Summary of the content on the page No. 1
®
VisionPRO IAQ
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.
• 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
com
Summary of the content on the page No. 2
® 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. System types (up to • Gas, oil or electric heat with air Clock Accuracy: +/- 1 minute per year. 4 heat/2 cool) conditioning • Warm air, hot water, high-efficiency Resistance Characteristics of Rem
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® 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 THERMOSTAT dimensions in in. (mm). 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 (84) M23539 ® Fig. 1. VisionPRO IAQ Comfort System M22139 dimensions in in. (mm). Fig. 4. 32003796-001 Cover Plate dimensions in in. (mm). 7-9/32 (185) 6-57/64 (175) 4-35/64 1-21/64 (116) (34) FRONT VIE
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 2-9/32 2-9/32 (58) (58) 1-1/2 (38) 45/64 1-1/2 (38) (18) M23522 FRONT VIEW SIDE VIEW FRONT VIEW (COVER OFF) Fig. 5. C7189U1005 Remote Indoor Sensor dimensions in in. (mm). Do not install the thermostat where it can be affected by: INSTALLATION — Drafts or dead spots behind doors and in corners. — Hot or cold air from ducts. — Radiant heat from sun or appliances. When Installing this Product... — Concealed pipes and chimneys. 1. Read these instructions
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® 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. Insert the mounting screws into the holes and tighten. Discover mode). WALL WIRES THROUGH WALL AND WIRE SLOT WALL ANCHORS (2) WALL ANCHOR COMMUNICATION LED MOUNTING HOLES DRILL 3/16 IN. HOLES M23541 FOR DRYWALL. DRILL 7/32 IN. HOLES FOR PLA
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 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 metal jumper wire between Rc and Rh. 2. If thermostat is configured for a heat pump system in the Installer Setup, configure changeover valve for cool (O-factory setting) or heat (B). For wiring to a W8835 Zone panel please refer to the product data sheet included with the panel. M23
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM KEY 1 2 = NORMALLY OPEN, DRY CONTACTS 3 C 24 VAC R RC = NORMALLY CLOSED, DRY CONTACTS RH M23685 H1 POWERED U HUMIDIFIER M2 D1 H OR M2 1 HEAT 1 RELAY V1 COMMUNICATION LED 1 1 N COMMUNICATION CONV. HP T2 2 2 HEAT 2 RELAY TERMINALS W1 O/B M23490 3 3 W2 AUX C HEAT 3 RELAY 24 VAC W3 AUX2 Fig. 15. Typical hookup of powered humidifier. R Y Y COOL 1 RELAY RC Y2 Y2 RH COOL 2 RELAY G G 1 FAN RELAY FACTORY INSTALLED 2 JUMPER BETWEEN R, 3 RC AND RH C 24 VA
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM POWER THE THERMOSTAT 1 2 • 24 Vac common wire only to EIM or zone panel. 3 C 24 VAC R Wiring 24 Vac Common RC FIELD INSTALLED • Single-Transformer System—Connect the common side of JUMPER BETWEEN RH the transformer to the C screw terminal of the EIM. Leave R AND VNT 1 the metal jumper wires in place between R, Rc, and RH. H1 U • Two-Transformer System—Connect the common side of M2 the cooling transformer to the C screw terminal of the EIM. D1 H OR Re
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM IMPORTANT Locate and Mount C7089U1006 Outdoor 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. 23): tion. Use shielded cable to reduce interference if • cannot tamper with settings. rerouting sensor wiring is not possible. • there is good air circulation. • it can measure true ou
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM MON TUE WED THU FRI SAAATT SUN YES FAN NO Inside Set To AUTO NO Following 5 FEET SYSTEM Schedule (1.5 METERS) Outside NO HEAT AM 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 screen. Wire C7189U1005 Indoor Sensor MON TUE WED THU FRI SAT SUN CAUTION Electrical Interference (Noise) Hazar
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM • The thermostat will display the temperature measured at the sensor locations (internal thermostat sensor is C7189 L 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. 2 OUT • The thermostat will display a 50-50 average of the 1 IN temperature measured at the thermostat location and the 2 IN average of the temperatures measur
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 1. Press and release the System Key. USE ARROWS TO SET YEAR AND TIME THU MO W WE TH FR SA SU FAN ON Inside AUTO Following SYSTEM Schedule EM HEAT OFF A COOL M Humidity SCHED HOLD CLOCK SCREEN DONE M22425 M23498 2. Press and hold the two blank keys on either side of the center blank key for approximately five seconds until INSTALLER SETUP screen changes. Auto Discover is available when the TH9421C thermostat is connected to an EIM. The EIM communicates
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® 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 MON WED THU U FRI SAAAATT SUN DONE O CHANGE THE PRESS TO EXIT CURRENT INSTALLER SETUP SETTING M22443 5. Press the Done key to exit the Installer Setup screen. Table 3. Installer Setup Menu. ISU Parameter Installer Setup Settings Number
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) ISU Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes 200 Back-up Heat 0 Electric backup heat Only shown if ISU172 = 2 and ISU176 = 1 or greater. Source Applies to 1 Fossil fuel backup heat both Aux and E Auto Discover EmHeat 210 External Fossil 0 Thermostat controls backup heat Only shown if ISU172 = 2 and ISU200 = 1. Fuel Kit 1 External Fossil Fuel kit controls backup heat
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) ISU Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes 345 Dual Fuel Heat 0 Balance point only See Dual Fuel Heat Pump control on page 22. Pump Control 1 Balance point plus 2° droop 2 Balance point/auxiliary heat lockout plus 2° droop. 346 Dual Fuel Heat 0 Disabled See Dual Fuel Heat Pump control on page 22. Pump Upstage to 30 30 minutes Furnace Timer 45 45 minutes 60 60 minut
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) ISU Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes 374 Hum Fan Action 0 Humidify only while fan or heat is on Setting 0 will run the humidifier only during a call for 1 Humidify will force fan on heat or if the fan is running. 2 Humidify only when heat is on Setting 1 will force the fan to run if there is a call for 3 Humidifier operates independent of fan humidification
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) ISU Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes 500 Furnace Filter 0 Disabled USU Change 1 10 R.T. Days Reminder 2 30 R.T. Days 3 60 R.T. Days 4 90 R.T. Days 5 120 R.T Days 6 180 R.T. Days 7 270 R.T. Days 8 365 R.T. Days 9 30 C Days 10 60 C Days 11 90 C Days 12 120 C Days 13 180 C Days 14 365 C Days E Auto Discover 502 Furnace filter 0 Counts runtime Heat and Cool remin
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® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM Table 3. Installer Setup Menu. (Continued) ISU Parameter Installer Setup Settings Number Name (Factory Defaults Shown in Bold) Notes 700 Temperature -3 -3°F -1.5°C Display Offset -2 -2°F -1°C -1 -1°F -.5°C 0 0°F 0. °C — (no difference in displayed temperature and actual room temperature) 1 1°F .5°C 2 2°F 1°C 3 3°F 1.5°C 701 Humidity Display -5 -5% Offset -4 -4% -3 -3% -2 -2% -1 -1% 0 0% 1 1% 2 2% 3 3% 4 4% 5 5% 710 Restore Factory 0 No Restoring factor
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® 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 0 Off 1 Cool Stage 1 2 Cool Stages 1 & 2 Test 2 Installer Test Fan 0 Off 1 Fan On Test 3 Installer Test Heat 0 Off 1 Heat Stage 1 2 Heat Stages 1, 2 3 Heat Stages 1,2,3 4 Heat Stages 1,2,3,4 Test 4 Emergency Heat Test 0 Off 1 AUX Heat Stage 1 2 AUX Heat Stages 1 and 2 Test 5 Installer Test Humidifie
Summary of the content on the page No. 20
® VISIONPRO IAQ TOTAL HOME COMFORT SYSTEM 1. Press the More key until the inside humidity level set- System and Fan Settings 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. Press Done key. The System key selections vary based on your heating and/or cooling system type. Control Dehumidification Level Heat — Thermostat controls the heating system. ® The VisionPRO IAQ Touchscreen Thermostat reads the Off — Bot
