Page 2 - CAUTION: ELECTRICAL HAZARD
Product Application This thermostat provides electronic control of 24 VAC single-stage heating and cool-ing systems, or 750 mV heating systems. System Types • Gas, oil, or electric heat with airconditioning • Warm air, hot water, high-efficiencyfurnaces, heat pumps, steam, gravi-ty • Heat only • Hea...
Page 3 - Do not install; Table of contents
PRO TH3110D Non-programmable Digital Thermostat 1 Install the thermostat about 5 feet (1.5m) above the floor in an areawith good air circulation at average temperature. Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind doors and in corners• Hot or col...
Page 4 - Pre-installation checklist
Installation Guide 2 Pre-installation checklist Package contents Check to make sure your package includes the following items: • PRO TH3110D digital thermostat (wallplate attached to back) • Operating manual • Wall anchors and mounting screws (2 each) • AA alkaline batteries (2) Required tools &...
Page 5 - Pull wires through wire hole.; Wall anchors; Wallplate installation
PRO TH3110D Non-programmable Digital Thermostat 3 Remove the wallplate from the ther-mostat as shown at left, then followdirections below for mounting. 1 Pull wires through wire hole. 2 Position wallplate on wall, level andmark hole positions with pencil. 3 Drill holes at marked positions asshown be...
Page 6 - NOTES; Wiring
Installation Guide 4 Wiring 1 Loosen screw terminals, insertwires into terminal block, then re-tighten screws. 2 Push excess wire back into thewall opening. Keep wires in shadedarea as shown at left. 3 Plug the wall opening with non-f lammable insulation to preventdrafts from affecting thermostatope...
Page 7 - Heat Pump; Wiring diagrams; Typical 1H/1C heat pump system
PRO TH3110D Non-programmable Digital Thermostat 5 Typical 1H/1C system: 1 transformer Typical 1H/1C system: 2 transformers 1 Power supply. Provide disconnect means and overload protection as required. 2 Factory-installed jumper. Remove for 2-transformer systems only. 3 Use either O or B terminals fo...
Page 8 - Set fan operation switch; Fan operation settings
Installation Guide 6 • G Ga ass o orr O Oiill:: For gas or oil heating systems, leave the fan operationswitch in this factory-set position(This setting is for systems thatcontrol the fan in a call for heat.) • E Elle ec cttrriic c o orr H He ea att P Pu um mp p:: Change the switch to this setting fo...
Page 9 - AC Power; IIm; Battery Power
PRO TH3110D Non-programmable Digital Thermostat 7 AC Power The thermostat can be powered by 24VAC power, or by batteries. To wire the thermostat for AC power,connect the common side of the cooling transformer to the “C” terminalas shown at left. IIm mp po orrtta an ntt:: Remove R/Rc jumper for 2-tra...
Page 10 - Setup Function; Installer setup; Installer system test; After completing the installer setup above, press the
1 0 Installation Guide 8 1 5 9 14 15 System type Heating cycle rate (CPH: cycles/hour) Compressorcycle rate (CPH) Temperature display Compressor protection 0 Gas, oil or electric heat with air conditioning 1 Heat pump (5 minute compressor off time in heating and cooling) 5 For gas or oil furnaces of...
Page 11 - Heating system; System Test; CAUTION: EQUIPMENT DAMAGE HAZARD; Follow the procedure below to test the heating and cooling system.
PRO TH3110D Non-programmable Digital Thermostat 9 10 0 Test 10 30 70 Heating system Cooling system Thermostatinformation (for reference only) 0 Heat and fan turn off. 1 Heat turns on. Fan also turns on immediately if Fan OperationSwitch is set to Electric Heat/Heat Pump (see page 6). 0 Compressor an...
Page 12 - Quick reference to display screen
Installation Guide 10 Inside Set To 75 75 Heat On Cool On ° ° Replace Batt Quick reference to display screen Current inside temperature Low battery warning Temperature setting System status On when “calling” forheating or cooling; flashes when waiting forcompressor restart Quick reference to control...
Page 13 - In case of difficulty; Display is blank
PRO TH3110D Non-programmable Digital Thermostat 11 In case of difficulty If you have difficulty with your thermostat, please try the suggestions below. Mostproblems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure heating & cooling...
Page 14 - Accessories; Please contact your distributor to order accessories.; Specifications; System
Installation Guide 12 Accessories Please contact your distributor to order accessories. Cover plate assembly ............................................Part Number 50002883-001(Used to cover marks left by old thermostats.) Specifications Temperature Ranges • Heat: 40° to 90°F (4.5° to 32°C) • Cool:...
Page 16 - Honeywell International Inc.; Automation and Control Solutions; Honeywell Limited-Honeywell Limitée
Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 h t t p : / / y o u r h o m e . h o n e y w e l l . c o m Automation and Control Solutions Printed in U.S.A. on recycledpaper containing at least 10%post-consumer paper fibers. ® U.S. Registered Trademark. © 2005 Honeywell...