Page 4 - YOUR NEW THERMOSTAT’S FEATURES
4 YOUR NEW THERMOSTAT’S FEATURES • Five-day/two-day programming capability • Simultaneous heat and cool program storage • Four separate time and temperature settings per 24-hour period • Up to 2 stages of heat and up to 1 stage of cool • Computed Energy Management Recovery (EMR) • Automatic changeov...
Page 5 - PRECAUTIONS; Do not exceed the specification ratings.; CAUTION
5 PRECAUTIONS If in doubt about whether your wiring is millivolt, line,or low voltage, have it inspected by a qualifiedheating and air conditioning contractor, electrician,or someone familiar with basic electricity and wiring. Do not exceed the specification ratings. All wiring must conform to local...
Page 6 - THE THERMOSTAT’S SPECIFICATIONS; STAGING DATA
6 THE THERMOSTAT’S SPECIFICATIONS THIS CONTROL IS DESIGNED FOR USE WHERE BOTH SIDES OF THE TRANSFORMER AREPRESENT AT THE THERMOSTAT (both the hot and common sides of the 24 VAC end of thetransformer.) ELECTRICAL DATAElectrical Rating: 20 to 30 VAC 50/60 Hz.0.01 to 1.5 Amps (Load per terminal)2.5 Amp...
Page 7 - INSTALLING YOUR THERMOSTAT; NEW INSTALLATION; SELECT THERMOSTAT LOCATION; NOTE
7 INSTALLING YOUR THERMOSTAT NEW INSTALLATION WE RECOMMEND THAT YOU PROGRAM THETHERMOSTAT WITH BATTERY INSTALLED BE-FORE ATTACHING ON SUBBASE. SEE OPERA-TION SECTION FOR PROGRAMMING INSTRUC-TIONS. SELECT THERMOSTAT LOCATION Proper location insures that the thermostat willprovide a comfortable buildi...
Page 8 - Figure 1. Routing thermostat wires
8 1. Probe for obstructions in partition before drilling 1 ⁄ 2 ” hole in wall at selected location. Take up quarter round and drill a small guide hole forsighting (see fig. 1). From basement, drill 3 ⁄ 4 ” hole in partition floor next to guide hole. In buildingswithout basements, drill 1 ⁄ 2 ” hole ...
Page 9 - REPLACEMENT INSTALLATION; REMOVE OLD THERMOSTAT
9 REPLACEMENT INSTALLATION REMOVE OLD THERMOSTAT 1. Shut off electricity at the main fuse box until installation is complete. Verify power is offwith a voltmeter. 2. Remove the front cover of the old thermo- stat. With wires still attached, removewall plate from the wall. 3. If the old thermostat ha...
Page 11 - ATTACH SUBBASE TO WALL; Remove the packing material from the thermo-
11 ATTACH SUBBASE TO WALL 1. Remove the packing material from the thermo- stat. Place the fingers of one hand on the centertop and bottom portion of the thermostat. Graspthe subbase in the other hand on the top andbottom center, and gently pull straight out (seefig. 2). The thermostat has pin and so...
Page 13 - Figure 4. Typical wiring diagram for single transformer systems
13 C R G B O Changeover Energized In Heat Changeover Energized In Cool Compressor Contactor Stage 1 Fan Relay Heat Relay Stage 1 Heat Relay Stage 2 Thermostat Control Circuit 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM Y1 W1 W2 Figure 4. Typical wiring diagram for single transformer systems E1 Emer...
Page 16 - TO TURN THERMOSTAT OFF BE-; Figure 7. Attaching thermostat to subbase
16 ATTACH THERMOSTAT TO SUBBASE WE RECOMMEND THAT YOU SET OPTIONSWITCHES TO DESIRED POSITION BEFORE AT-TACHING ON SUBBASE (see OPERATION). WEALSO RECOMMEND THAT YOU PROGRAM THETHERMOSTAT WITH BATTERY INSTALLED BE-FORE ATTACHING ON SUBBASE (see OPERA-TION section for programming instructions). USE SY...
Page 17 - SYSTEM CONFIGURATION; BATTERY MUST BE; SET OPTION SWITCHES; Option switches
17 SYSTEM CONFIGURATION ANY TIME AN OPTION SWITCH IS CHANGED,THE 9 VOLT ENERGIZER ® BATTERY MUST BE REMOVED FOR A MINIMUM OF 2 MINUTES. NOTE SET OPTION SWITCHES 1. Single Stage Compressor Heat Pump — with reversing valve energized through B or O termi-nals 2. Two Compressor (Split) System Figure 8. ...
Page 18 - Automatic Changeover from Heat to Cool; F or a cooling temperature
18 5. Automatic Changeover from Heat to Cool The battery maintains the stored program in theevent of a power failure. When attached to the wallwith 24 VAC power applied, the thermostat willfunction normally without the battery. However, theprogram will be lost in the event of power interruptionor fa...
Page 19 - CHECK THERMOSTAT OPERATION; FAN OPERATION; HEATING SYSTEM OPERATION; MING YOUR THERMOSTAT.
19 CHECK THERMOSTAT OPERATION When checking thermostat, option switch #4 forautomatic changeover must be in the OFF position.This will allow temporary setting of heat set pointsabove cool settings. After system checkout, resetoption switch to ON position if automatic changeoveris desired (see SET OP...
Page 20 - until COOL is displayed.; to adjust thermostat to 40; abled by pressing; until AUTO is displayed
20 COOLING SYSTEM OPERATION To prevent compressor and/or propertydamage, if power to the compressor hasbeen off or interrupted for more than 1hour and the outdoor temperature is be-low 50 ° F, DO NOT operate the system for at least the amount of time the compres-sor was off! This will allow the comp...
Page 21 - LOCKOUT BYPASS OPTION; COMPRESSOR LONG TERM CYCLE; COMPRESSOR SHORT TERM CYCLE; press; and; at the same time at initial
21 LOCKOUT BYPASS OPTION FOR QUALIFIED SERVICE TECHNICIANS’USE ONLY. OPERATORS SHOULD NOT USETHIS FEATURE DUE TO POSSIBILITY OFEQUIPMENT OR PROPERTY DAMAGE, ORPERSONAL INJURY. DO NOT USE THE LOCKOUT BYPASS OP-TION UNLESS THE COMPRESSOR OILHEATERS HAVE BEEN OPERATIONAL FOR6 HOURS AND THE SYSTEM HAS N...
Page 22 - OPERATING YOUR THERMOSTAT; Use; to turn the thermostat OFF; PULL STRAIGHT OUT; Figure 9. Removing thermostat from subbase
22 OPERATING YOUR THERMOSTAT Before you begin programming your new thermo-stat, you should be familiar with its features and withthe display and the location and operation of thethermostat buttons. The information in this sectionwill help you become familiar with your thermostat sothat you can easil...
Page 23 - PARTS OF THE THERMOSTAT; The Back of the Thermostat Body; Figure 10. Attaching thermostat to subbase
23 nine pin connectors on the lower portion of thethermostat back. Gently push until the snap connec-tors engage (see fig. 10). DO NOT FORCE OR PRYTHE THERMOSTAT, as this may damage the unit. PARTS OF THE THERMOSTAT The Back of the Thermostat Body Turn the thermostat body over. On the back are the9 ...
Page 24 - to turn thermostat OFF before
24 battery will provide power for all functions. If theword BAT is displayed continuously (non-flash-ing), the thermostat is not being supplied with 24VAC power and is being powered by the batteryalone. Use SYSTEM HEAT-OFF-COOL-AUTO to turn thermostat OFF before removing thermostat from the wall to ...
Page 25 - is displayed when the blower is operat-; ing system cycling. FAN; is displayed during
25 replaced. The word BAT will be displayed con-tinuously (non-flashing) when the thermostat isoperating on battery power only. 6 FAN is displayed when the blower is operat- ing continuously, regardless of heating or cool- ing system cycling. FAN is displayed during automatic fan operation (when the...
Page 26 - The Thermostat Buttons and Lights
26 The Thermostat Buttons and Lights 7 Sets the system mode (HEATing, EMERgencyb a c k u p , O F F , C O O L i n g , o r A U T O m a t i cchangeover [user selectable feature]). 8 Selects fan operation (see #6, previous page).This button is also used to program the fan to runcontinuously during a pro...
Page 28 - OPERATING FEATURES; • COMPUTED ENERGY MANAGEMENT RE-; mostat will automatically activate the heating; • AUTOMATIC CHANGEOVER — You can set
28 OPERATING FEATURES Now that you are familiar with the thermostat displayand buttons, read the following information to learnabout the many features of the thermostat. • COMPUTED ENERGY MANAGEMENT RE- COVERY (EMR) - The thermostat’s microcom-puter automatically calculates the time it willtake to c...
Page 29 - to set thermostat for desired opera-; For example, if the highest heat setting is 76
29 affect thermostat operation. Replace the bat-tery, re-program the thermostat if necessary,put the thermostat back on the wall, and use SYSTEM HEAT-OFF-COOL-AUTO to set thermostat for desired opera- tion. To set the thermostat for automatic changeover after programming, press SYSTEM HEAT-OFF-COOL-...
Page 31 - C CONVERTIBILITY — Press
31 gram. Press HOLD TEMP . HOLD will be displayed. Then choose the desired hold temperature bypressing or . The thermostat will hold the room temperature at the selected set- ting until you press HOLD TEMP to start program op- eration again. This feature is ideal for energyconservation when the buil...
Page 32 - AUXILIARY heat anticipation (not applicable to
32 cycles are too long, press TIME BACK to decrease the cycle time. To set COOL anticipation, press SET CLOCK and SET DAY at the same time again. The d i s p l a y w i l l s h o w C O O L 1 4 ( f a c t o r ypreprogrammed cooling anticipation). Use TIME FWD and TIME BACK to adjust anticipation. To se...
Page 33 - PROGRAMMING
33 Auxiliary heat is functional during the compres-sor lockout and can be used as needed tomaintain room temperature. • COMPRESSOR LONG TERM CYCLE PRO- TECTION — If your system begins to operatetoo soon after an extended power outage, thecompressor may be damaged due to crankcaseoil temperature chan...
Page 34 - PROGRAMMING YOUR THERMOSTAT; • During early morning hours, the need for cool-; PLANNING FOR YOUR NEEDS; FOR COMMERCIAL APPLICATIONS:
34 PROGRAMMING YOUR THERMOSTAT PROGRAMMING PROGRAMMING Now you are ready to program your thermostat. Thissection will help you plan and program your thermo-stat to meet your needs. For maximum comfort and efficiency, keep the fol-lowing guidelines in mind when planning your pro-gram. • When heating ...
Page 36 - to begin running the; F separation between the highest
36 8a. What time does the last person go to bed at night? b. What temperature should the house be at this time? These will be your NHT (night) tempera-ture settings. Now look at the factory preprogrammed times andtemperatures shown below. If this program will suit your needs, simply press RUN PRGM t...
Page 37 - as the weekday; as the weekday MOR cooling start; ENTERING YOUR PROGRAM; alkaline battery must be installed to perform off-wall; programming. BE SURE TO PRESS; TO
37 and cooling temperatures for consecutive time peri-ods. You can choose start times, heating tempera-tures, and cooling temperatures independently forboth weekday and weekend programs (for example,you may select 5:00 AM and 70 ° as the weekday MOR heating start time and temperature, and choose7:00...
Page 38 - Heating/Cooling Schedule Plan
38 WEEKDAY (5 DAY) WEEKEND (2 DAY) Start Time Temperature Start Time Temperature MOR HEAT DAY HEAT EVE HEAT NHT HEAT MOR COOL DAY COOL EVE COOL NHT COOL Heating/Cooling Schedule Plan
Page 42 - Enter Cooling Program
42 9. After entering your weekday heating program, repeat steps 1 through 8 for your weekend pro-gramming (keep in mind that for weekend pro-gramming, the display should be changed from 5DAY to 2 DAY). 10. When you have completed entering your heating program, press RUN PRGM . Enter Cooling Program ...
Page 43 - CHECK YOUR PROGRAMMING
43 1. Press SYSTEM HEAT-OFF-COOL-AUTO until COOL is displayed. 2. Follow the procedure for entering your heating program, using your selected cooling times andtemperatures. CHECK YOUR PROGRAMMING Follow these steps to check your thermostat pro-gramming one final time before beginning thermo-stat ope...
Page 44 - QUESTIONS AND ANSWERS; How can I permanently change a part of my
44 QUESTIONS AND ANSWERS 1. How can I permanently change a part of my program? Press VIEW PRGM until you reach the time/tempera- ture schedule you want. Then press or and TIME FWD and TIME BACK to change the pro- gram. See PROGRAMMING YOUR THERMO-STAT. 2. How can I have no change in temperature from...
Page 45 - OFF is displayed and replace the thermostat on
45 4. What happens if the electricity goes off or is manually shut off? If you have not installed a 9 volt alkaline battery,the display will go blank and the program will belost in approximately one minute. When electric-ity is restored, the thermostat will maintain aheating temperature of 64 ° F an...
Page 46 - Why won’t the setpoint temperature go to the
46 the wall. Then press SYSTEM HEAT-OFF-COOL-AUTO for desired sys- tem operation, and press RUN PRGM to begin the factory preset program. Or you may re-programthe thermostat, then replace it on the wall. To prevent further static discharge problems,touch another object to release static build-upbefo...
Page 47 - The thermostat is in the HOLD mode. Press
47 10. Why won’t the system turn on, even though the thermostat display is functioning nor-mally? Either the compressor lockout feature is in op-eration or the thermostat is not currently callingfor heat or cool. Wait about 5 minutes for thecompressor lockout to expire. If the system is stillnot run...
Page 48 - Any time you wish to turn your system off, simply; until OFF is displayed. This will; not affect your thermostat’s programming in any
48 • The compressor lockout feature is operat-ing; wait about 5 minutes for system to beginrunning. See OPERATING YOUR THER-MOSTAT. 12. Why does the blower fan keep running after the system has turned off? • You have programmed the fan to run con-tinuously during this period. See PROGRAM-MING YOUR T...
Page 49 - maintains programming, press; until; OFF is displayed, put the thermostat back on the; to select the operating mode; to start program
49 15. I live in an area where daylight savings time is observed. How do I change the thermostatclock twice a year without affecting thermo-stat programming? To change your clock, follow the instructions forsetting current time and day. See ENTERINGYOUR PROGRAM. Thermostat programming isnot affected...
Page 50 - NOTES
