Honeywell T874R - Wiring Diagrams and Schematics; Y594 R1763 Wiring Diagram; Y594 R1243 Wiring Diagram

T874R THERMOSTATS AND Q674L SUBBASES
THERMOSTAT SUBBASE SYSTEM COMPONENTS
Fig. 5. Internal schematic and typical wiring diagram for Y594R1763 (T874R1954/Q674L1827). Replaces
GE AY28X078, AY28X139; Trane Baystat 139, Baystat 239 and Baystat 240;
and Honeywell Y594R1136 Thermostats.
THERMOSTAT
_____ A ______
\ /■
SUBBASE
% /■
SYSTEM COMPONENTS
______ A _______
(HOT) L1 L2
Fig. 6. Internal schematic and typical wiring diagram for Y594R1243 (T874R1152/Q674L1207).
69-0392—9
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