White Rodgers 1E56W-444 user manual

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1E56W-444
WHITE-RODGERS 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.
DESCRIPTION
This low voltage thermostat is designed to provide conve-
nient control of the heating/cooling system.

Summary of the content on the page No. 2

SPECIFICATIONS ELECTRICAL DATA APPLICATIONS The 1E56W-444 is designed for use with Switch Rating: 24 VAC (30 VAC max.) • Standard heating and cooling systems Heating - 0.15 to 1.2 Amps • Electric heating and cooling systems Cooling - 0 to 1.5 Amps • Single stage heat pump systems Switch Action: SPST - Sealed mercury switch • Two-transformer systems Anticipator Rating: • Electronic air cleaners Heating - Adjustable from 0.15 to 1.2 Amps • Humidifiers Cooling - Fixed 24 VAC • Zone dampers THERMAL

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GRC B O W RH A Y energized, disconnect the wire from the old thermostat's ATTACH SUBBASE TO WALL 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) CAUTION ! O terminal, if the reversing valve is energized on a call for To prevent electrical shock and/or equipment cool. If the system heats on a call for cool, or vice versa, damage, disconnect electric power to system at this wire has been connected to the wrong terminal. ma

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HEAT OFF COOL HEAT CAUTION NOTE ! 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 Fan Captive Switch Screws System Switch ON OFF AU

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G RC B O W RH A Y 70 80 60 90 50 50 60 70 80 90 WHITE-RODGERS A U T F O A N O N C O O L S O Y F S F T E H M E A T KEEP THIS GRC AREA CLEAR OF WIRES! Factory-installed B Red Jumper Wire O THERMOSTAT WIRING W Factory-installed Field-installed Yellow Jumper Wire RH A Y Jumper Wire Factory-Installed Jumper Field-Installed Jumper RC G RH O W Y B A TRANSFORMER Fan Compressor * * * Hot Relay Relay 120 VAC 24 VAC SYSTEM Neutral Terminal energized Terminal energized * * * in cooling in heating Figure 6.

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S E L C Y C R E 7 3. Remove thermostat cover. Slip ⁄32” wrench onto hex ADJUSTING HEAT ANTICIPATOR nut beneath bimetal. While holding temperature ad- justment lever stationary, turn hex nut clockwise until CAUTION ! mercury shifts to the right end of the tube (see fig. 10). The adjustable heat anticipator WILL BURN OUT 4. Move temperature adjustment lever to lowest setting. if 25 VAC is applied directly to the thermostat by 5. Replace thermostat cover. Wait 10 minutes for bi- shorting out the pr