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Saswell SAS900STK-2, Operating Instruction

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Saswell SAS900STK-2 Operating Instruction Download Page 11

10

BATTERY OPERATION

The thermostat will operate from 2 size “AAA” alkaline batteries or 24VAC power. When
operated from batteries, connection to the “C” (common) or (neutral) terminal is not
required.
NOTE: When operated from batteries (No “C” terminal connection), the LCD display
backlight options are limited to option 1 (disabled) or option 2 (30 second illumination
after each button press).

Wiring Diagrams

Summary of Contents for SAS900STK-2

Page 1: ...1 OPERATING INSTRUCTION SAS900STK 2...

Page 2: ...ible with heat pump system Installation and Operation Manual Specification Power Supply 20VAC 30VAC 50 60HZ or Battery powered Terminal Load 1 0A per terminal 3 0A maximum total load Set Point Tempera...

Page 3: ...N and AUTO Permanent user setting retention during power loss No batteries are required Operates from 24VAC or from 2 size AAA alkaline batteries Optional temperature display of Fahrenheit or Celsius...

Page 4: ...oving cleaning or servicing this thermostat Read all of the information in this manual before installing this thermostat Use a professional contractor to install this thermostat This is a 24VAC low vo...

Page 5: ...jury Replace batteries when the battery icon indicates the low battery message Change the Air Filter when the Filter Change Icon begins blinking Use this thermostat only as described in this manual RE...

Page 6: ...the cover of the old thermostat This should expose the wires 4 Label the existing wires from the existing thermostat before removing 5 After labeling the wires remove the wires from the wire terminals...

Page 7: ...Shock Hazard Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to the OFF position before removing the existing thermostat 1 Turn off power to...

Page 8: ...d through the wire opening in the base of the thermostat 6 Mark the placement of the mounting holes 7 Move the base out of the way Drill mounting holes Use a hammer to tap in the supplied anchors into...

Page 9: ...to the proper terminal CAUTION Installing batteries backwards can damage the thermostat 11 Install two fresh AAA alkaline batteries in the battery compartment Be sure to match positive ends of batteri...

Page 10: ...plication contact a qualified service person This thermostat is configured from the factory to energize the fan on a call for heat If your system is an electric heat or heat pump that REQUIRES the the...

Page 11: ...er When operated from batteries connection to the C common or neutral terminal is not required NOTE When operated from batteries No C terminal connection the LCD display backlight options are limited...

Page 12: ...11...

Page 13: ...ch to the OFF position If your system does not have a G Fan terminal connection skip to the Heating System 1 Move the fan switch to the ON position The blower should begin to operate 2 Move the fan sw...

Page 14: ...all for heat at 1 5 F 1 5 C below set point and turn off at set point When the thermostat calls for heat the display will show Heat On If the Heat On display is flashing the compressor lockout feature...

Page 15: ...When the SL ow cool cycle rate is selected the thermostat will call for cooling at 1 5 F 1 5 C above set point and turn off at set point When the thermostat calls for cooling the display will show CO...

Page 16: ...onths before the batteries are expected to expire Then the thermostat will cut power to the heating cooling system Important Replace the batteries when the low battery message flashes on the display T...

Page 17: ...he positive ends of the batteries with the positive terminals marked in the battery compartment 5 It may take as long as 30 seconds for the Low Battery Icon to Disappear after changing batteries CAUTI...

Page 18: ...move to the next menu item or press TIME to return to a previous menu item To revert to factory default settings press the RESET button See Fig 1 All user s changed settings will revert to factory de...

Page 19: ...18...

Page 20: ...preference FA cycles the system at a 0 5 F 0 5 C differential and SL cycles the system at 1 5 F 1 5 C 2 Select heating cycle rate The FA setting is used to produce shorter heating cycles The SL settin...

Page 21: ...ght The display backlight improves display contrast in low lighting conditions Select 1 for NO backlight display Select 2 for the backlight to come on for approximately 30 seconds when any button of t...

Page 22: ...th increments Selection of 00 WILL CANCEL THIS FEATURE When Filter Alarm is displayed you can clear it by pressing the F button To enter filter program and then hold the and buttons This resets the ti...

Page 23: ...from short cycling you can select compressor off time cycle between 0 or 5 minutes When the thermostat compressor time delay occurs the Cool On or Heat On display will flash during compressor lockout...

Page 24: ...til the temperature you want to maintain is shown on the right side of the display If you want to turn the system off just move the SYSTEM switch to the OFF position and the FAN switch to the AUTO pos...

Page 25: ...reach the correct day of the week Press the TIME button again The display will now indicate the correct time and day of the week 3 Filter timer a When in configuration the selections are in months eac...

Page 26: ...ostat will control the room temperature at the selected setting until you press the RUN button to restart the program operation 2 Temperature Override When in the program RUN mode Press the and button...

Page 27: ...program will suit your needs simply press the RUN button to begin running the factory preset program If you wish to change the preprogrammed time and temperature follow these steps Determine the time...

Page 28: ...me and temperature and also choose 7 00 AM and 76 F as the weekday 1st period cooling start time and temperature Use the table below to plan your program time periods and the temperatures you want dur...

Page 29: ...to the HEAT position 2 Press PRGM once PRGM SETTING will display and MON TUE WED THU FRI indicating weekday program will appear in the display flashing Also displayed are the current programmed start...

Page 30: ...ature 5 Press PRGM once The currently programmed start time and set point for the 2nd heating program will appear 6 Repeat steps 3 and 4 to select the start time and heating temperature for the 2nd he...

Page 31: ...de temperature is below 50 F disconnect power to the cooling system before programming Energizing the air conditioner compressor during cold weather may cause property damage 1 Move the SYSTEM switch...

Page 32: ...PRGM the next heating period time and temperature will be displayed in sequence for weekday then Saturday and Sunday program periods you may change any time or temperature during this procedure 3 Pre...

Page 33: ...g configuration settings Troubleshooting If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by pressing the reset button...

Page 34: ...33 Thermostat Buttons and Switches...

Page 35: ...and selects options in the configuration menu 3 Inquiry button for count back time of filter alarm 4 Time set Button 5 Program Set button 6 Program RUN button 7 Temperature HOLD button 8 Fan Control S...

Page 36: ...35 THERMOSTAT LCD DISPLAY...

Page 37: ...Setting Temperature set point in the Heating Mode Cool Setting Temperature set point in the Cooling Mode 14 Set point temperature display 15 Indicates thermostat is calling for heat in the HEAT PUMP...

Page 38: ...e PRGM mode 24 Indicates the current actual room temperature or the current configuration menu number 25 Indicates whether the displayed temperature is in F or C Troubleshooting If a voltage spike or...

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Page 43: ...fferent period Prior to returning this product to us the purchaser shall give us notice in writing stating how this product fails to fulfill this warranty No product shall be accepted for repair or re...

Page 44: ...not deterioration of nor damage to the product caused by the use of faulty batteries WE SHALL NOT IN ANY EVENT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES This warranty gives you specific l...

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