more information on this see p age 13.2. buttons. Adjust the desired set temperature with the H EAT C OOL AUTO I2:00 Su 7 0 Pm 68 76 HEA T OR COOL MODE Pressing the UP or DOWN buttons in He[...]

Section 5 Contents: V iewing the Outside T emperature..............................5.2 V iewing the Indoor Humidity ....................................5.3 P age 5.1 SECTION 5 V iewing the T em pe r atur e and Humidity Sensor s V iewing the T em pe r atur e and Humidity Sensor s 5 Carrier[...]

Carrier The highest and lowest temperatures for the day will be displayed along with the current outside temperature. This reading is from the sensor connected to RS2. 8 3 Outside 68 L O H I 92 Requires an outside sensor (optional accessory) to be inst alled ( see page 15.2 for wiring instructions) . T o read the temperature from the outside sensor[...]

Carrier T o view the indoor humidity reading, press the HUMIDITY button HUMIDITY Press HUMIDITY 40 Humidify Setup I Current Room Humidity Requires the Humidity Module (optional accessory) to be installed. T o display the curre nt humidity at the thermostat, press the HUMIDITY button. The display will then show the current indoor humidity along with[...]

Section 6 Contents: Programming a Daily Schedule...................................6.2 Overriding the Daily Schedule...................................6.6 P age 6.1 SECTION 6 Pr og r amming t he Daily Sc hedule Pr og r amming t he Daily Sc hedule 6 Carrier[...]

Carrier Press the PROGRAM button to enter time period programming. Continued Use the Programming Worksheet on the back cover to help with this section. Press PROGRAM P a ge 6.2 Pr ogr amming a Daily Sc hedule Pr ogr amming a Daily Sc hedule Press MODE Press MODE Press MODE Press MODE occupied C OOL 74 o c c u p i e d H EA T C OOL 72 74 Unoccupied C[...]

Carrier Continued Press MODE Press MODE Press MODE Press MODE Press MODE P age 6.3 Unoccupied H E AT 55 o cc up i e d M o o c c u p i e d Am 7 :00 Mo Start o c c u p i e d 6 : 0 0 M o Pm Stop ON occupied Mo Adjust the heating set- point for Unoccupied periods. Select the day for Occupied 1. (Mo - Su) Adjust the start time for Occupied 1. Adjust the[...]

Select Y es to copy the previous day’s program to this day . Ye s No If Y es is selected: If No is selected: The copy command becomes available after the maximum # of occupied periods are programmed in a day . This example uses only one occupied period. Press MODE T u P age 6.4 occupied T u Continued Press MODE Press MODE Press MODE Press MODE oc[...]

Carrier P age 6.5 If Y es is selected: If No is selected: Press MODE Select Y es to copy the previous day’s program to this day . Ye s No We Press MODE If No is selected, as in previous steps, flashing prompts will appear to input st art and stop times for Occupied 1. If more than one occupied period was selected in the first programming step ( p[...]

Carrier P age 6.6 Ov err iding the Daily Sc hedule Ov err iding the Daily Sc hedule Unoccupied 7 : 56 We Pm H EAT C OOL Program On 6 5 55 85 Override o cc u p i e d 30 Pm H EAT C OOL Program On 6 5 72 74 The OVERRIDE button may be used to interrupt the normal time schedule programming of the thermostat. Override may only be used when the thermostat[...]

Section 7 Contents: Using the Fan Button.................7.2 Smart Fan Operation..................7.2 Setting the Fan-Of f Time Delay ..........................................7.3 Fan Purge Operation..................7.4 P age 7.1 SECTION 7 Pr og r amming t he F an Oper ation Pr og r amming t he F an Oper ation 7 Carrier[...]

Carrier When the fan is set for automatic operation it will energize any time there is a call for heating or cooling, otherwise the fan will remain off. Pressing the F AN button will energize the fan and display the FanOn icon on the thermostat display . T o operate the fan in the automatic mode, press the F AN button again and the FanOn icon will [...]

Set the Fan Off Delay to 0, 30, 60, or 90 seconds. FanOn Setup 3 Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press P age 7.3 Se tting the F an-Of f T ime Delay Se tting the F an-Of f T ime Delay T o increase cooling efficiency of your unit, the th[...]

Carrier When this feature is activated, the fan will turn on during an unoccupied period at a preset amount of time prior to Occupied 1. This preoccupancy fan purge timer may be set from zero to three hours, in 15 minute increments. Zero means this feature is turned of f. Press the PROGRAM button to leave the Setup screens. If no buttons are presse[...]

Section 8 Contents: Turnin g On/Off the Backlight...................................8.2 Programming the Thermostat to Display T emperature in Fahrenheit or Celsius..............8.2 Locking/Unlocking the Keypad......................................8.3 Programming a Security Level..........................................8.4 P age 8.1 SECTION 8 Ther [...]

Carrier Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. Press MODE PROGRAM Press P age 8.2 T urning On/Of f the Bac klight T urning On/Of f the Bac klight PROGRAM MODE MODE Press the MODE button. While holding the MODE, press the PROGRAM button to enter Setup[...]

P age 8.3 T o prevent unauthorized use of the thermostat, the front panel buttons may be disabled. T o disable, or ‘lock’ the keypad, press and hold the MODE button. While holding the MODE button, press the UP and DOWN buttons together . The icon will appear on the display , then release the buttons. Press all three buttons in the order outline[...]

Carrier Select the security level: 0=No security in effect 1=Setpoint range limited 2=1+ program on all times 3=2 + prohibits setpoint changes Adjust the minimum allowable cool setpoint when security is in effect. (35 - 99 ) Press MODE Press MODE Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave [...]

P age 9.1 Additionally , the manufacturer of this thermostat is not responsible for the fitness of the humidifier and/or installation of said humidifier connected to this thermostat. Furthermore, the maintenance of the humidifier components, including but not limited to, the filters and pads are not the responsibility of the thermostat manufacturer[...]

P a ge 9.2 9 Figure 2 Ins talling the Humidity Module Ins talling the Humidity Module For proper humidity operation, this jumper must be set for HUM. HUM NO HUM OR T o install the Humidity Module the thermostat must be detached from the back plate. Plug the Humidity Module into the Humidity Module connector as shown in Figure 2 below . Follow the d[...]

ECON P age 9.3 Se tting a Thermos tat Jum per f or Humidity Oper ation Se tting a Thermos tat Jum per f or Humidity Oper ation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK! THIS MA Y DAMAGE THE THERMOST AT T o operate one of the MISC outputs using humidity-based operation, place the MISC1, MISC2, or MISC3 jumper on the terminal labe[...]

Carrier Press the HUMIDITY button to leave the Humidity Control screens (if no buttons are pressed, the display will leave the Humidity Control screens after 30 seconds). HUMIDITY Adjust the desired humidification setpoint (0%-60%) NOTE: Each step # is located at the top right corner of the display for easy reference. Press HUMIDITY 40 Humidify 0 S[...]

P a ge 10.1 NOTE: The dehumidification functions described in this section will only be available if a Humidity Module has been properly installed. For instructions on installing the Humidity Module please see page 9.2. Section 10 Contents: Configuring a Thermostat Output Jumper for Dehumidification Operation................................10.2 Adj[...]

Carrier ECON P age 10.2 Se tting a Thermos tat Jum per f or Dehumidifica tion Oper ation Se tting a Thermos tat Jum per f or Dehumidifica tion Oper ation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK! THIS MA Y DAMAGE THE THERMOST AT MISC3 MISC3 OK T o control a MISC output for dehumidification, install the Humidity Module and place [...]

Carrier Press the HUMIDITY button to leave the Humidity Control screens (if no buttons are pressed, the display will leave the Humidity Control screens after 30 seconds). Press the HUMIDITY button to enter the Humidification Setup screens. HUMIDITY Adjust the desired dehumidification setpoint (25%-99%) NOTE: Each step # is located at the top right [...]

Carrier P age 10.4 Using Y our Air Conditioner to Dehumidify Using Y our Air Conditioner to Dehumidify Step 1 1 appears only if step 10 is set to “ON” Select Cool to Dehumidify feature. On Off OFF DeHumidify Setup I0 C OOL DeHumidify 3 Setup I i Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will lea[...]

Carrier P age 10.5 Using the Reheat F unction Using the Reheat F unction This feature allows the thermostat to turn on Electric Heating (W2) during Cool to Dehumidify to maintain room temperature until the dehumidification setpoint is reached. The cooling cycle will allow for the dehumidification of the air to occur while the Electric Heating will [...]

P age 10.6 Using the Dehum T erminal Using the Dehum T erminal Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press Normally Closed (NC) = DEHUM deenergized for low speed fan. Normally Open (NO) = DEHUM energized for low speed fan. NC NO DeHumidify S[...]

P a ge 11.1 Section 11 Contents: V iewing the Heat Run-Time..... ............................1 1.2 V iewing the Cool Run-Time..... ............................1 1.3 V iewing the Override Run-Time..... ............................1 1.4 V iewing the Humidifier Run-Time..... ........................... 1 1.5 V iewing the UV Light Run-Time..... .......[...]

Carrier P age 11.2 Energy Watch: This feature enables you to closely monitor your energy usage by keeping track of the number of hours your heating system has been operating. * 11 V iewing the Heat Run-T ime - Energ y W atc h Viewing t he Heat R un-T ime - Energ y W atc h Press the PROGRAM button to leave the Setup screens. If no buttons are presse[...]

Carrier P age 11.3 Energy Watch: This feature enables you to closely monitor your energy usage by keeping track of the number of hours your cooling system has been operating. * 11 V iewing the Cool Run- Time - Ener gy W atc h V iewing the Cool Run- Time - Ener gy W atc h Press the PROGRAM button to leave the Setup screens. If no buttons are pressed[...]

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press This display will track the number of hours that your thermostat has been operating in the Override mode ( see page 6.6 ). Press the F AN button to reset the counter . Press FAN Counts the number o[...]

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press After your humidification system has been operating for the number of days set in step #17 below , the Service Humidify icon will appear. This counter keeps track of the number of days since the Se[...]

P a ge 11.6 V iewing the UV Light Run- T ime V iewing the UV Light Run- T ime Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press Counts the number of days since the UV Light was last reset. Press F AN to reset the Service UV Light counter and remov[...]

P a ge 12.1 Section 12 Contents: Vi ewing the Heat Pump and Reversing Va lve Jumper Setting.....................................12.2 Vi ewing the Electric Heat Jumper Setting.......................12.3 Using Emergency Heat............12.4 SECTION 12 Electr ic Heat and Heat Pum p Oper ation Electr ic Heat and Heat Pum p Oper ation 12 Carrier[...]

P age 12.2 V iewing the Heat Pum p and Revers ing Va lv e Jum per Settings V iewing the Heat Pum p and Revers ing Va lv e Jum per Settings Indicates that the thermostat jumper is set for an O reversing valve (energize in cooling) or a b reversing valve (energize in heating). O 20 Setup Press the PROGRAM button to leave the Setup screens. If no butt[...]

Carrier P age 12.3 V iewing the Electr ic Heat Jumper Se tting V iewing the Electr ic Heat Jum per Setting Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press ON indicates that the thermostat jumper is set for Electric Heat operation, or OFF for Gas[...]

Carrier ENTER EMERGENCY HEA T : Only available if you have a Heat Pump installed. T o initiate the Emergency Heat feature, press the F AN button. While holding the F AN button press UP button. The Cool setpoint display will read ‘EH’ (emergency heat). the Press for Emergency Heat FAN H E A T 7 3 74 P a ge 12.4 OPERA TION: During Emergency Heat [...]

P a ge 13.1 Section 13 Contents: Adjusting the Heat/Cool Differential.... ..........................13.2 Adjusting the Cycles Per Hour ..................................13.3 Adjusting the Deadband..........13.4 Adjusting the Minutes of Run-Time Before the Next S tage...............................13.6 Selecting 2nd S tage Turn Off Te mperature.....[...]

Carrier P age 13.2 Adjus ting the Heat/Cool Dif f er ential Adjus ting the Heat/Cool Dif f er ential Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press Adjust the minimum difference between cooling & heating setpoints. (0 - 6 ) The Heat and Coo[...]

Carrier P age 13.3 Adjus ting the Cy cles P er Hour Adjus ting the Cy cles P er Hour Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press (d1, d, 2 - 6) The Cycles Per Hour setting limits the number of times per hour your HV AC unit may energize. For[...]

P age 13.4 Adjus ting the Deadband Adjus ting the Deadband MUL TI-ST AGE OPERA TION - Controls up to three Heat and two Cool stages. The 2nd S tage of heat or cool is ( A ) The 1st S tage has been on for the time required ( step #27, page 13.6). It is adjustable from 0-60 minutes and the default is two minutes. ( B ) The temperature spread than: th[...]

P age 13.5 Adjus ting the Deadband Adjus ting the Deadband Adjust the deadband for the 1st stage. (1 - 6 ) 2 Setup 24 Adjust the deadband for the 2nd stage. (0 - 10 ) 2 Setup 25 Adjust the deadband for the 3rd stage. (0 - 10 ) 2 Setup 26 For more detailed information, please see the explanation on the previous page. Press the PROGRAM button to leav[...]

P age 13.6 Adjus ting the Minut es of R un- T ime Bef or e the Ne xt S tag e Adjus ting the Minut es of R un- T ime Bef or e the Ne xt S tag e (0 - 60 min.) Adjust the amount of time stage 2 must be on before stage 3 turns on. 0:02 3 Setup 28 (0 - 60 min.) Adjust the amount of time stage 1 must be on before stage 2 turns on. 0:02 2 Setup 27 For mor[...]

P age 13.7 Selecting 2 nd S tag e T urn Of f T empe r atur e Selecting 2 nd S tag e T urn Of f T empe r atur e If ON is selected, the second stage of cooling or heating will remain energized until the thermostat reaches the setpoint on the thermostat display . If OFF is selected, the second stage of cooling or heating will turn off after reaching t[...]

P age 14.1 Section 14 Contents: Configuring a Thermostat Output Jumper for Programmable Output Operation...................14.2 Time-Based Control of the Programmable Output...........14.3 T emperature-Based Control of the Programmable Output.....14.6 SECTION 14 Using t he Pr og r ammable Output Using t he Pr og r ammable Output 14 Carrier[...]

Carrier ECON P a ge 14.2 Se tting a Thermos tat Jum per f or Pr ogr ammable Output Oper ation Se tting a Thermos tat Jum per f or Pr ogr ammable Output Oper ation T o control one of the MISC outputs using time, temperature, or Internet/phone based operation, place the MISC1, or MISC2, or MISC3 jumper on the terminal labeled PROG ( see diagram below[...]

Carrier Press the UP button to set the programmable output for time based operation. The digits in the clock area will appear . P age 14.3 Time-Based Contr ol of the Pr ogr ammable Output Time-Based Contr ol of the Pr ogr ammable Output T o operate one of the MISC outputs using time-based operation, set Advanced Setup step #30 ( below ) for T ime i[...]

Carrier Day 7 Setup 32 Setup 3 i P age 14.4 Mo Setup 33 Am 7 :00 Mo Start Setup 34 Press MODE Press MODE Press MODE Continued on the next page Press MODE If Step 32 is set for 1-Day , then Day of the Week and Copy functions do not appear or apply . 7-Day 1-Day Select 7-Day or 1-Day Programming: 7-Day = Different program for each day . 1-Day = Same [...]

P age 14.5 Press MODE Adjust the programmable output stop time for Monday If Y es is selected: If No is selected: Press MODE Press FAN Ye s No 9:00 Mo Setup 35 Pm T u If Step 32 is set for 1-Day , then Day of the Week and Copy functions do not appear or apply . Select Y es to copy the previous day’s program to this day . Selecting Y es, then pres[...]

Carrier P age 14.6 T emper atur e-Based Contr ol of the Pr ogr ammable Output T emper atur e-Based Contr ol of the Pr ogr ammable Output T o operate a MISC output using temperature-based operation, program advanced setup step #30 ( below ) for temperature 88 . his extra output will supply 24V AC to the selected MISC terminal based on the temperatur[...]

Possible REMOTE scenarios: 1) Arm the alarm system in your building after you have left for the day . 3) T urn on your interior lights while you’re closed. 2) T urn off your sign lights after arriving home. P a ge 14.7 Interne t/Phone Contr ol of the Pr ogr ammable Output Interne t/Phone Contr ol of the Pr ogr ammable Output T o operate a MISC ou[...]

Carrier P age 15.1 Section 15 Contents: Installing the Remote Sensors...................................15.2 Controlling or Reading the Remote T emperature (RS1)...15.3 Averaging the Remote Sensor (RS1) with the Thermostat Sensor .....................................15.4 SECTION 15 Pr og r amming Remo t e Sensor Oper ation Pr og r amming Remo t e S[...]

Carrier P age 15.2 Ins talling the Remot e Sensor s Ins talling the Remot e Sensor s Up to eight wired or wireless remote sensors may be installed on the thermostat (RS1) to control the temperature in other rooms. If more than one sensor is connected to (RS1) the thermostat will average the sensors to determine the displayed temperature reading. On[...]

Carrier P age 15.3 The thermostat may be programmed to only READ the remote sensor , or to CONTROL to the remote sensor . Refer to advanced setup step #37, below . Contr olling or R eading the Remot e T empe r atur e (RS 1 ) Contr olling or R eading the Remot e T empe r atur e (RS ) 1 Press the PROGRAM button to leave the Setup screens. If no butto[...]

Carrier P age 15.4 A ver aging the Remo te Sensor (RS 1 ) with the Therm ost at Sensor A ver aging the Remo te Sensor (RS 1 ) with the Therm ost at Sensor If step #37 is set to control to the remote sensor , the thermostat will ignore the reading of its internal temperature sensor and only display the temperature reading from the remote sensor . Th[...]

P age 16.1 Section 16 Contents: Dry Contact Operation............ 16.2 Dry Contact Polarity .................16.2 Dry Contact Programming.......16.3 Random St art Operation..........16.4 SECTION 16 Pr og r amming t he Dry Contact Pr og r amming t he Dry Contact 16 Carrier[...]

Carrier P age 16.2 Dry Contact Oper ation Dry Contact Oper ation YES NO Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press 40 Setup NC NO MODE Press PROGRAM MODE MODE Press the MODE button. While holding the MODE, press the PROGRAM button to enter [...]

Carrier P age 16.3 Dry Contact Pr og r amming Dry Contact Pr og r amming OCCUPIED 1 OR SERVICE THE CONDENSA TE DRAIN P AN - If Occupied 1 is selected in step #41 ( below ), when the dry contact is energized the thermostat will be forced into Occupied 1 setpoints and the Occupied 1 icon will blink (Section 6 ). The thermostat must be in Program On m[...]

Carrier P age 16.4 Random S tart Oper ation Random S tart Oper ation This feature allows a 2 to 30 second delay before energizing the thermostat outputs af ter any of these events: 16 Loss of Power to the thermostat: When power to the thermost at is interrupted and then restored, Random S tart will lockout the outputs of the thermostat for a random[...]

P age 17.1 Section 17 Contents: Setting up the Thermostat for Light Activated Operation................................17.2 Adjusting the Light Sensor .....17.3 SECTION 17 Light Activ ated Oper ation Light Activ ated Oper ation 17 Carrier[...]

33CS450-01 Carrier Select YES if the thermostat should be Light Activated. Select NO to allow only Time Period Programming ( Section 6 ). Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. PROGRAM Press A light sensor is provided on the thermostat for light acti[...]

P age 17.3 Adjus ting the Light Sensor Adjus ting the Light Sensor The light sensor can be adjusted for variable degrees of sensitivity . The sensitivity adjustment screw is located on the side of the thermostat, as illustrated below . T urning the screw clockwise increases the sensitivity of the sensor to light. The Light Sensor Adjustment Screw i[...]

SECTION 18 Ener gy Sav e Oper ation Ener gy Sav e Oper ation Carrier P age 18.1 How to Use the Ener gy Sav e F eatur e How to Use the Ener gy Sav e F eatur e If the thermostat is configured to be programmable ( Section 4), and Energy Save has been selected in step #43 ( below ), the room will attempt to reach the selected comfort temperature at the[...]

P a ge 19.1 Section 19 Contents: Setting and Resetting the Service Filter (Fan Run-Time) Alerts........................................19.2 Setting and Resetting the UV Light Run-Time Alerts.............19.3 Setting and Resetting the Humidify Run-Time Alerts......19.4 SECTION 19 Pr og r amming Run- T ime Aler ts Pr og r amming R un- Time Alerts 19 [...]

Carrier 19 P age 19.2 How to Se t and Reset t he Service F ilter (F an R un- Time) Alert How to Se t and Reset t he Service F ilter (F an R un- Time) Alert This counter keeps track of the num ber of hours of fan run-time whether the fan is energized in the Heating or Cooling modes, or in stand alone fan operation. The Service Filter icon will appea[...]

Carrier P age 19.3 How to Set and Rese t t he UV Light Run-Time Alert How to Set and Rese t t he UV Light Run-Time Alert This counter keeps track of the number of days since the UV Light counter has been reset. The UV Light icon will appear af ter the number of days has been achieved, as shown in step #46 ( below ). Setting the counter to zero in S[...]

Carrier P age 19.4 How to Set and Rese t t he Humidifier Run-Time Alert How to Set and Rese t t he Humidifier Run-Time Alert This counter keeps track of the number of days since the Service Humidify icon was last reset; this icon will appear after the number of days set in step #47 ( below ) has elapsed. Setting this counter to zero in step #47 wil[...]

Carrier P age 20.1 When the thermostat is programmed for a Holiday mode, it will take effect at 12:00 am of the next day . In order for the Holiday mode to take effect the thermostat must be in the Program On m ode. The thermostat will control to the Unoccupied cooling and heating setpoints set in Section 6, pages 6.2 and 6.3. Holiday setpoints wil[...]

Carrier P age 20.2 HOLIDA Y DISPLA Y - When the thermost at is placed into the Holiday mode, the thermostat will display the screen shown below . y 2 Pr ogr amming Holiday Mode (continued) Pr og r amming Holiday Mode (continued) T o return the thermostat to normal operation from Holiday mode, press the HOLIDA Y button and adjust the number of days [...]

P a ge 21.1 Section 21 Contents: Configuring the Jumpers........21.2 Explanation of Jumper Settings..................................21.3 SECTION 21 Conf igur ing the MISC Outputs Conf igur ing the MISC Outputs 21 Carrier[...]

Conf iguring the Jumper s Conf iguring the Jumper s ECON P a ge 21.2 For additional flexibility , your thermostat has three configurable outputs. These outputs are designed to have different functions depending on how the jumpers are set ( below ). Each output, labeled MISC1, MISC2, and MISC3 may be set for one of the five choices available. In the[...]

Carrier PROG JUMPER SETTING If the jumper for MISC1, MISC2, or MISC3 is set to PROG , the corresponding MISC screw terminal on the backplate will control a pilot relay or other accessory . P age 21.3 The 3rd St age of Heat is turned on when: (A) The 1st and 2nd st ages have been on for the time required ( steps 27 and 28, page 13.6). It is adjustab[...]

Carrier HUMIDIFICA TION OPERA TION - SECTION 9 If your HV AC unit is equipped with a humidification system and the Humidity Module (sold separately) has been installed, the thermostat will provide power to the MISC1, MISC2, or MISC3 terminal of the thermostat when the humidity in the home falls below the humidity setpoint you have chosen. The value[...]

Carrier ECON JUMPER SETTING If the jumper for MISC2 or MISC3 is set to ECON, the corresponding MISC screw terminal on the backplate will be connected to an economizer . ECONOMIZER OPERA TION - If your HV AC unit is equipped with an economizer system, the thermostat will provide power to the MISC2 or MISC3 terminal of the thermostat when the thermos[...]

P a ge 22.1 Section 22 Contents: Resetting the Thermostat to the Factory Default Settings........22.2 Calibrating the Te mperature and Humidity Sensors...........22.3 Vi ewing the Remote Te mperature Sensors............22.4 SECTION 22 F actory Def aults, Calibr ation, and Sensor s F actory Def aults, Calibr ation, and Sensor s 22 Carrier[...]

Carrier AUTO OFFON Override 123 Unoccupied Am I8:88 SuMoT uWeThFrSa Pm A UX H EAT C OOL FanOn Service Filter Pan UV Light Program On StartS top DeHumidify I88 Setup Outside Remote 88 L O H I 88 If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below . P age 22.2 Resetting [...]

Carrier After calibration is complete, press the MODE button once to save your changes and return to normal operation. AUTO OFFON Override Unoccupied Am I8:88 SuMoT uWeThFrSa Pm A UX H EAT C OOL FanOn Service Filter Pan UV Light Program On StartS top DeHumidify I88 Setup Outside Remote 88 L O H I 88 123 P age 22.3 Calibr ating the T emper atur e an[...]

P age 22.4 V iewing the Remo te T emper atur e Sensors V iewing the Remo te T emper atur e Sensors Each sensor is programmed with a “hard-coded” address that the thermostat “scans” in order from lowest to highest. Therefore, in order to determine which sensor corresponds to the number on the setup screen you will need to disconnect each sen[...]

P age 23.1 SECTION 23 Accessor ies Accessor ies RJ1 1 T ype Jack The Accessory Port is located on the bottom of the thermostat. EZ PROGRAMMER (optional accessory) - When the EZ is connected, the thermostat Time Period Advanced Setup Programming can be stored into memory . This information can then be uploaded to other 33CS250-01 thermostats. Progra[...]

24 Description Df* S tep# Range S tep# Description Range Df* 2 2 Off Off NO 7 Mo 7am 9pm 80 No Off Ye s NO Occ. 1 No Off - - 0 0 0 - - 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Programmable Thermostat Auto-Changeover Thermostat Fan Off Delay Fan Purge Thermoglow Backlight F o r C Security Level Max Heat Setpoint Min Cool [...]

Carrier P age 25.1 dehum, 10.6 minutes of run- time, 13.4, 13.6 21.5, 24.1 turn off temperature, 13.7, 24.1 Y2 operation, 21.5 deadband, see Deadband droop, see Deadband icon, 2.3 indicator , 2.2 mode, 1.3 overshoot, see Overshoot program, see Program run-time, see Run- Time setpoint, 1.3-1.4, 6.2-6.5 to dehumidify , see Dehumidify Condensate Drain[...]

Carrier P age 25.2 Fan, off time delay , 7.3, 24.1 on icon, 1.4, 2.4, 7.2 purge, 7.4, 24.1 1st stage deadband, see Deadband emergency heat, button function, see Buttons on during heat, see Electric Heat run-time, 19.2 2nd stage heat, see Emergency Heat speed, see Dehumidify unoccupied, 7.2 Fd, 22.2 Flashing Selection, 1.2 Gas Furnace control the fa[...]

Carrier P age 25.3 Jumpers DEHUM, 21.4 ECON, 21.5 ELEC, 12.3 electric heat, 12.3, 24.1 gas electric, 12.2, 24.1 heat pump, 12.2, 24.1 HUM, 9.2, 21.4 programmable output, 14.2 reversing valve, 12.2, 24.1 W3, 21.3 Y2, 21.5 Keypad Lockout, 2.4, 8.3 LCD, 2.2 Light activated, 17.2-17.3, 24.1 12.4 minutes of run- time, 13.4, 13.6, 24.1 2nd stage deadband[...]

TOT ALINE Carrier P age 25.4 Off Mode, 1.3, 2.3 Outdoor , see Outside Outside button, see Buttons icon, 2.3 sensor , 2.3, 5.2, 13.1- 13.2, 15.2, 22.4 Pan, Service see Dry Contact Phone-based operation see Programmable Output Polarity , see Dry Contact Preoccupancy Fan Purge Timer , see F an Program, copy , 6.4-6.5 viewing temperature, 2.3, 5.2, 22.[...]

Carrier P age 25.5 cool, 11.3, 24.1 heat, 11.2, 24.1 Humidification, 11.5, 24.1 override, 11.4, UV light, 11.6 Schedule, Daily , see Program 2nd stage turn off temperature, 13.7, 24.1 Security level, 8.4, 24.1 setpoints, 8.4, 24.1 Sensor outside, see Outside remote, see Remote thermostat, see Thermostat Service filter icon, see Reset humidify icon,[...]

Carrier P age 25.6 10.5-10.6 heat, see Heat holiday , 20.1 humidification, 9.4 occupied, 6.2 programmable output, 14.6 security , 8.4 unoccupied, 6.2-6.3 Setup Icon, 2.4 Simplest Operation, 4.2-4.3 Smart Fan, 7.2 Smart Recovery , see Energy Save T erminal, MISC, see MISC Thermostat Sensor averaging, 15.4, 24.1 calibrate, 22.3 Time, see Clock Time D[...]

THIS WARRANTY DOES NOT INCLU DE LABOR OR OTHER COSTS incurred for diagnosing, repairing, removing, installing , shipping, servicing or handling of either defective parts or replacement parts. Such costs may be covered by a separate warranty provided by the installer . THIS WARRANTY APPLIES ONL Y TO PRODUCTS IN THEIR ORIGINAL INST ALLATION LOCA TION[...]

Programming Worksheet see Section 6 No Ye s No Ye s No Ye s No Ye s No Ye s No Ye s F R I D A Y T U R A S D A Y Copy Fri Sat Copy T ue Wed Copy Thu Fri S U N D A Y Copy Sat Sun Copy Wed Thu W E N E S D D A Y T U R H S D A Y Copy Mon T ue M O N D A Y T U E S D A Y DA Y PERIOD HEA T ST ART TIME COOL Unoccupied Occupied 1 Occupied 2 Occupied 3 Printed[...]