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Manuel d’utilisation Honeywell THM5421C1008

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Summary
  • Honeywell THM5421C1008 - page 1

    PRODUCT DATA 68-0287-1 Vi s i o n P R O ® IAQ T otal Home Comfort System APPLICATION The VisionPRO ® IAQ T otal Home Comfort System features an effortless, 7-Day programmable touchscreen thermostat that provides cont rol of tem perature, humid ification, dehumidification, an d ventilation. FEATURES • Large, clear display with backlig ht shows t ...

  • Honeywell THM5421C1008 - page 2

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 2 SPECIFICATIONS Thermostat Description: Electrical Ratings: T emperatur e Setting Range: Heating: 40 °F to 90°F(4.5°C to 32°C). Cooling: 50°F to 99°F (10°C to 37°C). Operating Ambie nt T emperature: VisionPRO ® IAQ Thermost ats: 0°F to 120°F (-18°C to 49°C). THM5421C1008: -30°F ...

  • Honeywell THM5421C1008 - page 3

    VISIONPRO ® IAQ T OT AL HOME COMFORT SYSTEM 3 68-0287—1 Fig. 1. V isionPRO ® IAQ Comfort System dimensions in in. (mm). Fig. 2. THM5421C100 8 Equipment Interface Module dimensions in in. (mm). Fig. 3. C7089U1006 Outdoor Sensor Mounting Clip dimensions in in. (mm). Fig. 4. 32003796-001 Cov er Plate dimensions in in. (mm). M23539 6 (152) THERMOST ...

  • Honeywell THM5421C1008 - page 4

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 4 Fig. 5. C7189U1005 Remote Indoor Sensor dimensions in in. (mm). INSTALLATION When Installing this Product... 1. Read these instructions carefully . Fai lure to follow the instructions can damage the product or cause a ha zard- ous condition. 2. Check the ratings given in the instructions to ...

  • Honeywell THM5421C1008 - page 5

    VISIONPRO ® IAQ T OT AL HOME COMFORT SYSTEM 5 68-0287—1 4. Position the wallplate o ver the holes, pulling wire s through the wiring opening. See Fig. 7. 5. Insert the mounting screws into the holes and tighten. Fig. 7. Mountin g wallplate. Installing Equipment Interface Module (EIM) CAUTION Electrical Hazard. Can cause electrical shock or eq ui ...

  • Honeywell THM5421C1008 - page 6

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 6 Fig. 9. Inserting wires in terminal bloc k. IMPORT ANT Use 18-gauge thermostat wire. NOTES: 1. 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 met al jumper wire between Rc a nd Rh. ...

  • Honeywell THM5421C1008 - page 7

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 7 68-0287—1 Fig. 12. T ypical hookup of conv entional system with up to three-stage heat and two-stage cool with one trans former (3H/2C, 2H/2C, 2H/1C, 1H /2C, 1H/1C conventional). Fig. 13. T ypical hookup of heat pump system (up to 4H/2 C heat pump). Fig. 14. T ypical hookup of non-pow ered humidifie r ...

  • Honeywell THM5421C1008 - page 8

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 8 Fig. 18. T y pical hookup of fresh air damper . NOTE: Use this hookup for ventilation using a fresh air damper . Fig. 19. T ypical hookup of powered ventilation. Fig. 20. Hookup of Honeywell DH90 with fresh air intake for ventilation. POWER THE THERMOSTAT • 24 V ac common wire only to EIM ...

  • Honeywell THM5421C1008 - page 9

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 9 68-0287—1 Locate and Mount C7089U1006 Outdoor T emperature Sensor (Optional) Mount the sensor where (see Fig. 23): • cannot tamper with settings. • there is good air circulation. • it can measure true outdoor ambient temperature. • surface is flat. • wire distance between C7089U100 6 and EIM ...

  • Honeywell THM5421C1008 - page 10

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 10 If thermostat is set to Auto Changeover System mode, press the More key until th e outside temperature is shown on the screen. Locate and Mount C7189U1005 Remote Indoor T emperature Sensor (Optional) 1. Choose a location (see Fig. 25) for mounting the sensor on an inside wall about 5 ft (1. ...

  • Honeywell THM5421C1008 - page 11

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 11 68-0287—1 Fig. 26. Wiring a single C7189U1005 Indoor Senso r . Fig. 27. Wiring Multiple C7 189U1005 Sensors. If a remote indoor temperature sensor is installed, the thermost at has several options fo r displaying th e current indoor temperature. This is co nfigured in ISU 340. The ther mostat can dis ...

  • Honeywell THM5421C1008 - page 12

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 12 INSTALLER SETUP Auto Discover is available when the TH9421C thermo stat is connected to an EIM. The EIM communicates information to the thermostat. Thermostat settings can be specified using the up and down arrow keys on the screen or set to Auto Discover . Using Auto Discover Some Installe ...

  • Honeywell THM5421C1008 - page 13

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 13 68-0287—1 4. See screen bel ow to review how the thermo stat keys are used during Installer Setup. See T able 3–4 for th e Installer Setup Numbers and Settings. 5. Press the Done key to exit the Installer Setup screen. DONE O MON WED THU FRI SA T A A T SUN INST ALLER SETUP NUMBER CURRENT SETTING AD ...

  • Honeywell THM5421C1008 - page 14

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 14 200 Back-up Heat Source Applies to both Aux and EmHeat 0 1 E Electric backup heat Fossil fuel backup heat Auto Discover Only shown if ISU172 = 2 and ISU176 = 1 or gr eater . 210 External Fossil Fuel Kit 0 1 Thermostat controls backup heat External Fossil Fuel kit co ntrols backup heat Only ...

  • Honeywell THM5421C1008 - page 15

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 15 68-0287—1 345 Dual Fuel Heat Pump Control 0 1 2 Balance point only Balance point plus 2° droop Balance point/auxiliary heat lockout plus 2° droop. See Dual Fuel Heat Pump control on page 22. 346 Dual Fuel Heat Pump Upstage to Furnace Timer 0 30 45 60 75 Disabled 30 minutes 45 minutes 60 minut es 75 ...

  • Honeywell THM5421C1008 - page 16

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 16 374 Hum Fan Action 0 1 2 3 Humidify only wh ile fan or heat is on Humidify will force fan on Humidify only when heat is on Humidifier operates independent of fan Setting 0 will run the humidi fier only during a call for heat or if the fan is running. Setting 1 will force the fan to run if t ...

  • Honeywell THM5421C1008 - page 17

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 17 68-0287—1 500 USU Furnace Filter Change Reminder 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 E Disabled 10 R.T . Days 30 R.T . Days 60 R.T . Days 90 R.T . Days 120 R.T Days 180 R.T . Days 270 R.T . Days 365 R.T . Days 30 C Days 60 C Days 90 C Days 120 C Days 180 C Days 365 C Days Auto Discover 502 Furnace fil ...

  • Honeywell THM5421C1008 - page 18

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 18 INST ALLER SYSTEM TEST Use the Installer System T est to test th e heating, cooling and fan (and emergency heat fo r heat p ump systems). CAUTION Equipment Damage Hazard . Minimum compressor off tim e is byp assed du ring Installer System T est Avoid cycling compressor quick ly . How to Use ...

  • Honeywell THM5421C1008 - page 19

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 19 68-0287—1 Installer System T ests When VisionPRO® IAQ is used in a zoning system you must exit th e installer test on one thermostat before entering the installer test on another thermostat. OPERATION Thermostat Keys Thermostat Display T able 4. Inst aller System T est. System T est Number T est T y ...

  • Honeywell THM5421C1008 - page 20

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 20 System and Fan Settings System The System key selections vary based on your heating and/or cooling system type. Heat — Thermost at controls the heating system. Off — Both heating and cooling systems are off. Cool — Thermostat controls the cooling system. Auto — Thermostat automatica ...

  • Honeywell THM5421C1008 - page 21

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 21 68-0287—1 DEHUMIDIFICATION DROOP CONTROL In extremely high humidity conditions, the th ermostat keep s 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 tem ...

  • Honeywell THM5421C1008 - page 22

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 22 Heat Pump Emergency Heat LED Indication The thermostat us es a red LED indicat or that lights when the thermostat is in the Emergency Heat mode . The LED is located in the upper right corner of th e thermostat. It is visibl e only when on. Heat Pump T emperature Lockouts Dual Fuel Heat Pump ...

  • Honeywell THM5421C1008 - page 23

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 23 68-0287—1 Fig. 32. Heat Pump Operation with Lockout T emperatures Set. When the outdoor temperature is betw een the two temperatures, both the Compresso r and Auxiliary Heat operate. Operation in Emer gency Heat Mode Once the thermostat is placed into the Emergency Heat mode, the compressor and auxil ...

  • Honeywell THM5421C1008 - page 24

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 24 a Humidification only operates in heati ng or whe n last call was for heating. b Dehumidification only operates in cooling or when last call was for cooling. c Must be set up in installer setup (ISU 379) for dehumidification with air conditioni ng. d Installer setup (ISU 406) must be setup ...

  • Honeywell THM5421C1008 - page 25

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 25 68-0287—1 4. See the screen below to re view how the thermostat keys are used during the User Setup. See T abl e 8 for the User Setup numbers and settings. 5. Press the Done key to exit the User Setup screen. PROGRAMMING Preprogrammed Energy Star Settings T able 9 shows defau lt program settings. Vis ...

  • Honeywell THM5421C1008 - page 26

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 26 back to a comfortable temperatur e. Sleep —Period when you are asleep and want an energy- saving temper ature. NOTE: Schedule times are in 15-minute intervals. Edit Schedule 1. Press Sched key . 2. Press Edit key . 3. It is OK to pick multiple days. Select any combination of days to edit. ...

  • Honeywell THM5421C1008 - page 27

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 27 68-0287—1 6. The time, temperature(s) and fan setti ng disappear . The bar above the selected perio d is removed, indicating the scheduled period wa s cancelled. NOTE: T o reinstate a schedule period, press arrow keys to set desired time and temperatur es. 7. Press Done key . Fan Schedule Press Fan k ...

  • Honeywell THM5421C1008 - page 28

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 28 OPERATE VISIONPRO ® IAQ Set Time 1. Press Clock. 2. Use arrows to set current time. 3. Press Done key . IMPORTANT The current day of the week should already be set correctly . If not, see Instal ler Setup to set the day . Set T e mperature Overrides The thermostat has four temper ature ove ...

  • Honeywell THM5421C1008 - page 29

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 29 68-0287—1 4. T o cancel the V acation Hold ove rride early , press the Cancel ke y . NOTE: When the number of days of V acation Hold expires, the screen shows “Following Sche dule” to indicate that V acati on Hold has ended. SOUTHERN DEHUMIDIFICATION A WAY SETTING Southern Dehumidification Away S ...

  • Honeywell THM5421C1008 - page 30

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 30 If you don’t have a dehumidifier , the thermostat activates the air conditioner to reduce humidity (may cool as much as 3°F lower than your temperature setting). 1. Press MORE until the dehumidifier screen is displayed. 2. Press the Up or Down arrow to set the desired humidity level and ...

  • Honeywell THM5421C1008 - page 31

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 31 68-0287—1 5. Press the Reset key to activa te the new number of days selected in the pr evious screen. 6. Press the Done key to retu rn to the Home screen. Humidifier Pad Reminder The Humidifier Pad change reminder must be turned on from the Installer Setup. Once expi red, the screen flashes, “Chan ...

  • Honeywell THM5421C1008 - page 32

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 32 NOTE: It takes about a week for the thermostat to ad just to local weather , the schedule, the construction of the home and the heat ing and/or cooling system. Each day it adjusts the next day’s recovery start time accordingly . P+I Control The thermostat microprocessor-bas ed control req ...

  • Honeywell THM5421C1008 - page 33

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 33 68-0287—1 C7089U1006 Outdoor T emperature Sensor Operat ion When installed with Thermostat Installer Setup Number 0342 set to 1, the outside temperature can be displayed on the thermostat. See Fig. 34. Fig. 34. Outside temperature reading on Vis io nP RO ® IAQ Thermost at. The C7089U1006 Outdoor Sen ...

  • Honeywell THM5421C1008 - page 34

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 34 installed with Thermostat Installer Setup Number 340 set to 2, the temperature displayed on the thermostat home screen as Inside T empera ture will be a 50/50 average between the temperature sensed at the re mote sensor locati on and the temperature sensed at the thermostat location. The C7 ...

  • Honeywell THM5421C1008 - page 35

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 35 68-0287—1 T ROUBLESHOOTING T able 15. T ro ubleshooting. Symptom Possible Cause Action Display does not come on Thermostat is not being powered Ch eck i f the thermostat is m ounted and latched on the wall plate. If not: — Mount and latch the thermostat on the wallp late. Check if the circuit break ...

  • Honeywell THM5421C1008 - page 36

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 36 Cooling does not turn on (“Cool On” is solid in the display) Cooling Equipment failure Check for 24 V ac at the equipmen t on the secondary side of the transformer between power and common. If voltage is not present check the cool ing equipment to find the cause of the problem. Check fo ...

  • Honeywell THM5421C1008 - page 37

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 37 68-0287—1 Heat On is not in the display . S ystem setting is not set to Heat and/or temp erature se tting is not set above room temperatur e. Set the system setting to He at and set the temperature setting above the room temperature. Cool On is not in the display . System setting is not set to Cool a ...

  • Honeywell THM5421C1008 - page 38

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 68-0287—1 38 COMPATIBILITY Recommend the following products for use with the VisionPRO® IAQ. Following is a list of compatible communicating products. * T8635L thermostats used with TH9 421C thermostats must be used with a W8835 A Zone Panel and the T H9421C must be the Master Zone Contro ller (zone 1 ...

  • Honeywell THM5421C1008 - page 39

    VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM 39 68-0287—1 ...

  • Honeywell THM5421C1008 - page 40

    Automation and Co ntrol Solutions Honeywell Internation al Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Dri ve North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com VISIONPRO ® IAQ T OTAL HOME COMFORT SYSTEM ® U.S. Registered T rademark © 2006 Honeywell International I nc. US Patent No. 6,208,26 ...

Fabricant Honeywell Catégorie Thermostat

Les documents que nous recevons du fabricant de l'appareilHoneywell THM5421C1008 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Honeywell
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Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Honeywell THM5421C1008.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Honeywell THM5421C1008, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Honeywell THM5421C1008. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Honeywell THM5421C1008.

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