White Rodgers 1E30N-910 Thermostat User Manual
Contents
1. e Millivolt systems e Multi stage applications Probe for obstructions in partition before drilling 1 2 hole in wall at selected location Take up quarter round and drill a small guide hole for sighting see fig 1 From basement drill hole in partition floor next to guide hole In houses without basements drill Y2 hole through ceiling and into partition from above see fig 1 Through this hole drop a light chain or 6 chain attached to a strong cord Snag cord in basement with hooked wire In houses without basements drop cord through hole in ceiling and down partitioning snag cord at the thermostat location Attach thermostat wires to cord and pull thermostat wires through hole in wall so that 6 of wire protrudes 1 2 hole for thermostat wire Stout cord with 6 chain attached Approximately Baseboard 5 feet from floor strip moulding 1 4 guide hole or sighting 3 4 hole in floor of partition Hooked wire for snagging chain Figure 1 Routing thermostat wires ATTACH SUBBASE TO WALL To prevent electrical shock and or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete 1 Disconnect electrical power at main fuse or circuit breaker 2 Pull wires through opening near center of subbase and connect wires beneath terminal screws see figs 2 through 6 for typical wiring for each applicatio2. OF WIRES Factory installed Red Jumper Wire Factory installed Yellow Jumper Wire Terminal energized in cooling Terminal energized in heating THERMOSTAT WIRING Field installed Jumper Wire SYSTEM Figure 6 Typical wiring for single transformer single stage heat pump system Cover Thermostat Figure 7 Attach thermostat to subbase OPERATION amp This thermostat is easy to operate Fig 8 shows how the heating cooling system and fan operate when the switches are in various positions 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 posi tion When the fan switch is in the ON position the fan will run continuously regardless of system switch position even if the system switch is set to OFF the fan will run if the fan switch is in the ON position E Shows switch position SYSTEM COOL OFF HEAT MAINTENANCE OPERATION No heating no cooling no fan No heating no cooling fan runs continuously Cooling system cycles from thermostat fan runs continuously Cooling system and fan cycle from thermostat Heating system cycles from thermostat fan cycles from fan control on furnace Hea
3. partitioning wall not on an outside wall 3 Never expose thermostat to direct light from lamps sun fireplaces or any temperature radiating equip ment 4 Avoid locations close to windows adjoining outside walls or doors that lead outside 5 Avoid locations close to air registers or in the direct path of air from them 6 Make sure there are no pipes or duct work in that part of the wall chosen for the thermostat location 7 Never locate thermostat in a room that is warmer or cooler than the rest of the home such as the kitchen 8 Avoid locations with poor air circulation such as behind doors or in alcoves 9 The living or dining room is normally a good location provided there is no cooking range or refrigerator on opposite side of wall ROUTE WIRES TO LOCATION All wiring must conform with local and national electrical codes and ordinances 1 Ifan old thermostat being replaced is in a satisfactory location and the wiring appears to be in good condi tion use existing wiring If in doubt re wire 2 If anew location is chosen or if this is a new installa tion thermostat wiring must first be run to the location selected APPLICATIONS The 1F56W 911 is designed for use with e Standard heating and cooling systems e Electric heating and cooling systems e Single stage heat pump systems e Two transformer systems e Electronic air cleaners e Humidifiers Zone dampers This thermostat CANNOT BE USED with
4. WHITE RODGERS 1F56W 911 Low Voltage Heating Cooling Thermostat INSTALLATION INSTRUCTIONS Operator Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE This low voltage thermostat is designed to provide conve nient control of the heating cooling system To provide greater room comfort the sensitive spiral bimetal is com bined with an adjustable heating anticipator and a fixed cooling anticipator to provide maximum comfort If in doubt about whether your wiring is millivolt line or low voltage have it inspected by a qualified heating and air conditioning contractor electrician or someone familiar with basic electricity and wiring Do not exceed the specification ratings All wiring must conform to local and national electrical codes and ordinances CONTENTS Description Precautions Specifications Installation Select Thermostat Location Route Wires to Location Attach Subbase to Wall Special System Configurations Electric Heat Furnaces Single Trans former Systems Only Two Transformer Systems Heat Pump Applications Special Application Terminals Attach Thermostat to Subbase Operation amp Maintenance Adjusting Heat Anticipator Calibrating Thermostat ME WHITE RODGERS DIVISION ps EMERSON ELECTRIC CO 9797 REAVIS ROAD eMienaun ST LOUIS MISSOURI 63123 5398 Pr
5. a short jumper wire across terminals W and Y If the old thermostat has a terminal that is continuously energized disconnect the wire from the old thermostat s terminal and connect it either to the 1 B terminal if the reversing valve is energized on a call for heat or to the 2 O terminal if the reversing valve is energized on a call for cool If the system heats on a call for cool or vice versa this wire has been connected to the wrong terminal RH and RC must be jumpered for single transformer heat pump systems Special Application Terminals The B and O terminals can provide switching for special functions other than heat pump operation When the system switch is in the HEAT position the B terminal is energized When the system switch is in the COOL position the O terminal is energized ATTACH THERMOSTAT TO SUBBASE 1 Remove cover from thermostat base by gripping the base in one hand Use the other hand to pull gently at the top or bottom of the cover 2 Carefully remove the shipping protective packing from the switch 3 Attach thermostat base to subbase being sure that all captive screws are tightened snugly since they serve as electrical connections between thermostat and subbase see fig 7 4 Snap cover on thermostat and set switches and temperature lever to desired set point see OPERA TION section 5 Turn on power to the system KEEP THIS AREA CLEAR OF WIRES Figure 2 Thermos
6. alibrating thermostat If you need further information about this product write to us at WHITE RODGERS DIVISION Emerson Electric Co 9797 Reavis Road St Louis MO 63123 5398 Attn Technical Service Department 1F56W 911
7. inted in U S A DESCRIPTION PRECAUTIONS This control is a precision instrument and should be handled carefully Rough handling or distorting compo nents could cause the control to malfunction To prevent electrical shock and or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete Do not short out terminals on gas valve or pri mary control to test Short or incorrect wiring will burn out heat anticipator and could cause per sonal injury and or property damage A WARNING Do not use on circuits exceeding 30 volts Higher voltage will damage control and could cause shock or fire hazard Thermostat installation and all components of the system shall conform to Class II circuits per the NEC code PART NO 37 6199B Replaces 37 6199A 0105 SPECIFICATIONS ELECTRICAL DATA Switch Rating 24 VAC 30 VAC max Heating 0 15 to 1 2 Amps Cooling 0 to 1 5 Amps Switch Action SPST Sealed mercury switch Anticipator Rating Heating Adjustable from 0 15 to 1 2 Amps Cooling Fixed 24 VAC THERMAL DATA Temperature Range 50 F to 90 F 10 C to 32 C Differential 1 F INSTALLATION SELECT THERMOSTAT LOCATION Proper location insures that the thermostat will provide a comfortable home temperature Observe the following general rules when selecting a location 1 Locate thermostat about 5 ft above the floor 2 Install thermostat on a
8. l recalibration is complete 1 The anticipator s heat may adversely affect thermo stat recalibration To prevent this disconnect electri cal power to the thermostat at the furnace main fuse or breaker box 2 Move temperature adjustment lever to a setting about 5 above room temperature Remove thermostat cover Slip 42 wrench onto hex nut beneath bimetal While holding temperature ad justment lever stationary turn hex nut clockwise until mercury shifts to the right end of the tube see fig 10 Move temperature adjustment lever to lowest setting Replace thermostat cover Wait 10 minutes for bi metal temperature to stabilize Do not stand near the thermostat during this period as your breath and body heat will affect bimetal temperature Move temperature adjustment lever to correspond to actual room temperature Then remove thermostat cover Slip 2 wrench onto hex nut While holding tempera ture adjustmentlever stationary turn hex nut counter clockwise until mercury just barely shifts to the left end of the tube see fig 10 Replace thermostat cover and set temperature ad justment lever to desired temperature Turn on elec trical power to system Move this lever to adjust heat anticipator Arrow points to the matched current rating of the primary control Figure 9 Anticipator adjustment Temperature adjustment Bimetal lever Ra 732 Calibration wrench Figure 10 C
9. n Also refer to subsections below for special system configu rations 3 Push excess wiring into wall and plug hole with fire resistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation 4 Position subbase over hole in wall and mark mounting hole locations on wall 5 Drill mounting holes 6 Fasten subbase loosely to wall as shown using two mounting screws Place a level against bottom of subbase adjust until level and then tighten mounting screws to secure subbase If holes in wall are too large and do not allow you to tighten subbase snugly use plastic expansion plugs to secure subbase SPECIAL SYSTEM CONFIGURATIONS Electric Heat Furnaces Single Transformer Systems Only The subbase as shipped may not operate the fan cor rectly If both the heating and cooling system must oper ate the fan relay remove the yellow factory installed jumper wire from the Y terminal and connect it to the A terminal The fan should now cycle when the thermostat calls for either heat or cool Two Transformer Systems If two transformers are used they MUST be in phase Failure to do so may result in personal injury and or property damage Wire color DOES NOT indicate polarity Polarity is ob tained from an oscilloscope or voltmeter Heat Pump Applications This subbase WILL NOT provide multi stage heating or cooling operation For single stage heat pump applica tions install
10. tat subbase Hole in wall Mounting screw Mounting screw Take care when securing and routing wires so These typical wiring diagrams show only the terminal they do not short to adjacent terminals or rear of identification and wiring hookup Always refer to wiring thermostat Personal injury and or property dam instructions provided by equipment manufacturer for age may occur system hookup operation Fixed Cooling Anticipator Adjustable Heating Anticipator THERMOSTAT SUBBASE System Switch Moveable Terminal A is not tor field wiring See SYSTEM Yellow Jumper Factory installed Jumper SPECIAL SYSTEM CONFIGURATIONS section for proper use of terminal A Figure 3 Typical wiring diagram see figs 4 5 and 6 for typical system thermostat wiring KEEP THIS AREA CLEAR OF WIRES Factory installed Red Jumper Wire THERMOSTAT WIRING Factory installed Yellow Jumper Wire SYSTEM 120 VAC i haa Terminal energized Terminal energized TRANSFORMER in cooling in heating Figure 4 Typical wiring for single transformer heating cooling system KEEP THIS AREA CLEAR OF WIRES Factory installed Yellow Jumper Wire THERMOSTAT WIRING NOTE Remove factory installed jumper between RC and RH terminals for this application Terminal energized Terminal energized in cooling in heating Figure 5 Typical wiring for two transformer heating cooling system 4 KEEP THIS AREA CLEAR
11. ting system cycles from thermostat fan runs continuously Figure 8 Subbase switching and thermostat system operation ADJUSTING HEAT ANTICIPATOR The adjustable heat anticipator WILL BURN OUT if 25 VAC is applied directly to the thermostat by shorting out the primary control during testing This may cause personal injury and or property damage This thermostat is equipped with an adjustable heat anticipator and was preset at the factory to provide satisfactory operation of the heating system under normal conditions lf additional adjustments are necessary they may be made as follows see fig 9 1 Remove thermostat cover 2 If heat cycle is too long set heat anticipator to a slightly lower dial setting division 3 If heat cycle is too short set heat anticipator to a slightly higher dial setting 2 division 4 Replace thermostat cover CALIBRATING THERMOSTAT This thermostat has been carefully adjusted at the factory and should not require recalibration Due to environmental conditions during normal operation there may be a few degrees of difference between the indicator setting of the thermostat and actual room tem perature If the disagreement is appreciable however first make sure that the thermostat is properly located and leveled Then if recalibration still seems necessary pro ceed as follows To prevent electrical shock and or equipment damage disconnect electrical power to the sys tem unti
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