Bryant 576b Air Conditioner User Manual
Contents
1. Second Stage Y1 First Stage Compressor Compressor G Fan Not Used W3 ECO Third Stage Heat or Not Used Economizer Not Used Not Used CK1 Not Used Not Used CK2 Not Used R 24 vac Transformer Cc 24 vac Transformer Common Fig 2 Thermostat Wiring TYPICAL THERMOSTAT B UNIT O w2 Y2 R W1 Y1G C 24 VAC COMMON FAN RELAY COMPRESSOR RELAY 1st STAGE HEAT CIRCUIT 24 VAC RETURN EO LTA Mr 2nd STAGE HEAT CIRCUIT Fig 3 Typical Wiring Single Stage Cooling Units THERMOSTAT TYPICAL UNIT w2 Y2 R W1Y1G C 24 VAC COMMON FAN RELAY COMPRESSOR RELAY T Ses FPEOKXQ OME S 1st STAGE HEAT CIRCUIT 24 VAC RETURN 2nd STAGE COMPRESSOR RELAY 2nd STAGE HEAT CIRCUIT Fig 4 Typical Wiring Two Stage Cooling Units Table 1 Thermostat Wiring Terminations EXISTING TERMINAL WIRE FUNCTION GorF Fan Cooling Y1 Y or C Wi W oF H Rh R M V orA Power ayy R Common f e c O B Y2 G Y1 c Second Stage Cooling Second Stage Heating Terminals C W2 and Y2 may not be used in all applications tUsed on Heat Pump applications only lll SET CLOCK The Set Clock button allows the user to change the time and day displayed on the thermostat Press the Set Clock button The current time will blink on and off Press the UP ARROW and DOWN ARROW buttons until the correct time is shown Hold2. Step 9 The display backlight can be set to ON always on or OFF turn off 8 seconds after usage The default is ON G Service Filter Steps 10 and 11 Step 10 allows the user to reset the Service Filter counter to zero and remove the SERVICE FILTER icon if displayed on the thermostat screen Press the FAN button whilein Setup Step 10 and the counter is reset to zero Press the Mode but ton to adjust the number of hours the blower will run before the SERVICE FILTER icon is displayed The range is 0 to 1950 hours Set the variable to 0 to disable this function The default is 500 hours H Fahrenheit Celsius Operation Step 12 The thermostat can be set to operate in Fahrenheit or Cel sius degrees Set the variable to F for Fahrenheit opera tion Set the variable to C for Celsius operation The default is F l Security Level Steps 13 to 15 The Security Level limits the actions that the user can per form at the thermostat There are 4 security levels When the security level is set to 0 no security will bein effect When the security level is set to 1 the set point range is limited by the settings of Steps 14 and 15 When the security level is set to 2 the set point range is limited by the settings of Steps 14 and 15 and the Program On mode is always in ef fect When the security level is set to 3 the set point range is limited by the settings of Steps 14 and 15 the P
3. cooling or cooling to heating operation Il LIGHT ACTIVATED OPERATION A light sensor is provided on the thermostat for light acti vation The thermostat must bein Program On mode for light activation to be initiated When the sensor detects light the space is occupied the thermostat will enter Occupied 1 mode and heat or cool according to the Occupied 1 set points If the room is dark the thermostat will follow its pro grammed schedule NOTE Light activation does not work in Holiday mode Ill TWO STAGE OPERATION The second stage of heat or cool is turned on when the first stage has been on for a minimum of 2 minutes and the tem perature differential from the set point is equal to or greater than the set point plus the deadband plus 2 degrees IV CLOCK BACKUP In the event of a power loss the thermostat will keep time for a minimum of 48 hours without external power or batteries V FAN OPERATION If Fan On is selected the fan will run continuously during occupied schedule except when Mode is switched to OFF The fan will be off during unoccupied schedule except during heating or cooling operation If Fan On is not selected the fan will only operate during heating or cooling operation VI EMERGENCY HEAT Emergency heat is available for heat pump applications To turn on emergency heat press and hold the Fan button While holding the Fan button press the UP button for 2 seconds An EH will be displaye
4. down the buttons to quickly move through the time dis play TheAM and PM annunciators will automatically change Hold down the Fan button while pressing UP ARROW or DOWN ARROW to change the time by hours instead of min utes To ensure the schedules are properly followed make sure that AM or PM is correct for the time chosen When the cor rect time is shown press the Mode button to modify the day of the week The current day will blink on and off Press the UP ARROW and DOWN ARROW buttons until the correct day is shown Press the Set Clock button again to exit the Set Time mode IV HEAT PUMP CONFIGURATION To configure the thermostat for heat pump operation Ad vanced Setup Steps 3 H eat Pump Operation and 4 Revers ing Valve Polarity must be configured correctly See the Configure Advanced Setup section for information on config uring these options NOTE Some large commercial rooftop heat pump units 542 must be configured with Advanced Setup Step 3 Heat Pump Operation set to OF F Refer to the base unit instructions for more information V CONFIGURE ADVANCED SETUP To enter into the advanced setup screens of the thermostat press the Mode and Program buttons at the same time The Advanced Setup Step number is shown in the top right corner of the thermostat screen Use the Mode button to advance through the steps There are 15 Advanced Setup Steps See Table 2 Press the Program button at any time to exit the Advanc
5. Electrical shock could result Ok OB OB Og OB OR Ob OB MOUNTING HOLES Fig 1 Thermostat Mounting 7 Secure mounting base to wall with 2 screws and anchors provided Ensure all wires exit through hole in mounting base Adjust wire length and routing to allow proper closure of the thermostat Strip each wire at the end no more than Ya in to prevent adjacent wires from shorting to gether Match and connect wires to terminals on the thermostat See Fig 2 4 and Table 1 A CAUTION Improper wiring or installation may cause damage to the thermostat Check to ensure wiring is correct before proceeding with installation of unit 9 10 11 w2 Y2 RS2 RS 5 RS1 RS GND Push excess wiring into wall Seal hole in wall to pre vent drafts Re attach thermostat cover to back plate by aligning the top two prongs of the back plate in the vertical groove of the top cover and then snapping the cover onto the back plate Turn on power to unit The thermostat will receive power from the unit The thermostat will be powered by 24 v nominal 18 to 30 vac Terminals R 24 v W1 0 B first stage heat or reversing valve Y 1 first stage cool ing and G fan relay will always be connected Some applications will use C common Y 2 second stage cool ing or W2 second stage heating W1 0 B LEGEND Second Stage W1 0 B First Stage Heat or Heat Reversing Valve
6. d During emergency heat the fan will operate and the second stage of heat will be energized locking out the first stage compressor To exit emergency heat press and hold the Fan button While holding the Fan button press the UP button for 2 seconds During emergency heat only OFF and HEAT modes are available Vil ELECTRIC HEAT When the Electric Heat option in the advanced set up is set to ON configured by installer the thermostat will turn on the fan immediately any time there is a heat demand This feature should only be used on electric heating applications Do not use with gas heat Vill HOLIDAY MODE When the thermostat is in Holiday mode the thermostat will operate under Unoccupied set points To configure and acti vate the Holiday mode press the Holiday button The HOL icon will be displayed along with the remaining days of Holi day mode operation Press the UP or DOWN ARROWS to se lect the number of days that the holiday schedule will be in effect A value of 0 disables Holiday mode The duration can be set from 1 to 99 days The thermostat will enter Holiday mode on midnight of the next day after the mode has been activated Holiday mode will remain in effect until midnight of the last configured day If the Holiday mode is in effect the number of days remain ing will blink on and off and the Unoccupied icon will be displayed The Override button will be active during Holiday mode To turn off the H
7. d 1 will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the cooling set point until the desired temperature is shown The range of acceptable values is 35 to 99 F 1 to 37 C Press the Mode button to con tinue See Fig 5 Table 3 Daily Schedule Planner SCHEDULE Occupied 1 Occupied 2 Occupied 3 Unoccupied Start Stop Heat Cool Start Stop Heat Cool Start Stop Heat Cool Heat Cool DAY OF THE WEEK NOTE The cooling temperature set point must be higher than the heating temperature set point The Wednesday Thursday temperature difference may be changed in the advanced setup configuration gT E CooL occupied1 Fig 5 Setting Occupied 1 Set Points The heating set point for Occupied 1 will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the heating set point until the desired temperature is shown The range of acceptable values is 35 to 99 F 1 to 37 C Press the M ode button to con tinue See Fig 5 The cooling set point for Unoccupied will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the cooling set point until the desired temperature is shown The range of acceptable values is 35 to 99 F 1 to 37 C or OF no unoccupied cool ing Press the M ode button to continue The heating set point for Unoccupied will be dis played Use the UP ARROW and DOWN ARROW but tons to raise or lower
8. e variable can be configured ON or OFF The default is OFF NOTE Step 5 will appear only if Step 3 is set to OFF C Deadband Step 6 The deadband is the difference in temperature above the cooling set point or below the heating set point that the ther mostat will wait before turning on the first stage of heat ing or cooling For example if the cooling set point is 82 F 28 C and the deadband is 2 degrees the first stage of cool ing will not be energized until the temperature reaches 84 F 30 C The range of values is 1 to 6 degrees The default is 2 degrees D Set Point Minimum Difference Step 7 The minimum difference between heating and cooling set points can be user configured The range is from 0 to 6 degrees The default is 2 degrees The minimum difference is enforced dur ing Auto Changeover and Program On operation E Cycles Per Hour Limit Step 8 The number of times that heating or cooling can be ener gized per hour can be configured Set the variable to d for nolimit Set the variable to d1 to disable the 5 minute com pressor lockout The variable can also be set from 2 to 6 cycles per hour The default is 6 cycles per hour A CAUTION Damage to compressor could result if 5 minute compressor lockout is disabled or compressor is allowed unlimited cycles Do not set thermostat Advanced Setup Step 8 to d or dl unless specifically recommended for the application F Backlight Display
9. ed Setup mode NOTE Advanced Setup Steps 1 and 2 are configured with the Set Clock button and are not accessed through the advanced setup screens A Heat Pump Configuration Steps 3 and 4 To set the thermostat for heat pump operation Advanced Setup Step 3 must be configured to ON Use the UP and DOWN ARROW buttons to configure the step The default is OFF Press the Mode button to continue to Step 4 Step 4 is used to set the reversing valve polarity for the heat pump The vari able can be set to either B or O Set the reversing valve polarity tothe correct value depending on the application The default is O NOTE Step 4 will appear only if Step 3 is set toON Step 5 will appear only if Step 3 is set to OFF Table 2 Advanced Setup Configuration STEP DESCRIPTION RANGE DEFAULT 12 00 AM Time of Day 11 59 PM 12 00 AM Sunday through Day of the Week Saturday Off On Reversing Valve 0 OHOn Deadband 1 6 degrees Forced Minimum Temperature Difference TOGE reS Cycles per Hour d d1 2 6 6 Thermoglow Backlight Off On On Reset Service Filter Icon Service Filter Temperature Units Security Level Maximum Allowable 5 99F 1 87 0 80 F 270 Minimum Allowable Cooling Set Point 35 99 F 1 37 C 65 F 18 C Accessed and configured through the Set Clock button B Electric Heat Configuration Step 5 Step 5 is used to configure the thermostat for electric heat Th
10. ensitivity place the thermostat in Pro gram On mode The thermostat should be in Occupied 1 when the lights are on If the sensor does not enter Occupied 1 while the lights are on turn the screw clockwise until the Occu pied 1 icon appears on the display The thermostat should enter Unoccupied mode when the lights are off If the sensor does not enter Unoccupied when the lights are turned off turn the screw counterdockwise until the Unoccupied icon appears on the display IMPORTANT An external device should not be used with the dry contact switch with light activated operation The light sensor is wired to the dry contact switch Another device will cause conflicting signals to the thermostat The RED wire of the sensor is wired toCK1 The BLACK wire of the sensor is wired to CK2 X CHECK THERMOSTAT OPERATION To check thermostat operation perform the following procedure 1 Press the Mode button repeatedly until the Heat icon appears on the display The thermostat is now in Heat ing mode Press the Fan button The Fan Auto icon will appear on the display screen Press the UP ARROW button until the heating set point is 10 F 6 C higher than the cur rent room temperature Heating and fan should be energized Press the Mode button repeatedly until the Cool icon appears on the display The thermostat is now in Cool ing mode Press the DOWN ARROW button until the cooling set point is 10 F lower than the current room temperature Co
11. ermostat turn off all power to the unit There may be more than one power disconnect Electrical shock can cause injury or death 1 2 Turn off all power to unit If an existing thermostat is being replaced a Remove existing thermostat from the wall b Disconnect wires from existing thermostat Do not allow wires to fall back into the wall As each wire is disconnected record wire color and terminal connection c Discard or recycle old thermostat NOTE Mercury is a hazardous waste and must be disposed of properly 3 5 6 Remove the thermostat cover from wall plate mount ing base to expose mounting holes See Fig 1 With the thermostat facing forward press the back plate on the left hand side top corner to release the two prongs holding on the cover Pull off the cover when the prongs have been disengaged Route thermostat wires through large hole in mount ing base Remove outer sheath from wires for added flexibility Standard solid or multi conductor thermo stat wire should be used from the thermostat to the unit Size and length considerations are as fol lows for a maximum distance from unit of 36 ft use 22 AWG American Wire Gage wire for a maxi mum distance from unit of 100 ft use 18 AWG wire Level mounting base against wall and mark wall through the 2 mounting holes in base Drill two e in mounting holes in wall where marked A WARNING Be careful not to drill into wiring in wall
12. installation start up and service instructions TEMPSURE COMMERCIAL THERMOSTAT P N TSTATBBP220 LA CONTENTS Page SAFETY CONSIDERATIONS 20005 1 GENERAL irane aipa ane ipa true ie tates 1 INSTALLATION ooe ai we aa eee 1 6 Il Select Thermostat Location 1 ll Install Thermostat 0 cee eae 2 Ill Set Clock 0 0 cece eee 3 IV Heat Pump Configuration 3 V Configure Advanced Setup 3 Vi Install Accessories 00 cee eee 4 Vil Program Thermostat Schedules 4 Vill Calibrate Temperature Sensor 6 IX Light Sensor Adjustment 6 X Check Thermostat Operation 6 XI Final Checklist 0000 c eae 6 OPERATION o Ai gr AAAA E Laced andi cin acdc ates 7 I Auto Changeover 0 cee eeeeae 7 ll Light Activated Operation 7 lll Two Stage Operation 05 7 IV Clock Backup 0 00 cee eee eee 7 V Fan Operation 0 0 00 cece eee eee 7 VI Emergency Heat 0 cece eee eee 7 VII Electric Heat 2 0 eee eee 7 Vill Holiday Mode 0000s eee eee eee 7 IX Keypad Lock 0 cece eee 7 TROUBLESHOOTING 0 000 cee eee eee 8 IMPORTANT Read entire instructions before starting the installation SAFETY CONSIDERATIONS Read and follow manufacturer instructions carefully F ollow al
13. l local electrical codes during installation All wiring must conform to local and national electrical codes Improper wir ing or installation may damage thermostat Recognize safety information This is the safety alert sym bol A When the safety alert symbol is present on equip ment or in the instruction manual be alert to the potential for personal injury Understand thesignal words DANGER WARNING and CAU TION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signi fies a hazard which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or property damage II TSTAT 8 11 1 98 Cancels New GENERAL The 7 day commercial programmable thermostats are wall mounted low voltage thermostats which maintain room tem perature by controlling the operation of an HVAC heating ventilation and air conditioning system Separate heating and cooling set points and auto changeover capability allow occupied and unoccupied programming for energy savings All thermostats allow up to 4 time temperature settings to be programmed per 24 hour period Each thermostat stores programs for 7 independent days Batteries are not required During power interruption the internal NEVERLOST memory stores programmed schedules for an unlimited time while the clock continue
14. n unit runs in reverse or heating is always on thermostat is turned OFF Copyright 1998 Bryant Heating amp Cooling Systems CATALOG NO 809 683
15. nge the copy command to NO Press the Mode button when the choice has been made See Fig 7 If NO was selected the schedule will automatically change to the next day and the user must enter the oc cupied and unoccupied schedules for that day NOTE Occupied 1 schedule heating and cooling set points are the same for each day Occupied 2 and 3 set points may be set to different values for each day of the week If YES was selected the schedule will be copied to the next day The schedule copy may be repeated until Sun day is reached The Sunday schedule cannot be copied to Monday NO o ee LL py Fig 7 Copy Command Display 12 After all the times and set points for each day have been entered press the Program button to exit pro gramming mode NOTE The thermostat will continue to follow the schedule until a new one is entered If only one occupied schedule is selected the Occupied 2 and 3 schedules are skipped If the start time is set later in the day than the stop time the program will run from midnight of that day to the stop time and then from the start time to midnight If the same start and stop times are programmed for an occupancy schedule the thermostat will be in Occu pied mode for 24 hours If one occupied period starts or stops within another occupied period the lower numbered sched ule has priority For example if schedule Occupied 3 is run ning for 24 hours and Occupied 2 schedule comes on f
16. oliday mode before the remaining config ured days have passed press the Holiday button to enter into the configuration mode Press the DOWN ARROW to set the number of days to zero Holiday mode will be disabled IX KEYPAD LOCK To prevent unauthorized use of the thermostat the front panel buttons can be disabled To disable or lock the keypad press and hold the Mode button While holding down the M ode but ton press the UP and DOWN ARROW buttons simulta neously The Locked icon will appear on the display The thermostat is unlocked by performing the same proce dure Press and hold the Mode button While holding down the Mode button press the UP and DOWN ARROW buttons simultaneously The Locked icon will be removed from the display TROUBLESHOOTING Table 4 Thermostat Troubleshooting SOLUTION Display on thermostat not illuminated Check for 24 vac at the R terminal connection Terminal R must be connected for proper thermostat operation Service Filter is displayed on thermostat After the configured number of blower operating hours the Service Filter message will be displayed This reminds the owner to re place the filter Reset the Service Filter feature to reset the blower operation timer to 0 hours Cooling will not energize Select COOL mode Decrease cooling set point to 10 degrees below room temperature Check for 24 vac at Y1 terminal If present thermostat is operating correctly and problem i
17. oling and fan should be energized Press the Mode button repeatedly until the Off icon appears Press the Fan button until the display reads Fan On The fan should energize If heating cooling or fan operation do not work check wiring and consult Table 4 XI FINAL CHECKLIST 1 Put away tools and instruments Clean up debris and packaging 2 Review Owner s Guide with occupant or owner 3 Leave the manuals with owner OPERATION The Mode button selects the operating mode of the thermo stat If OFF is selected the thermostat will not enter H eat ing or Cooling mode If HEAT is selected the thermostat will only enter Heating mode if the room temperature is below the heating set point If COOL is selected the thermostat will only enter Cooling mode if the room temperature is above the cooling set point If AUTO is selected the thermostat will enter Heating or Cooling mode based on the room tempera ture and the heating and cooling set points If PROGRAM ON is selected the stored schedule is enabled and the ther mostat will follow the Occupied and Unoccupied schedules stored in its memory AUTO CHANGEOVER When the thermostat mode is set to AUTO the thermo stat will provide automatic changeover from H eating to Cool ing mode and Cooling to Heating mode when required The thermostat will automatically switch to maintain the desired temperature setting The thermostat does not need to be manu ally changed from heating to
18. rogram On mode is always in effect and set point changes are prohib ited The default is 0 4 Security Maximum Heat Set Point Step 14 If the Security Level is not set to 0 the maximum heating set point will be in effect The user will not be allowed to set the heating set point over the specified value The range of values is 35 to 99 F 1 to 37 C The default is 80 F 27 C Security Minimum Cool Set Point Step 15 If the Security Level is not set to 0 the minimum cooling set point will be in effect The user will not be allowed to set the cooling set point below the specified value The range of val ues is 35 to 99 F 1 to 37 C The default is 65 F 18 C VI INSTALL ACCESSORIES The following accessory can be used with this thermostat Add a Wire accessory TSTATBBPACC AW Refer to the accessory installation instructions for the acces sory for more information Vil PROGRAM THERMOSTAT SCHEDULES Before programming thethermostat plan the thermostat daily schedule The schedule is divided into 7 days Monday through Sunday Each day has from 2 to 4 time periods Occupied 1 Occupied 2 Occupied 3 Unoccupied depending on the con figuration of the thermostat Each occupied time period has a start time stop time heating set point and cooling set point The unoccupied time period has a heating set point and a cooling set point The unoccupied time period is active when ever an occupied time period is not ac
19. rom 1 to 3 PM the set points from Occupied 2 are in effect from 1to3 PM B Overriding the Schedule The schedule can be overridden by pressing the UP or DOWN ARROW buttons to change the desired temperature The ther mostat will use the new set point until the next scheduled time period starts Vill CALIBRATE TEMPERATURE SENSOR Every thermostat is factory calibrated Under normal circum stances there will never be a need to recalibrate the ther mostat If re calibration must be done perform the following procedure 1 Hold down the Mode and Fan buttons for 5 seconds All of the icons on the display screen will appear Release the buttons Press the UP and DOWN ARROW buttons simultaneously Press the UP and DOWN ARROW buttons simul taneously again The current temperature will be displayed Use an accurate thermometer to measure room tem perature Press the UP or DOWN ARROW buttons un til the number equals room temperature 4 Press the Mode button to return to normal operation IX LIGHT SENSOR ADJUSTMENT The light sensor is used for light activated operation The sen sor can be adjusted for a variable degree of sensitivity The sensitivity adjustment screw is located on the inner cover of thethermostat near the DOWN ARROW button Turning the screw clockwise increases the sensitivity of the sensor to light Turning the screw counterclockwise decreases the sensitivity of the sensor to light To check for correct s
20. s to run for at least 48 hours The thermostat can be configured to accept several different equipment configurations including heat pump operation NOTE The thermostat is not factory configured for use in heat pump applications The advanced setup must be per formed to configure the thermostat for use with heat pump units A light sensor is provided on the thermostat for light activation When the sensor detects light the space is occupied the thermostat will enter Occupied 1 mode If the room is dark the thermostat will follow its programmed schedule INSTALLATION I SELECT THERMOSTAT LOCATION The thermostat should be mounted approximately 5 ft from the floor close to or in a frequently used room preferably on an in side partitioning wall on a section of wall without pipes or ductwork where temperature operating limits are within 41 to 104 F 5 to 40 C where humidity operating range is within 0 to 95 rela tive humidity non condensing The thermostat should NOT be mounted e close to a window on an outside wall or next to a door leading to the outside e where exposed to direct light and heat from a lamp the sun a fireplace or any other temperature radiating object which may cause a false reading e close toor in direct airflow from supply registers or return air grilles e in areas with poor air circulation such as behind a door or in an alcove ll INSTALL THERMOSTAT A WARNING Before installing th
21. s with wiring or equip ment If 24 vac is not present replace the thermostat Check for Compressor Cycle per Hour Limit Cooling may be locked out Heating will not energize Select HEAT mode Increase heating set point to 10 degrees above room temperature Check for 24 vac at W1 O B terminal If present thermostat is operating correctly and problem is with wiring or equip ment If 24 vac is not present replace the thermostat When using 4 wires R G W Y the cooling equip There is not enough power available Connect a 270 ohm 10 watt ment tries repeatedly to turn on but cannot At power resistor at the air conditioning equipment between terminals times the display dims or disappears W and C non heat pump applications only When using 4 wires R G W Y the heating equip There is not enough power available Connect a 270 ohm 10 watt ment tries repeatedly to turn on but cannot At power resistor at the air conditioning equipment between terminals times the display dims or disappears Y and C non heat pump applications only When controlling a heat pump heat comes on Configure thermostat for heat pump operation Table 2 Step 3 during cooling cycle When calling for cooling both heating and cool The thermostat is configured for a heat pump Configure the ing are energized thermostat for non heat pump operation Table 2 Step 3 When controlling a commercial heat pump unit Commercial heat pumps require that Heat Pump Option o
22. the heating set point until the desired temperature is shown The range of acceptable values is 35 to 99 F 1 to 37 C or OF no unoccupied heating Press the M ode button to continue The day of the week will be shown Use the UP ARROW and DOWN ARROW buttons to change the day of the week until the desired starting day is shown Possible choices are M Monday through S Sunday Press the M ode button when the desired day is shown The Start Time for Occupied 1 will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the time until the desired Start Time is shown Press the Mode button to continue See Fig 6 5 8 9 10 11 Start occupied1 Log M Fig 6 Start Time Display The Stop Time for Occupied 1 will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the time until the desired Stop Time is shown Press the Mode button to continue The On Off icon will be displayed Use the UP ARROW toturn the Occupied 1 period ON for this day Usethe DOWN ARROW toturn the Occupied 1 period OFF for this day Repeat Steps 2 through 9 to program the remaining schedule for Occupied periods 2 and 3 The Copy command can be used to copy the previous day s schedule if the schedules are the same The copy command becomes available after all the occupied periods are programmed in a day Use the UP ARROW to change the copy command to YES Use the DOWN ARROW to cha
23. tive Fill in Table 3 as an aid to programming the daily schedules NOTE When thesensor detects light the space is occupied the thermostat will enter Occupied 1 mode If the room is dark the thermostat will follow its programmed schedule The Occupied 1 schedule should be turned OFF to keep the thermostat from entering Occupied 1 while the room is un occupied If the Occupied 1 schedule is turned ON the ther mostat will enter Occupied 1 per the schedule regardless of light activation The Occupied 1 set points are used as the heating and cooling set points during light activation The Unoccupied set points should be used as non work hour set points before 8 00 AM and after 5 00 PM when using light activation For times when the building is unoccupied during work hours Monday through Friday 8 00 AM to 5 00 PM the Occupied 2 schedule should be turned ON and can be used for moderate energy savings with set points of 80 F for cooling and 65 F for heating A Programming Mode To program the daily schedules perform the following procedure 1 Enter programming mode by pressing the Program but ton The Occupied 1 annunciator will appear on the ther mostat display Use the UP ARROW and DOWN ARROW buttons to set the maximum number of Occupied periods for each day The thermostat can be set to 1 2 or 3 After the number of Occupied periods has been selected press the Mode button See Fig 5 2 The cooling set point for Occupie
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