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When the “PROG” and “TIME” buttons are pressed simultaneously again or left idle for 20 seconds, the control shall save the new settings and return to the previous interface mode. While in the 7-Day programming mode, use the up or down arrows to change the time, temperature or period settings. Use the “MODE” (BACK) or “PROG” (NEXT) buttons to select the mode to be changed. Settings for (1) Day of week, (2) Period of day, (3) Hour, (4), Minute, (5) Cool setpoint temperature, (6) Heat setpoint temperature and (7) Auto setpoint temperature can be entered. Quick Copy Quick copy is a feature of the 7-day programming mode. It is used to copy the settings of any day to the rest of the week. While in 7-day programming, select the day to be copied. Then, press the “FAN” and “PROG” buttons simultaneously for three seconds. The selected day will be copied to the rest of the week. Manual run This is normal operating (non pre-program run) mode. Settings for temperature, mode and fan speed are selected by the user and will not change with the passing of time. The word “PROGRAM” does NOT display on the LCD. Pre-programmed run mode This feature allows the setpoint temperature to be changed according to the pre-programmed set point and time of day settings. The setpoint and time settings are programmed into the control through the 7-day programming interface. The Pre-programmed Run mode can be entered from Cool, Heat or Auto modes only. Pre-programmed run mode cannot be entered from Dry or Fan modes. Pressing the “PROG” button momentarily will enter or exit the Pre-program run mode. The word “PROGRAM” will appear in the LCD display. Then, with the passing of time, the setpoint will change to the programmed setting at the time selected. Filter Check To aid in filter maintenance, the microprocessor will keep track of the units run time. Then, after the filter check time has elapsed, a “FILTER CHECK” warning will appear the LCD display. The filter check time is selectable through the configuration mode. Available settings are 250, 500, 750, 1000, and 1250 hours. Also if four evaporator freeze ups occur within a 24 hour period, (See fault condition E03) the filter check indicator will appear. After filter maintenance has been performed, press the “MODE” and “FAN” buttons simultaneously for three seconds to clear the filter check warning. Sequence of Operation – Unit Mounted key pad mode Room Air Sampling In the auto (cycling) fan mode Room Air Sampling will automatically cycle the fan on for a minimum of 60 seconds, with the control in the satisfied state, to periodically circulate room air. Room air stratification is therefore minimized due to the fan being off for long periods of time so that the microprocessor may accurately track room temperature. Room air sampling must be selected through the configuration mode. Selectable sampling times are: “OFF” (disabled), 5 min, 10 min, and 15 min. Configuration Mode While the unit is in the Off mode, pressing the “MODE” and “PROG” buttons simultaneously for 10 seconds will enter the Configuration mode. While in Configuration mode, pressing the MODE” and “PROG” buttons simultaneously again or left idle for 20 seconds, will save the new settings and exit the Configuration mode. The following table specifies the user selectable settings in the Configuration mode: Sequence of Operation – Unit Mounted key pad mode Table #1 – Configuration Mode Setting Item LCD Title Display Possible Value (Flashing) Factory Settings 1 Temperature scale “01 F-C” “F” Fahrenheit “F” “C” Celsius 2 Remote wall thermostat mode (pg. 21) “02 r – t” “ON” Remote wall thermostat on “OFF” “OFF Remote wall thermostat off 3 Heat Source (pg. 17) “03 HEAT” “ON” Heat source available “ON” If El. heat “OFF” Not available “OFF” If no El. Ht. 4 Heat pump (This setting is skipped if Heat source setting is “Off”)(pg.17) “04 H-P” “ON” Heat pump available “OFF” “OFF” Not available 5 Auto-changeover differential (This setting is skipped if Heat source setting is “Off”or if remote setting is “On”)(pg.18) “05 d-b” Between “2° – 6°” “2” 6 Check filter time (pg.19) “06 F:Lt” “2” 250 hours “10” “5” 500 hours “7” 750 hours “10” 1000 hours “12” 1250 hours 7 Room air sampling (pg. 20) “07 A:r” “OFF” Disabled “15” “5” 5 minutes “10” 10 minutes “15” 15 minutes 8 Annunciation (pg. 23) “08 b-P” “ON” Enabled “ON”” “OFF” Disabled 9 LCD Backlight (pg. 23) “09 L:tE” “ON” Always on “In “In” Intermittent “OFF” Always off Louver position (pgs. 16 & 17) “Lou” 01, 02, 03, 04, 05, 06 and Auto “01” Test Mode (pgs. 16 & 22) “tSt” “tSt” Off Sleep timer The sleep timer feature allows the user, with the push of a single button, to have the unit switch off using the preset timer. When the control is in the “On” mode, pressing the “TIMER” will enter or exit the Sleep Timer mode. When in Sleep Timer mode, the word “TIMER” will appear on the LCD display. The unit will continue to operate for thirty (30) minutes then switch off. Test mode Test mode is a feature...

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