Honeywell TH2110D manual

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Table of contents for the manual

  • Page 1

    Installation Guide TH3110D Non-programmable Digital Thermostat[...]

  • Page 2

    Product Application This thermostat provides electronic control of 24 V A C single-stage heating and cool- ing systems, or 750 mV heating systems. System T ypes • Gas, oil, or electric heat with air conditioning • W arm air , hot water , high-efficiency furnaces, heat pumps, steam, gravi- ty • Heat only • Heat only with f an • Cool only ?[...]

  • Page 3

    PRO TH3110D Non-programmable Digital Thermostat 1 Install the thermostat about 5 feet (1.5m) above the floor in an area with good air circulation at average temperatur e. Do not install in locations where the thermostat can be af fected by: • Drafts or dead spots behind doors and in corners • Hot or cold air from ducts • Sunlight or radiant h[...]

  • Page 4

    Installation Guide 2 Pre-installation checklist Package contents Check to make sure y our package includes the f ollowing items: • PR O TH3110D digital thermostat (wallplate attached to back) • Operating manual • W all anchors and mounting screws (2 eac h) • AA alkaline batteries (2) Required tools & supplies • No. 2 Phillips screwdri[...]

  • Page 5

    PRO TH3110D Non-programmable Digital Thermostat 3 Remove the w allplate from the ther- mostat as shown at left, then f ollow directions below f or mounting. 1 Pull wires through wire hole. 2 P osition 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[...]

  • Page 6

    Installation Guide 4 Wiring 1 Loosen screw terminals, insert wires into terminal block, then re- tighten screws. 2 Push e xcess wire back into the wall opening. K eep wires in shaded area as shown at left. 3 Plug the wall opening with non- f lamma ble insulation to pr event drafts from affecting thermostat operation. T erminal Designations W W Heat[...]

  • Page 7

    PRO TH3110D Non-programmable Digital Thermostat 5 T ypical 1H/1C system: 1 transformer T ypical 1H/1C system: 2 transformers 1 Power supply . Provide disconnect means and overload pr otection 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 w[...]

  • Page 8

    Installation Guide 6 • G G a a s s o o r r O O i i l l : : For gas or oil heating systems, leave the f an operation switc h in this factor y-set position (This setting is for systems that control the fan in a call f or heat.) • E E l l e e c c t t r r i i c c o o r r H H e e a a t t P P u u m m p p : : Change the switc h to this setting for hea[...]

  • Page 9

    PRO TH3110D Non-programmable Digital Thermostat 7 AC Power The thermostat can be powered by 24 V A C power , or by batter ies. T o wire the thermostat for A C power , connect the common side of the cooling transf or mer to the “C” terminal as shown at left. I I m m p p o o r r t t a a n n t t : : Remove R/Rc jumper f or 2-transf or mer systems [...]

  • Page 10

    1 0 Installation Guide 8 1 5 9 14 15 System type Heating cycle rate (CPH: cycles/hour) Compressor cycle rate (CPH) T emperature display Compressor protection 0 Gas, oil or electric heat with air conditioning 1 Heat pump (5 minute compressor of f time in heating and cooling) 5 For gas or oil furnaces of less than 90% efficiency 1 For steam or gravit[...]

  • Page 11

    PRO TH3110D Non-programmable Digital Thermostat 9 10 0 T est 10 30 70 Heating system Cooling system Thermostat information (for refer ence only) 0 Heat and fan turn off. 1 Heat turns on. Fan also turns on immediately if Fan Operation Switch is set to Electric Heat/Heat Pump (see page 6). 0 Compressor and fan turn off. 1 Compressor and fan turn on. [...]

  • Page 12

    Installation Guide 10 Inside Set T o 75 75 Heat On Cool On ° ° Replace Batt Quick refer ence to display screen Current inside temperatur e Low battery warning T emperature setting System status On when “calling” for heating or cooling; flashes when waiting for compressor r estart Quick refer ence to controls Digital display screen T emperatur[...]

  • Page 13

    PRO TH3110D Non-programmable Digital Thermostat 11 In case of difficulty If you hav e dif ficulty with your thermostat, please tr y the sugg estions below . Most problems can be corrected quickl y and easily . Display is blank • Check circuit br eaker and reset if necessary . • Make sure heating & cooling power switches ar e on. • Make su[...]

  • Page 14

    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 T emperature Ranges • Heat: 40° to 90°F (4.5° to 32°C) • Cool: 50° to 99°F (10° to 37°C) Operating[...]

  • Page 15

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  • Page 16

    Honeywell International Inc. 1985 Douglas Drive North Golden V alley , MN 55422 http://yourhome.honeywell.com Automation and Control Solutions Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. ® U.S. Registered T rademark. © 2005 Honeywell International Inc. Patents pending. All rights reserved. 69-1846 • 0[...]