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Big Blue Commercial Universal Thermostat
with Damper or Economizer Control and
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage, Heat Pump
Installation and Operating Instructions
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FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
Model Programming Choices
CAREFULLY BEFORE INSTALLING OR OPERATING THIS
CONTROL COULD CAUSE PERSONAL INJURY AND/OR
1F95-1280 7 Day 5/1/1 Day Non-Programmable
PROPERTY DAMAGE.
APPLICATIONS
1F95-1280
THERMOSTAT APPLICAT
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INSTALLATION Thermostat Power Method Switch Position/Description WARNING ! Battery Powered, no 24 Switches "On", thermostat Thermostat installation and all components of the Volt system power available . runs on batteries . control system shall conform to Class II circuits per Hardwired with Battery Switches "On", thermostat the NEC code. Back-up, for 24 Volt systems runs on power directly from with common connection from transformer with battery back- transformer to "C" terminal up . Rem
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WIRING DIAGRAMS Figure 2 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer System RC RH CY Y2 W/EW2G O/B6 L Single Stage 1 Call for cool No Output Call for heat Installer No output (SS1) Configuration Menu selects 24 volt “O” or “B” for common Blower/Circulator fan “Call for Service” changeover Power closed (optional energized on a call (malfunction 24 volt 24 volt function. Set connection for for system for cool or Fan On indicator) for power for power for to “O”
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THERMOSTAT QUICK REFERENCE Home Screen Description Figure 8 – Home Screen Display Room Temperature Day of Week Set Temperature/Humidity Time of Day Note: If is displayed, the Temperature thermostat is battery powered. UP/Down used for System When battery power remaining modifying setpoint Switch is approximately half, will as well as to be displayed. If the home is navigating the menus going to be unoccupied for an extended period (over 3 months) Fan and is displayed,
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INSTALLER/CONFIGURATION MENU To enter the menu: Press the Menu touch key . Press and hold for 5 seconds the Installer Config touch key . This displays screen reference #1 in the table below . Screen Reference numbers appear in top right corner of display . Press to advance to the next menu item or to return to a previous menu item . Press or to change a menu item option . Shaded items are not available if selected for Non-Programmable . Installer Note: To default the programming, clock an
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INSTALLER/CONFIGURATION MENU CONFIGURATION MENU Screen SS1 HP1 Press Displayed Comments Press or Reference MS2 HP2 Factory key to select from Number (Default) listed options 33 (05) dF 0 - 09 Selects Dual Fuel setting using software logic, dF selected On with no outdoor sensor . 34 (60) Cd 0-99 Selects compressor off delay in seconds, dF selected On 35 (80) AO -5 - 79 Selects Auxiliary Heat cut out temperature . This item appears if HP1 or HP2 is selected and outdoor sensor is insta
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INSTALLER/CONFIGURATION MENU 15 . Select Daylight Saving Time Calculation – This feature 22 . Heat Temperature Limit Range – This feature adjusts will allow the thermostat to calculate the DST automati- the highest setpoint temperature for heat . The default cally and apply it to the Real Time Clock display . Default setting is 99°F . It can be changed to a setting between is On . 62°F and 98°F . Temperature Limit" icon will be displayed to the left of your setpoint temperature when using th
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INSTALLER/CONFIGURATION MENU Selecting FA OFF allows the thermostat to calculate an the temperature that will inhibit the auxiliary heating optimal time to bring on additional stages of heat . When stage . As long as the outdoor temperature is above the the is used to raise the setting above the room tem- selected temperature, the auxiliary heat will not turn on . perature additional heat stages may come on very quickly The default setting is 60°, but can be set in the range of or very slo
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OPERATING YOUR THERMOSTAT Check Thermostat Operation 4 . Press to adjust the thermostat below room tempera- ture . The heating system should stop operating . NOTE To prevent static discharge problems, touch side of CAUTION ! thermostat to release static build-up before touching To prevent compressor and/or property damage, if the any keys. outdoor temperature is below 50°F, DO NOT operate If at any time during testing your system does not operate the cooling system. properly, contact a qual
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OPERATING YOUR THERMOSTAT Example: If you turn up the heat during the morning program, adjust the temperature . The HOLD key will appear . Press the it will be automatically lowered later, when the temporary hold HOLD key . "Hold At" will appear next to the setpoint tem- period ends . To cancel the temporary setting at any time and perature and the thermostat will maintain the new setpoint return to the program, press Run Schedule . temperature until Run Schedule is pressed to resume pro- g
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PROGRAMMING Heating Example: Enter the Heating Program 1 . In Heat mode, press Auto Schedule once . 1 . Press the Menu key and then press Set Schedule . Press SYSTEM key to select "Heat" in the system switch area 2 . Press or to select a comfortable day time tempera- indicating the active mode being programmed . You can ture (example 72°) . switch to the other mode by pressing the system switch at 3 . Press Auto Schedule again . Your thermostat is now pro- any time . grammed for 72° fro
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PROGRAMMING Planning Your Program – Important The Heating and Cooling Program schedules below allow you to pencil in your own program times and temperatures . The 1F95-1280 comes configured for 7 day programming and can also be configured for 5+1+1 programming (see configura- tion section) . Factory settings are listed on Monday, Saturday and Sunday . If you are re-programming a 5+1+1 day schedule, pencil in your own times and temperatures directly below the factory times and temperatures . If
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PROGRAMMING Example: Local sensor temperature is 80° and the remote Wired Remote Temperature Sensing sensor is 70° . One remote temperature sensor can be installed indoor or If weight is selected H4, the averaged temperature of 72° will outdoor and connected to the thermostat by a maximum be displayed . cable length of 100 meters (300 feet) . Terminals +, S and - on (1 x 80) + (4 x 70) / 5 = 72° the terminal block allow connection of the remote sensor . The If weight is selected A2, the
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TROUBLESHOOTING Reset Operation Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings . If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermo- stat by removing the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes . After resetting the thermostat, replace the wires and batteries . If the thermostat has been reset an
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NOTES 15
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HOMEOWNER HELP LINE: 1-800-284-2925 White-Rodgers is a business of Emerson Electric Co . The Emerson logo is a www.white-rodgers.com trademark and service mark of Emerson Electric Co . www.emersonclimate.com
