88
ST-A1194-92-01
JUMPER
D
1
2
R
C
HUM STAT
W1
W2
G
Y1
Y2
B
NOTE: 1.) FOR TIMED STAGING, THE DIPSWITCHES 10 AND 11 (S2-10 AND S2-11)
MUST NOT BE LEFT IN THE “OFF” POSITION. IF THE SWITCHES ARE
LEFT IN THE ”OFF” POSITION WITH THIS CONFIGURATION, THE FURNACE
WILL NEVER GET TO HIGH STAGE HEAT. (SEE DIPSWITCH SECTION
OF THIS BOOK).
2.) FOR SINGLE STAGE COOLING A JUMPER BETWEEN Y1 AND Y2 IS REQUIRED.
FIGURE 58
WIRING DIAGRAM FOR A LEGACY SINGLE-STAGE THERMOSTAT WITH AUTOSTAGING.
SINGLE-STAGE
THERMOSTAT
(NON-COMMUNICATING)
TWO-STAGE / MODULATING
GAS FURNACE CONTROL
OUTDOOR
UNIT
FIGURE 61
WIRING DIAGRAM FOR A LEGACY SINGLE-STAGE THERMOSTAT WITH AUTOSTAGING.
ST-A1194-92-01
INTEGRATED FURNACE CONTROL
THERMOSTAT WIRING DIAGRAMS-CONDENSING UNIT (NON-
COMMUNICATING
In
te
gr
at
ed
F
ur
na
ce
C
on
tro
l
E. HEAT PUMP SYSTEMS W/LEGACY THERMOSTATS
E1. WIRING OF A SINGLE-STAGE LEGACY
THERMOSTAT WITH AUTOSTAGING SELECTED
(SEE FIGURE 61).
E2. WIRING OF A TWO-STAGE LEGACY THERMO-
STAT (SEE FIGURE 62)
