Honeywell VisionPRO IAQ Product Data
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Honeywell VisionPRO IAQ Product Data

Total home comfort system
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See also: Operating Manual , Installation Manual
VisionPRO
Total Home Comfort System
APPLICATION
®
The VisionPRO
IAQ Total Home Comfort System features an
effortless, 7-Day programmable touchscreen thermostat that
provides control of temperature, humidification,
dehumidification, and ventilation.
®
IAQ
FEATURES
• Large, clear display with backlight shows the current
and set temperature and time-even in the dark.
• Touchscreen interaction
• Real-time clock keeps time during power failures and
automatically updates to daylight savings.
• Change/check reminders let you know when to service
or replace filters.
• Various Hold options allow you to override the
program schedule, as desired.
• Controls humidification to increase homeowner
comfort while protecting woodwork and furnishings.
• Controls dehumidification using air conditioner with
high or low speed fan or a whole house dehumidifier.
• Controls ventilation with other HRV, ERV, or Freshair
damper. Vent on demand and automatically using
patented advanced ventilation control.
• Advanced heat pump control featuring balance point
plus 2°F droop to increase homeowner comfort.
Application/Features..........................................................
Specifications/Ordering Information ..................................
Installation ........................................................................
Wiring ...............................................................................
Power the Thermostat ......................................................
Installer Setup .................................................................. 12
Operation .......................................................................... 19
Programming .................................................................... 25
Troubleshooting ................................................................ 35
PRODUCT DATA
Contents
1
2
4
5
8
68-0287-1

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  • Page 1: Table Of Contents

    ® VisionPRO Total Home Comfort System PRODUCT DATA FEATURES • Large, clear display with backlight shows the current and set temperature and time—even in the dark. • Touchscreen interaction • Real-time clock keeps time during power failures and automatically updates to daylight savings. •...

  • Page 2: Specifications/Ordering Information

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM SPECIFICATIONS Thermostat Description: Finish: ® ® VisionPRO IAQ Thermostats: Premier White color. ® THM5421C1008: Premier White color. Feature Description C7189U1005 Wall Mount Remote Indoor Sensor: Premier ® Powering method • Common wire only White color.
  • Page 3 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM WALLPLATE 1-1/2 (38) 3-3/8 (86) 3-3/8 (86) M4488 THERMOSTAT Fig. 3. C7089U1006 Outdoor Sensor Mounting Clip AND WALLPLATE dimensions in in. (mm). THERMOSTAT 1-3/8 (35) 6 (152) 7-7/8 (200) 3-5/16 (84) 4-9/16 (116) 5-1/2 (140) 3-5/16...

  • Page 4: Installation

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 2-9/32 2-9/32 (58) (58) 45/64 1-1/2 (38) 1-1/2 (38) (18) FRONT VIEW SIDE VIEW FRONT VIEW (COVER OFF) M23522 Fig. 5. C7189U1005 Remote Indoor Sensor dimensions in in. (mm). INSTALLATION Do not install the thermostat where it can be affected by: —...

  • Page 5: Wiring

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 4. Position the wallplate over the holes, pulling wires NOTE: It is normal for the LED to blink continuously during through the wiring opening. See Fig. 7. startup, and while checking equipment status (Auto 5.
  • Page 6 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM NOTES: When used in a single-transformer system, leave the metal jumper wires in place between R and Rc, and Rc and Rh. If used on a two-transformer sys- tem, remove metal jumper wire between Rc and Rh. If thermostat is configured for a heat pump system in the Installer Setup, configure changeover valve for cool (O-factory setting) or heat (B).
  • Page 7 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM = NORMALLY OPEN, DRY CONTACTS 24 VAC = NORMALLY CLOSED, DRY CONTACTS M23685 POWERED HUMIDIFIER HEAT 1 RELAY COMMUNICATION LED COMMUNICATION CONV. HP HEAT 2 RELAY TERMINALS M23490 HEAT 3 RELAY Fig. 15. Typical hookup of powered humidifier. 24 VAC AUX2 COOL 1 RELAY...

  • Page 8: Power The Thermostat

    FIELD INSTALLED THERMOSTAT JUMPER BETWEEN DHM 1 AND VNT 1 TERMINAL BLUE SCREW BLOCK YELLOW DH90 GREEN WHITE FRESH DAMPER M23542 M23495 Fig. 22. Mount thermostat to wallplate. Fig. 20. Hookup of Honeywell DH90 with fresh air intake for ventilation. 68-0287—1...
  • Page 9 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Locate and Mount C7089U1006 Outdoor IMPORTANT Erratic temperature readings from a sensor can occur Temperature Sensor (Optional) as a result of any of the wiring practices described below. Avoid these practices to assure correct opera- Mount the sensor where (see Fig.
  • Page 10 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM SAT A A T Inside Set To AUTO Following SYSTEM 5 FEET Schedule (1.5 METERS) HEAT Outside SCHED HOLD CLOCK SCREEN MORE M4476 M22453 Fig. 25. Typical location for C7189U1005 Indoor Sensor. If thermostat is set to Auto Changeover System mode, press the More key until the outside temperature is shown on the Wire C7189U1005 Indoor Sensor screen.
  • Page 11 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM • The thermostat will display the temperature measured at the sensor locations (internal thermostat sensor is C7189 disabled). Sensors must be in square numbers (e.g., 4, 9, 16, and so on) and the displayed temperature will be an 1 OUT average of the temperatures measured at each location.

  • Page 12: Installer Setup

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 1. Press and release the System Key. USE ARROWS TO SET YEAR AND TIME Inside AUTO Following SYSTEM Schedule EM HEAT COOL Humidity SCHED HOLD CLOCK SCREEN DONE M22425 M23498 2. Press and hold the two blank keys on either side of the INSTALLER SETUP center blank key for approximately five seconds until screen changes.
  • Page 13 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 4. See screen below to review how the thermostat keys are used during Installer Setup. See Table 3–4 for the ADVANCE TO NEXT INSTALLER SETUP Installer Setup Numbers and Settings. INSTALLER SETUP CURRENT NUMBER SETTING SAT A A T...
  • Page 14 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes Back-up Heat Electric backup heat Only shown if ISU172 = 2 and ISU176 = 1 or greater. Source Applies to Fossil fuel backup heat both Aux and...
  • Page 15 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes Dual Fuel Heat Balance point only See Dual Fuel Heat Pump control on page 22. Pump Control Balance point plus 2°...
  • Page 16 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes Hum Fan Action 0 Humidify only while fan or heat is on Setting 0 will run the humidifier only during a call for Humidify will force fan on heat or if the fan is running.
  • Page 17 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes Furnace Filter Disabled Change 10 R.T. Days Reminder 30 R.T. Days 60 R.T. Days 90 R.T. Days 120 R.T Days 180 R.T.

  • Page 18: Installer System Test

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes Temperature -3°F -1.5°C Display Offset -2°F -1°C -1°F -.5°C 0°F 0. °C — (no difference in displayed temperature and actual room temperature) 1°F .5°C...

  • Page 19: Operation

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Installer System Tests Table 4. Installer System Test. System Test Number Test Type ISU Value System Status Number and Description Test 1 Installer Test Cool Cool Stage 1 Cool Stages 1 & 2 Test 2 Installer Test Fan Fan On...
  • Page 20 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM System and Fan Settings 1. Press the More key until the inside humidity level set- point is shown. 2. Use Up and Down arrow keys, located to the right of the System humidity setpoint, to set desired humidity level. 3.

  • Page 21: Ventilation Control

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM DEHUMIDIFICATION DROOP CONTROL In extremely high humidity conditions, the thermostat keeps the air conditioner running (energizing Y/Y2 and G) for up to 3°F below the temperature setpoint. It does this while trying to achieve the desired humidity setpoint and balancing that with the temperature setpoint.
  • Page 22 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Heat Pump Emergency Heat LED Indication Balance Point/Auxiliary Heat Lockout Plus 2° Droop (ISU 345 = 2) The thermostat uses a red LED indicator that lights when the thermostat is in the Emergency Heat mode. The LED is located When the outdoor temperature is above the Auxiliary Heat in the upper right corner of the thermostat.
  • Page 23 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Operation in Emergency Heat Mode COMPRESSOR ONLY Once the thermostat is placed into the Emergency Heat mode, AUXILIARY the compressor and auxiliary lockout features are turned off. In LOCKOUT the Emergency heat mode, the compressor is locked out. The TEMPERATURE BOTH COMPRESSOR AND first stage of heat is whatever is connected to the AUX...
  • Page 24 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 7. Indoor Air Quality Operation. Last call Energize System Setting Call For Action Heat Cool terminals Auto Humidification None HUM1 and HUM2 Close Nothing Auto Dehumidification None Nothing DHM1 and DHM2 close Auto Dehumidification Nothing...

  • Page 25: Programming

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 4. See the screen below to review how the thermostat keys Table 8. User Setup Menu. (Continued) are used during the User Setup. See Table 8 for the User User Setup numbers and settings. Setup User Setup Name...

  • Page 26: Cancel A Schedule Period

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM back to a comfortable temperature. Sleep—Period when you are asleep and want an energy- saving temperature. OK TO PICK MULTIPLE DAYS NOTE: Schedule times are in 15-minute intervals. HEAT AUTO CIRC Edit Schedule CANCEL PERIOD 1.
  • Page 27 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Fan Control If the Fan program is scheduled, Auto is shown and any OK TO PICK MULTIPLE DAYS SCREEN LOCKED programmable mode that is set; for example, if during Wake period, Fan is set to Auto, only Auto is shown in the Fan area. Inside Set To HEAT...

  • Page 28: Set Time

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM ® OPERATE VISIONPRO 3. Press the Cancel or Sched key to cancel “Hold Temperature Until” and resume schedule. NOTE: Once “Hold Temperature Until” time is reached, the Set Time thermostat shows “Following Schedule” on the screen 1.
  • Page 29 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 4. To cancel the Vacation Hold override early, press the 4. Press the Done key to return to the Home Screen and Cancel key. normal operation. NOTE: When the number of days of Vacation Hold expires, Screen Locks the screen shows “Following Schedule”...

  • Page 30: Filter Change Reminder

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM If you don’t have a dehumidifier, the thermostat activates the 1. Press the More key until the filter reminder appears on air conditioner to reduce humidity (may cool as much as 3°F the screen. This is the number of fan run-time or calen- lower than your temperature setting).
  • Page 31 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 5. Press the Reset key to activate the new number of days NOTE: While the reminder is set according to calendar days, selected in the previous screen. the display shows the equivalent run time days. CHANGE FILTER UV LAMP HUMIDIFIER PAD...
  • Page 32 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Minimum Off-Timer NOTE: It takes about a week for the thermostat to adjust to local weather, the schedule, the construction of the The Thermostat has built-in compressor protection (minimum- home and the heating and/or cooling system. Each off timer) that prevents the compressor from restarting too day it adjusts the next day’s recovery start time early after a shutdown.
  • Page 33 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 12. Sensor Resistance at Outdoor Temperature. Outdoor Outdoor Inside Temperature Temperature Ohms of Ohms of °F °C Resistance °F °C Resistance -28.9 106926 11.1 17136 -27.8 100923 12.2 16387 -26.7 95310 13.3 15675 -25.6 90058...
  • Page 34 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM COMMUNICATION ERROR CODES installed with Thermostat Installer Setup Number 340 set to 2, the temperature displayed on the thermostat home screen as Inside Temperature will be a 50/50 average between the ® VisionPRO IAQ can alert the homeowner and installer to temperature sensed at the remote sensor location and the problems with the HVAC equipment, thermostat, or equipment...

  • Page 35: Troubleshooting

    ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM TROUBLESHOOTING Table 15. Troubleshooting. Symptom Possible Cause Action Display does not come on Thermostat is not being powered Check if the thermostat is mounted and latched on the wall plate. If not: — Mount and latch the thermostat on the wallplate. Check if the circuit breaker is tripped or the fuse is blown;...
  • Page 36 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 15. Troubleshooting. (Continued) Symptom Possible Cause Action Cooling does not turn on (“Cool Cooling Equipment failure Check for 24 Vac at the equipment on the secondary side On” is solid in the display) of the transformer between power and common.
  • Page 37 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 15. Troubleshooting. (Continued) Symptom Possible Cause Action Heat On is not in the display. System setting is not set to Heat Set the system setting to Heat and set the temperature and/or temperature setting is not set setting above the room temperature.
  • Page 38 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM COMPATIBILITY Recommend the following products for use with the VisionPRO® IAQ. Table 16. Humidifiers HE440A1005—Powered Steam Humidifier with 13 gpd capacity HE365A1006—Powered Bypass Flow-through humidifier with 18 gpd capacity HE265A1007—Bypass Flow-through humidifier with 17 gpd capacity HE225A1006—Bypass Flow-through humidifier with 12 gpd capacity Table 17.
  • Page 39 ® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 68-0287—1...
  • Page 40 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2006 Honeywell International Inc. US Patent No. 6,208,263; 6,373,376; 6,448,901; 6,926,076; 7,044,397; D509151; H25192; H25193 and other patents pending 68-0287—1 M.S. Rev. 10-06...

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