Honeywell RTH4300B User Manual

RTH4300B Thermostat Thermostat OFF POWER at the heating cooling system or the fuse circuit breaker panel you begin NOTICE Do not place your old thermostat in the trash if it contains mercury a sealed tube Contact your local waste management authority for instructions recycling and proper disposal assistance with this product please visit http yourhome honeywell com call Honeywell Customer Care toll free at 1 800 468 1502 Help and save these instructions U S Registered Trademark Patents pending 2006 Honeywell International Inc All rights reserved Programmable Thermostat of contents started tips 2 checklist 3 thermostat removal old thermostat 5 and label wires 7 thermostat installation mounting 10 connections 12 installation 14 fan operation switch 15 mounting 16 setup to change settings 17 system type 18 heating cycle rate 19 temperature display 20 case of difficulty 21 assistance 23 23 limited warranty 24 Guide your new thermostat is easy even if you never done it before new thermostat has been designed for fast easy installation Just follow the step by step instructions in the following pages in three simple steps Label wires and remove your old thermostat see pages 5 8 Install and wire your new thermostat see pages 9 16 Set your new thermostat to match your heating cooling system pages 17 20 tips Have everything you need ready to go before you begin see pages 3 4 Do not use wire color as a guide Use wire labels instead see page 8 your new thermostat checklist to make sure your package includes the following items Programmable Thermostat thermostat attached to back manual anchors mounting 2 labels Guide your new thermostat checklist 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 Two fresh AA alkaline batteries Programmable Thermostat your new thermostat your old thermostat Turn off power at heating cooling system or fuse circuit breaker panel Remove cover and thermostat but leave wallplate with wires attached wallplate in place there a sealed tube containing mercury so see inside front cover of this manual proper disposal instructions thermostat Guide your new thermostat you purchase right thermostat Count wires to check the number of wires coming out of the wall and attached to terminals in your thermostat If any of them are attached to a terminal marked or do not that wire in your total the total not counting C or C1 is 5 wires or less proceed to the next page If you 6 or more wires your new thermostat may not be compatible with your system installation and call 1 800 468 1502 for advice you have 6 or more wires If so stop now may have purchased the wrong replacement Programmable Thermostat your new thermostat wires you will not use any wires are not attached to terminals in your old thermostat do not connect them your new thermostat a wire is attached to a terminal marked or disconnect it You will not it to your new thermostat the bare metal ends of each unused wire with electrical tape so it cannot touch short out other wires not use unconnected wires not use C or C1 wire Guide your new thermostat wires and remove old wallplate a screwdriver to disconnect wires one by one As you disconnect each wire it with the label matching the letter on your old thermostat Adhesive labels are in your thermostat package the old wallplate only after all wires are labeled Be careful not to let loose fall into the wall opening supplied labels securely around each wire not let wires fall into wall opening WIRE COLORS Use only letter designations identify wire types Programmable Thermostat your new thermostat wallplate and install quick reference card at bottom to remove from wallplate quick reference card after wallplate mounted see mounting instructions on 11 HERE Guide your new thermostat wallplate mounting position Pull wires through Level wallplate if desired level across tabs Mark positions of screw holes Programmable Thermostat your new thermostat wallplate Drill holes at pencil marked locations holes for drywall holes for plaster Use hammer to tap into holes until with wall Place wallplate over and insert screws level if desired tighten screws metal jumper if you both R and Rc wires Guide your new thermostat wires typical installation Match each labeled wire with letter on terminal Use a screwdriver to screw terminals wires then tighten Push any excess wire back the wall opening don match labels do not match letters on see next page your new thermostat wires less common wire designations Programmable Thermostat labels do not match letters on the thermo check the chart at right and connect to as shown here see notes below wires will be connected to both and Rc terminals remove metal see page 12 not use C X or B Wrap bare of wire with electrical tape not connect both O and B you have a heat pump Connect wire to O Wrap B wire with tape and do not use Guide your new thermostat batteries two fresh AA alkaline in back of thermostat installation batteries can changed without removing thermostat from the wall Operating Manual for more of thermostat Programmable Thermostat your new thermostat fan operation switch the switch to the proper setting For gas or oil heating systems leave fan operation switch in this factory set for systems that control the fan in call for heat Change the switch to this setting for heat or electric heat systems This setting for systems that allow the thermostat to the fan in a call for heat if a fan wire connected to the G terminal Guide your new thermostat thermostat and restore electrical power Align the 4 tabs on the wallplate corresponding slots on the of the thermostat then push until the thermostat snaps place Restore electrical power at the system or at the panel If wires interfere when you to mount the thermostat excess wire back into the opening your new thermostat setup set thermostat to match your system you must set the thermostat to match the heating cooling system in your home and hold the s and t buttons to enter system setup Programmable Thermostat begin press and hold the s and