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TCONT800AS11AA Touch Screen
Programmable Comfort Control
18-HD25D18-1
INSTALLATION INSTRUCTIONS
APPLICATION
The TCONT800AS11AA Programmable Comfort Control provides electronic control of 24 Vac heating and cooling
systems. See Table 1 for a general description.
Table 1. TCONT800AS11AA Comfort Control Description.
Power Method Changeover System Selection Fan Selection Comments
24 Vac common wire Automatic or Heat-Off-Cool-Auto On-Auto-Circ System and Fan selection vary
manual based on system ty
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL 3. Securely tighten each screw. Installing Wallplate 4. Push excess wire back into the hole. 5. Plug the hole with nonflammable insulation to prevent drafts from affecting the comfort control. CAUTION Electrical Hazard. HEAT PUMP Can cause electrical shock or equipment HEAT/COOL damage. Disconnect power before wiring. RC RC R R The comfort control can be mounted horizontally on the W1 O wall or on a 4 in. x 2 in. (101.6 mm x 50.8 mm)
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL HEAT/COOL HEAT/COOL RC RC 1 R R W1 W1 Y Y S1 G S1 G S2 B S2 B T T 1 2 OIL AIR R Y G T T W B/C R Y G W1 W2 W3 B/C FURNACE HANDLER OIL BURNER PRIMARY INDOOR INDOOR OUTDOOR OUTDOOR COOLING UNIT COOLING UNIT ODT O.D. SECTION Y B O.D. SECTION Y B (SINGLE STAGE) (SINGLE STAGE) (3 PH TO POWER SUPPLY (3 PH ONLY) TO POWER SUPPLY PER LOCAL CODES ONLY) PER LOCAL CODES 1 FACTORY INSTALLED JUMPER. 1 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILAB
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL Powering the Comfort Control WALL The comfort control can be powered with 24 Vac. 24 Vac Common Power (Recommended) Wire the common side of the transformer to the B screw of the comfort control wallplate. When installing in a single transformer system, keep the jumper wire between the R and Rc screws. When installing in a two- transformer system, use the common from the cooling transformer to connect to the B screw and remove the jump
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL OPERATION SET CURRENT DAY SET MONTH System and Fan Settings The System default setting is Heat and the Fan default setting is Auto. MON TUE WED D THU FRI RI SAAATT SUN SYSTEM Settings Heat: controls heating system. Off: both heating and cooling are off. Cool: controls cooling system. DONE Auto: automatically changes between heating and cooling systems, depending on indoor temperature. (See Installer Setup section.) USE ARROWS TO SET YE
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL INSTALLER SETUP The comfort control works with many different system 4. Release the two blank keys when the screen on types. To operate correctly, the comfort control must be the comfort control matches the screen below. set up to operate the installed heating and/or cooling system. Follow these steps to enter the Installer Setup: 1. Be sure the comfort control is powered. 2. Press and release the System Key. THU FAN DONE ON Inside Set
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL IMPORTANT The Installer Setup Menu (Table 4) shows all available options. These options customize themselves as you make selections to Installer Setup. So not all Installer Setup Selections are shown or are available to change. Table 4. Installer Setup Menu. Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Not used. 1 thru 0099 Date (Year 0120 20 Set first two digits
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Continuous 0280 0 Backlight not on 1 Backlight is on continuously Option is always Backlight continuously. (comfort control must have a shown; however, Comfort control common wire attached for continuously on backlight comes this function). backlight works on with each key only if comf
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Adaptive 0530 1 Adaptive Intelligent 0 0conventional recovery Intelligent Recovery control (system starts recovery at Recovery is activated (system programmed time) starts early so setpoint is reached by start of program period). Number of 0540 4 Four periods 2 Two periods availba
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Temperature 0680 2 Standard 1, 3 1less aggressive Applies to Control in temperature control temperature control (could recovery ramp Heat in heating cause temperature and use of undershoot) auxiliary heat 3more
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL SYSTEM CHECKOUT ADVANCED FEATURES Installer System Test Outdoor or Indoor Temperature Sensor The Installer System Test mode is used to test the HVAC For accuracy, the initial reading of the indoor or outdoor system(s). See Table 5. While in System Test mode, temperature sensor requires fives minutes to stabilize. minimum off -time for compressors is bypassed. See the Sensor instructions for installation information. The Installer Test is
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TCONT800AS11AA TOUCH SCREEN PROGRAMMABLE COMFORT CONTROL TROUBLESHOOTING (SEE TABLE 6) Table 6. Troubleshooting. Symptom Possible Cause Action Display does not come on. Comfort control is not Check for 24 Vac between B and Rc. being powered. Temperature settings do not The upper or lower Check temperature setpoints. change. temperature limits were Check Installer Setup Numbers 0600 and 0610; reached. modify. The keypad is fully locked. Check Installer Setup Number 0670 to change keypad lock op
