Page 2 - User Information; About TrueIAQ; Adjusting IAQ settings; Read and save these instructions.; For assistance with this product please visit; Table of contents
User Information About TrueIAQ ® .............................. 1 Operation .................................... 2 Display screen reference ........... 3 Adjusting IAQ settings Changing humidifier settings ..... 4Changing dehumidifier settings ... 6Changing ventilation settings ...... 6Changing time...
Page 3 - The TrueIAQ
1 69-2072—05 The TrueIAQ ® monitors and automatically adjusts operation of your whole-house humid- ifier, dehumidifier, ventilator, or bath fan.Maintaining proper indoor humidity minimizes the potential for unhealthy airborne pol- lutants to grow. Having too little humidity can leave you vulnerable ...
Page 4 - TrueIAQ; Operation; Outdoor Conditions
69-2072—05 2 TrueIAQ ® can be used to control the humidity levels in your home, and control fresh air intake in accordance to industry recommendations (ASHRAE 62.2). Operation 68 4055 12 15 : 76 % % In Out PM M24931 Comfort Settings: Feedback on your indoor IAQ conditions. Outdoor Conditions 1 : Act...
Page 5 - Display screen reference; Indoor temperature
3 69-2072—05 Dry: Indoor humidity levels are below 20% relative humidity (RH.) Display screen reference 68 4055 12 15 : 76 % % In Out PM M24932 Wet: Indoor humidity levels are above 60% RH. Window Frost: The control is protecting your home against too much humidity based on outdoor conditions. Humid...
Page 6 - Setting; Changing humidifier settings; outdoor temperature. If window frost setting (see next page) is not; Red font is
69-2072—05 4 Outdoor Temp. Setting -20°F (-29°C) 15% 0°F (-18°C) 25% 20°F (-7°C) 35% Changing humidifier settings Note: These items will appear only if a humidifier is installed on your system. 1. Set humidifier by pressing UP/DOWN arrows.Tables below are recommended initial humidity settings based ...
Page 7 - LESS HUMIDITY; On the first cold day after TrueIAQ
5 69-2072—05 2. Press “More” to enter Window Frost Protection. Use the UP/DOWN arrows to set frost protection level. Changing humidifier settings M24830 1 2 3 4 5 6 7 8 9 LESS HUMIDITY LOOSE HOME/SINGLE-PANE WINDOWS MORE HUMIDITY TIGHT HOME/TRIPLE-PANE WINDOWS On the first cold day after TrueIAQ ® i...
Page 8 - Changing dehumidifier and ventilation settings; • “Auto” runs dehumidifier automatically according to your RH%; run if turned on by a remote switch.
69-2072—05 6 Note: These items will appear only if a dehumidifier is installed. If both a humidifier and dehumidifier are installed, these settings will appear after pushing “More” from the humidifier operation style screen. Changing dehumidifier and ventilation settings 1. Set dehumidifier by press...
Page 9 - Changing time of day and service timers; Service Timers; Service timers appear when the humidifier, dehumidifier,; Resetting Service Timers; Press and hold the DOWN arrow for 5 seconds to reset your
7 69-2072—05 1. Press “More.” Adjust hour using the the UP/DOWN arrows. 2. Press “More.” Adjust minutes using the UP/DOWN arrows. 3. Press “Done” to save settings. Changing time of day and service timers 68 4055 12 00 : 76 % % In Out Set M24934 68 4055 12 00 : 76 % % In Out Set M24935 Service Timers...
Page 10 - Installation; can be mounted to a wall or directly to the return duct.; Can cause electrical shock or
69-2072—05 8 Installation 1. Turn system power off.2. Choose a location. TrueIAQ ® can be mounted to a wall or directly to the return duct. CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before beginning installation. M24787 ELE CTR ON IC A IR C LEA NER ...
Page 12 - Wiring
69-2072—05 10 Pin Pin description Pin capacity R 24V supply. Must be common to G output. 24Vac±20% 1.5 amp max C 24V supply common. 24Vac±20% Sensor Communication and supply bus to remote sensors (sensor pins not polarized). 24Vdc 64mA max out SensorSwitch Override switch input. Active when R is app...
Page 13 - Wiring TrueIAQ
11 69-2072—05 Wiring Wiring TrueIAQ ® with a non-powered humidifier. HVAC THERMOSTAT M27340 68 40 55 12 15 : 76 % % In Out PM RCWYG RC SENSORSENSOR SWITCH W G VENTVENT DEHUMDEHUM HUMHUM 24V TRANSFORMER HE225 BYPASS HUMIDIFIER TrueIAQ +– 69-2072_C.indd 11 7/31/2008 2:04:26 PM
Page 18 - Mounting the outdoor sensor; If in an air intake, place 1 foot closer to
69-2072—05 16 Mounting the outdoor sensor 1. Do not mount on the south side of the house or in direct exposure to sunlight.2. Keep at least 4 feet away from exhaust vents. 3. If in an air intake, place 1 foot closer to outside wall. 4. Place at least 6 inches higher than possible snow buildup. 5. Do...
Page 19 - Advanced HVAC installer setup instructions
17 69-2072—05 Advanced HVAC installer setup instructions 1. Press and hold the UP/ DOWN arrows for 3 seconds. M24823 2. Press “More” to advance to the next setup option. See table on next page. 3. Use the UP/DOWN arrows to select options. See table on next page. 4. Press “Done” at any time to save a...
Page 20 - Advanced programming; Setup functions; bold
69-2072—05 18 Advanced programming Setup functions Settings & Options (factory default in bold ) 10 Temperature Display 1=Fahrenheit; 2=Celcius 15 Frost Protection 0=Not installed 1=Frost Protection OFF 2=Frost Protection ON 20 Humidity High Limit 5%-80% in 5% increments; 40% 25 Humidifier Opera...
Page 23 - Power Supply; In the Event of Power Failure; Mechanical Design; Environmental standards/life expectancy
21 69-2072—05 TrueIAQ ® Control and Outdoor Sensor • Operating/Storage temp: -40°F to 120°F (-40°C to 50°C) • Condensation Protection: 0-100% • Operating RH%: 0% to 99% non- condensing (TrueIAQ). Outdoor sensor protected from condensation. • Temp reading range: -40°C to 50°C (-40°F to 122°F) • Temp ...
Page 24 - Automation and Control Solutions; -year limited warranty
Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 http://yourhome.honeywell.com® U.S. Registered Trademark. © 2008 Honeywell International Inc. Patents pending. 69-2072—05 M.S. Rev. 07-08 Automation and Control Solutions Printed in U.S.A. on recycled paper containing at l...