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Honeywell VisionPRO 8000 Series, Product Data

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Honeywell VisionPRO 8000 Series Product Data Download Page 5

VISIONPRO® 8000 SMART THERMOSTAT

5

33-00096—04

SYSTEM INSTALLATION

When Installing this Product...

1.

Read these instructions carefully. Failure to follow the 
instructions can damage the product or cause a haz-
ardous condition.

2.

Check the ratings given in the instructions to make 
sure the product is suitable for your application.

3.

Installer must be a trained, experienced service 
technician.

4.

After completing installation, use these instructions 
to verify the product operation.

Finding Your Password (Date Code)

You will need the thermostat password to:
• Make changes to Installer Setup
• Perform an Installer Test
• Reset Thermostat to Factory Default Settings

The password (date code) is located on the back of the 
thermostat (see Fig. 2)

Fig. 2. Finding thermostat password.

You can also find the password (date code) by pressing 
MENU, selecting Dealer Information and then scrolling 
down to see the Date Code.

Re

sidential/R

ésidentiel

1-800-468-1502 

http:/

/yourhome.honey

well

.com

Commercial/C

ommerciale

1-888-245-1051

http:/

/customer

.honey

well

.com

Honey

well

, Golden Valley

, MN 55422

RoHs Compliant
Conformité RoHs
Assembled in Mexico
Assemblé au Mexique

TH8321WF1001   

1

1524

M37810A

M35343B

Password 
(Date Code)

Summary of Contents for VisionPRO 8000 Series

Page 1: ... that are configurable for one IAQ product such as a Humidifier Dehumidifier or Ventilator Thermostat S1 S1 Configurable S1 Terminals can be configured for a wired indoor wired outdoor or discharge air sensor On board Humidity sensor Customizable Service Reminders Set up to 10 service reminders Choose from the pre set options or customize your own Reminders can be based on date or the outdoor temp...

Page 2: ...on 55 Geothermal Radiant Heat 55 Indoor Air Quality IAQ Control 57 Humidification 57 Set up Humidification 57 Control Humidification Level 59 Dehumidification Residential 59 Set up Dehumidification With Cooling System 60 Set up Dehumidification With Whole House Dehumidi fier 60 Set up Dehumidification Away Mode 62 Control Dehumidification Level 63 Dehumidification Commercial 63 Set up Dehumidifica...

Page 3: ...hen the interstage differential is set to 1 0 or higher the thermostat stages the equipment based on how far the indoor temperature is from the setpoint ISU 303 to 309 See page 16 for more information Clock Accuracy 1 minute per month at 77 F 25 C 2 minutes per month over the operating ambient tem perature range Mounting Means Thermostat mounts directly on the wall in the living space using mounti...

Page 4: ...mount Indoor Sensor 10k ohm NTC C7189U1005 Wired Flush mount Indoor Sensor 20k ohm NTC C7772A1004 C7772A1012 Wired Wall mount Indoor Sensor 20k ohm NTC TR21 Wired Wall mount Indoor Sensor 10k ohm NTC TR21 A Cover Plate covers marks left by old thermostats THP2400A1019 C Wire Adapter THP9045A1098 Discharge Air Temperature Sensor C7735 ...

Page 5: ...sword Date Code You will need the thermostat password to Make changes to Installer Setup Perform an Installer Test Reset Thermostat to Factory Default Settings The password date code is located on the back of the thermostat see Fig 2 Fig 2 Finding thermostat password You can also find the password date code by pressing MENU selecting Dealer Information and then scrolling down to see the Date Code ...

Page 6: ...le mount the Discharge Air Temperature Sensor upstream of a Steam Humidifier a Fan Powered Humidifier or a Dehumidifier that is ducted to the supply See Fig 4 5 3 If space does not allow a Discharge Air Temperature Sensor upstream of a Steam Humidifier or Fan Powered Humidifier mount the Discharge Air Temperature Sensor downstream of the Humidifier See Fig 4 4 If a Bypass Humidifier is installed m...

Page 7: ... wires to S1 terminal at the thermostat 4 Setup the S1 terminal in the Installer Setup at the thermostat Fig 8 Mounting Discharge Air Sensor M35770 HEAT EXCHANGER BLOWER ALTERNATE MOUNTING LOCATION FOR DISCHARGE SENSOR MOUNT DISCHARGE SENSOR HERE ABOVE CENTER OF A COIL UPSTREAM OF DEHUMIDIFIER DEHUMIDIFIER HEAT EXCHANGER BLOWER VENTILATOR OR DEHUMIDIFIER MOUNT DISCHARGE SENSOR HERE BYPASS HUMIDIFI...

Page 8: ...On those models pull evenly along the sides and bottom of the thermostat to separate it from the wallplate Fig 10 Separate wallplate from thermostat 2 Position and level the wallplate for appearance only 3 Use a pencil to mark the mounting holes 4 Remove the wallplate from the wall and if drywall drill two 3 16 in holes in the wall as marked For firmer material such as plaster drill two 7 32 in ho...

Page 9: ...ce Fig 15 Mount thermostat Finding Your Password Date Code to Access Installer Options You need a password Date Code to access Installer Options Installer Options allow you to Make changes to the Installer Setup Perform an Installer Test Reset the thermostat to Factory Default settings The password Date Code is located on the back of the thermostat It can also be found by following these steps 1 T...

Page 10: ... 1502 http yourhome honeywell com Commercial Commerciale 1 888 245 1051 http customer honeywell com Honeywell Golden Valley MN 55422 RoHs Compliant Conformité RoHs Assembled in Mexico Assemblé au Mexique TH8321WF1001 1 1524 M37810A M35343B Password Date Code Scroll to see Installer Setup Installer Test Reset To Defaults Device Info Table 1 Installer Options Menu Item Description Installer Setup Se...

Page 11: ...stem is set to Conv Forced Air Radiant Heat Other or None Cool Only See Geothermal Radiant Heat beginning on page 55 202 Radiant Heat Stages 0 1 2 Both Select the number of radiant heat stages 203 Radiant Stage 1 None U1 Default varies based on previous selections Both This ISU is only displayed when ISU 200 is Heat Pump and 201 Heating Equipment is Geothermal Radiant Geothermal Radiant Heat must ...

Page 12: ...t Stage 3 None U1 Default varies based on previous selections Both Heat Stage 3 must be wired to the U1 terminals U1 is a normally open dry contact when configured for a stage of Heat U1 requires power from a system transformer or a separate transformer 211 Fan Control in Heat No Fan Equip Controls Fan Tstat Controls Fan Equip Controls Fan Both No Fan is only displayed when ISU 201 Heating Equipme...

Page 13: ... heat stage 2 must be wired to U1 U1 is a normally open dry contact when configured for a stage of Heat U1 requires power from a system transformer or a separate transformer 218 Backup Heat Type Electric Gas Oil Electric Both This ISU is only displayed when ISU 201 Heating Equipment is Air to Air Heat Pump Geothermal or GeothermalRadiantandthereisatleastonestageof backup heat See Heat Pump and Bac...

Page 14: ...Fault When 24 volts is detected on the L A terminal compressor monitor the thermostat displays a message to alert the user when the heat pump requires service The L A terminal sends a continuous output to a zone panel when the thermostat is set to Emergency Heat mode The zone panel will not turn on the heat pump when a zone is set to Emergency Heat mode Econ Fault input Only shown if Economizer fa...

Page 15: ...ions which include Backup Heat Droop Backup Heat Upstage Timer Outdoor Temperature Lockouts and Cycle Rate settings per stage Note Outdoor Temperature Lockouts only apply to Heat Pump applications Advanced Options The Installer Setup displays both Basic and Advanced Options Advanced temperature control options include Finish With High Cool Stage Finish With High Heat Stage and Temperature Differen...

Page 16: ...n the text displayed on the screen may show the specific heating equipment type Comfort 1 0 F to 3 5 F from setpoint in 0 5 F increments Comfort Both ISU 301 Control Options must be set to Advanced to view or adjust this ISU This ISU is only displayed for conventional systems that have 2 heat stages The indoor temperature must drop to the selected differentialsettingbeforethethermostatwillturnon t...

Page 17: ... the indoor temperature must be 2 F 1 0 C away from the setpoint before stage 2 turns on When set to Comfort the thermostat will use the stage of heating as needed to keep the indoor temperature within 1 F 0 5 C degree of the setpoint 308 309 Backup Heat Droop Stage 1 Note Stage 1 is not displayed if there is only 1 stage of Backup Heat Comfort 2 0 F to 15 0 F from setpoint in 0 5 F increments Com...

Page 18: ... Geothermal Radiant Heat See Heat pump with outdoor temperature lockouts beginning on page 55 312 Outdoor Lockout Backup Heat Off 5 F to 65 F in 5 F increments Off Both ISU312BackupHeatOutdoorTemperatureLockout requires an outdoor sensor This ISU is only displayed if ISU 201 Heating Equipment is Air to Air Heat Pump Geothermal or Geothermal Radiant and ISU 219External fossilfuel kit is set to No S...

Page 19: ...ate limits the maximum number of times the system can cycle in a 1 hour period measured at a 50 load For example when set to 3 CPH at a 50 load the most the system will cycle is 3 times per hour 10 minutes on 10 minutes off The system cycles less often when load conditions are less than or greater than a 50 load 315 Heat Cycles Per Hour Stage 1 Note Depending on the application the text displayed ...

Page 20: ...CPH Geothermal Radiant Heat 3 CPH Steam 1 CPH Gravity 1 CPH 315 Heat Cycles Per Hour Stage 3 Note Depending on the application the text displayed on the screen may show the specific heating equipment type 1 to 12 CPH Conv Forced Air 5 CPH Heat Pump 3 CPH Radiant Heat 3 CPH Both This ISU isonly displayedwhenISU 207 Heat Stages is set to 3 stages Cycle rate limits the maximum number of times the sys...

Page 21: ...l cycle is 3 times per hour 10 minutes on 10 minutes off The system cycles less often when load conditions are less than or greater than a 50 load The recommended cycle rate settings are below for each heating equipment type Standard Efficiency Gas Forced Air 5 CPH High Efficiency Gas Forced Air 3 CPH Oil Forced Air 5 CPH Electric Forced Air 9 CPH Hot Water Fan Coil 3 CPH Hot Water Radiant Heat 3 ...

Page 22: ...ser touches the message center area on the thermostat Note The message center displays Press HERE to Start Occupancy The system will then maintain a comfortable temperature until the occupied period ends This option is recommended for cost savings when the workplace is used infrequently or arrival times change from day to day example schools After the user touches Press HERE to Start Occupancy the...

Page 23: ...e is no outdoor sensor the Minimum Recovery Ramp Rate is used 405 Min Heat Recovery Outdoor Temp Off 20 F to 100 F 0 F Commercial Off The heating system will begin recovery at the time that is scheduled When a Minimum Recovery Ramp Rate is set the thermostat will begin recovery early to ensure the temperature is reached at the scheduled time Set a Minimum Recovery Ramp Rate based on the rate that ...

Page 24: ...ate in degrees per hour depending on the outdoor temperature 406 Max Heat Recovery Outdoor Temp Off 20 F to 100 F 40 F Commercial Off The heating system will begin recovery at the time that is scheduled When a Maximum Recovery Ramp Rate is set the thermostat will begin recovery early to ensure the temperature is reached at the scheduled time Set a Maximum Recovery Ramp Rate based on the rate that ...

Page 25: ... is no outdoor sensor the Minimum Recovery Ramp Rate is used 407 Min Cool Recovery Outdoor Temp Off 20 F to 100 F 90 F Commercial Off The cooling system will begin recovery at the time that is scheduled When a Minimum Recovery Ramp Rate is set the thermostat will begin recovery early to ensure the temperature is reached at the scheduled time Set a Minimum Recovery Ramp Rate based on the rate that ...

Page 26: ...he scheduled time Set a Maximum Recovery Ramp Rate based on the rate that the cooling system can recover at for a mild day in your region Default setting is 6 F hour SetanOutdoorTemperaturethatisrepresentativeof a mild day in your region to be associated with the Maximum Recovery Ramp Rate The thermostat will begin recovery at the optimal time based on a calculated ramp rate allowing the system to...

Page 27: ...1 sensor or another TR21 A sensor for the thermostat to calculate the correct indoor temperature reading See Wiring guide Wired Indoor Sensors beginning on page 89 for information on the sensor type you should select based on how the sensors are wired For example you would select 20K when you have two TR21 A 10K sensors wired in series 504 Use T Stat Sensor for Temp Ctrl Use T Stat Sensor for Temp...

Page 28: ...ths Off Both Electronic Air Cleaner Post Filter Replacement Reminder 800 Humidifier Type None Steam Bypass Fan Pwrd None Both 803 Humidifier Wiring U1 Thermostat defaults to the unused U1 terminals Both U1 are dry contacts that require power See Wiring IAQ Equipment or a Heat Cool Stage to the U1 Terminals beginning on page 86 805 Window Protection Off On Off Both Requiresa wiredoutdoor sensor or ...

Page 29: ... is needed Tstat Controls Fan The thermostat turns on the humidifier and the fan when humidification is needed Hum Controls Fan The thermostat turns on the humidifier when humidification is needed and the humidifier controls the fan 808 Run Humidifier when Cool is On Yes No Yes Both Yes Humidifier can run when the cooling system is on No Humidifier can NOT run when the cooling system is on 810 Hum...

Page 30: ...idity level is reached 0 F is only an option when ISU 900 Dehum Equipment is set to A C with Low Fan 908 DehumControl Basic Minimum On Time Cooling Droop Reheat Basic Commercial See Dehumidification Commercial beginning on page 63 909 Dehum Minimum On Time 5 to 15 minutes 10 minutes Commercial This ISU is only displayed if ISU 908 Dehum Control is set to Minimum On Time This option ensures that th...

Page 31: ...humidification is needed The fan is controlled by the equipment 914 Run Dehumidifier when Cool is On Yes No Yes Both This ISU is only displayed when ISU 900 Dehum Equipment is set to Dehumidifier Yes Dehumidifier can run when the cooling system is on No Dehumidifier can NOT run when the cooling system is on 918 Dehum Away Mode Not Allowed Allowed Not Allowed Both This ISU is NOT displayed when ISU...

Page 32: ...at Controls Fan Equip Controls Fan Tstat Controls Fan Both Tstat Controls Fan The thermostat turns on the ventilation equipment and the fan when ventilation is needed Equip Controls Fan The thermostat turns on the ventilation equipment when ventilation is needed The fan is controlled by the equipment 1009 Number of Bedrooms 1 to 6 2 bedrooms Residential This ISU is only displayed when ISU 1005 Ven...

Page 33: ...et the ASHRAE 62 2 ventilation standard in a shorter run time Notes ISU 1014 Lockout Ventilation on Humidification or Dehumidification calls is not an option when you select ASHRAE is Priority The ability to lockout ventilation during the Sleep or Unoccupied program periods is not an option when you select ASHRAE is Priority 1013 Low Outdoor Temp Vent Lockout Off 20 F to 40 F in 5 F increments Off...

Page 34: ...eplacement reminder can be setup for each one Select 0 if no UV devices are installed 1105 UV Bulb 1 Reminder Note 1 is not displayed if there is only 1 UV Bulb Off 6 12 24 Calendar Months Off Both UV Bulb 1 Replacement Reminder 1105 UV Bulb 2 Reminder Off 6 12 24 Calendar Months Off Both UV Bulb 2 Replacement Reminder 1200 Custom Reminders View Edit Custom Reminders Add Custom Reminders None Both...

Page 35: ...spoweredwithbatteriesonly The light also turns on when the system setting is set to Em Heat Select On to use the light indicator or select Off to turn off the light 1500 Dealer Name Dealer Name None Both Dealer information is displayed to the user when an alert is active and the user can access this information by selecting Dealer Information in the Menu 1500 Dealer Phone Dealer Phone None Both 15...

Page 36: ...Use the or buttons at the bottom to change letter case Press Done when complete 7 The screen will let you know when the connection is successful Press Done when the connection is successful If the connection is not successful the screen will explain why not See Unsuccessful connection on page 38 Follow instructions on the screen to try again NOTE Press the for more information about an unsuccessfu...

Page 37: ...ere are three specific reasons the connection might be unsuccessful For all Connection Failed screens pressing Done will return to the Menu screen Invalid Password The password you entered is invalid Check that you have the right password and try again No IP Address The thermostat was unable to obtain an IP address from the router Verify the router is correctly set up to automatically assign IP ad...

Page 38: ...ode to Access Installer Options beginning on page 9 for more information 3 Scroll down to Installer Test and press SELECT Fig 23 CAUTION Equipment Damage Hazard Minimum compressor off time is bypassed during the Equipment Test Avoid cycling compressor quickly Using the Installer Test 1 Select the equipment you want to test and press the arrow buttons to turn the equipment on off Press Back to test...

Page 39: ...Quick reference to residential display NOTE The screen lights when you press any button After you complete your changes the screen stays lit for 45 seconds Depending on how your thermostat was installed the screen light may always be on M7514 HOME Touch to display Home screen FAN Select fan mode SYSTEM Select system mode Heat Cool MENU Touch to display options Start here to set a program schedule ...

Page 40: ...ally for daylight saving time and for other features such as vacation hold Setting the Fan 1 Touch FAN to display fan settings Fig 33 2 Touch On Auto Circ or Follow Schedule HOME Touch to display Home screen FAN Select fan mode SYSTEM Select system mode Heat Cool MENU Touch to display options Start here to set a program schedule Current status Shows system mode heat cool outdoor temperature with o...

Page 41: ... NOTE The Auto and Em Heat system settings may not appear depending on how your thermostat was installed Preset Energy Saving Schedules These default Energy Saver settings can reduce expenses Period 2 is cancelled by default If you activate it the val ues shown above are default settings Adjusting Program Schedules 1 Touch MENU Fig 37 2 Select Edit Schedule to display Use Scheduling Assistant Fig ...

Page 42: ...eriod Overriding Schedules Residential Use 1 Touch or to adjust the temperature right side of screen and the Hold Until time left side The sched ule will resume when the Hold Until time expires Fig 42 2 Select Permanent Hold to keep the same tempera ture until you change it or resume the program schedule Touch Cancel Hold at any time to resume the program schedule Overriding Schedules Commercial U...

Page 43: ...en can report data about the following systems Heating and cooling Fan Humidification Dehumidification Ventilation Maintenance reminders Thermostat information Fig 47 Setting Vacation Hold Residential Use This feature helps you save energy while you are away and restores comfortable settings just before you return home 1 Touch MENU Fig 48 2 Select Vacation Mode Fig 49 3 Touch or to select the date...

Page 44: ... settings to be maintained during a specific event You can set up an event for a specific date or day in a month The thermostat resumes normal scheduling after the event The thermostat can be scheduled for up to 25 Custom Events 1 Select Custom Events from the Holiday Schedule menu Fig 55 2 Select Create New Event Fig 56 3 Select Specific Date or Month Weekday For Specific Date you are prompted to...

Page 45: ...d or Unoccupied temperatures depending whether the building will be in use Fig 60 4 Touch or to select the Heat and Cool tempera tures Fig 61 5 Review the settings and touch Done to save them Touch Cancel to ignore changes Setting Holiday Override Commercial Use This feature lets you customize temperature settings to be maintained from now until a specified date The thermostat resumes normal sched...

Page 46: ...er expires or the Occupied period ends NOTE This feature is available only when programmed by the installer Adjusting Humidification Settings 1 Touch MENU and select Humidification Fig 66 Fig 67 2 Select Auto Fig 68 3 Touch or to select humidity level 4 Touch Done to save your settings Touch Cancel to ignore changes 5 If frost or condensation appears on the windows press MENU scroll down and selec...

Page 47: ...nsor or to the Internet NOTE The thermostat controls humidification and dehu midification as needed to maintain the desired humidity level Depending on how your thermostat was installed the thermostat may maintain a 15 separation between humidification and dehumidi fication settings Adjusting Dehumidification Settings Residential Use This feature can control a dehumidifier or use your air conditio...

Page 48: ...r the minimum on time to reduce humidity Run cooling and heating at the same time to reduce humidity without lowering the temperature Adjusting Ventilation Settings 1 Touch MENU and select Ventilation Fig 76 Fig 77 2 Select Mode Temporary Boost or Lockout then select appropriate options Fig 78 3 Touch Done to save your settings Touch Cancel to ignore changes Fig 79 Ventilation Options Mode Auto Ve...

Page 49: ...isplay 12 24 hour clock display Display Options Backlighting Continuous or On Demand Inactive Backlight Backlight level while the screen is not in use Backlighting must be set to Continuous Screen Contrast Alert light options Scheduling options Adaptive recovery Default schedule Daylight saving time Fig 85 3 Touch Done to save your settings Touch Cancel to ignore changes Cleaning the Thermostat Sc...

Page 50: ... Fig 91 Unlocked Full access allowed Partially locked Only temperature can be changed Fully locked No access allowed Fig 92 NOTE If you choose to use a password for additional security write it down for reference Viewing Dealer Information Check dealer information if you need to contact your installer for maintenance repairs or upgrades 1 Touch MENU Fig 93 2 Select Dealer Information Fig 94 3 Scro...

Page 51: ...thermostat keeps the compressor off for a few minutes before restarting to prevent equipment damage During this off time the message Wait is displayed on screen PRE OCCUPANCY PURGE COMMERCIAL USE ONLY This feature turns on the fan 1 to 3 hours before each occupied time period to provide a comfortable workplace when you arrive P I CONTROL A conventional mechanical or electronic thermostat does not ...

Page 52: ...vides Differential settings between all stages The equipment changes stages based on how far the indoor temperature is from the setpoint Differential settings provide a way to balance comfort and conservation Heat Differential The indoor temperature must drop to the selected differential setting before the thermostat will turn on the stage of heating For example if stage 2 is set to 2 F 1 0 C the ...

Page 53: ...GE When the Backup Heat Droop is set to Comfort the thermostat uses backup heat as needed to keep the indoor temperature within 1 F 0 5 C of the setpoint The Comfort setting is NOT an option on heat pumps with fossil fuel backup heat When the Backup Heat Droop is set to 2 F or higher if the primary heat is making progress as expected backup heat will not be used to reach the new setpoint Set to a ...

Page 54: ...st The upstage timer starts when the highest stage of the previous equipment type turns on Backup Heat Upstage Timer options are Off 30 minutes to 16 hours Default is Off Fig 106 Multistage Control Multistage Control keeps the high stage of the equipment running until the desired setpoint is reached This setting is recommended for Geothermal Heat Pumps to allow the loop to rest To view adjust Fini...

Page 55: ...iant Heat The thermostat can be setup to control Geothermal Radiant Heat Geothermal Forced Air Heat and Backup Heat all from one thermostat The thermostat stages the equipment starting with the Geothermal Radiant Heat followed by Geothermal Forced Air Heat and then Backup Heat as needed to maintain the desired temperature The thermostat allows you to set differential temperature settings between e...

Page 56: ...sired temperature setting Geothermal Radiant Heat and Geothermal Forced Air Heat are not used Set Up Geothermal Radiant Heat 1 Select Geothermal Radiant Heat as shown in Fig 108 Fig 108 2 Select the number of Radiant Heat Stages See Fig 109 Fig 109 3 Select a Geothermal Forced Air Option For example if Geothermal Forced Air is used for both heating and cooling select the Heating and Cooling option...

Page 57: ...ection Window Protection is set on a scale from 1 10 A setting of 1 represents poorly insulated windows and a setting of 10 represents well insulated windows A lower number automatically reduces the humidity to help prevent frost or condensation on your windows Use a higher number if indoor air seems too dry To prevent frost condensation on your windows during cold outdoor temperatures poorly insu...

Page 58: ...he last call was for cool A discharge sensor is required to humidify in the Cool mode The thermostat prevents condensation in the duct work by not allow ing the humidifier to run when the discharge temperature goes below the dew point tem perature The humidifier is allowed to run again after the discharge temperature rises above the dew point temperature Fig 118 5 Select from one of the Humidifica...

Page 59: ...the Window Protec tion setting to a lower number until frost condensa tion is no longer present NOTE Internet connection or wired outdoor sensor is required for Window Protection NOTE If humidification and dehumidification are setup to operate in the same system mode Heat Cool Off the thermostat will automatically enforce a 15 deadband between the humidification and dehumidification settings The t...

Page 60: ...ct whether the U1 terminal are Normally Open or Normally Closed See Fig 128 Normally Open contacts are normally open and will close during a call for dehumidification Normally Closed contacts are normally closed and will open during a call for dehumidification Fig 128 4 Set the Overcooling Limit See Fig 129 Options 0 F to 3 F A C with Low Speed Fan 1 F to 3 F A C with High Speed Fan Fig 129 NOTE I...

Page 61: ... heat Cool includes Cool and Auto If the system is in Auto mode the thermostat will allow dehumidification if the last call was for cool Fig 133 4 Set Dehumidifier Fan Control settings See Fig 134 Tstat Controls Fan Thermostat turns on the dehumidifier and the fan when dehumidification is needed Equip Controls Fan Thermostat turns on the dehumidifier when dehumidification is needed The fan is cont...

Page 62: ...U then select Dehum Away Mode Fig 136 The thermostat automatically follows settings that are set by the dealer during installer setup Press Cancel to end Dehumidification Away Mode Fig 137 Set up Dehumidification Away Mode 1 Select Allowed at ISU 918 See Fig 138 Fig 138 2 Set Fan Control settings See Fig 139 On Fan is always on Automatic Fan runs only when cooling system is on Circulate Fan runs r...

Page 63: ...NOTE If your air conditioner is used to control humidity the temperature may drop up to 3 F below your temperature setting until humidity reaches the desired level NOTE If humidification and dehumidification are setup to operate in the same system mode Heat Cool Off the thermostat will automatically enforce a 15 deadband between the humidification and dehumidification settings The thermostat will ...

Page 64: ...es both options above to reduce humidity while maintaining a comfortable temperature Reheat ISU 908 This option allows heating to run during dehumidification to help maintain a comfortable temperature If only cooling stage 1 is used during the off cycle both cooling and heating run at the same time as needed to dehumidify without overcooling This option cannot be used in the Heat mode This option ...

Page 65: ...System on page 64 Fig 148 NOTE ISU 1014 gives the option to lockout ventila tion on calls for dehumidification This helps maintain the desired humidity level Dehumidification using a Dehumidifier The Dehumidifier option requires a dedicated unit for dehumidification The thermostat can be set to control dehumidification in all modes Heat Off Cool ISU 912 Set up Dehumidification With Dehumidifier So...

Page 66: ...ification is needed Equip Controls Fan Thermostat turns on the dehumidifier when dehumidification is needed The fan is controlled by the equipment Fig 152 5 Set the desired lockout option See Fig 153 Fig 153 NOTE ISU 1014 gives the option to lockout ventila tion on calls for dehumidification This helps maintain the desired humidity level Dehumidification Away Mode Dehumidification Away Mode for a ...

Page 67: ...m times during a 1 hour period until it reaches a 50 run time approximately 30 minutes Default setting is 30 Range is 10 to 100 in 10 increments Ventilation Fan Control ISU 1006 Tstat Controls Fan The thermostat turns on the ventilator and the fan when ventilation is needed Equip Controls Fan The thermostat turns on the ventilator when ventilation is needed The fan is controlled by the equipment V...

Page 68: ...stat must be in the heat mode to ventilate on high indoor humidity Set up Ventilation Some screens shown in this section may not appear on the thermostat depending on how you set up ventilation 1 Select the Ventilation Type in ISU 1000 See Fig 157 Fig 157 2 Select the terminals wired to the Ventilator or Fresh Air Damper See Fig 158 Fig 158 3 Select the Ventilation Control Method See Ventila tion ...

Page 69: ...Dehumidification Calls ISU 1014 3 Lockout Ventilation during Sleep Residen tial or Unoccupied Commercial program periods Note This option is set by the user on the Ventilation screen in the Menu b ASHRAE is Priority ASHRAE requires additional ventilation following a long off cycle The thermo stat meets the ASHRAE 62 2 ventilation standard by running additional ventilation when outdoor conditions a...

Page 70: ... 166 When ISU 1012 Ventilation Priority is set to ASHRAE is Priority the screen below will indicate the maximum length of time that ventilation can be locked out over a 21 hour time period For example Ventilation Lockout Will Not Exceed 12 5 hours The length of time that ventila tion is locked out is limited to ensure that the ASHRAE 62 2 Ventilation Standard is met See Fig 167 Fig 167 10 Select w...

Page 71: ...ckout then select appropriate options Fig 172 3 Touch Done to save your settings Touch Cancel to ignore changes Fig 173 Ventilation Options Mode Auto Ventilation runs as programmed by the installer Off Ventilation remains off unless turned on using the timer On Ventilation is always on Fig 174 Temporary Boost Touch or to select how long to run ventilation temporarily To turn it off set it to zero ...

Page 72: ...how you set up IAQ equipment 1 Press MENU then scroll to select Preferences 2 Press Reminders Fig 177 is displayed Fig 177 3 Select the reminder you want to set 4 Press or to set the timer length Ranges incre ments and units will change based on the reminder NOTE When set for run time days the thermostat tracks the amount of time the fan has run and compares that time against the number of run tim...

Page 73: ...t Fig 181 4 Press the up or down arrows to set the outdoor tem perature and press Next Fig 182 NOTE A seasonal maintenance reminder will appear when the outdoor temperature reaches the level you select after a specified date 5 Press the up or down arrows to set the date to begin monitoring outdoor temperature The thermostat will not display a reminder unless the temperature you set is reached afte...

Page 74: ...er message Fig 187 10 To clear the Alert and turn off the Red Alert Light on the thermostat select Dismiss To create a new custom reminder 1 Touch Press HERE to edit at ISU 1200 see Fig 179 2 Press up or down arrows until Custom Reminder is displayed then press Next Fig 188 Fig 188 3 Touch Press HERE to edit to set the name of the reminder Fig 189 Fig 189 4 Use the arrows Delete and Space buttons ...

Page 75: ... up or down arrows to set the date when the New Custom Reminder should appear and press Next Fig 193 8 Select whether you want the reminder to appear only once or to be recurring and press Next Fig 194 9 If Recurring select how often you want the reminder to appear and press Next Fig 195 10 The preview of the custom reminder shows you what you ve selected 11 The New Custom Reminder will look like ...

Page 76: ...ig 197 13 Pressing Select displays options for addressing the Custom Reminder message View More Info Remind Me Later Dismiss View Dealer Info 14 Selecting View More Info displays the Custom Reminder message Fig 198 15 To clear the Alert and turn off the red alert light on the thermostat select Dismiss Scroll to see Call XYZ for Indoor Quality Solutions ...

Page 77: ...e hold time touch the Hold Until arrow buttons This time can be adjusted up to the maximum time set by the installer Fig 200 Touch Override to use a pre set occupied temperature if a person uses the room during an unoccupied period The new temperature will be maintained for 1 hour and can be adjusted up to the maximum time set by the installer Fig 201 The programmed schedule will resume when the o...

Page 78: ...k of the month settings length of event and frequency for the event Fig 207 4 Review the settings and touch Done to save them Touch Cancel to ignore the changes Fig 208 Setting Holiday Schedule Commercial Use This feature lets you customize temperature settings to be maintained on specified national holidays The thermostat resumes normal scheduling between selected holidays 1 Select US Holidays or...

Page 79: ...temperature can only be set higher than the unoccupied program setting and the heat temperature can only be set lower than the unoc cupied program setting Initiating Occupancy Mode Commercial Use This feature keeps temperature at an energy saving level until you touch Press HERE to Start Occupancy When you arrive touch the message to maintain a comfortable temperature while the room is occupied Fi...

Page 80: ...ing when outdoor conditions are favorable In some climates the cooling system may run several hours when it may not be required to maintain indoor comfort When outdoor conditions are favorable ventilation with outdoor air can achieve the same level of comfort at lower cost Table 5 explains how the Economizer Module is controlled by the thermostat The thermostat works with the W7220 W7212 W7213 and...

Page 81: ... to 3 hours before each occupied period to provide a comfortable workplace upon arrival Options are Off and 1 to 3 hours Fig 219 WIRED INDOOR SENSORS For wiring see Wiring guide Wired Indoor Sensors on page 89 Indoor Sensor Operation Temperature Control The thermostat can be set to respond to its internal temperature sensor or to an optional wired indoor sensor If multiple sensors are used the the...

Page 82: ...ature Display The temperature reading displayed on the home screen is from the sensor or sensors that are being used for temperature control In Fig 221 the temperature reading is the average of the thermostat internal sensor and the indoor sensor Fig 221 ...

Page 83: ...8 9 8659 14 10 0 42506 86 30 0 8315 16 8 9 40394 88 31 1 7986 18 7 8 38400 90 32 2 7672 20 6 7 36519 92 33 3 7372 22 5 6 34743 94 34 4 7086 24 4 4 33063 96 35 6 6813 26 3 3 31475 98 36 7 6551 28 2 2 29975 100 37 8 6301 30 1 1 28558 102 38 9 6062 32 0 0 27219 104 40 0 5834 34 1 1 25949 106 41 1 5614 36 2 2 24749 108 42 2 5404 38 3 3 23613 110 43 3 5203 40 4 4 22537 112 44 4 5010 42 5 6 21516 114 45...

Page 84: ...ostat 6 See Fig 225 234 for typical wiring hookups Fig 222 Inserting wires in thermostat terminal block IMPORTANT Use 18 22 gauge thermostat wire Table 9 Thermostat Terminal Designation Descriptions Conventional System Heat Pump Terminal Description Terminal Description C Common wire from secondary side of cooling transformer if 2 transformers C Common wire from secondary side of cooling transform...

Page 85: ...0342 for additional information Fig 223 Example C wire adapter wiring diagram for a conventional application Fig 224 Example C wire adapter wiring diagram for a heat pump application THERMOSTAT EQUIPMENT C WIRE ADAPTOR W C K R FURNACE R C W Y G R C W Y G R C TH8321WF SUBBASE CONVENTIONAL HEAT PUMP M37962 C K Rc R U1 U1 U2 U2 S1 S1 W Y G S1 S1 O B Y G E W2 Y2 A AUX Y2 LA THERMOSTAT EQUIPMENT C WIRE...

Page 86: ...y open dry contacts when set up for a stage of heating or cooling 2You must install a field jumper if the stage of heating or cooling is powered by system transformer Do NOT install a field jumper if the stage of heating has its own trans former Normally open dry contacts Normally closed dry contacts C K RC R U1 U1 120 VAC 24 VAC C R SYSTEM TRANSFORMER 120 VAC 24 VAC HUM DEHUM OR VENT TRANSFORMER ...

Page 87: ...ig 230 Economizer control without economizer fault alert using TH8321WF NOTE Configure the TH8321WF to control economizer see settings for ISU 222 C R M37209 FURNACE AIR HANDLER OR RTU TH8321WF W7220 JADE ECONOMIZER U1 U1 R Rc C A L A Y2 I Y2 O Y1 I Y1 O C R AUX2 1 OCC E GND EXH1 AUX1 0 C R M37210 FURNACE AIR HANDLER OR RTU TH8321WF W7220 JADE ECONOMIZER A L A R Rc C Y2 I Y2 O Y1 I Y1 O C R AUX2 1...

Page 88: ... sure wires have a cable separate from the ther mostat cable Do not route temperature sensor wiring with build ing power wiring next to control contactors or near light dimming circuits electric motors or welding equipment Avoid poor wiring connections Avoid intermittent or missing building earth ground CAUTION Electrical Shock Hazard Can cause electrical shock or equipment damage Disconnect power...

Page 89: ... CAUTION Electrical Shock Hazard Can cause electrical shock or equipment damage Disconnect power supply before connecting wiring Use the S1 terminal for wired sensors Wiring 4 C7189U1005 sensors 10k ohm for temperature averaging network Select 10K in the Installer Setup ISU 503 when using C7189U1005 sensor s Fig 231 Wiring 4 C7189U sensors Wiring 2 TR21 sensors 20k ohm and 1 TR21 A sensor 10k ohm ...

Page 90: ... in Emergency Heat mode If thermostat is not in Emergency Heat mode an alert is active Check message on the thermostat screen Heating or cooling system does not respond Touch SYSTEM to set system to Heat Make sure the temperature is set higher than the Inside temperature Touch SYSTEM to set system to Cool Make sure the temperature is set lower than the Inside temperature Check circuit breaker and ...

Page 91: ...frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to t...

Page 92: ... 1502 2019 Resideo Technologies Inc The Honeywell Home trademark is used under license from Honeywell International Inc All rights reserved www resideo com Resideo Inc 1985 Douglas Drive North Golden Valley MN 55422 33 00096 04 M S Rev 05 19 Printed in United States Wi Fi is a registered trademark of Wi Fi Alliance ...

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