85
JUMPER
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 55
WIRING DIAGRAM FOR A LEGACY SINGLE-STAGE THERMOSTAT WITH AUTOSTAGING.
SINGLE-STAGE
THERMOSTAT
(NON-COMMUNICATING)
TWO-STAGE / MODULATING
GAS FURNACE CONTROL
CONDENSER
UNIT
FIGURE 58
WIRING DIAGRAM FOR LEGACY SINGLE-STAGE THERMOSTAT WITH AUTOSTAGING
ST-A1194-61-04
INTEGRATED FURNACE CONTROL
C. CONDENSING SYSTEMS W/LEGACY THERMOSTAT
C1. WIRING OF A 1-STAGE LEGACY THERMOSTAT
C1.
WITH AUTOSTAGING SELECTED (SEE FIGURE
C1.
58).
C2. WIRING OF A 2-STAGE LEGACY THERMOSTAT
(SEE FIGURE 59)
THERMOSTAT WIRING DIAGRAMS-CONDENSING UNIT (NON-
COMMUNICATING
Int
eg
rat
ed
Fu
rn
ace
Co
ntr
ol
