White Rodgers 1E56N-444 Installation and Operation Instructions
Contents
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4. No extra wire should stick out from under the terminals Furnace Cycles Too Fast or Too Slow Narrow or wide temperature swing See Step 5 Adjusting the Anticipator The anticipation setting is the only adjustment that effects the heating cycle rate If an acceptable cycle rate is not achieved using the anticipator contact a local service person for additional suggestions The location of the thermostat size of the Heat Cool System and current draw can influence the cycle rate Cooling Cycles Too Fast or Too Slow narrow or wide temperature swing Poor thermostat location for sensing room temperature Cooling system over or undersized Excessive Current draw influencing thermostat The cycle rate for cooling can not be adjusted The location of the thermostat size of the Cool system and current draw can influence the cycle rate Contact a local service person for suggestions Thermostat Setting and Thermostat Thermometer Disagree Thermostat thermometer setting requires adjustment Thermostat setting lever requires calibration The thermometer can be adjusted by using a standard slotted screwdriver Turn the thermometer pointer screw located inside the front cover to change the setting For calibrating the setting lever contact a local heating and cooling service person Adjusting Thermometer Thermostat thermometer disagrees with other room thermometers The thermometer on the
5. Before removing wires from old thermostats switching subbase label each wire with the terminal designation it was removed from 1 Remove Old Thermostat A standard heat cool thermostat consists of three basic parts a The cover which may be either a snap on or hinge type b The base which is removed by loosening all captive screws c The switching subbase which is removed by unscrewing the mounting screws that hold it on the wall or adaptor plate Make a note here future reference and use in step 5 of the anticipator setting on the old thermostat for The heat anticipator pointer if adjustable will be set at one of a series of numbers representing the current rating of the primary control in your furnace The number will be one of the following 2 4 8 etc or 0 2 0 4 0 8 etc amp EMERSON www white rodgers com REMOVING OLD THERMOSTAT cont d If no heat anticipator indication is showing do not be concerned move on to the next step ATTENTION This product does not contain mercury However this product may replace a unit which contains mercury Do not open mercury cells If a cell becomes damaged do not touch any spilled mercury Wearing non absorbent gloves take up the spilled mercury and place into a container which can be sealed If a cell becomes damaged the unit should be discarded Mercury must not be discarded in household trash When the unit this product is replacing is to be discar
6. and routing wires so they do not short to adjacent terminals or rear of thermostat Personal injury and or property damage may occur TERMINAL CROSS REFERENCE CHART New Thermostat Other Manufacturers Terminal Designation Terminal Designation RH 4 RH M R5 R RC R R V G G G F G G w w w H 4 w Y Y Y C Y6 Y These are four wire single transformer systems Factory installed jumper wire between the RH and RC terminals must remain in place PART NO 37 6881B Replaces 37 6881A 0921 9 SET HEAT ANTICIPATOR Set anticipator to match the setting of your old thermostat you noted in Step 3 or the anticipator should be set to match the current rating stamped on your main heating control The heat anticipator is adjustable from 0 15 to 1 2 amps Adjust the anticipa tor by rotating the contact arm see fig 5 The anticipator setting is indicated by the numbers on the base that the pointer points to If you are unsure where to set the anticipator contact the heater manufacturer for a recommended setting Move the pointer counterclockwise to Rotate contact arm lengthen heating system cycles move to adjust heat anticipator clockwise to shorten heating cycles Adjustments should not be greater than 1 2 marking at a time For millivolt operation rotate contact arm to Millivolt Link Snap on Cover Carefully align the cover with the base and snap the cover onto the base Arrow points to the current rating of the pr
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8. thermostat is accurately calibrated at our factory but you can adjust it by using a standard slotted screwdriver Turn the thermometer pointer screw located inside the front cover to change the setting White Rodgers is a division of Emerson Electric Co The Emerson logo is a trademark and service mark of Emerson Electric Co HOMEOWNER HELP LINE 1 800 284 2925 White Rodgers www white rodgers com ey EMERSON ulo2 sJoDpouJ o1uMMMM oO 9u199 3 uosJeul3 ep omoes ep eojeuj eun eroueujo9 eoJeui N OS IH Wa eun s uosJaW ep odiofo 3 e SJoDpoM oO ue uosieur3 ep d UQISIAID eun se si Bpokti JIUAA LSA S66c v8c 008 I OlYWNSN 13 VHVd VANAV aa YANIT ejsnfe ja reouipouu ered eaupep euelqno e ep ouap on uuouu9 BP JOPEOIPU OJJIUJ0 JG O41 unujoo opeJnueJ JopejjuJojsep un opueziyn ojejsnfe epend oe eouqe ep uoisioeud uoo opejqieo u lA ojejsouue Ip on uuoguu9 D uglopliqeu e ep son uiguue soo uoo eprouioo ou ojejsouulej AP ojjeuguue 3 oJjeurouue ep esn y olu luueuju UoIo9eJo eo ep seuiejsis ue opezijeroedse e90 ooIu29 un uoo ojoejuoo ue seBuod lsn e ep eouejed UgioeJqi eo P IEIOIE exe aisen jo epou eed eejuejep euerqno e ep ouap opeolgn OSLO Ep eJeinboi ojejsouue ep eysnfe ep eouejed e7 Z on uuouu l uoo epiouioo Jopeoipul OJlIuJO 9 aI uwos opeJnue Jopejiulojsep un opuezinn esjejsnfe epend oueuipuue D ojejsouuej BP ojjeuiguuey je 1ejsnfe oue
9. Compressor Relay E Hot i l 24 VAC 120 VAC Neutral Figure 3 Typical wiring for two transformer heating cooling system Factory Installed Jumper Field Installed Jumper 7 Terminal energized in cooling Terminal energized in heating Figure 4 Typical wiring for single transformer single stage heat pump system Hot 120 VAC Neutral TRANSFORMER Figure 5 Typical wiring for single transformer heating system TRANSFORMER Figure 6 Typical wiring for single transformer cooling system 69 8 OD OW eto Hot P pala ee 24 VAC 120 VAC H Neutral TRANSFORMER Figure 7 Typical wiring diagram heat only 3 wire zone valve systems TROUBLESHOOTING Symptom Possible Cause Corrective Action No Heat No Cool No Fan common problems 1 Blown fuse or tripped circuit breaker 2 3 Furnace power switch to OFF Furnace blower compartment door or panel loose or not properly installed Replace fuse or reset breaker Turn switch to ON Replace door panel in proper position to engage safety interlock or door switch No Heat Pilot light not lit Broken or melted anticipator wire Loose connection to thermostat or system Thermostat or heating system requires replacement or service System Switch not set to Heat Re light pilot Excessive current
10. White y Rodgers Installation Instructions for Horizontal 1F56N 444 Snap Action Vertical 1E56N 444 Snap Action YOUR THERMOSTAT REPLACES System Models Standard Heating amp Cooling Systems 4 or 5 wires Standard Heat Only Systems Standard Central Air Conditioning Gas or Oil Heat Hydronic Hot Water Zone Heat 2 wires Electric Furnace Heat Pump No Aux or Emergency Heat All Models Heat Pump with Aux or Emergency Heat Baseboard Electric Heating or Line Voltage 120 or 240 Volt Millivolt Heat Only Systems Floor or Wall Furnaces Hydronic Hot Water Zone Heat 3 wires None All Models PREPARATIONS Assemble tools required power drill flat blade screwdriver wire cutter stripper level Failure to follow and read all instructions carefully before installing or operat ing this control could cause personal injury and or property damage 2 THERMOSTAT FEATURES TAN SYSTEM KEEP THIS AREA Hole CLEAR OF WIRES in Wall T Mounting Screw Mounting Screw Mounting Hole Mounting Hole Figure 1 Thermostat subbase and wallplate REMOVING OLD THERMOSTAT A CAUTION To prevent electrical shock and or equipment damage disconnect electrical pow er to the system at the main fuse or circuit breaker until installation is complete
11. ded place in a suitable container Refer to www white rodg ers com for location to send product containing mercury o MOUNTING AND WIRING A WARNING Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Do not short out terminals on gas valve or primary control to test Short or incorrect wiring will damage thermostat and could cause personal injury and or property damage Thermostat installation and allcomponents of the system shall conform to Class II circuits per the NEC code A Remove base from subbase Loosen the screws on the base and remove B Mount switching subbase Use the screws provided to mount the subbase or wallplate to wall see Fig 1 C Attach wires to appropriate terminals For two wire systems Heat Only or Cool Only Replace subbase with wall plate If you have a two wire Heat Only system attach one wire to R and one to wire W If you have a two wire Cool Only system attach one wire to R and one to wire to Y Tighten any unused terminals securely see Fig 5 and 6 f your system has more than two wires Use the cross reference chart to determine correct wire connections If you have a four wire heat cool system leave the factory installed jumper between RC and RH attached see Fig 2 If your sys tem has five wires remove the factory installed jumper between RC and RH see Fig 3 Electric heat or single stage heat pump s
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14. imary control Figure 5 Anticipator adjustment O NEW THERMOSTAT OPERATION Millivolt Link Thermostat on Subbase After power is turned on use the system switch to select either heating or cooling or to turn the heating cooling system off Use the fan switch to control fan operation When the fan switch is in the AUTO position the fan will cycle with the heating or cooling system the fan will not run if the system switch is in the OFF position and the fan switch is in the AUTO position When the fan switch is in the ON position the fan will run continuously regardless of system switch posi tion even if the system switch is set to OFF the fan will run if the fan switch is in the ON position Thermostat on wallplate For heat only move the temperature lever to the highest temperature For cool only move the temperature lever to the lowest temperature Q SPECIFICATIONS ELECTRICAL DATA Switch Rating 24 VAC 30 VAC max Heating 0 15 to 1 2 Amps Cooling 0 to 1 5 Amps Anticipator Rating HOANG c Adjustable from 0 15 to 1 2 Amps eroe irr ee R Fixed THERMAL DATA Temperature Range 50 F to 90 F 10 C to 32 C Operating Humidity Range 0 90 noncondensing Hot 120 VAC Neutral TRANSFORMER Compressor Relay Figure 2 Typical wiring for single transformer heating cooling system TRANSFORMER
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18. or dead short in system Have a qualified service person check the system before replacing thermostat Verify thermostat and system wires are securely attached Your furnace manufacturer or service person can describe how to test the heating system to verify it is operating correctly If the heating system is capable of operation and the no heat condition persists replace the thermostat Set System Switch to Heat and raise temp above room temp Intermittent Heat No Cool hv Furnace Lock Out Condition Loose connection to thermostat or system Thermostat or cooling system requires replacement or service System Switch not set to Cool Many furnaces have safety devices that shut the system down when a lock out condition occurs If the heat works intermittently contact the furnace manufacturer or local service person for assistance Verify thermostat and system wires are securely attached Your cooling system manufacturer or service person can describe how to test the cooling system to verify it is operating correctly If the cooling system is capable of operation and the no cooling condition persists replace the thermostat Set System Switch to Cool and lower temp below room temp Heat Cool or Fan Runs Constantly Possible short in wiring Possible short in thermostat Possible short in heat cool fan system Check each wire connection to the thermostat to verify it is neatly looped under the terminals
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21. ystems These thermostats are configured from the factory to operate a heat cool fossil fuel gas oil etc forced air system This is correct for any system that DOES NOT require the thermostat to energize the fan on a call for heat If your system is an electric heat or heat pump system that REQUIRES the thermostat to turn on the fan on a call for heat remove the yellow factory installed jumper wire from the Y terminal and connect it to the A terminal This will allow the thermostat to energize the fan immediately on a call for heat If you are unsure if the heating system requires the thermostat to control the fan contact a qualified heating and air conditioning service person For single stage heat pump applications no auxillary heat install a short jumper wire not included across terminals W and Y If the system has a reversing valve connection energized in Cooling attach it to O If the system has a reversing valve connection energized in Heating attach it to B see Fig 4 This thermostat will not provide multi stage heating or cooling D Mount Thermostat Base Gently push excess wire back into the wall opening and plug hole with a fire resistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation Mount the thermostat base to the sub base using the three captive screws on the thermostat base See Fig 1 Tighten the screws securely Proceed to Step 5 A CAUTION Take care when securing
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