Honeywell CT1500 Owner's Manual page 6

15 WALLPLATE Provides mounting base and
wiring connections for heating-only
thermostat.
16 SUBBASE Provides mounting base, wiring
connections and manual switching control
for heating/cooling thermostat.
15
16
6
O
B
R
W
G
Y
FAN
ON AUTO HEAT OFF
69-0333—6
M2421
COOL
M2411