Trane TCONT802AS32DA Touch Screen and …

1 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-Off-Cool- On-Auto-Circ System and Fan selection wire manual selectable Auto (Em. Heat vary based on system type for heat pumps).

2 System and Fan selection vary based on System type. Humidity sensor to control dehumidification . Selecting Location MERCURY NOTICE Install the comfort control about 5 ft. ( ) above the floor in an area with good air circulation at average If this control is replacing a control that contains mercury in a sealed tube, do not place your old temperature. See Fig. 1. control in the trash. Dispose of properly. Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old control. INSTALLATION YES. NO. NO. When Installing this NO 5 FEET. 1. Read these instructions carefully.

3 Failure to follow [ METERS]. the instructions can damage the product or cause a hazardous condition. 2. Installer must be a trained, experienced service technician. 3. After completing installation, use these instructions to check out the product operation. M19925. Fig. 1. Selecting comfort control location. Pat. No. 6595430, D509151, and Other Patents Pending 69-1790-3. 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.

4 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) areas such as an outside wall HEAT PUMP. behind the comfort control. HEAT/COOL. Y2 Y2 RC RC. Installing Wallplate F R R. X2 W1 O. W1 W2 Y Y. CAUTION S1 S1 G G. Electrical Hazard. S2 S2 B B. Can cause electrical shock or equipment damage. SCREW TERMINALS M22636. Disconnect power before wiring. The comfort control can be mounted horizontally on the Fig. 3. Selecting terminal identifications for wall or on a 4 in.

5 X 2 in. ( mm x mm) wiring box. system type. 1. Position and level the wallplate (for appearance only). 2. Use a pencil to mark the mounting holes. Table 2. Selecting Terminal Identifications for System Type. WALL. Wallplate Wiring WIRES THROUGH WALL. Terminal Diagram AND WIRE SLOT System Type Identifications Reference WALL ANCHORS (2). Standard Heat/Cool Heat/Cool Fig. 5, Fig. 6. Standard Multistage Heat/Cool Fig. 7, up to 2 Heat/2 Cool Fig. 8. Heat Pump with Heat Pump Fig. 9, MOUNTING. HOLES. Electric Auxiliary Fig. 10, (Backup) Heat Fig. 11. Heat Pump with Heat Pump Fig. 12, Fossil Fuel Auxiliary Fig. 13, MOUNTING (Dual Fuel) Heat Fig.

6 14, SCREWS (2). M19916. Fig. 15. Fig. 2. Mounting wallplate. NOTE: The factory default setting is configured for a 1 Heat/1 Cool System with a gas furnace. 3. Remove the wallplate from the wall and, if drywall, drill two 3/16-in. holes in the wall, as marked. For firmer material such as plaster, drill two 7/32-in. holes. Gently tap anchors (provided) into the drilled holes until flush with the wall. 4. Position the wallplate over the holes, pulling wires through the wiring opening. See Fig. 2. 5. Insert mounting screws into the holes and tighten. WIRING (FIG. 5-15). M19917. All wiring must comply with local electrical codes and ordinances.

7 Fig. 4. Inserting wires in terminal block. 1. Select set of terminal identifications (Table 2) that corresponds with system type (heat/cool or heat IMPORTANT. pump in Fig. 3). Use 18 gauge comfort control wire. 2. Loosen the screws for the appropriate system type selected; see Table 2. Insert wires in the terminal block under the loosened screw. See Fig. 4. Pub. No. 18-HD25D19-3. 69-1790 3 2. TCONT802AS32DA Touch Screen AND tcont803as32da Touch Screen with dehumidification . HEAT/COOL HEAT/COOL. RC Y2 RC. Y2 1 1. R R. W1 W1. W2 Y W2 Y. S1 G S1 G. S2 B S2 B. T. T 2. 2. AIR VARIABLE SPEED. R Y G W1 W2 W3 B/C R BK O YLO Y G W1 W2 B/C TWO-STAGE.

8 HANDLER. FURNACE/VARIABLE. SPEED AIR HANDLER. INDOOR INDOOR. OUTDOOR OUTDOOR. COOLING UNIT COOLING UNIT. Y ODT B SECTION Y1 Y2 B SECTION. (SINGLE STAGE) (TWO STAGE). TO POWER SUPPLY (3 PH TO POWER SUPPLY (3 PH. ONLY) ONLY). PER LOCAL CODES PER LOCAL CODES. 1 FACTORY INSTALLED JUMPER. 1 FACTORY INSTALLED JUMPER. OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE 2 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE. 2 ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE. FROM THE THERMOSTAT CABLE. M22637 FROM THE THERMOSTAT CABLE. M22640. Fig. 5. Typical hookup of single-stage heat and cool Fig.

9 7. Typical hookup of two-stage indoor and system with single transformer (1H/1C). two-stage cooling unit in a single transformer system (2H/2C or 2H/1C or 1H/2C). HEAT/COOL. HEAT/COOL. Y2 RC Y2 1 RC. R. R. W1. W1. W2 Y W2 Y. S1 G S1 G. S2 B S2 B. T T. 1 2. 3. OIL. R Y G T T W B/C FURNACE VARIABLE SPEED. R BK O YLO Y G W1 W2 B/C TWO STAGE. OIL BURNER PRIMARY FURNACE. INDOOR INDOOR. OUTDOOR OUTDOOR. COOLING UNIT 16 SEER. Y B SECTION COOLING UNIT. (SINGLE STAGE) Y2 Y1 B SECTION. (TWO STEP). TO POWER SUPPLY (3 PH (3 PH. ONLY) TO POWER SUPPLY. PER LOCAL CODES PER LOCAL CODES ONLY). 1 FACTORY INSTALLED JUMPER. 1 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR.

10 AVAILABLE. ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE 2 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE. FROM THE THERMOSTAT CABLE. ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE. M22638. FROM THE THERMOSTAT CABLE. 3 THE INSTALLER MUST JUMPER AT THE LVTB R TO O . M24231. Fig. 6. Typical hookup of single-stage heat and cool Fig. 8. Typical hookup of two-stage indoor and system with two transformers (1H/1C). two-step scroll cooling unit in a single transformer system (2H/2C or 2H/1C or 1H/2C). Pub. No. 18-HD25D19-3. 3 69-1790 3. TCONT802AS32DA Touch Screen AND tcont803as32da Touch Screen with dehumidification .