THERMOSTAT WIRING DIAGRAMS
B. SYSTEMS WITH LEGACY THERMOSTATS
B1. WIRING OF A 1-STAGE LEGACY THERMO-
STAT WITH AUTOSTAGING SELECTED
(SEE FIGURE 55).
FIGURE 55
WIRING DIAGRAM FOR A LEGACY 1-STAGE THERMOSTAT WITH AUTOSTAGING.
NOTE: For 1 stage
cooling a jumper
between Y1 and Y2
ST-A1194-61-01
is required!
JUMPER
HEAT PUMP
ONLY
B2. WIRING OF A 2-STAGE LEGACY THERMO-
STAT (SEE FIGURE 56)
D
ST-A1194-61-01
101