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W H I T E - R O D G E R S
DIGITAL COMFORT SET II
OPERATION GUIDE
1F94-71
7 Day Multi-stage/Heat Pump
Electronic Digital Thermostat
WHITE-RODGERS
Operator: Save this booklet for future use!
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About Your New Thermostat . . . Your new Digital COMFORT SET II Multi-stage/Heat Pump Thermostat uses the technology of a solid-state microcomputer to provide precise time/temperature control. The COMFORT SET II Thermostat offers you the flexibility to design heating and cooling programs that fit your needs. Please read this manual thoroughly before operating or programming your thermostat. If you have questions, you may write to our Technical Service Department at the address shown on the bac
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In This Guide . . . YOUR NEW THERMOSTAT'S Program Heating/Cooling Times FEATURES ........................................... 4 and Heating Temperatures OPERATING YOUR THERMOSTAT ........ 5 Program Cooling Temperatures PARTS OF THE THERMOSTAT Using the HOLD/COPY Button The Back Of the Thermostat Body CHECK YOUR PROGRAMMING The Display QUESTIONS AND ANSWERS ................ 33 The Thermostat Buttons OPERATING FEATURES PROGRAMMING YOUR THERMOSTAT ................................... 18 PLANNING FOR
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YOUR NEW THERMOSTAT’S FEATURES • Computed Energy Management Recovery • Preprogrammed temperature control (EMR) • Adjustable cycle times • Automatic changeover (operator-selectable) • Compressor short cycle protection • Separate setback programming for 7 inde- • Compressor long term cycle protection pendent days • Blower delay in the cooling cycle • Simultaneous heat and cool program stor- • Audio and visual prompting during operation age • Two hour temperature override • Four separate time/tempe
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OPERATING YOUR THERMOSTAT Before you begin programming your thermo- The subbase is attached to the wall, but you can stat, you should be familiar with its features and remove the thermostat body for easy program- with the display and the location and operation ming. To remove the thermostat body from the of the thermostat buttons. The information in subbase, grasp the thermostat body and gently this section will help you become familiar with pull it out from the bottom of the subbase and your
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must reprogram the thermostat if this hap- PARTS OF THE THERMOSTAT pens. If the word BATTERY is flashing in the The Back of The Thermostat Body display window, the battery is low and should be replaced with a fresh 9 volt Energizer® Turn the thermostat body over. On the back are ® the 9 volt Energizer alkaline battery and the option switches. 4-pin connector Battery ® 1. The 9 volt Energizer alkaline battery pro- vides power to the thermostat when the 24vAC power is interrupted (for example, wh
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alkaline battery. The battery will provide 2. You may adjust the option switches for key- power for all functions except the display pad lockout and automatic changeover from light, which works only on 24vAC power. heat to cool (see OPERATING FEATURES). CAUTION ! Other than and , the buttons are located behind the thermostat door. To open the Before removing thermostat from the door, use your fingernail in the indentation at the wall to replace the battery, remove 24vAC top center of the door.
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The Display VIEW 4 When is pressed, A is displayed when TEMP the setpoint temperature displayed (at the 1 Continuously displays system mode (HEAT, far right) is the 1st programmed heating or EMER, OFF, COOL, AUTO, HOLD). Dur- cooling temperature (depending on mode). ing programming, the day of the week is B is displayed when the 2nd programmed displayed (MO, TU, WE, etc.). heating or cooling temperature is being dis- 2 Alternately displays room temperature (F played. denotes degrees Fahrenheit
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EMER. PUMP A FAN AUTO MALF. AUX. W H I T E - R O D G E R S SEVEN DAY DIGITAL COMFORT-SET II TIME SET VIEW HOLD SYSTEM FWD CLOCK PRGM COPY SWITCH HEAT-EMER-OFF-COOL-AUTO FAN TIME ADV VIEW RUN BACK DAY TEMP PRGM SWITCH ON-AUTO 4 1 2 3 3 A FAN AUTO B FAN ON BATTERY 4 5 2 6 4 5 9
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The Thermostat Buttons TIME TIME 13 Used with and to select setpoint FWD BACK temperatures. 7 Sets the system mode (HEATing, OFF, 14 Used to manually override programming to COOLing, or AUTOmatic changeover). hold at a selected temperature (when HOLD 8 Selects fan operation (see #5, above). is displayed). Also used to copy one day’s Runs display forward or backward through 9 programming to another day (when COPY time, day, or anticipation settings during is displayed). programming. 15 Used to
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is maintaining the setpoint temperature — light indicates that the heat pump compres- there is a 5- to 10-minute startup delay on sor is functioning — a flashing PUMP light the first emergency cycle). MALF light indi- indicates that the compressor is locked out. cates a heat pump system malfunction (re- AUX light indicates that the auxiliary system fer to heat pump manufacturer's operating is operating. manual). A continuous (non-flashing) PUMP 16 17 18 EMER. PUMP FAN AUTO MALF. AUX. W H I T E -
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62°F, and that during the next program OPERATING FEATURES period, beginning at 6:00 AM, you have programmed a temperature of 70°F. The Now that you are familiar with the thermostat thermostat will automatically activate the display and buttons, read the following informa- heating system at about 5:00 AM, so that tion to learn about the many features of the the programmed 70°F temperature is thermostat. reached by about 6:00 AM. • AUTOMATIC CHANGEOVER — You can • COMPUTED ENERGY MANAGEMENT set t
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the battery, then use a pencil or small screw- ON driver to move the switch to the ON position (see figure at right). Leave the battery out of 1234 the thermostat for at least two minutes, to Switch #1 set at installation (DO NOT CHANGE) allow the thermostat to reset itself. DO NOT Switch #2 set at installation (DO NOT CHANGE) MOVE OPTION SWITCHES #1 OR #2, as Switch #3 (see TOTAL KEYPAD LOCKOUT) this may affect thermostat operation. [Op- Switch #4 ON tion switch #3 enables/disables keypad l
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• TWO HOUR TEMPERATURE OVER- feature is ideal for energy conservation when RIDE — Press or until the the building is unoccupied for an extended display shows the temperature you want. period of time. The thermostat will override current pro- TIME • °F/°C CONVERTIBILITY — Press and FWD gramming and keep the room temperature TIME at the selected temperature for two hours. at the same time until the temperature BACK After two hours, the thermostat will auto- display is in °C (Celsius). To displ
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SET ADV To adjust heat anticipation, press CLOCK and at the same time again. The display will DAY show COOL 14 (factory preprogrammed ADV at the same time. The display will show DAY TIME TIME cooling anticipation). Use the and FWD BACK HEAT 18 (this is the factory preprogrammed heating anticipation setting). You may se- buttons to adjust anticipation. To set auxil- lect any anticipation setting from 4 to 40 SET ADV iary heat anticipation, press CLOCK and DAY (note that for add-on heat pump s
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• AUDIO PROMPTING — Each time you between heat pump heating and cooling press a button, the thermostat will beep (this cycles. The following may cause a time feature works only when the thermostat is delay in COOL: attached to the wall and 24vAC power is present to the thermostat). a) Return of power after a power outage. • BACKLIT DISPLAY — When you press SYSTEM b) Pressing to change operating SWITCH any button on the thermostat, the display is modes. lit for approximately eight seconds (this
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stored to the system, heaters in the system NOTE will begin to heat the crankcase oils. The thermostat's time delay will lock out the Programming should be completed and bat- compressor to prevent its operation until the tery should be installed before changing op- compressor oil is sufficiently warmed. Dur- tion switch #3. ing the lockout time period, the auxiliary ON heating system will operate to maintain a setpoint temperature. 1234 For example, if a power outage of three Switch #1 set at in
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#4 enables/disables automatic changeover disable total keypad lockout, move option (see AUTOMATIC CHANGEOVER)]. To switch #3 to OFF. PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat. PLANNING FOR YOUR NEEDS This section will help you plan your thermostat's program to meet your needs. First, answer the following questions to help you decide what your needs are. If you are using the For maximum comfort and efficiency, keep the thermostat for a commercial application (a st
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2a. What time do the building occupants reach 6a. What time does the last person leave the a maximum activity level (using lights, equip- house in the morning? ment, meeting rooms, etc.)? b. What temperature should the house be at b. What temperature should the building be at this time? this time? 7a. What time does the first person arrive home 3a. What time do the building occupants reach in the evening? a minimum activity level (limited personnel b. What temperature should the house be at in b
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FACTORY PREPROGRAMMING Cooling Program for ALL Days of the Week: Heating Program for ALL days of the Week: PERIOD TIME TEMP PERIOD TIME TEMP 1 5:00 AM 70°F 1 5:00 AM 78°F 70°F 2 9:00 AM 2 9:00 AM 82°F 3 4:00 PM 70°F 3 4:00 PM 78°F 64°F 4 10:00 PM 4 10:00 PM 78°F Your Factory If you want to change the preprogrammed times Temperature Selected Preprogrammed and temperatures, follow these steps. Designation Temperature Temperature HEAT A 70°F 1. Determine the heating and cooling tem- HEAT B 64°F per
