York LX series User Manual Download

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Owner’s Manual

Digital Thermostat

LX Series

Digital Thermostat

LX Series

RESIDENTIAL

S1-THSU21P1

S1-THSU32P7

S1-THSU32HP7

Model

BACKLIT

DISPLAY

and

Installation Instructions

Summary of Contents for LX series

Page 1: ...anual Owner s Manual Digital Thermostat LX Series Digital Thermostat LX Series RESIDENTIAL S1 THSU21P1 S1 THSU32P7 S1 THSU32HP7 Model BACKLIT DISPLAY and and Installation Instructions Installation Ins...

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Page 3: ...ollowing two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Follow the In...

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Page 5: ...to before heating is turned on without regard to deadband Humidify To increase the amount of moisture in the air Icon The word or symbol that appears on the thermostat display Mode The current operati...

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Page 7: ...ary Output Factory Defaults Dry Contact Operation INSTALLER SETUP 16 Scrolling Display Options System Runtimes Time Period Programming Program Mode Operation TECHNICIAN SETUP 38 Advanced Output Testin...

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Page 9: ...ooler Button Mode Button Warmer Button Heat or Cool Demand Indicator Red Heat Green Cool Backlit LCD Display Display Options Setup Program Set Clock Get to Know Your Thermostat Front Panel Scrolling D...

Page 10: ...dicates heating and cooling is turned off Clock with Day of the Week Indicates the current time and day This clock is also used to program the time period schedules Room Temperature Display Indicates...

Page 11: ...isplays the highest and lowest temperatures for the day Morning Day Evening Night icons Indicates the day part of the time period program Setup Step icon Indicates the step number when the thermostat...

Page 12: ...p operation Only the Aux icon will appear during Cool to Dehumidify to indicate Reheat operation Lo icon Indicates the lowest recorded outdoor temperature for the day Hi icon Indicates the highest rec...

Page 13: ...TIP To adjust the time by hours press and hold the FAN button while pressing the WARMER or COOLER buttons Selecting the Heat or Cool Mode Select mode by pressing the MODE button Heating Only The HEAT...

Page 14: ...tton again to view and adjust the dehumidification setpoints return to normal operation o display the current humidity measured at Press the HUMIDITY button again to confirm settings and Note Due to v...

Page 15: ...ET HEAT ET S 2 00 78 74 68 85 MO YOUR NAME COOLER MODE WARMER I Am Outdoor COOL SET HEAT ET S 2 00 78 74 68 85 MO YOUR NAME COOLER MODE WARMER Remove the cover of the old thermostat If it does not com...

Page 16: ...74 68 85 MO YOUR NAME Wire from the old thermostat terminal marked Function Install on the new thermostat connector marked G or F Fan G Y1 Y or C Cooling Y1 W1 W or H Heating W1 O B Power Rh R M Vr A...

Page 17: ...tage compressor relay 3rd stage heat circuit Humidifier control circuit Dehumidifier control circuit 24 VAC common Aux output Outdoor sensor connections Remote sensor connections Dry contact connectio...

Page 18: ...l energize in cooling If RV B is chosen the W1 O B terminal will energize in heating When J1 is set for GAS ELEC This jumper J3 controls how the thermostat will control the Fan G terminal in heating m...

Page 19: ...n Gas Elec O not used Gas Residential Commercial 1 Stage Cooling with 1 stage Electric Heat 5 Wire 1 Stage Cooling 1 Stage Heat 24VAC Power 24VAC Common 1st Stage Heat 1st Stage Cool Fan Gas Elec O no...

Page 20: ...r Heat G Fan J1 Heat Pump J2 O J3 Electric Setup Step 24 is set to 2 Number of Compressor Stages Residential Commercial Heat Pump with O Reversing Valve 6 Wire 1 Stage Cooling 2 Stage Heat R 24VAC Pow...

Page 21: ...iagrams Heat Pump Systems with Dual Fuel J1 Heat Pump J2 O J3 GAS Setup Step 24 is set to 2 Number of Compressor Stages Setup Step 46 is set to ON Dual Fuel On Off or External Humidification or Dehumi...

Page 22: ...e up through the heating stages Press COOLER to turn the heating stages off Press MODE to exit Press COOLER to turn on and cycle down through the cooling stages Press WARMER to turn the cooling stages...

Page 23: ...evening or always off For always off see Backlight Level Press the SETUP button then press MODE repeatedly until the Backlight setup step appears Use the WARMER or COOLER buttons to adjust the brightn...

Page 24: ...vance to the next step Press SETUP to leave the setup screens I Am Outdoor COOL SET HEAT ET S 2 00 SERVICE 78 74 68 85 MO A I Am Outdoor COOL SET HEAT ET S 2 00 FILTER 78 74 68 85 MO B Example of Whol...

Page 25: ...gain Choose the desired Vacation Cool setpoint Press VACATION Choose the desired Vacation Heat setpoint Press VACATION again to return to the main screen EMERGCY VACATION Accessory ACCSRY The ACCSRY b...

Page 26: ...tinuously until OFF is displayed to disable this alert Set Service Filter Calendar Days Setup Step 13 This timer allows the user to specify the number of calendar days that will elapse before the Repl...

Page 27: ...keeps track of the number of hours the system has run in Heating Press FAN to reset Current Aux Strip Heat Runtime Hours Setup Step 8 This counter keeps track of the number of hours the system has ru...

Page 28: ...me for the next Repeat Start Time and Setpoint programming for Day Evening and Night Copy Current Day to Next Press the WARMER button to Copy the current day s to program to another day Press the WARM...

Page 29: ...ws the manual selection of HEAT only or COOL only and OFF Heat and Cool Allows the thermostat to turn on heating or cooling depending on which one has been manually selected Auto Changeover is not ava...

Page 30: ...l Setpoint Difference Setup Step 23 This feature allows the user to set the minimum gap between Heat and Cool setpoints in AUTO mode Select from 0 to 6 If setup step 2 is not set for AUTO CHANGEOVER t...

Page 31: ...third stage turns on before the final stage of strip heat is activated 0 10 Minutes Between 1st and 2nd Stage Setup Step 29 Specifies the minimum time in minutes after the first stage turns on before...

Page 32: ...ating has been satisfied This delay can be set for 0 30 60 90 or 120 seconds If set to 0 the fan will not run after a call for cooling or electric strip heating has been satisfied Fan Off Delay in Sec...

Page 33: ...y to lower room humidity If set to OFF the following two steps will not appear Max Dehum Overcool Setup Step 44 Specifies how many degrees below the Cool setpoint the air conditioning will run to sati...

Page 34: ...up Step 48 When set to ON the Aux Heat Lockout feature is enabled When set to OFF Auxiliary Heat will stage normally Auxiliary Heat Lockout Setup Steps 48 49 This feature allows the auxiliary heat for...

Page 35: ...ts are controlled by the Comfort Alert accessory Installer Setup Dual Fuel Changeover Delay Setup Step 54 0 90 Specifies the number of seconds the heat pump is allowed to continue running after a foss...

Page 36: ...y when the Aux output will turn off Copy Setup Step 63 This step only appears if Aux Output Days Setup Step 59 is set for 7 programmable output days If TIME is selected for the Aux Output the followin...

Page 37: ...Normally Closed function Setup Step 57 can be altered to make the output trigger below the set temperature Temps are adjustable from 0 120 degrees Fahrenheit Level 1 Aux Output is active if a Critical...

Page 38: ...per and outdoor temperature sensor may also be required Installer Setup To use Free Cooling Setup Step 58 must be set to FREE COOLING Venting To use Venting Setup Step 58 must be set to VENTING The Ve...

Page 39: ...be permanently lost SETUP Press and hold SETUP for 5 seconds All icons will appear on the display H Lo Program ONOFF Outdoor Fan On COOL SET A HEAT ET UX S Day Night Morning Evening Setup Step 2nd3rd...

Page 40: ...s and hold the MODE button While holding the MODE button press the WARMER and COOLER buttons together The icon will appear on the display then release the buttons To unlock the keypad the MODE button...

Page 41: ...dvance through the setup steps Press WARMER or COOLER to adjust the selection Technician Setup is for diagnostic and testing purposes and is intended for use by a qualified technician See page 14 for...

Page 42: ...d and 3rd Stage Minutes Between 3rd and 4th Stage 2nd Stage Turnoff Point 3rd Stage Turnoff Point 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 27 28 29 30 31 32 33 Non 1 5 2 7...

Page 43: ...Temp Comfort Recovery Dry Contact Polarity Dry Contact Use Fault Type Lockout Aux Heat W Outdoor Temp Aux Heat Lockout Temp 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 5...

Page 44: ...e Advanced Setup Table Df Page 36 Humidity Polarity Dehumidify Polarity Press Fan To Clear All Messages 73 74 75 Open Closed Open Closed N A Open Open N A 25 25 29 Not available on all models Df Facto...

Page 45: ...ng does not attempt to turn on CAUSE The heating setpoint is set too low REMEDY Raise the heating setpoint or raise the heating set point limit See Setpoint Limits page 22 I Am Outdoor COOL SET HEAT E...

Page 46: ...ory 17 Auto adjust temperature 6 changeover 21 fan 6 mode 5 21 Aux icon 4 AuxHeat icon 3 Aux Heat Lockout 26 Auxiliary Output 28 29 Average thermostat sensor 27 b reversing valve 33 10 Backplate 9 Bal...

Page 47: ...d balance point 23 1st stage 23 2nd stage 23 3rd stage 23 Dehumidify Aux icon 2 cool to 25 dehum settings 25 setpoint 25 Delay fan off see Fan time between stages see Time Delay Differential heat and...

Page 48: ...e 23 2nd stage deadband see Deadband emergency heat 17 electric strip heat 17 minutes of run time 23 3rd stage deadband see Deadband AuxHeat icon 2 deadband see Deadband droop see Deadband icon 4 indi...

Page 49: ...anual changeover 21 cool 21 heat 21 Maximum Outdoor Temperature see Hi Minimum Outdoor Temperature see Lo MISC jumper see Jumpers Mode 2 5 21 Multi stage Operation 23 Non Programmable Thermostat 21 No...

Page 50: ...mostat settings see Factory Defaults runtime fan filter 18 humidify 19 UV light 19 Reversing Valve 10 Runtime resetting see Reset setting humidifier 19 service filter 18 UV light 19 viewing cool 19 he...

Page 51: ...Page 43 UV Light resetting 19 runtime see Runtime setting see Runtime Vacation button see Buttons mode 17 programming 17 setpoints 17 Venting 30 W3 see Jumpers Warranty 44 Y2 see Jumpers Index...

Page 52: ...LL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERI...

Page 53: ...Notes...

Page 54: ...Notes...

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Page 56: ...Morning Day Day Evening Evening Night Night Copy Fri Sat Copy Tue Wed Copy Thu Fri S U N D A Y Morning Day Evening Night Copy Sat Sun Copy Wed Thu W E N E S D D A Y T U R H S D A Y Morning Morning Day...

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