TH5110D Non-programmable Thermostat - Honeywell

1 TH5110D Non-programmable Thermostat INSTALLATION INSTRUCTIONS. APPLICATION. cooling systems or 750 mV heating systems. See Table 1. The TH5110D Non-programmable Thermostat provides for a description. electronic control of 24 Vac, single-stage heating and Table 1. TH5110D Thermostat description. Feature Description Powering Methods Battery only Common wire only Common wire with battery backup System Types (Up to 1 Heat, 1 Cool) Gas, oil or electric heat with air conditioning Warm air, hot water, high efficiency furnaces, heat pumps, steam and gravity Heat only includes power to open and power to close zone valves ( series 20) and normally-open zone valves Heat only with fan Cool only 750 mV heating systems Changeover manual or auto changeover selectable System Setting Heat-Off-Cool-Auto Fan Setting Auto-On MERCURY NOTICE. If this control is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash.

2 Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old Thermostat . Registered Trademark Copyright 2004 Honeywell International Inc. All Rights Reserved 69-1712 1. TH5110D Non-programmable Thermostat . INSTALLATION. When installing this product Separate Wallplate from Thermostat 1. Read these instructions carefully. Failure to follow 1. Separate the wallplate from the Thermostat . See these instructions can damage the product or Fig. 2. cause a hazardous condition. 2. Check the ratings given in the instructions and on Thermostat . the product to make sure the product is suitable for your application. WALLPLATE. 3. Installer must be a trained, experienced service WIRE HOLE. technician. 4. After completing installation, use these instructions to check out the product operation. CAUTION. Electrical Hazard.

3 Can cause electrical shock or equipment damage. Disconnect power before beginning installation. M22042. Select Thermostat Location Fig. 2. Separate wallplate from Thermostat . Select a location for the Thermostat about 5ft ( ). above the floor in an area with good air circulation at average temperature. See Fig. 1. Install Wallplate (See Fig. 3.). Mount the Thermostat horizontally on the wall: 1. Pull the wires through the wire hole on the wallplate. 2. Position the wallplate on the wall with the arrow pointing up. Level the wallplate for appearance only. 3. Use a pencil to mark the mounting holes. YES. NO. 4. Remove the wallplate from the wall and drill two 3/16-in. holes in the wall (if drywall) as marked. NO For firmer material such as plaster, drill two 7/32-in. holes. Tap the wall anchors (provided) into the NO 5 FEET drilled holes until flush with the wall.

4 [ METERS]. 5. Pull the wires through the wire hole on the wallplate and position the wallplate over the wall anchors. 6. Insert the mounting screws into the wall anchors and tighten. M22085 DRILLED HOLES (2). WALL. ANCHORS (2). Fig. 1. Select Thermostat location. Do not install the Thermostat where it can be affected by: Drafts or dead spots behind doors and in corners. Rc Hot or cold air from ducts. R. Y. Radiant heat from sun or appliances. (O/B) W. C. Concealed pipes and chimneys. G. Unheated (uncooled) areas such as an outside wall WALLPLATE. behind the Thermostat . MOUNTING. SCREWS (2) M22140. Fig. 3. Install wallplate. 69-1712 1 2. TH5110D Non-programmable Thermostat . WIRING. All wiring must comply with local electrical codes and 2. Push excess wire back into the wall opening and ordinances. Refer to Table 2 for descriptions of terminal restrict wires to the shaded area.

5 See Fig. 5. designations. See Fig. 6-13 for wiring diagrams for specific equipment applications. WALLPLATE WALL OPENING. CAUTION. Electrical Hazard. Can cause electrical shock or equipment Rc damage. R. Disconnect power before wiring. Y. C. IMPORTANT (O/B) W. Use 18-22 gauge Thermostat wire. Shielded G. cable is not required. 1. Loosen the screw terminals that are used for the application. Insert the wires into the terminal block WIRE SHADED AREA. and tighten each screw terminal. See Fig. 4. M22142. WIRES Fig. 5. Restrict wires to shaded area of wire hole. WALLPLATE. TERMINAL BLOCK RC. 3. Plug the wall opening with nonflammable insulation R. Y. SCREW TERMINALS. to prevent drafts from affecting the Thermostat . W/O/B. G. LETTER. DESIGNATIONS. RC. R. Y. C. O/B W. G. M22141. Fig. 4. Insert wires into terminal block. Table 2. Terminal designation descriptions.

6 Terminal Designation Description Rc (see Note 1) Power for cooling connect to secondary side of cooling system transformer R (see Note 1) Power for heating connect to secondary side of heating system transformer Y Compressor contactor C (see Note 2) Common wire from secondary side of cooling system transformer O/B W (see Note 3) Heat relay or changeover valve terminal for heat pumps G Fan relay NOTES: 1. When used in a single-transformer system, leave metal jumper in place between Rc and R. If used on a two-transformer system, remove metal jumper between Rc and R. 2. Common wire is optional when Thermostat is used with batteries. 3. If Thermostat is configured for a heat pump in the Installer Setup, configure changeover valve for cool (O- factory setting) or heat (B). 3 69-1712 1. TH5110D Non-programmable Thermostat . WIRING DIAGRAMS. Thermostat WIRING TERMINALS.

7 Thermostat WIRING TERMINALS. Rc Rc R R 2. 2. Y Y. C C 3. 3. O/B W O/B W. 4 G. G. HEAT CHANGEOVER. RELAY VALVE. FAN COMPRESSOR FAN COMPRESSOR. RELAY CONTACTOR R RELAY CONTACTOR R L1. L1. (HOT) (HOT). C C. L2 L2. 1 1. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND. PROTECTION AS REQUIRED. OVERLOAD PROTECTION AS REQUIRED. 2 factory INSTALLED JUMPER. 2 factory INSTALLED JUMPER. 3 OPTIONAL 24 VAC COMMON CONNECTION. M22068 3 OPTIONAL 24 VAC COMMON CONNECTION. 4 CONFIGURE SYSTEM TYPE TO HEAT PUMP AND CHANGEOVER. VALVE TO EITHER O OR B IN THE INSTALLER SETUP. M22070. Fig. 6. Typical hookup of conventional 1H/1C system with one transformer. Fig. 8. Typical hookup of 1H/1C heat pump. Thermostat WIRING TERMINALS. Thermostat WIRING TERMINALS. Rc 2. R. 2 RC L1. Rc Y. (HOT). R C C. L2 3. Y 1 O/B W. C G. O/B W 3 COMPRESSOR.

8 G CONTACTOR HEAT. RELAY. FAN. RELAY. R L1. (HOT). C. HEAT R L1 L2. RELAY 1. (HOT). C. L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND. 1 OVERLOAD PROTECTION AS REQUIRED. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD 2 factory INSTALLED JUMPER. PROTECTION AS REQUIRED. 2 3 OPTIONAL 24 VAC COMMON CONNECTION. M22071. REMOVE factory INSTALLED JUMPER. 3 OPTIONAL 24 VAC COMMON CONNECTION. M22069. Fig. 9. Typical hookup of heat only system. Fig. 7. Typical hookup of conventional 1H/1C system with two transformers. 69-1712 1 4. TH5110D Non-programmable Thermostat . Thermostat WIRING TERMINALS. 2. Thermostat WIRING TERMINALS Rc R. Rc Y. 2. R C 3. Y O/B W. C 3 G. O/B W. G COMPRESSOR. CONTACTOR. HEAT. RELAY FAN. RELAY R L1. FAN (HOT). RELAY R C. L1 L2. (HOT) 1. C. L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND. 1. OVERLOAD PROTECTION AS REQUIRED. 1 POWER SUPPLY.

9 PROVIDE DISCONNECT MEANS AND 2 factory INSTALLED JUMPER. OVERLOAD PROTECTION AS REQUIRED. 2 factory INSTALLED JUMPER. 3 OPTIONAL 24 VAC COMMON CONNECTION. M22074. 3 OPTIONAL 24 VAC COMMON CONNECTION. M22072. Fig. 12. Typical hookup of cool only system. Fig. 10. Typical hookup of heat only system with fan. Thermostat WIRING TERMINALS Thermostat WIRING TERMINALS. 2 Rc Rc R 2. R. Y. Y. 4 C 3. 4 C 3 O/B W. O/B W. G. G. B W R POWER TO OPEN. AND POWER TO NORMALLY. CLOSE OPEN. TR TR motor OR VALVE 1 ZONE VALVE R. ( series 20) L1. R L1 (HOT). C. (HOT) L2. C 1. L2. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. OVERLOAD PROTECTION AS REQUIRED. 2 factory INSTALLED JUMPER. 2 factory INSTALLED JUMPER. 3 OPTIONAL 24 VAC COMMON CONNECTION. 3 OPTIONAL 24 VAC COMMON CONNECTION. 4 CONFIGURE SYSTEM TYPE TO HEAT ONLY IN THE INSTALLER SETUP.

10 4 CONFIGURE SYSTEM TYPE TO HEAT ONLY IN THE INSTALLER SETUP. M22075. M22073. Fig. 11. Typical hookup of heat only series 20 Fig. 13. Typical hookup of a heat only system with a system. normally open zone valve. 5 69-1712 1. TH5110D Non-programmable Thermostat . POWER THE Thermostat . You can choose from three methods to power the Thermostat : Mount Thermostat to Wallplate Batteries only (AAA alkaline). 1. Align the four tabs on the wallplate with the four 24 Vac common wire only. slots on the back of the Thermostat . Push the 24 Vac common wire with battery backup (AAA Thermostat straight onto the wallplate until it snaps alkaline). into place. See Fig 15. NOTE: Battery backup prevents blank displays during power interruptions. WALLPLATE. TABS. Wiring 24 Vac Common Single-Transformer System Connect the common side of the transformer to the C screw terminal of the Rc R SLOTS ON.