Honeywell T874R Installation Instructions Manual page 5

T874R THERMOSTATS AND Q674L SUBBASES
THERMOSTAT
SUBBASE
SYSTEM COMPONENTS
L1 L2
(HOT)
Fig. 7. Internal schematic and typical wiring diagram for Y594R1300 (T874R1475/Q674L1520); fixed anticipation.
T HERMOSTA.T SUBBASE SYSTEM COMPONENTS
------ A---------------- . / -------------------------------------- A-------------------------------------------- . y----------------A------------
Fig. 8. Internal schematic and typical wiring diagram for Y594R1425 (T874R1616/Q674L1587). SUPER
TRADELINE®; universal model for heat, cool, or first stage heating changeover systems.
CHECK LED has isolated terminals for use in all systems.
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