Trane 540 User's Manual
Contents
1. TRANE Programmable Heat Pump Thermostat TAYSTAT 540 OWNER S GUIDE LZ i x m g le F Pub No 22 5185 01 69 1229 FEATURES The Trane Co sells comfort systems OR HOLDS TEMPERATURE INDEFINITELY Comfort is achieved through matching the tcp pispLay correct equipment and controls This thermostat is designed to provide the maximum comfort for your needs Some of the basic offerings are INCREASE KEY INCREASE TEMPERATURE SET TIME OR SCROLL THROUGH DAYS OF WEEK SELECT KEY SET CURRENT DAY AND TIME OR SET PROGRAM DAY AND TIME e Program up to four time periods and temperature settings to complement your lifestyle DECREASE KEY DECREASE TEMPERATURE SET TIME OR SCROLL BACKWARD THROUGH DAYS OF WEEK FAN Auto On e Set different schedules for weekdays ont Heat En J and weekends A FAN SWITCH LS SYSTEM SWITCH SLIDE TO s AUTO FAN RUNS ONLY COOL OFF OR HEAT FOR e Programs are permanently held in WHEN SYSTEM OPERATES PROGRAMMING SLIDE TO i i ON FAN RUNS COOL OFF HEAT OR EM HT memory in the event of a power failure ALEE EA FOR CURRENT SETTING z M14312 e Indefinite temperature hold e Preprogrammed for your convenience Pub No 22 5185 01 2 69 1229 Your thermostat displays the current day time period temperature and system 0 for heating or k for cooling in normal mode In programming mode only the setting or settings being programmed display For example Sa2. heating and cooling contractor Pub No 22 5185 01 25 69 1229 26 Pub No 22 5185 01 69 1229 27 Pub No 22 5185 01 69 1229 S TRANE American Standard Inc Pub No 22 5185 01 U S Registered Trademark Troup Highway 69 1229 6 99 G H Printed in Mexico Tyler TX 75711 9010
3. 273 Emergency Heat The Emergency Heat feature allows you to turn on the electric heat section of the system by moving the system switch to the Em Ht position The 4 indicator flashes and points to Em Ht when the system is in emergency heat mode The 4 indicator may also point to Aux Ht if the system calls for additional back up heating INDICATOR M10287 Auxiliary Heat The auxiliary heaters assist the heat pump under normal conditions when low outdoor temperature occurs The 4 indicator points to Aux Ht when the auxiliary heating equipment operates Pub No 22 5185 01 69 1229 Minimum Off Timing Your thermostat comes equipped with a minimum off timer At certain times during heating or cooling the system will not start up again for at least five minutes after it turns off compressor is off and can t be heard This occurs when you change the SYSTEM switch position while the compressor is off or when you change the temperature setting causing the compressor to turn off The minimum off timer is also triggered during power interrup tion and power restoration You will know the minimum off time is in effect by a flashing 0 or k on the display 20 N CAUTION Equipment Damage Hazard Can cause permanent damage to the compressor or other equipment To avoid possible equipment damage do not operate cooling when outside temperature is below 50 F 10 C See equipment manufacturer instruc tions T
4. A or V to set Leave time SET TE am 02 121 Sa Su LEAVE M17319 b Press Select Press A or V to set Leave temperature M17320 Pub No 22 5185 01 69 1229 3 Set weekend Return time and tempera 4 Set weekend Sleep time and tempera ture ture a Press Select Press A or V to a Press Select Press A or W to set Return time set Sleep time SET rl IZ mir PM Sa Su RETURN M17321 M17323 b Press Select Press A or V to b Press Select Press A or V to set Return temperature set Sleep temperature W as wy O IZ I Sa Su u RETURN SLEEP M17322 M17324 Pub No 22 5185 01 15 69 1229 5 Press Select End displays M17325 M17300 6 Return to Step 1 Setting the Week day Program to program the opposite mode 4 heating or gt k cooling Your weekday and weekend schedules are now programmed 16 Temporary Temperature Hold 1 Press A or V key twice to seta temporary temperature TEMPORARY ZI Te EE tem Lik M17326 Note The temporary temperature setting remains in effect until the next program period To cancel press Hold twice and wait five seconds Pub No 22 5185 01 69 1229 Indefinite Temperature Hold The Hold key allows you to hold a tempera ture indefinitely When Hold is active Hid displays continuously 1 Press Hold 2 Press A or W key to set indefinite temperature setting M17327 3 To cancel press
5. Hold and wait five seconds System and Fan Use the SYSTEM and FAN switches to change the settings System Setting To select the desired system setting slide the SYSTEM switch in the lower right corner of the thermostat Select SYSTEM Cool Off Heat Em Ht SYSTEM SWITCH A M17336 Pub No 22 5185 01 69 1229 SYSTEM settings control the thermostat operation as follows Cool Normal setting for months when your home needs cooling air condition ing Digital display shows a snowflake gt when cooling is on Both heating and cooling are off Normal setting for months when your home needs heating Digital display shows a flame Q when heating is on Switch to this setting when your home needs heat but your equip ment needs servicing or is not working properly In this mode the thermostat controls only the backup heat The heat pump is off Off Heat Em Ht dk M17329 NOTE Inthe programming mode the x and indicate the system setting Fan Setting To select the desired fan setting slide the FAN switch in the lower left corner of the thermostat SRANI FAN SYSTEM Auto On Cool Off Heat Em Ht X FAN SWITCH M17337 Pub No 22 5185 01 18 69 1229 Auto Normal setting for most homes Some systems may delay the fan turning on and off with the equip ment On The fan runs continuously Use for improved air circulation and air quality FAN x AutoOn LA FAN SWITCH M10
6. M17333 Pub No 22 5185 01 11 69 1229 b 4 Set weekday Return time and tempera ture a Press Select Press A or V to set Leave temperature pa aj Mo Tu We Th Fr LEAVE M17312 Press Select Press A or V to set Return time Ea a Er Sem Mo Tu We Th Fr RETURN M12628 12 Press Select Press A or V to set Return temperature LP U Mo Tu We Th Fr 3 RETURN M17314 5 Set weekday Sleep time and tempera ture a Press Select Press A or V to set Sleep time Th NZ mer rpm Mo Tu We Th Fr M17315 Pub No 22 5185 01 69 1229 b Press Select Press A or V to Setting the Weekend Program set Sleep temperature Note For initial programming you must set 0 f l L the weekday schedule as shown in 1 Setting the Weekday Program before MODOWETNEE s aa 25 you can access weekend program ming If your weekday is already ate programmed you can access weekend programming by pressing Select 12 IMPORTANT times Before pressing another key continue with Setting the Weekend 1 Set weekend Wake time and tempera Program ture a Press Select Press A or V to set Wake time M17317 Pub No 22 5185 01 13 69 1229 b Press Select Press A or V to set Wake temperature Example shows Cool setting M17318 Note When setting the Weekend Program the days Sa Su display 14 2 Set weekend Leave time and tempera ture a Press Select Press
7. Su Saturday Sunday displays while programming the weekend schedule All settings are explained below SET DISPLAYS WHILE SETTING THE CLOCK CURRENT TIME DISPLAYS SET IN NORMAL MODE o SE TEMPORARY TEMPORARY DISPLAYS DURING TEMPORARY TEMPERATURE HOLD ja ia START TIME DISPLAYS IN iI il PROGRAMMING MODE the Z TIPM od T lo Tu a Th Fr Sa CURRENT DAY DISPLAYS TWAKE LEAVE RETURN SLEEP b 3 IN NORMAL MODE MONDAY THROUGH FRIDAY DISPLAY DURING WEEKDAY PROGRAMMING MODE SATURDAY AND SUNDAY DISPLAY DURING WEEKEND PROGRAMMING MODE DURING NORMAL MODE THE CURRENT PERIOD DISPLAYS DURING PROGRAMMING THE PERIOD BEING PROGRAMMED DISPLAYS WAKE LEAVE RETURN OR SLEEP CURRENT TEMPERATURE DISPLAYS HEATING AND COOLING SETPOINT DISPLAYS DURING PROGRAMMING FLAME DISPLAYS DURING HEATING OR WHILE PROGRAMMING HEATING SETPOINT SNOWFLAKE DISPLAYS DURING COOLING OR WHILE PROGRAMMING COOLING SETPOINT M14308 Pub No 22 5185 01 69 1229 PROGRAMMING YOUR gig THERMOSTAT He CLOCK ra Note While setting the current time SET Setting the Current Day and Time displays To set or reset the current day and time follow these instructions 2 To set Day of Week press Select again Press A or V to set current day IMPORTANT Always press the keys with your fingertip or similar blunt tool Sharp objects like pen and pencil points will damage the keyboard M12593 Note To exit the programming m
8. desired temperature Note The thermostat cannot be set higher than 99 F 37 C or lower than 50 F 10 C Pub No 22 5185 01 9 69 1229 Setting the Weekday Program IMPORTANT Always press the keys with your fingertip or similar blunt tool Sharp objects like pen and pencil points will damage the keyboard 1 Slide the SYSTEM switch to the setting you want to program Heat or Cool SYSTEM Cool Off Heat Em Ht Throughout programming the thermo A Kiss stat displays a flame 4 heating or BIZWSM snowflake gt k cooling to help you identify which mode you are program NOTE To exit the programming mode at ming At the end of Setting the Week any time press Hold the thermostat end Program you are prompted to saves your changes return to this step to program the opposite mode Example shows Cool setting Pub No 22 5185 01 10 69 1229 2 Set weekday Wake time and tempera ture a Press Select four times Press A or W to set Wake time wom We Th Fr M17332 Note When setting the Weekday Program SET ALIZ am e la 1 the days Mo Tu We Th Fr display Mo Tu We Th Fr WAKE Miza 3 Set weekday Leave time and tempera ture Note Schedule times are programmable in a Press Select Press A or V to increments of 15 minutes For each set Leave time press the time increases or decreases by 15 minutes cea b Press Select Press A or V to Mo Tu We Th Fr LEAVE set Wake temperature
9. eating or cooling system to start to reach your sleep temperature To use this period as an energy savings mode set the temperature lower during heating season and higher during cooling season Pub No 22 5185 01 6 69 1229 The preprogrammed schedule is shown in Table 1 You may keep this schedule or organize your own Schedules are adjustable as often as you wish If you decide to keep this schedule no further programming is necessary Table 1 Preprogrammed Weekday and Weekend Schedule Wake 6 00 AM 70 F 21 C 78 F 26 C 8 00 AM 62 F 17 C 85 F 29 C Returm 5 00 PM 70 F 21 C 78 F 26 C Sleep 10 00 PM 62 F 17 C 75 F 24 C To begin programming your weekday and weekend schedules fill in Tables 2 and 3 Pub No 22 5185 01 7 69 1229 Customizing Your Weekday Schedule Use Table 2 to organize your weekday schedule Fill in the times and temperatures you want to program The names of the four periods are filled in for you Table 2 Your Weekday Schedule Heating Cooling Period Start Time Temperature Temperature Pub No 22 5185 01 8 69 1229 Customizing Your Weekend Schedule Use Table 3 to organize your weekend schedule Fill in the times and temperatures you want to program The names of the four periods are filled in for you Table 3 Your Weekend Schedule Heating Cooling Period Start Time Temperature Temperature Note Start Time is the time your thermostat begins to reach the
10. he system switch at the equipment is in the Off position set to Heat position Wait five minutes for the system to respond Check that the setpoint is below room temperature reset temperature or wait for room temperature to rise Check if the circuit breaker is tripped reset the circuit breaker Check if the fuse is blown replace the fuse Check if the system switch at the equipment is in the Off position set to Cool position Wait five minutes for the system to respond Pub No 22 5185 01 22 69 1229 Troubleshooting Contiuned System on indicator and is lit but no warm or cool air is coming from the registers System on indicator or gt k is flashing Heating cooling Wait a minute after seeing the flame or equipment turns on snowflake and then check the registers the fan when the equipment has reached the setpoint Minimum off timer is Wait five minutes until the minimum off timer in effect is complete Pub No 22 5185 01 23 69 1229 LIMITED WARRANTY Low Voltage Room Thermostats This warranty is extended by American Standard Inc to the original purchaser and to any succeeding owner of the real property to which the Thermostat is originally affixed and applies to products purchased and retained for use within the U S A and Canada If any part of your Thermostat fails because of a manufacturing defect within one year from the date of the original purchase Warrantor will furnish w
11. ithout charge a new thermostat Any local transporta tion related service labor and diagnosis calls are not included This warranty does not cover failure of your Thermostat if it is damaged while in your possession or if the failure is caused by unreasonable use In no event shall Warrantor be liable for incidental or consequential damages In no event shall any implied warranty of merchandise or fitness for use exceed the term of the limited warranty stated above Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Pub No 22 5185 01 24 69 1229 Parts will be provided by our factory organization or an authorized service organization in your area All you need to do is look us up in the Yellow Pages or write to the address given below If you wish further help or information concerning this warranty contact American Standard Inc Troup Highway Tyler TX 75711 9010 Attention Manager After Sales Support CUSTOMER ASSISTANCE If after reading this guide you have any questions concerning the operation of your thermostat please call the Thermostat Customer Assistance Helpline at 1 877 880 3381 Monday Friday 7 00 am 5 30 pm Central time For service contact your local
12. o avoid possible compressor damage allow the compressor to remain off for five minutes before restarting Pub No 22 5185 01 69 1229 TROUBLESHOOTING GUIDE symptom Possible Cause Acton 0 Display will not Thermostat is not Check if the thermostat is mounted and come on being powered latched on the wallplate mount and latch the thermostat on the wallplate Check if the circuit breaker is tripped reset the circuit breaker Check if the fuse is blown replace the fuse Check if the system switch is in the Off position set to Heat or Cool Temperature The upper or lower Check that the temperature setpoints are settings will not temperature limits within range change Example were reached Heating 50 to 99 F 10 to 37 C cannot set the Cooling 50 to 99 F 10 to 37 C heating higher or the cooling lower Contiuned Pub No 22 5185 01 21 69 1229 Troubleshooting Contiuned Heating will not come on Cooling will not come on No power to the thermostat System selection is not set to Heat Heating setpoint is below room temperature No power to the thermostat System selection is not set to Cool Cooling setpoint is above room temperature Check that the setpoint is above room temperature reset temperature or wait for room temperature to fall Check if the circuit breaker is tripped reset the circuit breaker Check if the fuse is blown replace the fuse Check if t
13. ode at 3 Press Hold to exit programming mode any time press Hold 1 To set Current Time press Select twice Press A or V to set current time Pub No 22 5185 01 4 69 1229 Organizing Your Schedule Your thermostat can be set for four time periods Wake Leave Return and Sleep for the weekday schedule Monday through Friday and four time periods for the weekend schedule Saturday and Sunday Without additional programming your thermostat follows the same preprogrammed schedule for both weekdays and weekends see Table 1 WAKE Choose the time you want your heating or cooling system to start to reach your comfort temperature after the SLEEP period How Consider the time required to reach your comfort level Adjust the Wake time to earlier when you know it will take the system longer to reach your comfort temperature LEAVE Choose the time you want your heating or cooling system to start an energy saving mode while you are away at work or school How Set the Leave temperature lower during heating season and higher during cooling season Pub No 22 5185 01 5 69 1229 RETURN SLEEP Choose the time you want your heating or cooling system to start to reach your comfort temperature after the energy savings LEAVE period How Consider the time required to reach your comfort level Adjust the Return time to earlier when you know it will take the system longer to reach your comfort temperature Set the time you want your h
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