S OWNER'S MANUAL P/N P374-1000FM tchable 1 For All i w Programmable or Non-Programmable Digital Thermostat I2:00 Am 72 74 COOL AUTO 70 HEAT Mounts Flush to the Wall 1 Day Programmable or Non-Programmable 4 Time Periods per Day Auto Changeover Large, Easy To Read Display Thermoglow Backlight Dual or Single Setpoint No Batteries Required Outdoor Temperature Sensor Available Meets Residential California Title 24 Use with most Air Conditioning & Heating Systems including: 1 Stage Electric Cooling or
Table Of Contents FRONT PANEL DISPLAY QUICK START Set the clock and go BASIC OPERATION PROGRAMMING 4 Time Periods ADVANCED SETUP ABOUT ADVANCED OPERATION WARRANTY 2 3 5 6 8 11 15 20 CAUTION Follow Installation Instructions before proceeding. SET THERMOSTAT TO MODE “OFF” PRIOR TO CHANGING SETTINGS IN SETUP OR RESTORING FACTORY DEFAULTS.
Front Panel 1 5 3 2 4 6 1 Liquid Crystal Display 2 Up/Down Buttons 3 Mode Button 4 Fan Button 5 Heat or Cool Indicator with Thermoglow Heat = Red, Cool = Green 6 Temperature Sensor Bubble Page 2
Display 2 3 I8:88 6 7 Am Pm Night 88 Setup 6 Morning Day Evening 8 Fan On o 88 COOL AUTO 4 1 1 Outside Locked 5 ProgramOn 1 ONOFF HEAT 88 9 1 4 1 Mode Indicators Selects the operation mode of the equipment. HEAT - indicates the heat mode. COOL - indicates the air conditioning mode. AUTO - indicates the system will automatically changeover between heat and cool modes as the temperature varies. OFF - indicates the entire system is turned off.
Display 5 Outside Indication Indicates the temperature displayed is from the optional outside sensor. Page 19. 6 Morning, Day, Evening & Night Indication Indicates the program time period. Page 8-10. 7 Setup Indication Indicates the thermostat is in the Advanced Setup mode. Page 11. 8 Fan Operation Indication Fan On - indicates constant, continuous fan operation. When Fan On is not lit - indicates the fan will only operate when necessary to heat or to cool. Page 7.
Quick Start Set the Clock and Go Press the Mode button. While holding the Mode, press the Fan button for 2 seconds to enter Setup screens. MODE FAN I2:00 I Pressing the Up and Down buttons will modify the flashing selection. To adjust the clock use Press both Mode and Fan buttons as above to return to normal operation. MODE FAN buttons. The thermostat is preprogrammed from the factory to operate 1 or 2 Stage equipment* without the need for further programming.
Basic Operation Select Mode The HEAT setting indicates the temperature the room has to reach before the furnace will turn on to heat the room. I2:00 70 70 70 70 70 I2:00 The COOL setting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room. I2:00 AUTO will automatically select heat or cool based on room temperature demand. I2:00 Program On will activate the stored timer operation. (Morning, Day, Evening & Night periods.
Basic Operation Select Desired Temperature I2:00 70 Pm 72 In any mode, adjust the desired Set Temperature with COOL AUTO 69 HEAT buttons. Pressing the Up or Down buttons in Auto mode will adjust both the heat and cool set temperatures simultaneously. Pressing the Up or Down buttons in Heat or Cool modes will adjust only the Heat or Cool set temperature. To select desired temperature in Single Setpoint, please also refer to page 17.
Programming MODE 4 Time Periods Press the Mode button. While holding the Mode, press the Up button for 2 seconds to enter time period programming. IMPORTANT NOTE: If the thermostat is configured for single setpoint operation, there will be a prompt to enter only one setpoint. 7:30 Am Adjust the start time for Morning. Press Morning MODE 7:30 Am 74 COOL Adjust the cooling setpoint for Morning. (35 - 99 ) Press Morning MODE 7:30 Am 74 COOL Adjust the heating setpoint for Morning.
Programming 4 Time Periods I0:30 Am Adjust the start time for Day. Press Day MODE I0:30 Am 75 COOL Adjust the cooling setpoint for Day. (35 - 99 ) Press Day MODE I0:30 Am 75 COOL Adjust the heating setpoint for Day. (35 - 99 ) HEAT 73 Day Press MODE 5:30 Pm Adjust the start time for Evening. Press Evening 5:30 Pm 75 MODE COOL Adjust the cooling setpoint for Evening.
Programming 4 Time Periods 5:30 Pm 75 COOL Adjust the heating setpoint for Evening. (35 - 99 ) HEAT Evening I i:30 73 Press MODE Pm Night Adjust the start time for Night. Press I i:30 Pm Night 78 MODE COOL Adjust the cooling setpoint for Night. (35 - 99 ) Press I i:30 Pm Night 78 MODE COOL Adjust the heating setpoint for Night (35 - 99 ) HEAT 70 Press the Mode button. While holding the Mode, press the Up button to exit time period programming.
Advanced Setup Press the Mode button. While holding the Mode, press the Fan button for 10 seconds to enter Setup screens. MODE FAN I2:00 NOTE: Each step # is located at the top right corner of the display for easy reference. I Am Setup Adjust the time of day clock. Press Tip: To change hours quickly, press and hold the Fan button in and press the up or down buttons.
Advanced Setup On Hp 0 Eh 2 2 Setup Select residential Heat Pump, On or Off. Off B Select the reversing valve polarity for Heat Pump, O or B. (Step 5 only appears if heat pump is on in step 4) O On Setup Setup Select Electric Heat On or Off. (Step 6 only appears if heat pump is off in step 4) Off 88 Setup Adjust the deadband from 1 - 6 degrees. 81f Adjust the minimum difference between cooling & heating setpoints.
Advanced Setup Select the cycles per hour limit. d=cycles per hour limit defeated. d1=d + defeat 5 min. Compressor lockout. (d, d1, 2 - 6) On Select the display backlight always On, or Off after 8 seconds. Off Setup 9 Setup Cy I0 6 LI Press MODE ON Press MODE C F F Setup Select thermostat operation in degrees Fahrenheit or Centigrade. II Press MODE Press the Mode button. While holding the Mode, press the Fan button for 2 seconds to leave the Setup screens.
Advanced Setup Advanced Setup Table Step # 1 2 3 4 5 6 7 8 9 10 11 Description Range Time of day clock set Time Period Programmable Display Mode Heat Pump Reversing Valve polarity Electric Heat Deadband or Temperature swing Forced minimum difference heat/cool Cycles per hour Thermoglow backlight Fahrenheit or Centigrade Page 14 24 hour Off / On 1/2 Off / On O/B Off / On 1-6 0-6 d, d1, 2 - 6 Off / On F/C Factory Default 12:00 Am On 2 Off O Off 1 2 6 On F
About Advanced Features & Operation MEMORY BACKUP - In the event of a power loss, the thermostat will retain the stored program settings without external power or batteries. 2 STAGE OPERATION - The 2nd Stage of heat or cool is turned on when (1) the 1st Stage has been on for a minimum of two minutes, and (2) the temperature spread from the setpoint is equal to or greater than: the setpoint plus the deadband, plus 2 degrees.
About Advanced Features & Operation EMERGENCY HEAT - Is a feature available to Heat Pump installations. To turn on Emergency Heat press in the Fan button. While holding the Fan button press the Up button for 2 seconds. The Cool setpoint display will read ‘EH’. I2:00 Press for Emergency Heat Am 73 eh 74 HEAT FAN During Emergency Heat the thermostat will turn on the fan and the 2nd stage of heat, when there is a demand for heat, locking out the 1st stage compressor.
About Advanced Features & Operation KEYPAD LOCK - To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold in the Mode button. While holding the Mode button in, press the Up and Down buttons in together. The Locked icon will appear on the display. I2:00 85 55 55 Pm COOL Locked Press all 3 for Keypad Lockout HEAT MODE To unlock the buttons, again press and hold the Mode button.
About Advanced Features & Operation DUAL SETPOINT BEHAVIOR - The adjustable setpoint range is: 35 - 99 degrees in Fahrenheit and 7 - 35 degrees in Centigrade. When in the modes Heat or Cool, this adjustable range is unhampered. When adjusting any Auto mode, including programming 4 Time periods, the thermostat will not allow the Heat setpoint to get closer to the Cool setpoint than the value programmed as the minimum difference in step 8, page 12.
About Advanced Features & Operation OUTSIDE SENSOR (Optional Accessory) - When connected to terminals RS+5, RS, & GND on the back of the thermostat, the thermostat will read the temperature from the Outside Sensor when asked to. This thermostat will not control to this sensor, it is only to read outside temperature. To read the temperature from the Outside Sensor, press and hold the Fan button for 2 seconds. The display will then only show Outside temperature.
Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship.
