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Installation
Guide
TH3110D
Non-programmable Digital Thermostat
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Product Application This thermostat provides electronic control of 24 VAC single-stage heating and cool- ing systems, or 750 mV heating systems. System Types Power Type • Gas, oil, or electric heat with air Battery power conditioning Common wire Warm air, hot water, high-efficiency Common wire with battery backup furnaces, heat pumps, steam, gravi- ty System Settings Heat only Heat, Off, Cool Heat only with fan Cool only Fan Settings 750 mV heating systems Auto, On Must be in
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PRO TH3110D Non-programmable Digital Thermostat Table of contents I In ns st ta alllla at tiio on n A Ap pp pe en nd diic ce es s Pre-installation checklist ................2 Quick reference to controls..........10 Wallplate installation ......................3 Quick reference to display............10 Wiring..............................................4 Compressor protection ................10 Wiring diagrams ..............................5 In case of difficulty ......................11 Accesso
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Installation Guide 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 & supplies No. 2 Phillips screwdriver Small pocket screwdriver Drill Drill bit (3/16” for drywall, 7/32” for plaster) Hammer Pencil Electrical tape Level (optional) 2
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PRO TH3110D Non-programmable Digital Thermostat Wallplate installation Grasp top and bottom of wallplate Remove the wallplate from the ther- and pull to remove from thermostat. mostat as shown at left, then follow directions below for mounting. 1 Pull wires through wire hole. 2 Position wallplate on wall, level and mark hole positions with pencil. 3 Drill holes at marked positions as shown below, then tap in supplied wall anchors. 4 Place wallplate over anchors, insert and tighten mounting scre
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Installation Guide Wiring CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before wiring. Wiring Keep wires in this shaded area 1 Loosen screw terminals, insert wires into terminal block, then re- tighten screws. 2 Push excess wire back into the wall opening. Keep wires in shaded area as shown at left. Jumper 3 Plug the wall opening with non- flammable insulation to prevent drafts from affecting thermostat operation. Terminal Terminal Designations bloc
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PRO TH3110D Non-programmable Digital Thermostat Wiring diagrams 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 for changeover valve. 4 Use a small piece of wire (not supplied) to connect W and Y terminals. 5 Set fan operation switch to Heat Pump (see page 6) and configure for heat pump (see pg. 8). 6 Optional 24 VAC common connection. Typical 1H/1C system: 1 transformer
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Installation Guide Fan operation settings G Ga as s o or r O Oiill:: For gas or oil heating systems, leave the fan operation switch in this factory-set position (This setting is for systems that control the fan in a call for heat.) E Elle ec ct tr riic c o or r H He ea at t P Pu um mp p:: Change the switch to this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the
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PRO TH3110D Non-programmable Digital Thermostat Power options & mounting AC Power The thermostat can be powered by 24 VAC power, or by batteries. To wire the thermostat for AC power, connect the common side of the Connect common cooling transformer to the “C” terminal side of transformer as shown at left. to “C” terminal I Im mp po or rt ta an nt t:: Remove R/Rc jumper for 2-transformer systems only. (See wiring diagram on page 5.) Battery Power The thermostat can be powered by batteries alone
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Installation Guide Installer setup Follow the procedure below to configure the thermostat to match the installed heating/cooling system, and customize feature operation as desired. Press and hold both buttons Function Setting number Setup 0 1 To begin, press and holdthe and Press to change settings buttons until the display changes Press to advance to next function Press and hold to exit and save settings Setup Function Settings & Options 1 System type 0 Gas, oil or electric heat with air condit
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PRO TH3110D Non-programmable Digital Thermostat Installer system test Follow the procedure below to test the heating and cooling system. System test System status number 0 10 Test System switch 1 Set S SY YS STTEEM M switch to Cool. 2 Press to turn on cooling system, then check system status (see table, below). 3 Press to turn off cooling system. 4 Set S SY YS STTEEM M switch to Heat. 5 Press to turn on heating system, then check system status (see table, below). 6 Press to turn off heating syst
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Installation Guide Quick reference to controls Digital display screen Temperature buttons Press to adjust temperature settings System switch Cool: Thermostat controls only the cooling system. Heat: Thermostat controls only the heating system. Fan switch Off: Heating and cooling On: Fan runs continuously. systems are off. Auto: Fan runs only when heating or cooling system is on. Quick reference to display screen Current inside temperature Temperature setting Inside Set To ° ° Low batter
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PRO TH3110D Non-programmable Digital Thermostat In case of difficulty If you have difficulty with your thermostat, please try the suggestions below. Most problems can be corrected quickly and easily. Display is blank Check circuit breaker and reset if necessary. Make sure heating & cooling power switches are on. Make sure equipment door is securely closed. If battery powered, make sure fresh AA alkaline batteries are installed. Temperature Make sure heating and cooling temperatures are s
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Installation Guide 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 Electrical Ratings Heat: 40° to 90°F (4.5° to 32°C) Cool: 50° to 99°F (10° to 37°C) System Voltage (50/60Hz) Running Current Heating 20-30 Vac 0.02-1.0 A Operating Ambient Temperature 32° to 120°F (0° to 48.9°C) (Powerpile) 750 mV DC 100
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Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 http://yourhome.honeywell.com Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. ® U.S. Registered Trademark. © 2005 Honeywell International Inc. Patents pending. All rights reserved. 69-1846 06-2005
