Honeywell COMMERCIALPRO TB7220 User's Manual
Contents
1. E M22259 BACK OF THERMOSTAT Fig 22 Installing batteries 2 Locate and remove tab labeled Remove See Fig 23 IMPORTANT This tab must be removed in order to set the real time clock REMOVE TAB REMOVE DURING INSTALLATION M22260 Fig 23 Remove tab labeled REMOVE from thermostat back 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Locate and Mount C7089U Outdoor Temperature Sensor Optional Mount the sensor where see Fig 24 cannot tamper with settings there is good air circulation it can measure true outdoor ambient temperature surface is flat 200 feet Do not mount the sensor indirect sunlight where hot or cold air blows on the sensor Discharge line from an outdoor compressor unit vent or fan causes inaccurate temperature readings where snow ice or debris can cover it Use the following steps to mount the sensor 1 Remove the sensor from the mounting clip 2 Markthe area on the location selected for mounting the sensor mounting clip 3 Mount the clip M7514 Fig 24 Typical locations for C7089U Outdoor Sensor 63 2635 03 10 wire distance between C7089U and thermostat is less than Wire C7089U Outdoor Sensor N CAUTION Electrical Interference Noise Hazard Can cause erratic system operation Keep wiring at least one foot away from large inductive loads such as motors line2. ewe L2 A CHANGEOVER VALVE COMPRESSOR 1 SENSOR FAN RELAY AUXILIARY HEAT RELAY COMPRESSOR 2 ECONOMIZER A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED OUTDOOR INDOOR TEMPERATURE A FACTORY INSTALLED JUMPER A A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL A O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M23021 Fig 21 Typical hookup of multistage heat pump with auxiliary heat 3H 2C TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT POWER THE THERMOSTAT You can choose from three methods to power the thermostat Batteries only AAA alkaline 24 Vac direct connection only 24 Vac direct connection with battery backup AAA alkaline Wiring 24 Vac Common Single Transformer System Connect the common side of the transformer to the C screw terminal of the thermostat wallplate Leave the metal jumper wire in place between Rc and R Two Transformer System Connect the common side of the cooling transformer to the C screw terminal of the thermostat wallplate Remove the metal jumper wire between Rc and R Installing Batteries Install two AA alkaline batteries on the back of the ther mostat as marked See Fig 22 BATTERIES 2 BATTERY HOLDER
3. iaa 17 Troubleshooting Table 11 a 22 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT SPECIFICATIONS Thermostat Description See Table 1 Electrical Ratings See Table 2 Temperature Ratings Operating Ambient TB7220 O F to 120 F 18 C to 49 C C7089U C7189U 5 to 95 Shipping 30 F to 150 F 34 4 C to 65 6 C Display Accuracy 1 F 0 5 C Setpoint Range Heating 40 F to 90 F 4 C to 32 C Cooling 50 F to 99 F 10 C to 37 C Default Settings See Table 3 Humidity Ratings RH non condensing TB7220 Thermostat 5 to 90 C7089U C7189U 5 to 95 Table 1 Thermostat Description Table 3 Energy saving Default Program Settings Schedule Setpoints Period Time Heat Cool Occ1 8 00am 70 F 21 C 75 F 24 C Unocc1 10 00pm 55 F 10 C 85 F 29 5 C Occ2 Unocc2 Feature Description Powering Battery only methods 24 Vaconly 24 Vac with battery backup Gas or electric heat with air conditioning Warm air hot water high efficiency furnaces and heat pumps System types up to 2 heat 2 cool Heat only Heat only with fan Coolonly Changeover Manual or Auto changeover selectable System setting Heat Off Cool Auto Fan setting Auto On Table 2 Electrical Ratings Voltage Terminal 50 60 Hz Running Current W
4. OPERATION IN HEAT MODE BELOW BALANCE POINT OUTDOOR TEMPERATURE When the outdoor temperature is below the selected Balance Point Temperature ISU 0350 only the Fossil Fuel auxiliary heat operates and the fan G terminal does not energize when the thermostat calls for heat Heat Pump with Auxiliary Backup Heat and Outdoor Temperature Sensor 1 Choose correct heat pump application in ISU 0170 2 Choose Outdoor Temperature Sensor for Control Option in ISU 0340 3 Choose Compressor Lockout Temperature in ISU 0350 4 Choose Auxiliary Lockout Temperature in ISU 0360 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT NOTE There is a 5 F deadband between Compressor and Auxiliary Heat lockout temperatures Operation in Heat Mode When the outdoor temperature is Below Compressor Lockout Temperature only Auxiliary Heat operates Above Auxiliary Lockout Temperature only the Compressor operates Between the two temperatures both the Compressor and Auxiliary Heat operate 35 LOCKOUT TEMPERATURE AUXILIARY ONLY LLI t 5 COMPRESSOR ONLY lt AUXILIARY m 50 LOCKOUT BOTH COMPRESSOR AND TEMPERATURE m AUXILIARY HEAT c COMPRESSOR O O a o M19950 Fig 41 Heat Pump Operation with Lockout Temperatures Set Operating Sequence The thermostat energizes specific terminal s depending on the demand for heating cooling or fan The thermostat screen shows the t
5. Setup Installer Setup Default Number Name Setting All Settings Notes 06402 Clock Format 12 12 12 Hour 24 24 Hour 0650 Extended Fan 0 0 Off Not displayed with fan set to fossil or with cool only On time Heat 90 90 seconds systems 0660 Extended Fan 0 0 Off Only shown if system has cool stages On time Cool 40 40 seconds 0670 Keypad Lockout 0 0 Unlocked Unlocked All functions accessible 1 Partial Lockout 1 Partial 1 Locks all but Holiday Override and Up Down 2 Partial Lockout 2 Partial 2 Locks all but Holiday and Override 3 Fully Locked Full Entire interface locked non functional 0680 Temperature Control 2 1 Less Aggressive Only shown if system has heat stages Heat 2 Standard Only integral gains affected Affects control operation in all 3 More Aggressive control regimes not just recovery or setpoint change More Aggressive stops signal prior to reaching the setpoint For use with oversized equipment 0685 Recovery Heat 5 0 20 F hour Only shown if system has heat stages Ramp Rate 0 disables ramped recovery step setpoint change at period start time 0690 Temperature Control 2 1 Less Aggressive Only shown if system has cool stages Cool 2 Standard Only integral gains affected Affects control operation in all 3 More Aggressive control regimes not just recovery or setpoint change More Aggressive stops signal prior to reaching the setpoint For use with oversized equipment 0695 Recovery Cool 3 0 20
6. TOD energizes A during Occupied period and deenergizes 2 Economizer A during Unoccupied 0180 Heat Fan Operation O 0 Fossil Only shown for conventional system with heat stages and 1 Electric fan capability selected If heat pump is selected fan defaults to electric 0185 Pre occupancy 0 0 no duration Shown only if system has fan and schedule programmable Purge Duration 1 one hour Pre occupancy purge enabled by nonzero duration and 2 two hours sends economizer to minimum position 3 three hours 0190 Reversing Valve O B 0 0 O O B On Cool Only shown with heat pump system selected 1 B O B On Heat 0220 Cycles Per Hour 3 1 6 Only shown for system with cool stages Selection in this CPH for first stage stage changes default CPH of second stage cool compressor 0230 CPH for second 3 1 6 Only shown if two stages of cool selected stage compressor 0240 CPH for first stage 5 1 12 Only shown if system is conventional with heat stages conventional heat Selection in this stage changes default CPH of second stage heat 0250 CPH for second 5 1 12 Only shown with at least two stages conventional heat or stage conventional 2H 1C heat pump selected heat Setting available for modification in both the Installer and User setup modes 13 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Table 6 Installer Setup Menu Continued Installer Setup Ins
7. band between this and Auxiliary 30 1 0 30 F 1 0 C Lockout 35 1 5 35 F 1 5 C 40 4 5 40 F 4 5 C 45 7 0 45 F 7 0 C 0360 Heat Pump Auxiliary O 0 None Only shown for heat pump systems with more heat stages Lockout 40 4 5 40 F 4 5 C than cool selected and remote sensor selection is outdoor 45 7 0 45 F 7 0 C for control 50 10 0 50 F 10 0 C Must enforce a dead band between this and Heat Pump 55 13 0 55 F 13 0 C Compressor Lockout 60 15 5 60 F 15 5 C 0535 Temporary Occupied 3 0 no duration 0 means no limit Duration Limit 1 one hour 2 two hours 3 three hours 4 four hours 05408 Number of Periods 4 2 2 Periods Does not appear if Non programmable is chosen 4 4 Periods Applies to all days of the week With 2 selected the Cancel Period option does not appear on the display 0580 Minimum 5 0 Off Only shown if system has cool stages Compressor Off 2 2 minutes Time 3 3 minutes 4 4 minutes 5 5 minutes 0600 Heat Temperature 90 40 to 90 F 4 to 32 C Only shown if system has heat stages Range Stops 0610 Cool Temperature 50 50 to 99 F 10 to 37 C Only shown if system has cool stages Range Stops Setting available for modification in both the Installer and User setup modes 63 2635 03 14 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Table 6 Installer Setup Menu Continued Installer
8. batteries are not replaced when the Low Battery warning is flashing the LO batt screen displays continuously and the thermostat stops operating until batteries are replaced The thermostat has a low battery indicator However it is recommended that the batteries be replaced once each year Do this to prevent leakage and prevent the thermostat and HVAC system from shutting down due to lack of thermostat battery power M22322 Fig 38 Low battery signal Replace the batteries as follows 1 Remove the thermostat from the base by pulling it straight out See Fig 39 2 Install two new AA alkaline batteries with proper polar ization NOTES Always use AA alkaline batteries All programming Schedule Date and Time information is retained during battery replacement 3 Place thermostat back on subbase by aligning terminal screw blocks with the pins on the back of the thermostat See Fig 40 4 Push the thermostat straight onto the base M23024 Fig 39 Removing thermostat from subbase 63 2635 03 18 WALLPLATE TERMINAL SCREW BLOCK PINS ON BACK OF THERMOSTAT M22299 Fig 40 Placing thermostat back onto subbase Reading Remote Indoor Temperature If connected to an installed remote indoor temperature sensor the thermostat displays the indoor temperatur
9. for economizer operation the A terminal provides the occupancy signal Power indicates occupied 5 Sensor wires must have a cable separate from the thermostat control cable Terminal A Wiring Details for Economizers Wire the A terminal to the W7212 N terminal or the W7459 TR terminal When using dual transformers at the thermostat the cooling transformer must power the economizer The A signal is powered from the R terminal and energizes the economizer to signal occupied status and drive the damper to the set minimum position TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Conventional System Wiring L1 HOT L2 24 VAC HEAT RELAY ECONOMIZER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED L1 HOT 24 VAC L2 HEAT RELAY COMPRESSOR CONTACTOR FAN RELAY ECONOMIZER N POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD A FACTORY INSTALLED JUMPER PROTECTION AS REQUIRED OUTDOOR INDOOR TEMPERATURE SENSOR OUTDOOR INDOOR TEMPERATURE SENSOR A A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS FACTORY INSTALLED JUMPER OPTIONAL aie A WHEN USING BATTERIES THE 24V COMMON CONNECTION SOP NAY en Fig 14 Typical hookup of heat only system Fig 12
10. is not a heat pump but the System Type ISU 0170 is set to Heat Pump Set System Type ISU 0170 to match the installed heating and or cooling equipment Heating and cooling wires are shorted together Separate the shorted heating and cooling wires 63 2635 03 22 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Table 11 Troubleshooting Continued Symptom Heating equipment is running in the cool mode Possible Cause Heating equipment is not a heat pump but System Type ISU 0170 is set to Heat Pump Action Set System Type ISU 0170 to match the installed heating and or cooling equipment Heating equipment does not turn off and heat temperature setting is set below room temperature Heat On is not in the display Heating equipment is not a heat pump but System Type ISU 0170 is set to Heat Pump Set System Type ISU 0170 to match the installed heating and or cooling equipment Cannot set the system setting to Heat System Type ISU 0170 is set to Cool Only Set System Type ISU 0170 to match the installed heating and or cooling equipment Cannot set the system setting to Cool System Type ISU 0170 is set to Heat Only or Heat Only with Fan Set System Type ISU 0170 to match the installed heating and or cooling equipment Heat On is not in the display System setting is not set to Heat and or temperature setting is not set above room tempe
11. is recommended Wire Indoor Sensor N CAUTION Electrical Interference Noise Hazard Can cause erratic system operation Keep wiring at least one foot away from large inductive loads such as motors line starters lighting ballasts and large power distribution panels 1 Check Installer Setup Number ISU 340 to ensure it is set to the desired value See Table 6 Wire sensor to S1and S2 thermostat terminals Push excess wire back into the hole Plug the hole using nonhardening caulk putty or insulation to prevent drafts from affecting performance Remove sensor cover Mount sensor to the wall or junction box using the screws and anchors provided Level the sensor for appearance only Device functions correctly even when not level 7 Install sensor cover wh o OF Sensor Wiring for Temperature Averaging SUBBAS M22831 Fig 26 Wiring four T7770A1006 20K ohm Sensors SUBBASE T17770A3002 17770A3002 THE T7770A3002 IS A 10K OHM SENSOR M22933 Fig 27 Wiring two T7770A3002 10K ohm Sensors to provide a temperature averaging network TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT SUBBASE tHE T7770A3002 IS A 10K OHM SENSOR jy99934 Fig 28 Wiring two T7770A1006 20K ohm Sensors and one T7770A3002 10K ohm sensor to provide a temperature averaging network S1 C7189 C7189 bo bo C7189 C7189 N WIRES MUST HAVE A CABLE SEPARATE FROM THE TH
12. of the C7089U 60 in leadwires Use an ohmmeter to measure the resistance across the sensor Then compare sensor accuracy with the temperature resistance curve in Fig 42 C7189U Remote Indoor Temperature Sensor Operation When installed with Thermostat ISU 0340 set to 3 the remote inside temperature is displayed on the Thermostat Home Screen as Inside Temperature The thermostat internal temperature sensor is not used The C7189U can be used to provide one remote sensor input or as a temperature averaging network with multiple C7189U Sensors connected as shown in Fig 29 Checkout For best results allow C7189U Wall Mount Temperature Sensor to absorb the air moving through the room for a minimum of twenty minutes before taking a resistance measurement With an accurate thermometer 1 F 0 5 C measure the temperature at the sensor location allowing time for the thermometer to stabilize before reading To verify sensor resistance remove one wire from one of C7189U wiring terminals Use an ohmmeter to measure the resistance across the sensor Then compare sensor accuracy with the temperature resistance curve in Fig 42 RESISTANCE OHMS 10K OHM AT 77 F 25 C 0 40 20 0 20 40 60 80 40 30 20 10 0 10 20 30 40 50 C TEMPERATURE DEGREES M22823 100 120 F Fig 42 10K ohm sensor resistance versus temperature 21 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT T7770A Remote Temperature Sens
13. wait 5 seconds 4 Press CANCEL or SCHEDULE to cancel Hold Tempera ture Until and resume the schedule OVERRIDE Changes temperature setting until the next period takes effect For use during Unoccupied periods 1 Press OVERRIDE The settings change by default to the next Occupied period NOTE Changes are limited to those allowed by the lockout level 2 Press Up or Down arrow to change the override temper ature and NEXT to adjust override time HOLIDAY Changes temperature setting for a designated number of days Press MORE and then HOLIDAY The screen shows Hold Until 1 DAYS 1 Press Up or Down arrow to change the temperature desired for the thermostat to override the schedule 2 Press NEXT to change the desired days for the duration of the holiday 3 To cancel the Holiday Override early press CANCEL Fan Status Displayed on Main Screen When the thermostat is running the fan the fan blade symbol amp appears next to FAN to indicate the thermostat has the fan on NOTE Ifthe thermostat is not controlling the fan typical for many gas forced air heating systems the fan blade symbol amp will not appear even though the fan may be running Replacing Batteries Not all thermostat models require batteries If the thermostat has batteries a low battery warning see Fig 38 flashes on the main screen for approximately 30 days 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT NOTES If
14. ERMOSTAT CABLE M13667 Fig 29 Wiring four C7189U 10K ohm Sensors to provide a temperature averaging network SET CALENDAR AND TIME This thermostat is designed to under normal use automatically keep current time and day in memory for up to ten years once the calendar is set There are two ways to set the calendar for this thermostat Setting Calendar Once Functioning See steps 1 through 4 in the Advanced Settings section to set year month and day Setting Calendar When First Powered When first powered the thermostat proceeds through a sequence of screens to set the calendar When first powered the thermostat proceeds through a sequence of screens to set the calendar See Fig 30 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT UP AND DOWN BUTTONS CHANGES MONTH DAY AND YEAR MONTH YEAR DAY Tue D ann DONE BUTTON ADVANCES TO TIME SETTING SCREEN NEXT BUTTON ADVANCE TO NEXT SETTING M22302 GO BACK BUTTON GOES BACK TO LAST SETTING Fig 30 Setting calendar when thermostat is first powered UP AND DOWN BUTTONS CHANGES TIME DONE BUTTON ADVANCES TO HOME SCREEN M22303 Fig 31 Setting time when thermostat is first powered INSTALLER SETUP Advanced Settings The thermostat has advanced settings to match the HVAC system These settings can be adjusted to match specific needs There are two diff
15. F hour Only shown if system has cool stages Ramp Rate 0 disables ramped recovery step setpoint change at period start time 0700 Temperature Display 0 3 1 5 3 F 1 5 C This offset applies to both the control temperature and to Offset 2 1 0 2 F 1 0 C the display temperature for indoor sensor and remote 1 0 5 1 F 0 5 C jindoor sensor 0 0 0 0 F 0 0 C 1 0 5 1 F 0 5 C 2 1 0 2 F 1 0 C 3 1 5 3 F 1 5 C 0710 Restore Factory 0 0 No Resets all Installer Setup parameters to default values and Defaults 1 Yes resets the schedule to the default energy saving program Retains only calendar settings and time INSTALLER SYSTEM TEST ITEMS Test 1 Installer Test 0 0 Off Cool 1 Cool Stage 1 2 Cool Stage 2 Test 2 Installer Test 0 0 Off Fan 1 Fan On Test 3 Installer Test 0 0 Off Heat 1 Heat Stage 1 2 Heat Stage 1 and 2 3 Heat Stage 1 2 and 3 Test 4 Installer Test 0 0 Auxiliary Heat Off Auxiliary Heat 1 Auxiliary Heat On Test 8 Installer Test 0 0 TOD Economizer Off TOD Economizer 1 TOD Economizer On Setting available for modification in both the Installer and User setup modes NOTE Press the Done button to exit the Installer System Test 15 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT MAIN SCREEN DOWN BUTTON LOWERS TEMPERATURE SETTING OR MAKES SELECTIONS IN OTHER SCREENS UP ARROW BUTTON RAISES TEMPERATU
16. Heating 20 30 Vac 0 02 1 0A Y Cooling 20 30 Vac 0 02 1 0A G Fan 20 30 Vac 0 02 0 60A A Economizer TOD 20 30 Vac 0 02 1 0A ORDERING INFORMATION Cycle Rates at 50 Load Heating Selectable 1 12 cycles per hour Cooling Selectable 1 6 cycles per hour Interstage Differential Droopless control Once the first stage is running at 90 load the thermostat energizes the second stage Cool Indication Displays Cool On when Cool is activated Heat Indication Displays Heat On when Heat is activated Auxiliary Heat Indication Displays Aux Heat On when Auxiliary Heat is activated Clock Accuracy 1 minute per month Finish TB7000 Premier White color C7189U Wall Mount Remote Indoor Sensor Premier White color T7770A Wall Mount Remote Indoor Sensor Premier White color Batteries Two replaceable AA alkaline batteries Power thermostat when 24 Vac common is not used Non replaceable lithium battery with ten year life Under nor mal conditions holds calendar and time settings NOTE Alkaline batteries keep calendar and time if lithium battery is no longer functional Resistance Characteristics of Remote Sensors C7089U Outdoor Sensor 10K ohm NTC C7189U Remote Indoor Sensor 10K ohm NTC C7772 Flush Mount Remote Indoor Sensor 20K ohm NTC T7770A1006 Wall Mount Remote Indoor Sensor 20K ohm NTC T7770A3002 Wall Mount Remote Indoor Sen
17. Honeywell TB7220 COMMERCIALPRO Programmable Thermostat Ge wass Commercial APPLICATION The TB7220 COMMERCIALPRO 7000 Programmable Thermostat is an effortless seven day programmable thermostat that provides universal system compatibility precise comfort control and is easy to program PRODUCT DATA The TB7220 provides temperature control for gas oil electric and heat pumps for up to 2 heat 2 cool systems FEATURES Large clear display with backlight shows the current and set temperature and time even in the dark Menu driven programming make setup effortless Beautiful ergonomic design is smart and sophisticated to match your customers lifestyle Real time clock keeps time during power failures and automatically updates to daylight savings Saving Changes notification lets you know when the schedule changes have been saved Change reminders let you know when to replace the batteries Holiday Override options allow you to override the program schedule as desired Speedy same schedule programming no need to copy multiple days Armchair programming allows you to remove the Contents Application sessssssssses eee 1 seem 2 Ordering Information esee 2 Installatioip ay p 4 lj aaa aaa kamasqa asqa as kasaae kashay atas pusaka 5 Installer Setup u ll lll aa uu em 12 OperatiofYa uuu
18. NNECT TO THE COOLING TRANSFORMER SECONDARY M23017 Fig 17 Typical hookup of dual transformer multistage system up to 2H 2C L1 HOT 24 VAC L2 FAN RELAY OUTDOOR INDOOR TEMPERATU RPA SENSOR CHANGEOVER VALVE ECONOMIZER COMPRESSOR 1 COMPRESSOR 2 A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL A O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M23019 Fig 19 Typical hookup of multistage heat pump with no auxiliary heat 2H 2C L1 HOT 24 VAC A OUTDOOR INDOOR TEMPERATURE SENSOR AUXILIARY HEAT RELAY A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP A OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M23020 Fig 20 Typical hookup of single stage heat pump with auxiliary heat 2H 1C L1 HOT
19. OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL M29016 Fig 16 Typical hookup of single transformer multistage system up to 2H 2C Heat Pump System Wiring L1 HOT 24 VAC L2 CHANGEOVER VALVE OUTDOOR INDOOR TEMPERATURE COMPRESSOR CONTACTOR SENSOR FAN RELAY ECONOMIZER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A FACTORY INSTALLED JUMPER WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL A O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE M23018 Fig 18 Typical hookup of single stage heat pump with no auxiliary heat 1H 1C 63 2635 03 8 L1 HOT 24 VAC L2 COOLING TRANSFORMER FAN RELAY OUTDOOR INDOOR TEMPERATURE A COOL RELAY 1 COOL RELAY 2 SENSOR L1 e HOT HEAT RELAY 2 HEAT RELAY 1 24 VAC ECONOMIZER L2 HEATING TRANSFORMER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A REMOVE FACTORY INSTALLED JUMPER A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL WHEN USED THE COMMON MUST CO
20. RE SETTING OR MAKES SELECTIONS IN OTHER SCREENS m Honeywell Set To co 0 SS LW DS in System Fan Auto System amp Fan Schedule Clock amp More SCHEDULE BUTTON SELECTS PROGRAMMING MODE SYSTEM amp FAN BUTTON SELECTS FAN AUTO OR ON SELECTS HEAT OFF COOL AND EM HEAT MORE BUTTON SELECTS TIME AND FURNACE FILTER INFORMATION M22316 Fig 34 Main screen selections SHOWS CURRENT TEMPERATURE DAY OF WEEK SETTING Honeywell Mon co EJ 505 TB Heat On System Fan Auto e System amp Fan b Clock amp More INDICATES SYSTEM SETTING THERMOSTAT IS CALLING FOR COOL OR HEAT CURRENT FAN SETTING M22847 Fig 35 Main screen display 63 2635 03 PROGRAMMING Table 7 shows default program settings Table 7 Energy saving Default Program Settings Schedule Setpoints Period Time Heat Cool Occ1 8 00am 70 F 21 C 75 F 24 C Unocc1 10 00pm 55 F 10 C 85 F 29 5 C Occ2 Unocc2 Fan Settings Auto Fan runs only when heating cooling system is on See the Fan Schedule section for more information On Fan runs continuously System Settings Heat Thermostat controls the heating system Off Both heating and cooling systems are off Cool Thermostat controls the cooling system Auto Thermostat automatically cha
21. Typical wiring of single transformer 1H 1C system e L1 HOT L1 A HOT C LI gr c 24 VAC L2 COOLING TRANSFORMER COMPRESSOR CONTACTOR OUTDOOR INDOOR TEMPERATURE T t n Retay RELAY SENSOR OUTDOOR INDOOR TEMPERATURE SENSOR s FAN RELAY COMPRESSOR CONTACTOR ECONOMIZER POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD 24 VAC ECONOMIZER PROTECTION AS REQUIRED HEAT RELAY L2 A FACTORY INSTALLED JUMPER HEATING TRANSFORMER A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL M23015 A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED Fig 15 Typical hookup of cool only system A REMOVE FACTORY INSTALLED JUMPER A WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL WHEN USED THE COMMON MUST CONNECT TO THE COOLING TRANSFORMER SECONDARY M23012 Fig 13 Typical hookup of dual transformer 1H 1C system 7 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT L1 HOT 24 VAC L2 OUTDOOR INDOOR COOL RELAY 1 COOL RELAY 2 TEMPERATURE 4 SENSOR FAN RELAY HEAT RELAY 2 HEAT RELAY 1 ECONOMIZER POWER SUPPLY PROVIDE DISCONNECT MEANS AND
22. Y Compressor output C see Note 2 Common wire from secondary side of cooling system transformer System Type Identifications Figure Standard Heat Cool Conventional 12 13 Heat Only Conventional 14 Cool only Conventional 15 Standard Multistage Conventional 16 17 up to 2 Heat 2 Cool Heat Pump Heat Pump 18 19 No Auxiliary Heat Heat Pump Heat Pump 20 21 with Auxiliary Heat Multiple T7770A 26 27 28 Sensors Multiple C7189U 29 Sensors 63 2635 03 W Heat relay G Fan relay W2 Second stage heat relay Y2 Second stage cooling O B Changeover valve for heat pumps see Note 3 A Economizer Time Of Day TOD output see Note 4 powered via R terminal S1 Optional outdoor or indoor remote sensor See Note 5 S2 Optional outdoor or indoor remote sensor See Note 5 NOTES 1 When used in a single transformer system leave metal jumper wire in place between Rc and R If used on a two transformer system remove metal jumper wire between Rc and R 2 Common wire is optional when thermostat is used with batteries When using separate transformers for heating and cooling the common must come from the cooling transformer 3 If thermostat is configured for a heat pump in the Installer Setup configure changeover valve for cool O factory setting or heat B 4 Reference economizer literature for wiring details When set
23. ced Settings section Temperature Recovery The thermostat is equipped with a feature to eliminate guesswork when setting a schedule That is the user need not know the amount of time for the HVAC system to bring the space to temperature without overshoot prior to the scheduled time The thermostat manages that automatically Simply set the program schedule to the desired time to have the space at comfort temperature In addition program the temperature to this comfort temperature The thermostat activates the heating or cooling at the proper time to reach the scheduled temperature at the scheduled time NOTE The setpoint changes gradually to use economical stages and avoid overshoot For example the space will be occupied at 8 00 AM and the desired temperature is 70 F Set the OCC 1 period for 8 00 AM and 70 F The thermostat turns on the heat prior to 8 00 AM to raise the temperature to 70 F by 8 00 AM The thermostat provides an alert that the heating or cooling system is coming on before a scheduled time by displaying Recovery on the screen 19 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Minimum Off Timer Compressor Protection The thermostat has an adjustable Minimum Off Timer that can be set from zero to five minutes Factory Setting five minutes The Minimum Off Timer can be bypassed through the Installer System Test or it can be bypassed permanently by setting the Minimum Off Timer to 0 minutes in the In
24. e from the remote sensor s NOTE If connected to an installed remote indoor temperature sensor the thermostat internal sensor is not used ONE REMOTE INDOOR SENSOR INSTALLED If one remote indoor temperature sensor is used the screen showing the nside temperature reading displays the temperature at the indoor remote sensor location MULTIPLE REMOTE INDOOR SENSORS INSTALLED If more than one remote indoor sensor is used the screen showing the nside temperature reading displays the average of all the remote indoor sensors Reading Outdoor Temperature If connected to an outdoor sensor the thermostat can display the Outside temperature VIEW OUTSIDE TEMPERATURE View the outdoor temperature by pressing MORE until the outside temperature shows where the ndoor temperature was displayed The word Outdoor will be displayed on the LCD Screen Locked Portions of the touch screen interface can be fully or partially locked See the Advanced Settings section for information to use these features When the thermostat displays LOCKED the buttons are either fully or partially locked Fully Locked Screen In this mode the entire interface is locked and not functional To unlock screen see the Advanced Settings section The screen continuously displays SCREEN LOCKED Partially Locked Screen When partially locked Pressing a locked key prompts the screen to indicate SCREEN LOCKED for five to seven seconds Pressing an u
25. e settings do not change The upper or lower temperature limits were reached Check temperature setpoints Check ISU 0600 and 0610 modify as needed The keypad is fully locked Check ISU 0670 to change keypad locked options Heating or cooling does not come on Thermostat minimum off time is activated Wait up to five minutes for the system to respond System selection is not set to Heat or Cool Set system Selection to correct position System type Selection is incorrect Check ISU 0170 and make sure correct System type is chosen Thermostat is calling for Heat Heat on or Cool Cool on but no heating or cooling is running Heating or cooling equipment is not operating Check wiring Check ISU 0170 and make sure correct system type is chosen Verify operation of equipment in System Test mode Heat does not turn on Heat On is solid in the display Cooling does not turn on Cool On is solid in the display Heating equipment failure Loose or broken wire connection between thermostat and heating equipment Cooling equipment failure Check for 24 Vac at the equipment on the secondary side of the transformer between power and common If voltage is not present check the heating equipment to find the cause of the problem Check for 24 Vac between the heat terminal W and transformer common If 24 Vac is present the thermostat is functional Check the heating equipment
26. erent groups of settings A complete set designed for the installation use A simple set to limit accessibility for typical users Installer Settings Complete Set Access to the installer settings is obtained as follows 1 From the main screen press SYSTEM Five blank touch keys show on the bottom of the screen between DONE and CANCEL 2 Press and hold the two blank keys on either side of the center blank key for approximately five seconds See Fig 32 63 2635 03 12 3 The Setup Number displays to the lower left area of the screen It is a four digit code beginning with zero The current setting is displayed to the right NOTE To cycle through the Setup Numbers press the up or down arrow Honeywell Tue m m IL Z LJ 3 hi Fan Auto lea System amp Fan Schedule Clock amp More M22304 Fig 32 Entering Installer Setup User Settings Simple Set Access to the user settings is obtained as follows 1 From the main screen press SYSTEM Five blank touch keys show on the bottom of the screen between DONE and CANCEL 2 Press and hold the center blank key approximately five seconds 3 The Setup Number displays to the lower left area of the screen It is a four digit code beginning with zero The current setting is displayed to the right NOTE To cycle through the Setup Numbers press the up or down arrow Fan Auto System Heat Off Cool Fan Sys
27. ime inside temperature system and fan selections Additional indicators are shown when the heating cooling or fan is energized See Tables 9 and 10 for specification information Table 9 Sequence of Operation for Conventional Systems System Fan Energize Screen Setting Setting Call for Action Terminals Message Off Auto Cool Auto Cool Auto Stage 1 Y G Cool On or Auto Cooling Cool Auto Stages 1 and 2 y y2a G Cool On or Auto Cooling Heat Auto Heat Auto Stage 1 W G5 Heat On or Auto Heating Heat Auto Stages 1 and 2 w w2 Gb Heat On or Auto Heating a f Installer Setup System type is set to two stages of cooling bG energizes only if Installer Setup 0180 is set to Electric If Installer Setup System type is set to two stages of heating 63 2635 03 20 Table 10 Sequence of Operation for Heat Pump Systems System Fan Energize Screen Setting Setting Call for Action Terminals Message Off Auto O B8 Cool Cool Auto Stage 1 Cooling Y G o Ba Cool On Aut dca Stages 1and2 Y vo G Cooling O B Heat Auto None O B Heat Auto Stage 1 Heating y G o B Heat On or Auto m Stages 1 and2 jy wie G Auxiliary Heating O B Heat On Stages 1 2 and 3 jy v2b Heating W19 G O B a Configure O B in Installer Setup Based on last piece of equipment called cooling O heat
28. ing B If Installer Setup System Type is set to 3Heat 2Cool Heat Pump with Auxiliary Heat If Installer Setup System Type is set to 2Heat 1Cool Heat Pump with Auxiliary Heat d This terminal does not energize if Installer Setup System type is set to 2 Heat 2 Cool Heat Pump with no Auxiliary Heat Second Stage Heat and Cool Control While maintaining setpoint several factors affect when 2nd stage energizes such as load conditions environmental conditions P I control and home insulation The second stage energizes when the thermostat senses 1st stage is running at 90 capacity This operation is droopless control Temperature Sensor Operation and Checkout Allow outdoor or indoor temperature sensor to absorb the air for a minimum of five minutes before taking a reading See the Sensor instructions for more information NOTE The C7089U C7189U and T7770A Temperature Sensors are calibrated at the factory and cannot be recalibrated in the field C7089U Outdoor Temperature Sensor Operation When installed with Thermostat ISU 0340 set to 1 or 2 the thermostat can display outside temperature Checkout Allow C7089U Outdoor Sensor to absorb outdoor air for a minimum of twenty minutes before taking a reading With an accurate thermometer 1 F 0 5 C measure the temperature at the sensor location allowing time for the thermometer to stabilize before reading To verify sensor resistance remove one wire from one
29. mostat See Fig 7 WALLPLATE WIRE HOLE THERMOSTAT M22267 Fig 7 Separate wallplate from thermostat TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Install Wallplate See Fig 8 NOTES Mount the thermostat horizontally on the wall Bail e S for terminal designation 1 Pull the wires through the wire hole on the wallplate sSeeFig 12 through 21 for wiring diagrams for 2 Position the wallplate on the wall with the arrow pointing specific equipment applications up Level the wallplate for appearance only 3 Use a pencil to mark the mounting holes 4 Remove the wallplate from the wall and drill two 3 16 in holes in the wall if drywall as marked For firmer material such as plaster drill two 7 32 in holes Tap the wall anchors provided into the drilled holes until flush HEAT PUMP with the wall conventions N 5 Pull the wires through the wire hole on the wallplate and Y 7 position the wallplate over the wall anchors 6 Insert the mounting screws into the wall anchors and tighten WALL WIRES THROUGH WALL AND WIRE SLOT WALL ANCHORS 2 Select set of terminal identifications that correspond to your system type conventional or heat pump See Fig 9 SCREW TERMINALS M13663 A FACTORY INSTALLED JUMPER a e lt Fig 9 Terminal identifications for system type SY Z Z xe 2 Loosen screw terminals used for the ap
30. n bg TEMPERATURES GoBack Next Step Done DOWN ARROW CHANGES TIME a ON J AND TEMPERATURES GO BACK BUTTON GOES BACK TO THE LAST SCHEDULE STEP NEXT STEP BUTTON ADVANCES PERIOD TIME HEAT AND COOL TEMPERATURES M22333 DONE BUTTON EXITS AND SAVES CHANGES MADE TO SCHEDULE Fig 37 Screen to edit existing settings 11 When complete press DONE SAVING CHANGES appears on the screen to indicate changes are being saved to the day s modified 12 To exit schedule without saving changes press CANCEL any time Setting Time 1 Press CLOCK 2 Use arrows to set current time 3 Press DONE IMPORTANT The current day of the week should already be set correctly If not see the Advanced Settings section to set the day 17 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT OPERATION Setting Temperature Overrides There are three temperature override options Hold Temperature Until Override and Holiday HOLD TEMPERATURE UNTIL Holds the temperature temporarily until the time set by the user or the next scheduled period time 1 Press the Up or Down arrow next to the temperature to adjust The Hold Until time appears on the screen The time defaults to the next scheduled period start time 2 Press NEXT to adjust the time for the thermostat to resume schedule NOTE The installer setup can limit the length of time for an override to 1 2 3 or 4 hours beyond the current time 3 Press DONE or
31. nges between heat and cool operation depending on indoor temperature Programming Heating and Cooling Schedule The thermostat can control up to four different schedule periods per day OCC 1 Work arrival time Period to keep space at a comfortable temperature UNOCC1 Work exit time Period to keep space at an energy saving temperature OCC 2 Second occupied period UNOCC2 Second unoccupied period NOTE Available schedule times are at 15 minute intervals Editing Schedule Press MORE Press SCHEDULE Press EDIT Press SELECT DAY to select the days you wish to schedule Press NEXT when finished selecting days PONS e NOTES Multiple days can be selected To skip over a day press the Up or Down arrow keys Checkmarks appear next to selected days These are scheduled with identical times and tempera tures Honeywell Select Day Next Step Cancel M22332 Fig 36 Initial schedule edit screen 6 OCCUPIED 1 flashes denoting the period that is about to be edited 7 Press NEXT and the start time for that period flashes 8 Change the start time by pressing the Up and Down arrow keys 9 Press NEXT to edit the heating and cooling setpoints 10 Continue to cycle through the remaining periods and make changes by pressing the NEXT key DAYS SCHEDULE HEAT OR COOL SELECTED PERIOD TEMPERATURES int UP ARROW CHANGES TIME 1 um Z AND 2 ba
32. nlocked key with SCREEN LOCKED active removes SCREEN LOCKED from the display PARTIAL LOCKOUT 1 This mode locks all keys except HOLIDAY OVERRIDE and temperature Up Down arrows User can change the temperature setpoint but cannot change schedule settings The temporary temperature change lasts until next scheduled period The screen displays that time User can change the temperature setpoint but cannot change schedule settings Pressing HOLIDAY sets the temperature to the Unoccupied setting for the selected period of time The next Occupied period switches back to the program settings Pressing OVERRIDE sets the temperature to the Occupied setting for the selected period of time The next Unoccupied period switches back to the program settings To cancel the temperature override and follow the programmed schedule press CANCEL To unlock the screen see Advanced Settings section PARTIAL LOCKOUT 2 This mode locks all keys except HOLIDAY and OVERRIDE Pressing HOLIDAY sets the temperature to the Unoccupied setting for the selected period of time The next Occupied period switches back to the program settings Pressing OVERRIDE sets the temperature to the Occupied setting for the selected period of time The next Unoccupied period switches back to the program settings To cancel the temperature override and follow the programmed schedule press CANCEL To unlock the screen see Advan
33. ns mercury in a sealed tube do not place your old control in the trash Dispose of properly Contact your local waste management authority for instructions regarding recycling and the proper disposal of an old control INSTALLATION n Installing this Product Read these instructions carefully Failure to follow them could damage the product or cause a hazardous condition 2 Checkratings given in instructions and on the product to ensure the product is suitable for your application 3 Installer must be a trained experienced service technician 63 2635 03 4 After installation is complete check out product operation as provided in these instructions N CAUTION Electrical Shock or Equipment Damage Hazard Can shock individuals or short equipment circuitry Disconnect power supply before installation Select Thermostat Location Select a location for the thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature See Fig 6 1 5 METERS M22258 Fig 6 Select thermostat location Do not install the thermostat where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Unheated uncooled areas such as an outside wall behind the thermostat Separate Wallplate from Thermostat 1 Separate the wallplate from the ther
34. or Operation When installed with Thermostat ISU 0340 set to 3 or 4 the remote inside temperature is displayed on the Thermostat Home Screen as Inside Temperature The thermostat internal temperature sensor is not used The T7770A can be used to provide one remote sensor input or as a temperature averaging network with multiple T7770A Sensors connected as shown in Fig 26 through 28 Checkout For best results allow T7770A Wall Mount Temperature Sensor to absorb the air moving through the room for a minimum of twenty minutes before taking a resistance measurement With an accurate thermometer 1 F 0 5 C measure the temperature at the sensor location allowing time for the thermometer to stabilize before reading To verify sensor resistance remove one wire from one of the wiring terminals Use an ohmmeter to measure the resistance across the sensor Then verify the sensor accuracy with the temperature resistance in Fig 43 RESISTANCE OHMS 30 40 50 60 70 80 90 100 110 F 0 10 20 30 40 C TEMPERATURE DEGREES M5874A Fig 43 20K ohm sensor resistance versus temperature 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT TROUBLESHOOTING TABLE 11 Table 11 Troubleshooting Symptom Display does not come on Possible Cause Thermostat is not being powered Action Check for 24 Vac between C and Rc Check that AAA batteries are installed correctly and are good Temperatur
35. plication d ae u 3 Insertthe wires into the terminal block and tighten each ee aqo screw terminal See Fig 10 M13665 MOUNTING SCREWS 2 Fig 8 Install wallplate I M13666 Electrical Shock Hazard WIREHIDOLE Can cause electrical shock or equipment damage Disconnect power supply before connecting wiring Fig 10 Insert wires into terminal block IMPORTANT 4 Push excess wire back into the wall opening and restrict All wiring must agree with applicable codes wires to the shaded area See Fig 11 f ordinances and regulations 5 Plug the wall opening with nonflammable insulation to Use 18 gauge thermostat wire Shielded cable is not prevent drafts from affecting the thermostat required 5 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT WALLPLATE B B D IB B eoooosS WALL OPENING SHADED AREA Fig 11 Restrict wires to shaded area of wire hole Table 4 Wiring Diagrams M22266 Wallplate Terminal Wiring Diagram Table 5 Terminal Designation Descriptions Terminal Designation Rc see Note 1 Description Power for cooling connect to secondary side of cooling system transformer R see Note 1 Power for heating connect to secondary side of heating system transformer
36. rature Set the system setting to Heat and set the temperature setting above the room temperature Cool On is not in the display System setting is not set to Cool and or the temperature setting is not set below room temperature Set the system setting to Cool and set the temperature setting below the room temperature Wait is in the display Compressor minimum off timer is active Wait up to five minutes for the cooling or heating heat pump equipment to turn on Screen Locked appears on the screen and all or some of the keys do not respond The keypad is fully or partially locked Check ISU 0670 to change keypad locked options 23 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Toronto Ontario M1V 4Z9 customer honeywell com U S Registered Trademark 2011 Honeywell International Inc 63 2635 03 M S Rev 03 11 Printed in U S A Honeywell
37. sor 10K ohm NTC When purchasing replacement and modernization products from your TRADELINE wholesaler or distributor refer to the TRADELINE Catalog or price sheets for complete ordering number If you have additional questions need further information or would like to comment on our products or services please write or phone 1 Your local Honeywell Automation and Control Products Sales Office check white pages of your phone directory 2 Honeywell Customer Care 1885 Douglas Drive North Minneapolis Minnesota 55422 4386 In Canada Honeywell Limited Honeywell Limit e 35 Dynamic Drive Scarborough Ontario M1V 4Z9 International Sales and Service Offices in all principal cities of the world Manufacturing in Australia Canada Finland France Germany Japan Mexico Netherlands Spain Taiwan United Kingdom U S A 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT Calibration TB7220 C7089U C7189U T7770A No field calibration required Mounting Means TB7220 Direct wall mount using mounting screws and anchors provided Fits standard vertical or horizontal 2 in x 4 in junction box C7089U Mounts outside of living space with mounting clip and Screws provided C7189U T7770A Mounts directly on the wall using mounting Screws and anchors provided Fits a vertical 2 x 4 in junc tion box BRACKET Cover Plate 32003796 001 Cover Plate is used to cover marks left on the wall by the old thermo
38. staller Setup The Minimum Off Timer is activated after the compressor turns off If the thermostat is system powered common wire the Minimum Off Timer is also activated upon initial startup and after power interruptions f there is a call for cooling or heating during the Minimum Off Time the thermostat displays Wait When the Minimum Off Timer expires Cool On or Heat On heat pumps only appears solidly in the display and the compressor and fan turn on Economizer TOD Logic Table 8 Table 8 Operation of Terminal A Effective Call for Terminal A Occupancy Cool Economizer TOD Occupied Energized Energized Unoccupied Yes Energized De energized No De energized De energized Override Energized Energized Heat Pump Temperature Lockouts Dual Fuel Heat Pump and Outdoor Temperature Sensor In this operation there is no external fossil fuel kit dual fuel kit installed the thermostat controls this function 1 Choose correct heat pump application in ISU 0170 2 Choose Outdoor Temperature Sensor for Heat Pump Temperature Lockouts Option in ISU 0340 3 Choose appropriate Balance Point Temperature in ISU 0350 OPERATION IN HEAT MODE ABOVE BALANCE POINT OUTDOOR TEMPERATURE When the outdoor temperature is above the selected Balance Point Temperature ISU 0350 only the compressor operates and the fan G terminal energizes when the thermostat calls for heat
39. starters lighting ballasts and large power distribution panels Use shielded cable to reduce interference when rerouting is not possible 1 Wire C7089U Outdoor Sensor to S1and S2 terminals on the thermostat If leadwire provided is not long enough 60 in run a cable to a hole at C7089U location a Using color coded 18 gauge thermostat wire is recommended For example of general wiring of C7089U see Fig 25 Mount C7089U in its mounting clip Plug wiring hole using nonhardening caulk or putty N WIRING HOLE j THROUGH A STRUCTURE A USE APPROPRIATE MOUNTING MEANS FOR THE TYPE OF STRUCTURE A PLUG WIRING HOLE WITH NON HARDENING CAULK OR PUTTY M13684 Fig 25 Wire C7089U Outdoor Sensor to the thermostat Locate and Mount T7770A or C7189U Remote Indoor Temperature Sensor Optional Locate and mount the sensor in the same fashion as the thermostat See the Select Thermostat Location section Consider the following as well 1 Be sure wire distance between sensor and thermostat is less than 200 feet 2 Mark the area on the wall selected for mounting the sensor or junction box Sensor wire must be separate from the thermostat cable Run wire cable to a hole at the selected wall location Pull approximately three inches of wire through the opening m NOTE Color coded 18 gauge wire
40. stat Dimensions TB7220 Thermostat See Fig 1 MEDIUM COVER PLATE C7089U Outdoor Sensor Mounting Clip See Fig 3 C7189U Remote Indoor Sensor see Fig 5 Edited TEM T7770A See Fig 4 32003796 001 Cover Plate See Fig 2 eoooes LARGE COVER PLATE THERMOSTAT AN BRACKET FOR MOUNTING ON JUNCTION BOX NOT INCLUDED AND WALLPLATE WITH COVER PLATE A USE BOTTOM MOUNTING HOLES M13669 1 3 8 35 Fig 2 32003796 001 Cover Plate dimensions in in mm 1 1 2 38 3 3 4 95 M13668 Fig 1 TB7220 Thermostat H M4488 dimensions in in mm Fig 3 C7089U Outdoor Sensor Mounting Clip dimensions in in mm 3 63 2635 03 TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT US KNOCKOUTS FOR EUROPEAN APPLICATIONS i 60 STANDARD UTILITY CONDUIT 5 146 BOX 2 X 4 128 MOUNTING HOLES Y 15 16 a 23 2 3 8 60 4 3 3 16 80 M22936 Fig 4 T7770A dimensions in in mm 4 5 8 117 Honeywell 4 1 1 8 ES 2 3 4 70 29 M4465 FRONT VIEW SIDE VIEW Fig 5 C7189U Indoor Sensor dimensions in in mm MERCURY NOTICE If this control is replacing a control that contai
41. taller Setup Default Number Name Setting All Settings Notes 0260 CPH for third Stage 9 1 12 Only shown if 3H 2C heat pump is selected Heat 0270 CPH for Auxiliary 9 1 12 Only shown if multi stage heat pump is selected heat Heat pump with more heat than cool stages 0280 Continuous 0 0 No Always shown If AC power not present the option is Backlight 1 Yes overridden and normal backlight operation occurs 0300 Changeover 1 0 Manual Only shown if system has both heat and cool stages 1 Auto 0310 Deadband 3 F 2 1 5 2 F 1 5 C Only shown if Automatic Changeover Selected 2 C 3 2 0 3 F 2 0 C 4 2 5 4 F 2 5 C 5 3 0 5 F 3 0 C 6 3 5 6 F 3 5 C 7 4 0 7 F 4 0 C 8 4 5 8 F 4 5 C 9 5 0 9 F 5 0 C 03208 Temperature 0 0 F Indication Scale 1 C 03302 Daylight Saving 1 0 Disabled 1 Enabled US 0340 Remote 0 0 None Averaging would not include on board sensor It is Temperature Sensor 1 Outdoor for Display accomplished by series parallel combinations 2 Outdoor for Control 2 applies only to Heat Pump applications allowing 3 Remote 10K Indoor compressor lockout while displaying temperature 4 Remote 20K Indoor 0350 Heat Pump 0 0 None Only shown for heat pump systems with more heat stages Compressor Lockout 15 9 5 15 F 9 5 C than cool selected and remote sensor selection is outdoor 20 6 5 20 F 6 5 C for control 25 4 0 25 F 4 0 C Must enforce a dead
42. tem f M22305 Fig 33 Entering User Setup TB7220 COMMERCIALPRO PROGRAMMABLE THERMOSTAT INSTALLER SETUP NUMBERS ISU SETTINGS AND TESTS TABLE 6 Use the Installer System Test to test the heating cooling and fan Refer to the latter portion of Table 6 N CAUTION Equipment Damage Hazard Minimum compressor off time is bypassed during Installer System Test Avoid cycling compressor quickly NOTE IMPORTANT Use Installer System Test to test heating cooling and fan The setting chosen for System Type ISU 0170 can prevent some System Test Numbers from appearing Unless otherwise noted setup items are accessible through only the Installer setup and not the User setup Table 6 Installer Setup Menu Installer Setup Installer Setup Default Number Name Setting All Settings Notes 01202 Date Year Upper 20 20 20xx Available year range 2001 2178 21 21xx 01308 Date Year Lower 04 00 99 Available year range 2001 2178 01408 Date Month 6 1 12 01508 Date Day 15 1 31 Month Dependent 01608 Schedule Options 4 0 Non Programmable 4 Programmable 0170 System Selection 8 1 1H 1C Conv 2 1H 1C HP 3 1H w o fan 4 1H with fan 6 1C 7 2H 1C HP 8 2H 2C Conv 9 2H 1C Conv 10 1H 2C Conv 11 2H 2C HP 12 3H 2C HP 0175 TOD Economizer 0 0 Unused Economizer energizes A during a call for cool output 1 TOD
43. to find the cause of the problem Check for 24 Vac between the heat terminal W and transformer common If voltage is not present check wire connection loose or broken between the thermostat and the heating equipment Check for 24 Vac at the equipment on the secondary side of the transformer between power and common If voltage is not present check the cooling equipment to find the cause of the problem Check for 24 Vac between the cool terminal Y and transformer common If 24 Vac is present the thermostat is functional Check the cooling equipment to find the cause of the problem Loose or broken wire connection between thermostat and cooling equipment Check for 24 Vac between the cool terminal Y and transformer common If voltage is not present check the wire connection loose or broken between the thermostat and the cooling equipment Fan does not turn on in a call for heat electric furnace Fan Control in Heating is set to Gas or Oil Furnace Setting 0180 Set Fan Control in Heating to Electric Furnace Setting 0180 Heat pump puts out cool air in the heat mode and warm air in the cool mode Changeover Valve ISU 0190 is not configured to match the changeover required by the installed heat pump Set Changeover Valve ISU 0190 to match the changeover required by the installed heat pump Both the heating and cooling equipment are running at the same time The heating equipment
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