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TCONT802AS32DA Touch Screen and
TCONT803AS32DA Touch Screen with
Dehumidification Control Comfort Controls
18-HD25D19-3
INSTALLATION INSTRUCTIONS
APPLICATION
The TCONT802AS32DA and TCONT803AS32DA Touch Screen Comfort Controls provide electronic control of 24 Vac
heating and cooling systems. See Table 1 for a general description.
Table 1. TCONT802AS32DA and TCONT803AS32DA Comfort Control Description.
Power Method Changeover System Selection Fan Selection Comments
24 Vac common Automatic or Heat
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION Do not install the comfort control where it can be affected 3. Securely tighten each screw. by: 4. Push excess wire back into the hole. Drafts or dead spots behind doors and in corners. 5. Plug the hole with nonflammable insulation to pre- Hot or cold air from ducts. vent drafts from affecting the comfort control. Radiant heat from sun or appliances. Concealed pipes and chimneys. Unheated (uncooled) area
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT/COOL HEAT/COOL Y2 RC 1 RC Y2 1 R R W1 W1 W2 Y W2 Y S1 G S1 G S2 B S2 B T T 2 2 VARIABLE SPEED AIR R BK O YLO Y G W1 W2 B/C R Y G W1 W2 W3 B/C TWO-STAGE HANDLER FURNACE/VARIABLE SPEED AIR HANDLER INDOOR INDOOR OUTDOOR OUTDOOR COOLING UNIT COOLING UNIT ODT O.D. SECTION B O.D. SECTION Y Y1 Y2 B (SINGLE STAGE) (TWO STAGE) (3 PH (3 PH TO POWER SUPPLY TO POWER SUPPLY ONLY) ONLY) PER LOCAL CODES PER LOCAL CODES
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT PUMP Y2 RC 1 R F X2 O W1 Y S1 G S2 B T 2 I-PF PM-A SUPPL. HTR. CONTROL BOX AIR R Y O G W1 W2 W3 B/C T HANDLER REQ. FOR ODT-1 3 PH TO POWER SUPPLY PER ODT-2 LOCAL CODES AND AS DEFINED IN FIELD WIRING TABLE INDOOR OUTDOOR HEAT PUMP O.D. SECTION R Y O B X2/BK BR(T) (SINGLE STAGE) (3 PH TO POWER SUPPLY ONLY) PER LOCAL CODES 1 FACTORY INSTALLED JUMPER. 2 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT PUMP Y2 RC 1 F R X2 O W1 Y S1 G S2 B T 2 3 VARIABLE SPEED R BK O G YLO Y W1 W2 B/C AIR HANDLER INDOOR OUTDOOR 16 SEER HEAT PUMP Y2 Y1 O B R O.D. SECTION X2/BK BR(T) (TWO STEP) (3 PH TO POWER SUPPLY ONLY) PER LOCAL CODES 1 FACTORY INSTALLED JUMPER. 2 OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE. 3 THE INSTALLER MUST JUMPER AT THE LVTB
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT PUMP RC Y2 1 R F O X2 Y W1 S1 G 2 S2 B T 1 VARIABLE SPEED R BK O G YB W1 W2/C YLO TWO STAGE FURNACE INDOOR OUTDOOR HEAT PUMP R Y O BR/X2 BR(T) B O.D. SECTION OR BK (SINGLE STAGE) (3 PH TO POWER SUPPLY ONLY) 1 PER LOCAL CODES FACTORY INSTALLED JUMPER. OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A 2 CABLE SEPARATE FROM THE THERMOSTAT CABLE. M24201 Fig. 13. Typical hookup of single-stage heat pump with two stag
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT PUMP Y2 RC 1 F R X2 O W1 Y G S1 2 B S2 T 1 VARIABLE Y1/ SPEED R BK O G Y/Y2 W1 W2 B/C YLO TWO STAGE FURNACE INDOOR OUTDOOR HEAT PUMP R Y2 O X2/BK BR(T) Y1 F B O.D. SECTION (TWO STAGE) (3 PH TO POWER SUPPLY ONLY) 1 PER LOCAL CODES FACTORY INSTALLED JUMPER. OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A 2 CABLE SEPARATE FROM THE THERMOSTAT CABLE. M24202 Fig. 14. Typical hookup of multistage heat pump with two st
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION HEAT PUMP RC Y2 1 R F O X2 Y W1 S1 G 2 S2 B T 1 VARIABLE SPEED R BK O G YLOYB W1 W2/C TWO STAGE FURNACE 3 INDOOR OUTDOOR 16 SEER R Y2 Y1 O X2/BK BR(T) B HEAT PUMP O.D. SECTION (TWO STEP) (3 PH TO POWER SUPPLY ONLY) 1 PER LOCAL CODES FACTORY INSTALLED JUMPER. OUTDOOR REMOTE SENSOR. WIRES MUST HAVE A 2 CABLE SEPARATE FROM THE THERMOSTAT CABLE. M24203 3 REMOVE / CUT JUMPER FROM R TO BK. Fig. 15. Typical hookup o
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION This comfort control is designed to automatically keep the Mounting the Comfort Control current time and day in memory for up to ten years under 1. Align the terminal screw blocks with the pins on the normal use once the calendar is set. When the comfort back of the comfort control. control is first powered, the display is ready for the 2. Push the comfort control straight onto the wallplate. calendar date to
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION OPERATION C TO C System and Fan Settings The System default setting is Heat and the Fan default EQUIPMENT setting is Auto. MONITOR FTO R SYSTEM SETTINGS M22646 Heat: controls heating system. Off: heating and cooling are off. Fig. 20. F terminal switch to R (power) side of system Cool: controls cooling system. transformer. Auto: automatically changes between heating and cooling systems, depending on indoor tempe
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION INSTALLER SETUP The comfort control works with many different system 4. Release the two blank keys when the screen on the types. To operate correctly, the comfort control must be 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. T
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION IMPORTANT The Installer Setup Menu (Table 4) shows all the available options. These options customize themselves as you make selections to the Installer Setup. Therefore, not all Installer Setup Selections are shown or are avail- able to change. Table 4. Installer Setup Menu. Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Not used. 1 thru 009
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Cycles per 0240 5 Heat Stage 1 cycles 1-12 1-12 available; typical settings: Not shown if system hour (cph) for per hour (cph) 11 cph used for steam or selection is heat 1st Stage gravity system. pump. Selection in Heat 33 cph used for 2-stage this stage chang
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Deadband 0310 2 thru 9 Heating and cooling 3 Heating and cooling setpoints Shown only if setpoints can be set can be set no closer than 3°F automatic no closer than chosen (1.5°C). changeover is value: selected. 22°F (1°C) The deadband is 33°F (2°C) restrict
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION 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 is (system starts recovery at Recovery activated (system programmed time) starts early so setpoint is reached by start of program period). Number of 0540 4 Four perio
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION Table 4. Installer Setup Menu. (Continued) Factory Setting Other Choices Installer Setup Select Number Option Description Options Description Comments Temperature 0680 2 Standard temperature 1, 3 1less aggressive Applies to recovery Control in control in heating. temperature control (could ramp and use of Heat cause temperature auxiliary heat during undershoot) recovery. 3more aggressive Choose 1 if getting
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION SYSTEM CHECKOUT Installer System Test CAUTION The Installer System Test mode is used to test the HVAC system(s). See Table 5. While in System Test mode, Equipment Damage Hazard. minimum off-time for compressors is bypassed. Minimum compressor off-time is bypassed during Installer System Test. The Installer Test is part of the Installer Setup options. Avoid cycling compressor quickly. Enter Installer Setup screen
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION ADVANCED FEATURES 3. Choose Outdoor Temperature Sensor for Outdoor or Indoor Temperature Sensor Control Option in Installer Setup Number 0340. For accuracy, the initial reading of the indoor and outdoor 4. Choose Compressor Lockout Temperature in temperature sensors require five minutes to stabilize. See Installer Setup Number 0350. the Sensor instructions for installation information. 5. Choose Auxiliary Lock
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION TROUBLESHOOTING (SEE TABLE 6) Table 6. Troubleshooting. Symptom Possible Cause Action Display does not come on. Comfort control is not being Check for 24 Vac between B and Rc. powered. Temperature settings do not The upper or lower temperature Check temperature setpoints. change. limits were reached. Check Installer Setup Numbers 0600 and 0610; modify as needed. The keypad is fully locked. Check Installer Setup Nu
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TCONT802AS32DA TOUCH SCREEN AND TCONT803AS32DA TOUCH SCREEN WITH DEHUMIDIFICATION ® U.S. Registered Trademark © 2006 American Standard Inc. American Standard Inc. All Rights Reserved Troup Highway Tyler, TX 75711-9010 Pub. No. 18-HD25D19-3 69-17903 M.S. Rev. 01-06
