Honeywell T8090A/191108A Owner's Manual page 6

15 191108AJ WALLPLATE. Provides mount-
ing base and wiring connections for
heating-only or cooling-only thermostat.
16 Q682B SUBBASE. Provides mounting
base, wiring connections and manual
switching control for heating/cooling
thermostat.
69-0574—2
15
16
6
O
B
R
W
G
Y
FAN
ON AUTO HEAT OFF
M2421
COOL
M719