Carrier AQUAZONE 50QE900 User's Manual
Contents
1. 50QE900 Aquazone Water Source Heat Pump Commercial Light Activated Programmable Thermostat Owner s Manual Part Number 50QE900 220LA CONTENTS Page GENERAL bebo a ance sec oet dus l CONFIGURATION 1 4 Thermostat Display 1 Heat or Cool Indicator 1 Thermostat Front Panel Buttons 1 Thermostat Programming Buttons 2 Det CLOCK ech pave oe ahaa tance takeout 2 Programming Thermostat Schedules 3 OPERATION 4 5 Auto Changeover 4 Light Activated Operation 4 Two Stage Operation 4 Clock Backup 4 Fan Operation 4 Emergency Heat 5 Holiday Mode 5 IMPORTANT Read entire instructions before program ming the thermostat GENERAL Carrier s Aquazone 7 day commercial programmable ther mostats are wall mounted low voltage thermostats which maintain room temperature by controlling the operation of an HVAC heating cooling and ventilation system Separate heating and cooling set points and auto changeover capability allow occupied and unoccupied programming schedules for energy savings All thermostats allow up to 3 occupied and one uno2. DOWN ARROW to change 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 occu pied 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 After all the times and set points for each day have been entered press the Program button to finish entering the schedule Fig 7 Copy Command Display NOTE The thermostat will continue to follow the sched ule until a new one is entered f 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 Occupied mode for 24 hours If one occupied period starts or stops within another occupied period the lower numbered schedule has pri ority For example if schedule Occupied 3 is running for 24 hours and occupied schedule 2 comes on f
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4. Schedule Planner DAY SCHEDULE OF THE Occupied 1 Occupied 2 Occupied 3 Unoccupied WEEK Start Stop Heat Cool Start Stop Heat Cool Start Stop Heat Cool Monday Tuesday Wednesday Thursday Friday Saturday Heat Cool Sunday pot NOTE The cooling temperature set point must be higher than the heating temperature set point 4 10 11 12 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 OE Start I M occupied1 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 The On Off icon will be displayed Use the UP ARROW to turn the Occupied 1 period ON for this day Use the DOWN ARROW to turn the Occupied 1 period OFF for this day Repeat Steps 2 through 9 to program the remaining schedule for occupied periods 2 and 3 if selected in Step 1 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 peri ods are programmed in a day Use the UP ARROW to change the copy command to YES Use the
5. below as an aid to programming the daily schedules NOTE 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 The Occupied 1 schedule should be turned OFF to keep the ther mostat from entering Occupied 1 while the room is unoccu pied If the Occupied 1 schedule is turned ON the thermostat will enter Occupied 1 per the schedule regardless of light acti vation 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 PROGRAMMING MODE To program the daily sched ules perform the following procedure Enter Programming mode by pressing the Program button The Occupied 1 annunciator will appear on the thermostat display See Fig 5 Use the UP ARROW and DOWN ARROW buttons to set the maximum number of Occupied periods available The thermostat can be set to 1 2 or 3 After the number of Occupied periods has been selected press the Mode button 2 The cooling set point for Occupied 1 will be displaye
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7. to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 PC 111 Tab 5a 5a Catalog No 535 00110 Printed in U S A Form 50QE 3SO Pg 1 6 03 Replaces New OVERRIDE BUTTON The Override button is used to force the thermostat from Unoccupied mode into the Occu pied 1 mode comfort settings The Override period will be set at 30 minutes To increase the amount of time in Override mode press the Override button again Thirty minutes of over ride time will be added for each time the Override button is pressed up to a maximum of 4 hours After the 4 hour limit has been reached press the Override button again to cancel over ride mode While in Override mode the Override icon and the Occu pied 1 icon will be displayed on the thermostat The time of day and the minutes remaining in Override mode will alternate on the thermostat display The set points are adjustable with the UP ARROW and DOWN ARROW keys during Override mode NOTE If the thermostat is in Occupied mode and the Override button is pressed the thermostat will go into Unoccupied mode immediately The thermostat will remain in Unoccupied mode until the next Occupied start time Thermostat Programming Buttons The thermo stat has programming buttons which are used to change the set points of the thermostat set the modes and program schedules The programming buttons are accessible from underneath
8. ICATOR CLOCKS c N COOLING DAY OF le Oen ProgramOn Setup 7 r SET POINT THE WEEK L I L I Pm StopStart Locked COOLING S FS unoccupied123 M ENG SERVICE FILTER O CooL MODE INDICATOR ServiceFil lt D INDICATOR AUTO ter Override OVERRIDE AUTO MDE T QEF MODE INDICATOR INDICATOR HEAT 5 HEATING OFF MODE I MODE INDICATOR INDICATOR _ Fan On GD ap Lc HEATING FAN SET POINT OPERATION ROOM TEMPERATURE Fig 1 Thermostat Display Heat or Cool Indicator A Heat or Cool indicator is located on the bottom left cover of the thermostat See Fig 2 The light will be red if the thermostat is in Heating mode The light will be green if the thermostat is in Cooling mode Thermostat Front Panel Buttons The thermostat has buttons on the front cover which are used to raise or lower the desired set point and override the current program See Fig 2 SET POINT BUTTONS The UP ARROW and DOWN ARROW buttons will raise or lower the current desired tem perature set point If the thermostat is in AUTO mode pressing the UP ARROW or DOWN ARROW buttons will adjust both the heating and cooling set points Pressing the UP ARROW or DOWN ARROW buttons in Cooling mode will adjust only the cooling set points Pressing the UP ARROW or DOWN ARROW buttons in Heating mode will adjust only the heating set points The UP ARROW and DOWN ARROW buttons are also used in Programming mode Manufacturer reserves the right
9. ccupied time temperature setting to be programmed per 24 hour period Each thermostat stores programs for 7 independent days Batteries are not required During power interruption the inter nal NEVERLOST memory stores programs for an unlimited time IMPORTANT The thermostat has a configurable security level If certain functions are not available changing set points changing programming schedules the thermostat security level may be configured to exclude those func tions Call the installer to reconfigure the security level A light sensor is provided on the thermostat for light activa tion When the sensor detects light the space is occupied the thermostat will enter Occupied mode If the room is dark the thermostat will follow its programmed schedule CONFIGURATION Thermostat Display The thermostat display is locat ed in the center of the thermostat See Fig 1 The following information can be displayed on the screen mode OFF HEAT COOL AUTO or PROGRAM ON fan setting FAN ON or blank override indication room temperature desired temperature service filter indicator time of day day of the week schedule period Occupied 1 2 or 3 or Unoccupied setup indicator Programming mode lock indicator start stop indicator schedule period Programming mode PROGRAM ON ODE SETUP MODE INDICATOR INDICATOR START STOP OCCUPIED TIMES PROGRAMMING SECURITY UNOCCUPIED MODE INDICATOR INDICATOR IND
10. d Use the UP ARROW and DOWN ARROW buttons to raise or lower the cooling set point until the desired tem perature is shown The range of acceptable values is 35 to 99 F 1 to 37 C Press the Mode button to continue See Fig 5 3 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 tem perature is shown The range of acceptable values is 35 to 99 F to 37 C Press the Mode button to continue See Fig 5 occupied1 Fig 5 Setting Occupied 1 Set Points 4 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 tem perature is shown The range of acceptable values is 35 to 99 F 1 to 37 C or OF no unoccupied cooling Press the Mode button to continue 5 The heating set point for Unoccupied will be displayed Use the UP ARROW and DOWN ARROW buttons to raise or lower the heating set point until the desired tem perature is shown The range of acceptable values is 35 to 99 F 1 to 37 C or OF no unoccupied heating Press the Mode button to continue 6 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 Mode button when the desired day is shown Table 1 Daily
11. e fan is not set to FAN ON no icon displayed on thermostat screen the fan will run during heating and cooling operation only MODE BUTTON OPERATION The Mode button se lects the operating mode of the thermostat If OFF is selected the thermostat will not enter Heating or Cooling mode If HEAT is selected the thermostat will only enter Heating mode f 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 Cool ing mode based on the room temperature and the heating and cooling set points If PROGRAM ON is selected the stored schedule is enabled and the thermostat will follow the Occu pied and Unoccupied schedules stored in its memory Auto Changeover When the thermostat mode is set to AUTO the thermostat will provide automatic changeover from Heating to Cooling 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 manually changed from heating to cooling or cooling to heating operation HOLIDAY MODE The Holiday button places the thermo stat into Holiday mode During Holiday mode the unoccupied set points are enforced The number of days the thermostat will be in Holiday mode can be set Set Clock The Set Clock button allows the
12. for light activation The thermostat must be in Program On mode for light activation to be initiated When the sensor detects light the space is occupied the ther mostat will enter into Occupied 1 mode and heat or cool ac cording to the Occupied 1 set points If the room is dark the thermostat will follow its programmed schedule NOTE Light activation does not work in Holiday mode Two Stage Operation The second stage of heat or cool is turned on when the first stage has been on for a mini mum of 2 minutes and the temperature differential from the set point is equal to or greater than the set point plus the deadband plus 2 degrees Clock Backup In the event of a power loss the ther mostat will keep time for a minimum of 48 hours without ex ternal power or batteries 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 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 displayed During emergency heat the fan will operate and the second stage of heat will be energized locking out the first stage c
13. ompressor To exit emergency heat press and hold the Fan button While holding the Fan button press the UP button for 2 seconds Dur ing emergency heat only OFF and HEAT modes are available Holiday Mode When the thermostat is in Holiday mode the thermostat will operate under Unoccupied set points To configure and activate the Holiday mode press the Holiday button The HOL icon will be displayed along with the remaining days of Holiday mode operation Press the UP or DOWN ARROWS to select the number of days that the holi day schedule will be in effect A value of 0 disables Holiday mode The duration can be set from 1 to 99 days The thermo stat 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 The Dry Contact Switch is ignored To turn off the Holiday mode before the remaining config ured days have passed press the Holiday button to enter the configuration mode Press the DOWN ARROW to set the number of days to zero Holiday mode will be disabled yonpoid eu ym perddns saoao Ajue1reM sayo Aue sepesiedng e66 Aenuer aye paunjoejnuew sjonpoud uo eAnogj3 829 608 ON SO TV VO eje1s 0j 9je1s WO1 AueA uoIuM si
14. rom 1 to 3 PM the set points from Occupied 2 are in effect from 1 to 3 PM OVERRIDING THE SCHEDULE The schedule can be overridden during operation 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 OPERATION The Mode button selects the operating mode of the thermo stat If OFF is selected the thermostat will not enter Heating or Cooling mode If HEAT is selected the thermostat will only enter Heating mode if the room temperature is below the heat ing set point If COOL is selected the thermostat will only en ter Cooling mode if the room temperature is above the cooling set point If AUTO is selected the thermostat will enter Heat ing or Cooling mode based on the room temperature and the heating and cooling set points If PROGRAM ON is selected the stored schedule is enabled and the thermostat will follow the Occupied and Unoccupied schedules stored in its memory Auto Changeover When the thermostat mode is set to AUTO the thermostat will provide automatic changeover from Heating to Cooling 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 manually changed from heating to cooling or cooling to heating operation Light Activated Operation A light sensor is pro vided on the thermostat
15. the thermostat cover To access the programming buttons pull on the hinged thermostat cover See Fig 3 The programming buttons are Mode Fan Holiday Program and Set Clock The UP ARROW and DOWN ARROW buttons are used to scroll through programming set points The buttons are also used to answer yes or no KEYPAD LOCK The thermostat has a keypad lockout feature which will not acknowledge front panel buttons until the lockout sequence is entered To disable or lock the keypad press and hold the Mode button While holding down the Mode button press the UP and DOWN ARROW buttons simulta neously The Locked icon will appear on the display BACKLIT LCD DISPLAY WARMER OR BUTTON COOLER OR BUTTON OVERRIDE BUTTON HEAT OR COOL INDICATOR Red Heat Green Cool SET CLOCK FAN PROGRAM Fig 3 Thermostat Programming Buttons 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 simulta neously The Locked icon will be removed from the display FAN BUTTON OPERATION The Fan button selects fan operation When the fan is set to FAN ON the fan will run con tinuously for improved air circulation NOTE When the thermostat is in Unoccupied mode the fan will run only during heating or cooling operation even if the fan is set to FAN ON this is the energy saving smart fan feature When th
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17. user to change the time and day displayed on the thermostat Press the Set Clock button to enter Set Time mode See Fig 4 The cur rent time will blink on and off Press the UP ARROW and DOWN ARROW buttons until the correct time is shown Hold down the buttons to quickly move through the time display The AM and PM annunciators will automatically change To scroll through by hours only press and hold down the Fan button while pressing the UP or DOWN ARROW buttons To ensure the schedules are properly followed make sure that AM or PM is correct for the time chosen When the correct time is shown press the Mode Next 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 Fig 4 Setting the Clock Programming Thermostat Schedules Before programming the thermostat plan the thermostat daily sched ule The schedule is divided into 7 days Monday through Sunday Each day can have 2 Occupied 1 Unoccupied 3 Occupied 1 Occupied 2 Unoccupied or 4 Occupied 1 Occupied 2 Occupied 3 Unoccupied time periods Each occupied time period has a start time stop time heating set point and a cooling set point The unoccupied time period has a heating set point and a cooling set point The unoccupied time period is active whenever an occupied time period is not active Fill in Table 1
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