White Rodgers 1F82 0261 Users Manual 1F82_0261_37 7022B
2015-01-05
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Blue 2” Heat Pump Thermostat Heat Pump or Single Stage Installation and Operating Instructions Save these instructions for future use! FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. Model Programming Choices 1F82-0261 5/1/1 Day Programmable APPLICATIONS YOUR THERMOSTAT REPLACES Description Heat Pump (No Aux. or Emergency Heat) Heat Pump (with 1 Aux. or Emergency Heat Stage) Standard Heat & Cooling Systems Two Stage Heat & Two Stage Cool Standard Heat Only Systems Millivolt Heat Only Systems - Floor or Wall Furnaces Standard Central Air Conditioning Gas or Oil Heat Electric Furnace Hydronic (Hot Water) Zone Heat – 2 Wires Hydronic (Hot Water) Zone Heat – 3 Wires 1F82-0261 Thermostat Yes Yes Yes No Yes Yes Yes Yes Yes Yes No SPECIFICATIONS Electrical Rating: Battery Power ................................................. Input-Hardwire ................................................ Terminal Load ........................................................ Setpoint Range ...................................................... Differential (Single Stage) ...................................... Differential (Heat Pump) ........................................ Operating Ambient................................................. Operating Humidity ................................................ Shipping Temperature Range ................................ Dimensions Thermostat ......................................... mV to 30 VAC, 50/60 Hz or DC 20 to 30 VAC 1.0 A per terminal, 1.5A maximum all terminals combined 45° to 90°F (7° to 32°C) Heat 0.8°F; Cool 1.2°F (adjustable) Heat 1.2°F; Cool 1.2°F (adjustable) 32° to +105°F (0° to +41°C) 90% non-condensing max. -40° to +150°F (-40° to +65°C) 3-3/4”H x 4-3/4”W x 1-1/2”D PRECAUTIONS ! WARNING Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard. Thermostat installation and all components of the system shall conform to Class II (current limited) circuits per the NEC code. Failure to do so could cause a fire hazard. ! CAUTION To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete. Index Installation Wiring Diagrams Thermostat Quick Reference Installer Configuration Menu Operation Programming Troubleshooting Page 2 3 4 5 6 7 9 PART NO. 37-7022B www.white-rodgers.com 1 Replaces 37-7022A 0925 INSTALLATION Battery Door REMOVE OLD THERMOSTAT 1. Shut off electricity at the main fuse box until installation is complete. Ensure that electrical power is disconnected. 2. Remove the front cover of the old thermostat. With wires still attached, remove wall plate from the wall. If the old thermostat has a wall mounting plate, remove the thermostat and the wall mounting plate as an assembly. Mounting Hole Mounting Hole 3. Identify each wire attached to the old thermostat using the labels enclosed with the new thermostat. HP-SS Switch 4. Disconnect the wires from old thermostat one at a time. DO NOT LET WIRES FALL BACK INTO THE WALL. 5. Install new thermostat using the following procedures. Fan Switch Opening for wires ATTENTION! O/B Switch This product does not contain mercury. However, this product may replace a unit which contains mercury. Figure 1. Thermostat Base Do not open mercury cells. If a cell becomes damaged, do not touch any spilled mercury. Wearing nonabsorbent gloves, take up the spilled mercury and place into a container which can be sealed. If a cell becomes damaged, the unit should be discarded. HP-SS SWITCH AND FAN SWITCH HP-SS Switch - If your system is a heat pump, the HP-SS Switch must be set to HP (see Fig. 1). If your system is a single stage, the switch must be set to SS. The switch setting must agree with the system configuration selected in the configuration menu. Mercury must not be discarded in household trash. When the unit this product is replacing is to be discarded, place in a suitable container. Refer to www.white-rodgers.com for location to send the product containing mercury. Fan Switch - For Electric Heat, heat pump or any system that requires the thermostat to turn on the blower on a call for heat - place the FAN switch (Fig. 1) in the ON position. For Gas Furnaces or Emergency Heat systems that have a fan control to turn on the blower (independent of the thermostat) place switch in the OFF position. ATTACH THERMOSTAT BASE TO WALL 1. Remove the packing material from the thermostat. Gently pull the cover straight off the base. Forcing or prying on the thermostat will cause damage to the unit. BATTERY LOCATION 2. Place base over hole in wall and mark mounting hole locations on wall using base as a template (see Fig.1). 3. Move base out of the way. Drill mounting holes. “AA” Alkaline Batteries 4. Push wires through opening in thermostat base. 5. Fasten base loosely to wall using two mounting screws. Place a level against bottom of base, adjust until level, and then tighten screws. (Leveling is for appearance only and will not affect thermostat operation.) If you are using existing mounting holes, or if holes drilled are too large and do not allow you to tighten base snugly, use plastic screw anchors to secure subbase. Two “AA” alkaline batteries are installed in your thermostat with a battery tag to prevent power drainage. Prior to use, open the battery door and remove the battery tag. To open, pull the battery door as shown by the arrow and lift open. The two “AA” batteries will operate all functions or maintain time and continuously display the temperature during a loss of AC power. Installed batteries will also allow programming prior to installation. To replace batteries, pull the battery door shown by the arrow and lift open. Using the polarity indicated inside the battery door, insert the batteries. To close the battery door, swing the door down while pulling in the direction of arrow. Once fully down, snap the door back into position. 6. Connect wires to terminals on base using appropriate wiring schematic (see figs. 2 through 4). 7. Push excess wire into wall and plug hole with a fire-resistant material (such as fiberglass insulation) to prevent drafts from affecting thermostat operation. O/B TERMINAL SWITCH SELECTION The O/B switch on this thermostat is factory set to the “O” position. This will accommodate the majority of heat pump applications, which require the changeover relay to be energized in COOL. If the thermostat you are replacing or the heat pump being installed with this thermostat requires a “B” terminal, to energize the changeover relay in HEAT, the O/B switch must be moved to the “B” position. Thermostat can be powered by system AC power or Battery. If is displayed, the thermostat is battery powered. If is not displayed, thermostat is system powered with optional battery back-up. When battery power remaining is approximately half, the will be displayed. When “Change ” is displayed, 2 INSTALLATION install fresh “AA” alkaline batteries immediately. For best results, use new premium brand alkaline batteries such as Duracell® or Energizer®. We recommend replacing batteries every 2 years. If the home is going to be unoccupied for an extended period (over 3 months) and is displayed, the batteries should be replaced before leaving. When less than two months of battery life remain, the setpoint temperature will offset by 10 degrees (10 degrees cooler in Heat mode / 10 degrees warmer in Cool mode). If offset occurs, the normal setpoint can be manually reset with or . Another offset will occur within two days if batteries are not replaced. To replace the batteries, set system to OFF. EMR – Heat Pump Example: If the thermostat is programmed to an overnight heating temperature of 66°F, and the next program period, beginning at 6:00 AM is programmed to 70°F, the thermostat will automatically advance the program setting and start the heating system at about 5:00 AM. The thermostat will use Heat Pump only during the majority of the recovery period. It will use Auxiliary Heat only if the thermostat calculates the Heat Pump will not meet setpoint by the programmed time. This saves money by using the Heat Pump for setback recovery as much as possible and using Auxiliary Heat only if the Heat Pump cannot recover by the time programmed. ENERGY MANAGEMENT RECOVERY (EMR) To turn EMR off, use the Configuration Menu on page 5. When EMR is set to OFF the temperature settings will change at exactly your program times. When the Energy Management Recovery (EMR) feature is activated the thermostat will start the program early to achieve the programmed temperature setting by the time specified in the program and minimize Auxiliary Heat use. Heat Pump and Cooling systems start approximately 15 minutes early for every 1° of temperature (gas or electric heat starts 5 minutes early for every 1°) required to reach the next temperature setting. This helps the building warm up in Heating or cool down in Cooling so it reaches the program temperature right on time. WIRING DIAGRAMS THERMOSTAT O/B Changeover Relay* Y G W2 Fan Relay Compressor Contactor L C Aux/Emergency Heat Relay (Stage 2) R SYSTEM SYSTEM MONITOR SWITCH Optional Hot 24 VAC 120 VAC Neutral * Changeover Relay is energized in COOL when O/B switch is in the “O” position Changeover Relay is energized in HEAT when O/B switch is in the “B” position TRANSFORMER (Class II Current Limited) Figure 2. Typical wiring diagram for single transformer systems NOTE If safety circuits are in only one of the systems, remove the transformer of the system with NO safety circuits. THERMOSTAT O/B Y G W2 CUT AND TAPE OFF! Changeover Relay* HOT 120 VAC NEUTRAL 24 VAC Compressor Contactor L C Fan Relay Optional SYSTEM MONITOR SWITCH R SYSTEM Limit or Safety Switches Aux/Emergency Heat Relay (Stage 2) Hot 24 VAC 120 VAC Neutral TWO COMMONS MUST BE JUMPERED TOGETHER! * Changeover Relay is energized in COOL when O/B switch is in the “O” position Changeover Relay is energized in HEAT when O/B switch is in the “B” position TRANSFORMER (Class II Current Limited) Figure 3. Typical wiring diagram for two transformer systems with NO safety circuits 3 WIRING DIAGRAMS NOTE Polarity must be observed. If the HOT side of the second transformer is jumpered to the COMMON side of the first transformer a short will be made. Damage to equipment will occur when power is restored. THERMOSTAT O/B Y G W2 L C R SYSTEM Changeover Relay* Fan Relay Compressor Contactor Optional Limit or Safety Switches SYSTEM MONITOR SWITCH 24 VAC 120 VAC Limit or Safety HOT Switches NEUTRAL 24 VAC ACCESSORY RELAY N.O. CONTACT Aux/ Emergency Heat Relay Auxiliary NOTE Heating Transformer The accessory relay scheme (Class II is required when safety Current Limited) circuits exist in both systems. COMMON Limit or Safety Switches TWO COMMONS MUST BE JUMPERED TOGETHER! Limit or Safety Switches 24 VAC COMMON HOT 120 VAC NEUTRAL * Changeover Relay is energized in COOL when O/B switch is in the “O” position Changeover Relay is energized in HEAT when O/B switch is in the “B” position Heat Pump Transformer (Class II Current Limited) Figure 4. Typical wiring diagram for two transformer systems with safety circuits in BOTH systems THERMOSTAT QUICK REFERENCE 13 Displays current temperature. Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons and switches (see fig. 5). Your thermostat consists of two parts: the thermostat cover and the base. To remove the cover, pull it straight out from the base. To replace the cover, line up the cover with the base and press until the cover snaps onto the base. 14 “Service” indicates a diagnostic fault in the heating/cooling system. It does not indicate a fault in the thermostat. 15 “EMER” is displayed flashing when the system switch is in EMER position, bypassing the Heat Pump. 16 “Change Filter” is displayed when the system has run for the programmed filter time period as a reminder to change or clean your air filter. The Thermostat Buttons and Switches 1 Raises temperature setting. 2 Lowers temperature setting. 3 TIME button. 4 SYSTEM switch (COOL, OFF, HEAT, EMER). 17 “ ” indicates power level of batteries. “Change indicates batteries should be replaced. 18 Indicates time. 19 “A” “P” indicates time as Morning (A) Evening (P). 20 “Temp Hold” indicates temporary hold or “Hold” indicates 5 PRGM (program) button. 6 FAN switch (ON, AUTO). 7 RUN/HOLD (program) button. hold mode. Figure 5. Thermostat display, buttons, and switches The Display 8 9 ” Indicates days of the week. Indicates setpoint temperature. This is blank when system switch is in the OFF position. Setpoint temperature is displayed (flashing) if the thermostat is in lockout mode to prevent the compressor from cycling too quickly. 1 2 10 “AUX” indicates auxiliary stage is operating. 11 “Save” indicates the Cool Savings feature is enabled in the configuration menu. “Save” (flashing) indicates Cool Savings feature is active. 3 12 Flame icon ( ) is displayed when the SYSTEM switch is in the HEAT position. Flame icon ( ) is displayed flashing when thermostat is calling for heat. Snowflake icon ( ) is displayed (non-flashing) when the SYSTEM switch is in the COOL position. Snowflake icon ( ) and is displayed (flashing) if the thermostat is calling for cool. 4 5 19 6 7 20 8 18 9 17 10 16 11 4 15 14 13 12 INSTALLER/CONFIGURATION MENU The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements. and buttons simultaneously. The display will show the To enter the menu: Set your thermostat to OFF and press the first item in the configuration menu. Press RUN/HOLD to change to the next menu item or press TIME to go backwards to the previous item in the menu. To exit the menu and return to the program operation, press PRGM. If no keys are pressed within fifteen minutes, the thermostat will revert to normal operation. Configuration Menu Menu Reference Number Heat Pump Single Stage Press Key Displayed (Factory Default) 1 1 1 and HP 2 2 2 RUN/HOLD* CS (OFF) CS (3) E (On) CR HE-PU (FA) CR Heat (FA) RUN/HOLD* 3 3 4 4 3 RUN/HOLD* 4 5 RUN/HOLD* RUN/HOLD* On 1, 2, 3, 4, 5, 6 OFF SL SL Comments Select Heat Pump (HP, 1 compressor) or Single Stage (SS) Select Cool Savings Feature On or OFF If CS selected On, selects Cool Savings value Select Energy Management Recovery On or OFF Select Adjustable Anticipation, cycle rate, Heat Pump, Heat and Cool Select Adjustable Anticipation, cycle rate, Heat Single Stage RUN/HOLD* CR Aux (FA) SL Select Adjustable Anticipation, cycle rate, Heat Pump Aux Stage 5 RUN/HOLD* CR Cool (FA) SL Select Adjustable Anticipation, cycle rate, Cool Single Stage CL (OFF) L (On) Temp (0 HI) o F On Select Compressor lockout OFF or On 5 6 6 6 RUN/HOLD* 7 7 7 RUN/HOLD* 8 8 8 RUN/HOLD* 9 9 9 RUN/HOLD* 10 10 11 11 RUN/HOLD* 10 RUN/HOLD* RUN/HOLD* 12 or Press to select from listed options SS OFF 4 LO to 4 HI o C FH (On) Change Filter (OFF) Change Filter (200 h) RUN/HOLD* OFF On 25 to 1975 Select Display Light On or OFF Select temperature display adjustment higher or lower Select oF / oC Display (temperature units in Fahrenheit or Celsius) Select fast second stage On or OFF Select filter replacement indicator OFF or On If Change Filter selected On, selects time interval for Change Filter Indicator. (in 25 hour increments) Returns to normal operation *Press RUN/HOLD to advance to next item or TIME to move backwards to previous item display will show “Save”. The amount of the adjustments to the setpoint temperature is dependent on the Cool SavingsTM value that is set, 1 being the least adjustment and 6 being the most adjustment. With this feature set to OFF, no change will occur when the cooling system is continuously running during the periods of high demand. Periods of high demand will normally occur during the late afternoon and early evening on the hottest days of the summer. 1) System Configuration - Selects HP (Heat Pump) or SS (Single Stage) operating mode. Default configuration is HP. For Single Stage operation choose SS. 2) Select CS (Cool Savings™) - With Cool Savings™ enabled, the thermostat will make small adjustments to the Setpoint temperature during periods of high demand to reduce cooling system running time and save energy. When the cooling system has been running for more than 20 minutes, humidity in the home will be lower and a higher setpoint temperature will feel comfortable. After 20 minutes of run time, the thermostat will start increasing the setpoint temperature in steps of less than one degree as the system continues to run. These adjustments will eventually cause the system to satisfy the thermostat and turn the system off to reduce the energy consumption. When the Cool SavingsTM feature is active and making adjustments, the 3) Select Energy Management Recovery - Energy Management Recovery (E) On enables the thermostat to start heating or cooling early to make the building temperature reach the program setpoint at the time you specify. See page 3 for details. 5 INSTALLER/CONFIGURATION MENU 8) Select Temperature Display Adjustment 4 LO to 4 HI Allows you to adjust the room temperature display up to 4° higher or lower. Your thermostat was accurately calibrated at the factory but you have the option to change the display temperature to match your previous thermostat. The current or adjusted room temperature will be displayed on the display. 4 & 5) Select Cycle Rate Selection - The factory default setting is (FA, CR) for all modes (Heat Pump, Heat Pump Aux, Heat and Cool, Single Stage Heat and Single Stage Cool). To change to slow cycling (SL, CR), press the and keys to toggle between FA & SL. The cycle rate differentials for different settings are: MODE Fast Slow FA SL Heat Pump 1.2°F 1.7°F HP Aux 0.8°F 1.2°F SS Heat 0.8°F 1.2°F SS Cool 1.2°F 1.7°F 9) Select °F or °C Readout - Changes the display readout to Celsius or Fahrenheit as required. 10) Select Fast Second Stage ON or OFF - (Heat Pump Only) In the RUN mode, with the Fast Heat feature enabled (FH Heat On), if the temperature is manually raised by 3°F (2°C) or more above the actual temperature using the , the second stage will energize immediately. With FH OFF, the thermostat will determine the optimum time (approximately 0 to 30 minutes) to use Auxiliary/Second stage heat in addition to the Heat Pump. 6) Select Compressor Lockout CL OFF or ON - Selecting CL On will cause the thermostat to wait 5 minutes between cooling cycles. This is intended to help protect the compressor from short cycling. Some newer compressors already have a time delay built in and do not require this feature. Your compressor manufacturer can tell you if the lockout feature is already present in their system. When the thermostat compressor time delay occurs, it will flash the setpoint for up to five minutes. 11) Select Filter Replacement Reminder and Set Run Time Select the “Change Filter” reminder On or OFF. If selected On, press RUN/HOLD to select the time period from 25 to 1975 hours in 25 hour increments. In a typical application, 200 hours (default) of run time is approximately 30 days. After the selected time of blower operation, the thermostat will display “Change Filter” as a reminder to change or clean your air filter. When “Change Filter” is displayed, press the RUN/HOLD button to clear the display and restart the time to the next filter change. A selection of OFF will cancel this feature. 7) Select Backlight Display - The display backlight improves display contrast in low lighting conditions. When the “C” terminal is connected, selecting backlight CdL On will keep the light on continuously. Select backlight OFF will turn the light on momentarily when any key is pressed. When the “C” terminal is not connected, regardless of the backlight selection, the light will be on momentarily when any key is pressed. 12) Select RUN/HOLD - Exit Menu. OPERATION CHECK THERMOSTAT OPERATION Emergency System If at any time during testing your system does not operate properly, contact a qualified service person. EMER bypasses the Heat Pump to use the heat source wired to terminal W2 on the thermostat. EMER is typically used when compressor operation is not desired, or you prefer back-up heat only. Turn on power to the system. Fan Operation 1. Move SYSTEM switch to EMER position, EMER will flash on the display. If your system does not have a G terminal connection, skip to Heating System. 2. Press to adjust the thermostat above room temperature. The Aux heating system will begin to operate. The Flame icon ( ) will display flashing to indicate that the Aux system is operating. 1. Move fan switch to ON position. The blower should begin to operate. 2. Move fan switch to AUTO position. The blower should stop immediately. 3. Press to adjust the thermostat below room temperature. The Aux heating system should stop operating. Heating System Cooling System 1. Move SYSTEM switch to HEAT position. If the auxiliary heating system has a standing pilot, be sure to light it. ! CAUTION 2. Press to adjust thermostat setting to 1° above room temperature. The Heat Pump system should begin to operate. However, if the setpoint temperature is flashing, the compressor lockout feature is operating (see Configuration menu, item 6). To prevent compressor and/or property damage, if the outdoor temperature is below 50oF, DO NOT operate the cooling system. 3. Adjust temperature setting to 4o above room temperature. The auxiliary heat system should begin to operate and the Flame icon will be flashing. 1. Move SYSTEM switch to COOL position. 2. Press to adjust thermostat setting below room temperature. The blower should come on immediately on high speed, followed by cold air circulation. 4. Press to adjust temperature setting below room temperature. The heating system should stop operating. 3. Press to adjust temperature setting above room temperature. The cooling system should stop operating. 6 PROGRAMMING ! CAUTION If you want to change the preprogrammed times and temperatures, follow these steps. Do not allow the compressor to run unless the compressor oil heaters have been operational for 6 hours and the system has not been operational for at least 5 minutes. Determine the time periods and temperatures for your program. You must program four periods for each day. However, you may use the same heating and cooling temperatures for consecutive time periods. You can choose start times, heating temperatures, and cooling temperatures independently (for example, you may select 5:00 AM and 70° as the weekday 1st period heating start time and temperature, and also choose 7:00 AM and 76° as the weekday 1st period cooling start time and temperature). MANUAL OPERATION • HOLD TEMPERATURE — With the SYSTEM switch set to HEAT or COOL, momentarily press RUN/HOLD button. or to adjust the HOLD will be displayed. Use temperature. The thermostat will hold the room temperature at the selected setting until you press RUN/HOLD button to start program operation again. • Use the table to plan your program time periods and the temperatures you want during each period. Fill in the complete table to have a record of your programs. Entering Your Program TEMPERATURE OVERRIDE (TEMPORARY HOLD) — Press or until the temperature you want is displayed. The thermostat will override current programming and keep the room temperature at the selected temperature for 2 hours or until the next program period begins. Then the thermostat will automatically revert to the program. Set Current Time and Day 1. Press TIME button once. The display will show the hour only. EXAMPLE: PROGRAMMING YOUR THERMOSTAT or until you reach the correct 2. Press and hold either hour and AM/PM designation (AM begins at midnight; PM begins at noon). This section will help you plan your thermostat’s program to meet your needs. For maximum comfort and efficiency, keep the following guidelines in mind when planning your program. • 3. Press TIME once again. The display window will show the minutes only. When heating (cooling) your building, program the temperatures to be cooler (warmer) when the building is vacant or during periods of low activity. • EXAMPLE: During early morning hours, the need for cooling is usually minimal. 4. Press and hold either minutes. Look at the factory preprogrammed times and temperatures shown in the sample schedule. If this program will suit your needs, simply press the RUN/HOLD button to begin running the factory preset program. 6. Press week. until you reach the current day of the Heating/Cooling Schedule Plan SUNDAY (1 Day) SATURDAY (1 Day) Start Time Temp Start Time Temp Start Time Temp 1ST 6:00 AM 70°F 6:00 AM 70°F 6:00 AM 70°F 2ND 8:00 AM 62°F 8:00 AM 62°F 8:00 AM 62°F 3RD 5:00 PM 70°F 5:00 PM 70°F 5:00 PM 70°F 4TH 10:00 PM 62°F 10:00 PM 62°F 1ST 6:00 AM 78°F 6:00 AM 78°F 2ND 8:00 AM 85°F 8:00 AM 3RD 5:00 PM 78°F 5:00 PM 4TH 10:00 PM 82°F 10:00 PM 82°F Period 1ST HEAT WEEKDAYS (5 Day) 2ND 3RD 10:00 PM 62°F 4TH 6:00 AM 78°F 1ST 85°F 8:00 AM 85°F 78°F 5:00 PM 78°F COOL HEAT or 7. Press RUN/HOLD once. The display will show the correct time, day, room temperature and set-point temperature. SAMPLE Heating/Cooling Schedule Plan (Factory Program) COOL until you reach the correct 5. Press TIME once again. The display will show the day of the week. Planning Your Program Period or 2ND 3RD 4TH 10:00 PM 82°F 7 WEEKDAYS (5 Day) SATURDAY (1 Day) Start Time Start Time Temp Temp SUNDAY (1 Day) Start Time Temp PROGRAMMING Enter Heating Program Enter Cooling Program 1. Move the SYSTEM switch to HEAT. ! CAUTION 2. Press PRGM once. “Mo Tu We Th Fr” (indicating weekday program) will appear in the display. Also displayed are the currently programmed start time for the 1st heating period and the currently programmed temperature (flashing). If the outside temperature is below 50oF, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage. EXAMPLE: This display window shows that for the 1st weekday period, the start time is 6:00 AM, and 70° is the programmed temperature (this example reflects factory preprogramming). 1. Move SYSTEM switch to COOL position. 2. Follow Enter Heating Program for entering your cooling program, using your selected cooling times and temperature. or to change the displayed temperature 3. Press to your selected temperature for the 1st heating program period. CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation. 4. Press TIME once (the programmed time will flash). Press or until your selected time appears. The time will change in 15 minute increments. When your selected time is displayed, press TIME again to return to the change temperature mode. 1. Move SYSTEM switch to HEAT position. 2. Press PRGM to view the 1st weekday heating period time and temperature. Each time you press PRGM, the next heating period time and temperature will be displayed in sequence for weekday, then Saturday and Sunday program periods (you may change any time or temperature during this procedure). 5. Press PRGM once. The currently programmed start time and setpoint temperature for the 2nd heating program period will appear. 6. Repeat steps 3 and 4 to select the start time and heating temperature for the 2nd heating program period. 3. Press RUN/HOLD. 7. Repeat steps 3 through 5 for the 3rd and 4th heating program periods. 4. Move SYSTEM switch to COOL position. 8. Press PRGM once. “SA” (indicating Saturday program) will appear in the display, along with the start time for the 1st heating period and the currently programmed temperature. 6. Move SYSTEM switch to HEAT or COOL and press RUN/ HOLD to begin program operation. 5. Repeat step 2 to check cooling program. YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY! 9. Repeat steps 3 through 7 to complete Saturday heating programming. 10. Press PRGM once to change to SU (Sunday) heating programming and repeat steps 3 through 7 to complete Sunday programming. 11. When you have completed entering your heating program, press RUN/HOLD. 8 TROUBLESHOOTING Reset Operation the thermostat has power, has been reset and still does not function correctly contact your heating/cooling service person or place of purchase. If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, reset the thermostat by pressing the , and PRGM buttons simultaneously. If Symptom Possible Cause Corrective Action No Heat/No Cool/No Fan (common problems) 1. Blown fuse or tripped circuit breaker. 2. Furnace power switch to OFF. 3. Furnace blower compartment door or panel loose or not properly installed. Replace fuse or reset breaker. Turn switch to ON. Replace door panel in proper position to engage safety interlock or door switch. No Heat 1. System Switch not set to Heat. Set System Switch to Heat and raise setpoint above room temperature. Verify thermostat and system wires are securely attached. 2. Loose connection to thermostat or system 3. Heating System requires service or thermostat requires replacement. No Cool 1. System Switch not set to Cool. 2. Loose connection to thermostat or system. 3. Cooling System requires service or thermostat requires replacement Diagnostic: Set System Switch to Heat and raise the setpoint above room temperature. Within a five minutes the thermostat should make a soft slick sound. This sound usually indicates the thermostat is operating properly. If the thermostat does not click, try the reset operation listed above. If the thermostat does not click after being reset contact your heating and cooling service person or place of purchase for a replacement. If the thermostat clicks, contact the furnace manufacturer or a service person to verify the heating system is operating correctly. Set System Switch to Cool and lower setpoint below room temperature. Verify thermostat and system wires are securely attached. Same procedures as diagnostic for No Heat condition except set the thermostat to Cool and lower the setpoint below the room temperature. There may be up to a five minute delay before the thermostat clicks in Cooling if the compressor lock-out option is selected in the configuration menu (Item 6). Heat, Cool or Fan Runs Constantly 1. Possible short in wiring. 2. Possible short in thermostat. 3. Possible short in Heat/Cool/Fan system. 4. Fan Switch set to Fan On. Check each wire connection to verify they are not shorted or touching together. No bare wire should stick out from under terminal screws. Try resetting the thermostat as described below. If the condition persists, the manufacturer of your system or service person can instruct you on how to test the Heat/Cool/ system for correct operation. If the system operates correctly, replace the thermostat. Furnace Cycles Too Fast or Too Slow (narrow or wide temperature swing) 1. The location of the thermostat and/or the size of the Heating System may be influencing the cycle rate. Item 4 in the Configuration Menu is the adjustment that controls the cycle rate. If an acceptable cycle rate is not achieved using the FA (Fast) or SL (Slow) adjustment contact a local service person for additional suggestions. Cooling Cycles Too Fast or Too Slow (narrow or wide temperature swing) 1. The location of the thermostat and/or size of the Cooling System may be influencing the cycle rate. The cycle rate for cooling is fixed and can not be adjusted. Contact a local service person for suggestions. Thermostat Setting and Thermometer Disagree 1. Thermostat thermometer setting requires adjustment. The thermometer can be adjusted +/-4 degrees as listed in item 8 of the Configuration Menu. No other adjustment is possible. Clock Loses or Gains Time 1. Loss of power to thermostat. The thermostat will maintain its program in memory even with no power but the clock time will be incorrect when power is restored. See No Heat/No Cool/No Fan (common problems) above for items to check in the system. Heat or Cool Starts Early 1. EMR activated. See Configuration Menu (Item 3). Thermostat Does Not Follow Program 1. AM or PM set incorrectly in program. 2. AM or PM set incorrectly on the clock. 3. Voltage spike or static discharge. 4. See “Heat or Cool Starts Early” above. Check current clock and program settings including the AM or PM designations for each time period. If a voltage spike or static discharge occurs use the Reset Operation listed above. Blank Display and/or Keypad Not Responding 1. Voltage Spike or Static Discharge. If a voltage spike or static discharge occurs use the Reset Operation listed above. 9 TROUBLESHOOTING Typical operation: STAGING In moderate weather with a low temperature setting (low demand) the thermostat may use only the heat pump to maintain temperature. Second Stage - Auxiliary Heat Most heat pump systems have an Auxiliary or Second Stage electric heater or gas furnace. Heat produced by a heat pump is economical but may not always have the capacity to maintain a comfortable room temperature setting. Auxiliary/Second Stage heat is usually less economical but the added heat capacity assures the system can provide enough heat to satisfy the thermostat setting. Digital thermostats have a built-in function that computes the optimum time (approximately 0-30 minutes) to use Auxiliary / Second Stage heat in addition to the Heat Pump heat. In colder weather or higher temperature settings (higher demand) Auxiliary Heat is used occasionally to supplement the heat pump. In very cold weather (very high demand) when Heat Pump performance is low Auxiliary Heat is used frequently to maintain comfort. The thermostat automatically adjusts to optimize comfort and economy using the lowest stage practical to make setpoint. The key to reducing energy costs and minimizing Auxiliary or Second Stage is to set the thermostat to the lowest comfortable heating temperature. 10 NOTES 11 Homeowner Help Line: 1-800-284-2925 White-Rodgers is a division of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. www.white-rodgers.com 12
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