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69-2072—09 14

About your new thermostat

Wiring

M27390

68

40

55

1215

:

76

%

%

In

Out

PM

R
C

SENSOR
SENSOR

SWITCH

W

G

VENT
VENT

DEHUM
DEHUM

HUM
HUM

TrueIAQ

EARD-6

TH8110U

Y

W

R Rc

OUTDOOR

SENSOR

(PROVIDED)

HVAC

R
C
W
Y
G

C

G

DH90 DEHUMIDIFIER

GRAY DAMPER CONTROL

(NOT USED)
RED +24VAC POWER
YELLOW

COMPRESSOR

CONTROL COMM.
BLUE FAN AND

COMPRESSOR CONTROL
GREEN FAN ONLY

CONTROL

1

IF A THERMOSTAT OTHER THAN A TH5110, TH5220, TH5320, TH6110, 

TH6220, TH6320, TH8110, TH8320 OR TH8321 IS USED, A RELAY MAY BE 

REQUIRED TO ISOLATE THE G WIRE.  

1

Wiring TrueIAQ

®

 with a 

dehumidifier and ventilation 

damper.

Summary of Contents for TrueIAQ

Page 1: ...Owner s Guide TrueIAQ Digital IAQ Control 69 2072 09 ...

Page 2: ...on Installation 8 Wiring 10 Mounting the outdoor sensor 17 Advanced programming 18 Appendices Standards 22 Warranty information 23 Read and save these instructions Need Help For assistance with this product please visit http yourhome honeywell com or call Honeywell Customer Care toll free at 1 800 468 1502 Table of contents U S Registered Trademark Patents pending Part number DG115EZIAQ Copyright ...

Page 3: ...hout dependency on HVAC equipment opera tion If you have both a humidifier and dehumidifier installed the TrueIAQ can automati cally change over to the appropriate equipment based on your comfort settings and the changing outdoor conditions TrueIAQ can also deliver fresh air with or without dependency on HVAC equipment operation Today s building codes require homes to be built more tightly for ene...

Page 4: ...ment Operation Displays what equipment is operating at a given time 1 Actual outdoor temperature and humidity will only be displayed if the outdoor sensor is installed Maintenance Reminders Notifies you when your equip ment needs service Programmable Clock Displays time and allows IAQ equipment programming based on time More Advances between installed IAQ equipment control options Done Saves chang...

Page 5: ...ased on outdoor conditions Humidity levels in your home may not reach your desired RH setting as a result Indoor temperature and humidity Outdoor temperature and humidity De Humidify If Humidify is dis played the control is calling for more humidity If DeHumidify is displayed the control is calling for humidity removal Ventilate Fresh air ventilation is on Service Reminders All are timer based and...

Page 6: ... on outdoor temperature If window frost setting see next page is not being used the humidity setting should be adjusted manually when outdoor conditions change Set Humidify 35 M24831 Red font is blinking on screen If both humidifier hum and dehumidifier dehum are installed Dehum setpoint can only be equal to or higher than Hum setpoint If equal equipment changeover will be at least 5 higher dehum ...

Page 7: ...cold day after TrueIAQ is installed look for condensation on windows If present lower Frost Protection by one Once set for your home Frost Protection does not need to be changed again 3 Press More again to enter operation style Press the UP DOWN arrows to set Auto runs humidifier automatically according to settings Off turns the humidifier off 4 Press Done to save settings or More to enter dehumid...

Page 8: ...settings Off turns the dehumidifier off 3 Press Done to save settings or More to enter ventilation settings Set DeHumidify 60 M24834 DeHumidify Auto Off M24835 Note These items will appear only if a ventilator is installed 1 Use the UP DOWN arrows to run ventilation temporarily Range is from 20 to 480 minutes in 20 minute increments 2 Press More again to enter operation style Auto runs ventilation...

Page 9: ...rs 6840 55 12 00 76 In Out Set M24934 6840 55 12 00 76 In Out Set M24935 Service Timers Service timers appear when the humidifier dehumidifier ventilator air filter and or UV bulbs need service Your HVAC technician will set these timers during installation Resetting Service Timers Press and hold the DOWN arrow for 5 seconds to reset your service timers 6840 55 12 15 76 In Out PM M24933 ...

Page 10: ...ower 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 ELECTRON IC AIR CLEANER ...

Page 11: ... AWG to 1 X 22 AWG Install the mounting plate using two screws M24818 6 For duct mounting A snap out side wall clip and attach as shown Run wires through the side wall hole under the clip to the terminals B Snap in sensor cap 7 Reinstall the front housing on the power base and secure with screw Note If duct mounted ensure sensor cap tip aligns with air flow in duct 8 Apply power to the system M248...

Page 12: ...e when R is applied 24Vac 20 10mA max in G G input to sense fan calls Active when R is applied Fan output to activate system fan R8222 Isolation Relay may be required if G is not isolated through the thermostat 24Vac 20 10mA max in 24Vac from R 1Amp max out Vent 1 Dry contact output Opens the vent damper of an HRV or the bathroom fan and Damper 24Vac from R 1Amp max out Vent 2 Dehum 1 Dry contact ...

Page 13: ...ng TrueIAQ with a non powered humidifier HVAC M32534 6840 55 1215 76 In Out PM R C W Y G R C SENSOR SENSOR SWITCH W G VENT VENT DEHUM DEHUM HUM HUM 24V TRANSFORMER HE100 HE200 BYPASS HUMIDIFIER TrueIAQ OUTDOOR SENSOR THERMOSTAT ...

Page 14: ...iring TrueIAQ with a powered humidifier HVAC THERMOSTAT M32535 6840 55 1215 76 In Out PM R C W Y G R C SENSOR SENSOR SWITCH W G VENT VENT DEHUM DEHUM HUM HUM HE150 HE250 HE300 BYPASS HUMIDIFIER TrueIAQ OUTDOOR SENSOR HUM HUM ...

Page 15: ...MOSTAT HUM HUM R C G Y W R Rc G Y W R C 24V 24V HUM HUM C GT R RT GF EXT RECOMMENDED PRESSURE SWITCH SENSOR SENSOR HVAC M29761 TrueSTEAM INTERNAL NOTE IF PRESSURE SWITCH IS USED ENSURE DIP 5 IS IN ON POSITION FACTORY INSTALLED JUMPER 6840 55 1215 76 In Out PM TrueIAQ OUTDOOR SENSOR ...

Page 16: ...PROVIDED HVAC R C W Y G C G DH90 DEHUMIDIFIER GRAY DAMPER CONTROL NOT USED RED 24VAC POWER YELLOW COMPRESSOR CONTROL COMM BLUE FAN AND COMPRESSOR CONTROL GREEN FAN ONLY CONTROL 1 IF A THERMOSTAT OTHER THAN A TH5110 TH5220 TH5320 TH6110 TH6220 TH6320 TH8110 TH8320 OR TH8321 IS USED A RELAY MAY BE REQUIRED TO ISOLATE THE G WIRE 1 Wiring TrueIAQ with a dehumidifier and ventilation damper ...

Page 17: ...M HUM TrueIAQ TH8110U Y W R Rc OUTDOOR SENSOR PROVIDED HVAC R C W Y G C G RED BLACK GREEN 2 IF A THERMOSTAT OTHER THAN A TH5110 TH5220 TH5320 TH6110 TH6220 TH6320 TH8110 TH8320 OR TH8321 IS USED A RELAY MAY BE REQUIRED TO ISOLATE THE G WIRE FOR WIRING OF HUMIDIFIER OTHER THAN THE HE100 OR HE200 READ THE INSTALLATION INSTRUCTIONS 1 2 HE100 HE200 R C L1 L2 24 VOLT 40VA TRANSFORMER ERV HRV 1 ...

Page 18: ...HE100 OR HE200 READ THE INSTALLATION INSTRUCTIONS IF A RELAY OTHER THAN THE R8239 IS USED A DEDICATED TRANSFORMER WITH AT LEAST 40 VA IS REQURED TO POWER THE HE265 AND EARD IF AN R8239 IS USED AS SHOWN IN THIS DIAGRAM NO ADDITIONAL TRANSFORMER IS REQURED 1 M32537 6840 55 1215 76 In Out PM R C SENSOR SENSOR SWITCH W G VENT VENT DEHUM DEHUM HUM HUM TrueIAQ EARD 6 TH8110U Y W R Rc OUTDOOR SENSOR PROV...

Page 19: ...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 not route sensor wire near high voltage wires Note The sensor can be extended using 18 gauge wire M24821 M24822 ...

Page 20: ...s 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 and return to the home screen M24825 M24824 ...

Page 21: ...st Protection OFF 2 Frost Protection ON 20 Humidity High Limit 5 80 in 5 increments 40 25 Humidifier Operation 0 Hum only while heat on 1 Hum only while fan on 2 Hum forces fan on 3 Hum operates indepen dent of fan 30 Programmed Humidity 0 OFF 1 ON 35 Program Start Time appears only if ISU30 1 15 min increments 11 00 PM 40 Program End Time appears only if ISU30 1 15 min increments 7 00 AM 45 DEHUM...

Page 22: ...vice Timer 0 1 3 6 12 months continuous 100 Vent Filter Service Timer 0 1 3 6 12 months continuous 105 Vent Service Type 0 Clean ventilation filter 1 Change ventilation filter 110 UV Bulb Service Reminder 0 6 12 24 months continuous 115 Vent Options 0 No vent installed 1 Ventilation using VENT contacts 2 Ventilation using VENT contacts for high speed and DEHUM contacts for low speed only if dehum ...

Page 23: ... CFM up to 20 200 CFM 155 Maximum Vent 00 30 95 00 setting runs to ASHRAE 100 160 Vent Shut offs 0 Auto vent regardless of outdoor conditions 1 Off at 75 F dew point or 99 F air temp 2 Low speed at 65 F dew point or 85 F air temp Off at 75 F dew point or 99 F air temp Note If option 1 or 2 is selected then ASHRAE 62 2 Standard will not be met 165 Dehumidification Via Fresh Air Ventilator 0 Do not ...

Page 24: ...ne gang box Flame Rating UL94V 0 RoHS compliant Relay life 100 000 cycles at 1A 24Vac Power Supply 24Vac 20 50 60Hz TrueIAQ control 24Vdc 2 wire over communication bus not polarized outdoor sensor Protected against voltage spikes Not protected against over voltage connection ex 120 or 240V All setup parameters are stored indefinitely In the Event of Power Failure Real time clock is maintained for ...

Page 25: ...session of a consumer Honeywell s sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some states do not allow the exclusion...

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Page 28: ...5 Douglas Drive North Golden Valley MN 55422 Honeywell Limited Honeywell Limitée 35 Dynamic Drive Toronto Ontario M1V 4Z9 http yourhome honeywell com U S Registered Trademark 2011 Honeywell International Inc Patents pending 69 2072 09 M S Rev 03 11 Printed in U S A ...

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