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PRODUCT DATA

63-2625—3

TB8220 Commercial VisionPRO™ 

Programmable Thermostat

VISIONPRO™ 8000 TOUCHSCREEN

APPLICATION

The TB8220 Commercial VisionPRO™ 8000 Touchscreen 

Programmable Thermostat is an effortless, seven-day 

programmable thermostat that provides universal system 

compatibility, precise comfort control and is easy-to-program.

The TB8220 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.

• Touchscreen interaction
• 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 

thermostat from the wall for programming.

Contents

Application ........................................................................

1

Specifications ...................................................................

2

Ordering Information  ........................................................

2

Installation ........................................................................

4

Wiring ...............................................................................

5

Installer Setup  .................................................................. 12

Operation .......................................................................... 18

Troubleshooting (Table 11)  ............................................... 23

Summary of Contents for VisionPRO TB8220

Page 1: ...programming make setup effortless Beautiful ergonomic design is smart and sophisticated to match your customers lifestyle Touchscreen interaction 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 Overrid...

Page 2: ...ential 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 TB8000 Premier White color C7189U Wall Mount Remote Indoo...

Page 3: ... marks left on the wall by the old thermostat Dimensions TB8220 Touchscreen Thermostat See Fig 1 C7089U Outdoor Sensor Mounting Clip See Fig 3 C7189U Remote Indoor Sensor see Fig 5 T7770A See Fig 4 32003796 001 Cover Plate See Fig 2 Fig 1 TB8220 Touchscreen Thermostat dimensions in in mm Fig 2 32003796 001 Cover Plate dimensions in in mm Fig 3 C7089U Outdoor Sensor Mounting Clip dimensions in in m...

Page 4: ...irculation at average temperature See Fig 6 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 wall...

Page 5: ...terminal See Fig 10 Fig 10 Insert wires into terminal block 4 Push excess wire back into the wall opening and restrict wires to the shaded area See Fig 11 5 Plug the wall opening with nonflammable insulation to prevent drafts from affecting the thermostat Fig 11 Restrict wires to shaded area of wire hole Table 4 Wiring Diagrams WALL MOUNTING HOLES M19916 MOUNTING SCREWS 2 WALL ANCHORS 2 WIRES THRO...

Page 6: ...stem Fig 13 Typical hookup of dual transformer 1H 1C system Terminal Designation Description Rc see Note 1 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 Y Compressor output C see Note 2 Common wire from secondary side of cooling system transformer W Heat relay G Fan relay W2 Second st...

Page 7: ... R W Y G C L1 HOT L2 1 24 VAC M22785A OUTDOOR INDOOR TEMPERATURE SENSOR FAN RELAY POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FACTORY INSTALLED JUMPER WHEN USING BATTERIES THE 24V COMMON CONNECTION IS OPTIONAL 1 3 2 3 COMPRESSOR CONTACTOR Y2 L A W2 S1 S2 2 RC R W Y G C L1 HOT L2 1 24 VAC ECONOMIZER M22786A HEAT RELAY 2 OUTDOOR INDOOR TEMPERATURE SENSOR FAN RELAY POWER...

Page 8: ...L 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 OUTDOOR INDOOR TEMPERATURE SENSOR 3 Y2 L A W1 S1 S2 2 RC R O B Y G C 4 L1 HOT L2 1 24 VAC 5 ECONOMIZER COMPRESSOR CONTACTOR ECONOMIZER M22790B CHANGEOVER VALVE FAN RELAY 1 2 3 4 5 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD...

Page 9: ...nd Mount C7089U Outdoor Temperature Sensor Optional Mount the sensor where see Fig 25 cannot tamper with settings there is good air circulation it can measure true outdoor ambient temperature surface is flat wire distance between C7089U and thermostat is less than 200 feet Do not mount the sensor in direct sunlight where hot or cold air blows on the sensor Discharge line from an outdoor compressor...

Page 10: ...e is recommended Wire Indoor Sensor 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 2 Wire sensor to S1and S2 thermostat terminals ...

Page 11: ...alendar 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 31 Fig 31 Setting calendar and time when thermostat is first powered M22934 T4 T3 T7770A3002 1 1 THE T7770A3002 IS A 10K OHM SENSOR S1 S2 T T SUBBASE T7770A1006 T T T7770A1006 M22...

Page 12: ...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 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...

Page 13: ...H 2C HP 12 3H 2C HP 0175 TOD Economizer output 0 0 Unused 1 TOD 2 Economizer Economizer energizes A during a call for cool TOD energizes A during Occupied period and deenergizes A during Unoccupied 0180 Heat Fan Operation 0 0 Fossil 1 Electric Only shown for conventional system with heat stages and fan capability selected If heat pump is selected fan defaults to electric 0185 Pre occupancy Purge D...

Page 14: ... 9 5 15 F 9 5 C 20 6 5 20 F 6 5 C 25 4 0 25 F 4 0 C 30 1 0 30 F 1 0 C 35 1 5 35 F 1 5 C 40 4 5 40 F 4 5 C 45 7 0 45 F 7 0 C Only shown for heat pump systems with more heat stages than cool selected and remote sensor selection is outdoor for control Must enforce a dead band between this and Auxiliary Lockout 0360 Heat Pump Auxiliary Lockout 0 0 None 40 4 5 40 F 4 5 C 45 7 0 45 F 7 0 C 50 10 0 50 F ...

Page 15: ...andard 3 More Aggressive Only shown if system has cool stages Only integral gains affected Affects control operation in all 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 Ramp Rate 3 0 20 F hour Only shown if system has cool stages 0 disables ramped recovery step setpoint change at...

Page 16: ...ed period NOTE Available schedule times are at 15 minute intervals SCHEDULE HOLIDAY CLOCK SCREEN OVERRIDE TUE AM FAN AUTO SYSTEM HEAT Following Schedule Inside M22748 FAN SELECTS ON AUTO SYSTEM SELECTS EM HEAT HEAT OFF COOL AUTO SCHEDULE ENTERS SCHEDULING MODE HOLIDAY CHANGES TEMPERATURE SETTING FOR DESIGNATED NUMBER OF DAYS SCREEN LOCKS OUT THE SCREEN TO ALLOW FOR CLEANING CLOCK SETS THE TIME FOR...

Page 17: ...eriod To accommodate special needs a period can be cancelled EXAMPLE A space is always unoccupied during the week end Cancel all Saturday and Sunday occupied and unoccupied periods The thermostat then controls to the final Friday UNNOC temperature until Monday OCC 1 period 1 Press SCHEDULE 2 Press EDIT 3 Select the Day s of the week desired 4 Press the schedule period to cancel OCC 1 UNOCC1 OCC 2 ...

Page 18: ...d temperature for the duration of the holiday NOTE The DAYS Up and Down arrows appear for approxi mately seven seconds Pressing the screen just below Hold Temperature Until allows the DAYS Up and Down arrows to reappear 3 To cancel the Holiday Override early press CANCEL NOTE When the number of Holiday Override days expires the screen shows Following Schedule to indicate that the Holiday Override ...

Page 19: ...e screen 3 Repeat above steps as necessary 4 Press DONE to return to the main screen and normal operation NOTE If no button is pressed for two minutes the device automatically returns to the main screen Reading Remote Indoor Temperature If connected to an installed remote indoor temperature sensor the thermostat displays the indoor temperature from the remote sensor s NOTE If connected to an insta...

Page 20: ...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...

Page 21: ...oint 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 ...

Page 22: ... Sensor 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 27 through 29 Checkout For ...

Page 23: ...ose or broken wire connection between thermostat and heating equipment 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 Cooling does not turn on Cool On is solid in the display Cooling equipment failure Check for 24 Vac at the equipment on the secondary side of the tr...

Page 24: ...U 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 equip...

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