White Rodgers 21D83M-843 White-Rodgers is a business of Emerson Electric Co

Models: 21D83M-843

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Contents

INSTALLATION INSTRUCTIONS PRECAUTIONSRoute and secure wiring away from flame SHOCK HAZARD Disconnect electric power before servicingSPECIFICATIONS OPERATING TEMPERATURE RANGETIMING SPECIFICATIONS ELECTRICAL RATINGS @ 77F 25CINSTALLATION PROCEDURE MOUNTING PANELREPLACING 10M9301, 12L6901, 32M8801 50A65-120, 50A65-121 or 56L8401 Arrow on front of panelINSTALLATION PROCEDUREB. When replacing original 63K8901 board in 4. A. When replacing original 63K8901 boardOPTION SWITCHES OPERATIONREPLACING HEAT MODESYSTEM LOCKOUT AND DIAGNOSTIC FEATURES SYSTEM LOCKOUT FEATURESDIAGNOSTIC FEATURES SYSTEM LOCKOUT, AND DIAGNOSTIC FEATURESDIAGNOSTIC TABLE Error/ConditionComments/Troubleshooting DS 1 RedWhite-Rodgers is a business of Emerson Electric Co