Related Manuals for Source 1 S1-THSU303-S
Summary of Contents for Source 1 S1-THSU303-S
- Page 1 Residential S1-THSU303-S model Digital Thermostat with Humidity Control Optional accessories available, including Wi-Fi Owner’s Manual & Installation Instructions...
- Page 2 “OFF” prior to changing settings in setup or restoring Factory Defaults. This Source 1 thermostat has the ability to receive updates to its firmware. Periodically firmware updates are released by the manufacturer to add features and/or performance enhancements. This manual was produced reflecting the most current firmware/feature set at the time of publication, firmware rev.
- Page 3 Glossary of Terms Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. Cool Setpoint: The warmest temperature that the space should rise to before cooling is turned on (without regard to deadband). Deadband: The number of degrees the thermostat will wait, once a setpoint has been reached, before energizing heating or cooling.
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Page 4: Table Of Contents
Table of Contents GET TO KNOW YOUR THERMOSTAT Get to Know Your Thermostat ..............1 Quick Start .....................6 INSTALLATION INSTRUCTIONS Installation Instructions .................9 Sample Wiring Diagrams ..............13 Test Operation ..................16 USER SETUP Backlight Operation ................17 Scrolling Display Options ..............18 Programming Vacation & Away ............19 Emergency Heat ...................19 Wireless Module ...................20 Service Filter ..................21... -
Page 5: Get To Know Your Thermostat
Get To Know Your Thermostat Optional WiFi Module Backlit, Scrolling Display Backlit LCD Display Mode Button Heat or Cool Demand Indicator Red = Heat, Green = Cool Backlit Cooler & Warmer Buttons Setup Buttons Behind Door... - Page 6 Get To Know Your Thermostat Setup Buttons...
- Page 7 Get To Know Your Thermostat Display Features Program ONOFF 2nd3rd 18:88 Stage Setup Step Day Night Morning Evening Fan On Outdoor Program icon—Indicates that Time Period Programming is running or is enabled to be set. Clock with Day of the Week—Indicates the current time and day. This clock is also used to program the time period schedules.
- Page 8 Get To Know Your Thermostat Display Features Program ONOFF 2nd3rd 18:88 Stage Setup Step Day Night Morning Evening Fan On Outdoor 2nd and 3rd Stage icons Indicates what stage of cooling or heating is currently energized. Setup Step icon Indicates the step number when the thermostat Morning, Day, Evening &...
- Page 9 Get To Know Your Thermostat Display Features Program ONOFF 2nd3rd 18:88 Stage Setup Step Day Night Morning Evening Fan On Outdoor Fan On icon – Indicates constant, continuous fan operation. When Fan On is not lit - indicates the fan will only operate when necessary to heat or to cool.
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Page 10: Quick Start
Quick Start During Setup and Programming: Press the WARMER or COOLER buttons to modify the selection. Press the MODE button to advance and confirm through the setup steps. Setting the Clock and Day Not available when Wi-Fi module is present Press the SET CLOCK button. - Page 11 Quick Start Selecting your desired temperature AUTO-CHANGEOVER MODE —Pressing the WARMER or COOLER buttons in Auto mode will adjust both the heat and cool setpoints simultaneously. To adjust heat and cool setpoints individually, choose HEAT mode to adjust the heat setpoint and COOL mode to adjust the cool setpoint, then return to AUTO mode.
- Page 12 Quick Start Viewing the Temperature Sensors OUTDOOR OUTDOOR TEMP - Press the OUTDOOR button to view the current outdoor temperature. The high and low temperatures for the day will also be displayed. The high and low temperatures reset at 12:00 am. Press the OUTDOOR button again to return to normal operation.
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Page 13: Installation Instructions
Installation Instructions Remove and Replace the Old Thermostat To install the thermostat properly, please follow these step-by-step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. • Assemble tools: Flat-blade screwdriver, wire cutters, and wire strippers. - Page 14 Installation Instructions Wire Connections If the terminal designations on your old thermostat do not match those on the new thermostat, see the chart below or the wiring diagrams that follow. Wire from the Install on the old thermostat Function new thermostat terminal marked connector marked G or F...
- Page 15 Installation Instructions The Source 1 Thermostat Backplate To remove the thermostat backplate: Gently separate the display from the base by pulling first from one side, then the other until the two pieces unsnap. When stat is NOT mounted on wall...
- Page 16 Installation Instructions Check Dip Switches Ensure which switch is correct for your system. Dip switches are located on the back of the thermostat. ELEC RV=O RV=B GAS/ELEC HEATPUMP 1. When GAS/EL or HP is set for GAS/EL: This switch (GAS or ELEC) controls how the ELEC thermostat will control the Fan (G) terminal in heating mode.
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Page 17: Sample Wiring Diagrams
Installation Instructions Sample Wiring Diagrams Conventional Heating and Cooling Systems 3 Wire, Heat Only 4 Wire, Cool Only Residential & Commercial 1 Stage Heating Residential & Commercial 1 Stage Cooling. with no Fan. 24VAC Power 24VAC Power 24VAC Common 24VAC Common 1st Stage Cool W1/O/B 1st Stage Heat... - Page 18 Installation Instructions Sample Wiring Diagrams Heat Pump Systems 5 Wire, 1 Stage Cooling, 1 Stage Heat 6 Wire, 1 Stage Cooling, 2 Stage Heat Residential & Commercial Heat Pump with Residential & Commercial Heat Pump with O Reversing Valve O Reversing Valve 24VAC Power 24VAC Power 24VAC Common...
- Page 19 Installation Instructions Sample Wiring Diagrams Humidification or Dehumidification Humidification System W1/O/B DEHUM Dehumidification Terminal DEHUM on Equipment Dry Contact and Aux Output Accessory control such as a sprinkler system W1/O/B DEHUM Accessory such as Time clock or door switch...
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Page 20: Test Operation
Installation Instructions: Test Operation The thermostat has a diagnostic feature that enables testing of all outputs. This feature is contained in the thermostat’s technician setup. To enter Technician Setup, press and hold the SETUP button for 10 seconds until all the icons appear. Follow the next steps to view settings and test equipment. 1. -
Page 21: User Setup Backlight Operation
User Setup - Backlight Operation How to Change Settings in the Setup Screens To enter Advanced Setup, press the SETUP button, then press MODE. Use the WARMER or COOLER buttons to adjust the value of your selection. Press MODE to advance to the next setup step. -
Page 22: Scrolling Display Options
User Setup - Scrolling Screen & Display Options Scrolling Display Method (setup step 21) This option allows the user to choose how the scrolling text is displayed. Options are: Scrolling Non-Scrolling Scroll Letters Slow Whole Words Slow Scroll Letters Fast Whole Words Fast Scrolling Non-Scrolling... -
Page 23: Programming Vacation & Away
User Setup Vacation & Away Settings VACATION The Vacation feature allows the thermostat to use temporary, energy saving setpoints without having to change regular programming. Clock The HOME/AWAY feature allows for a one button press to bring HOME | AWAY in your stored unoccupied vacation settings. -
Page 24: Wireless Module
User Setup Wireless Module Wireless Module The ACCESSORY STATUS button allows the user to view the status of wired and wireless accessories. For many of the wireless devices this status includes: Battery Level, Signal Strength, and Last Time Updated. If there is an optional wireless module installed, the ACCESSORY SETUP button allows the user to link or connect wireless devices to the thermostat, or... -
Page 25: Service Filter
User Setup - Service Filter These setup steps allow the user to monitor equipment runtimes and program service alerts. Service alerts are displayed in the scrolling marquee. Runtime hours or days appear in the clock display. Setup Step FAN ON | AUTO Press and hold FAN to clear service alert messages from the scrolling marquee. -
Page 26: Runtimes
User Setup - System Runtimes To view, set, or reset System Runtimes, press the SETUP button, then press MODE. Press MODE to advance to the desired setup step. Use the WARMER or COOLER buttons to adjust the value of your selection. Press SETUP again to leave the setup screens. -
Page 27: Time Period Programming
User Setup - Time Period Programming Programming a Daily Time Period Schedule* *not available when Wi-Fi module is present To enter Time Period Programming screens. Press and hold PROGRAM until the scrolling prompt appears. OFF - Time Period Program is off. RUN - Time Period Program is running. - Page 28 User Setup - Time Period Programming Programming a Daily Schedule (continued) This thermostat features four programmable time periods per 24 hour day: Morning, Day, Evening, and Night. The start time for each time period is adjustable. The stop time for each time period is the start time for the next period.
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Page 29: Installer Setup
Installer Setup How to Change Settings in the Setup Screens To enter Advanced Setup, press the SETUP button, then press MODE. Use the WARMER or COOLER buttons to adjust the value of your selection. Press MODE to advance to the next setup step. Press SETUP again to leave the setup screens. -
Page 30: Setpoint Limits
Installer Setup Setpoint Limits (setup step 22) When this feature is set to USE, the heat and cool setpoints can be restricted to preset levels, set in steps 23 and 24. Maximum Heat Setpoint (setup step 23) - (35˚ - 99˚). Minimum Cool Setpoint (setup step 24) - (35˚... -
Page 31: Timers And Deadbands
Installer Setup Deadband Settings (setup steps 32 - 41) The Deadband is the number of degrees or minutes that the thermostat waits before it initiates the stages of heating or cooling. 1st Stage Deadband (setup step 32) - Specifies the minimum temperature difference between the room temperature and the desired setpoint before the first stage of heating or cooling is allowed to turn on. -
Page 32: Programming Fan Operation
Installer Setup Programming the Fan (setup steps 42 - 45) Fan Program (Setup Step 42) - This feature allows the fan to be programmed to turn on automatically for a specified amount of time during the day. If this feature is set to ON, the next three steps will appear. Minutes of Fan Runtime Per Hour (Setup Step 43) - This setting specifies the number of minutes (0 - 60, in increments of 5) that the fan will run at the top of each hour. -
Page 33: Humidification & Dehumidification
Installer Setup Humidity and Dehumidity (setup steps 49-55, 80-82) Humidity Only With Heat (Setup Step 49) - When this step is set to ON, Humidity will not run without a demand for Heat. Fan With Humidity Demand (Setup Step 50) - Specifies if the fan should be turned on with a demand for Humidity. -
Page 34: Dual Fuel Operation
Installer Setup Lockout Heat Pump on Outdoor Temp (setup steps 56-57) This feature stops the heat pump from running below a specified outdoor temperature, where the heat pump has become inefficient or could damage equipment. A local outdoor sensor must be used for this feature to work. Lockout Heat Pump With Outdoor Temp (setup step 56) - When set to ON, the Heat Pump Lockout feature is enabled. -
Page 35: Remote Sensor Operation
Installer Setup Dual Fuel (cont.) Setup steps 61-63 will only appear if step 60 is set to ON. Dual Fuel Changeover on Outdoor Temp (setup step 61) - ON: the change from Heat Pump to a fossil fuel source of heat will be based on outdoor temperature. -
Page 36: Auxiliary Output
Installer Setup Auxiliary Output The thermostat is equipped with a programmable auxiliary output. This output can be configured to be controlled from a variety of sources. Aux Output Polarity (setup step 66) Specifies if the Auxiliary output will be Open (Normally Open) or Closed (Normally Closed). -
Page 37: Skyport
Installer Setup Auxiliary Output Programming By Temp If TEMP is selected for the Aux Output, the following setup steps will appear: Aux Output Temp Source (Setup step 73) - Specifies what temperature source will be monitored for controlling the programmable output. The options are: Thermostat - Temperature is monitored from the thermostat sensor. -
Page 38: Dry Contact Operation
Installer Setup Free Cooling (setup steps 75 - 76) To use Free Cooling, setup step 67 must be set to ‘FREE COOLING’ . Free Cooling is an energy saving way to boost the efficiency of your air conditioning system by bringing in fresh air from the outside. The installation of a Free Cooling damper and outdoor temperature sensor are required. - Page 39 Installer Setup - Automated Demand Response Overview Source 1 thermostats support the handling of specific signals from the utility provider. The utility generated signals carry pricing information and/or setback actions that alter the comfort settings of the thermostat in order to reduce energy usage on demand. This is known as Automated Demand Response or ADR for short.
- Page 40 Installer Setup - Automated Demand Response The Demand Response configuration page, shown below, is where the thermostat is configured to respond to the energy provider’s signals. It also sets operational parameters for the thermostat. The left column of the ADR configuration page allows or prevents access by the utility.
- Page 41 Installer Setup - Automated Demand Response Selecting the Overview tab of the ADR page will cause a summary of ADR events to be displayed.
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Page 42: Adr
Installer Setup - Automated Demand Response ADR (Setup step 85) Controls whether you want the thermostat to possibly respond to signals from the utility provider. Select ON to allow this and to have steps 86-92 appear. ADR Action (Setup step 86) Allows the user to determine what action is taken when an ADR event is received. - Page 43 Installer Setup - Automated Demand Response Cool Setpoint Offset (setup step 91) Heat Setpoint Offset (setup step 92) Specifies how much the current setpoints in effect prior to an event will be altered during an event when the ADR ACTION is set to OBSERVE SETPOINT OFFSETS.
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Page 44: Locking/Unlocking The Keypad
Installer Setup Locking/Unlocking the Keypad To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold the MODE button. While holding the MODE button, press the WARMER and COOLER buttons together. -
Page 45: Factory Defaults
Installer Setup Resetting the Thermostat to the Factory Default Settings (for default values see page 43-45) If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below. WARNING: This will reset all Time Period and Advanced Programming to the default settings. -
Page 46: Technician Setup
Technician Setup To enter Technician Setup, press and hold the SETUP button for 10 seconds. After all the icons appear, press MODE. The version number of the thermostat will appear in the scrolling text. Press MODE to advance to the next step. Use the WARMER or COOLER buttons to adjust the value of your selection. -
Page 47: Advanced Setup Table
Advanced Setup Table Df = Factory Default Setting Step# Description Pg# Range Prog Mode Non, 1 Day, 5/2 Day, 7 Day 7 Heat/Cool/Auto/Off, Heat/Cool Available Modes Heat/Cool/ /Off, Heat/Off, Cool/Off Auto/Off Backlight On, Off Off thru 7 levels of brightness Backlight Level Level 5 Night Dimmer... - Page 48 Advanced Setup Table Df = Factory Default Setting Step# Description Pg# Range Minutes Between 1st and 2nd Stage 0 - 60 Minutes Minutes Between 2nd and 3rd Stage 27 0 - 60 Minutes Minutes Between 3rd and 4th Stage 0 - 60 Minutes 2nd StageTurnoff Point Deadband, Setpoint Deadband...
- Page 49 Advanced Setup Table Df = Factory Default Setting Step# Description Pg# Range Time, Temp, External, Free Aux Output Time Cooling, Venting Aux Output Program Days 1 Day, 5/2 Day, 7 Day Day Of Week To Program Sunday - Monday (S - M) MTWTFSS Aux Output Start Time 12am - 12am...
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Page 50: Troubleshooting
Troubleshooting • SYMPTOM: The air conditioning does not attempt to turn on. CAUSE: The compressor timer lockout may prevent the air conditioner from turning on for a period of time. REMEDY: Consult the Owner’s Manual in the Installer Setup section to defeat the Cycles Per Hour (page 26). -
Page 51: Warranty
Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within one year from the date of original installation, whether or not actual use begins on that date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s sole option to replace any defective part, will be provided without charge for the part itself provided the defective part is returned to the distributor through a qualified servicing dealer. -
Page 52: Technical Specifications
Technical Specifications S1-THSU303-S Thermostat Controllers SFTHRPH742WFC Manual Thermostat Controllers Power Requirements 20 - 30 VAC 50/60 Hz, 3.0 VA @ 24V nominal. Output Rating W1, W2, W3 = 0.2A max, 0.01A min, 3A inrush, 20 - 30 VAC Y1, Y2, G = 0.4A max, 0.01A min, 3A inrush, 20 - 30 VAC HUM, DEHUM, AUX = 0.1A max, 0.01A min, 3A inrush, 20 - 30 VAC... - Page 53 Patent Pending 88-1344 05/24/19...
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