Honeywell FocusPRO TH6220D Installation Manual page 7

FocusPRO "MTH6220D Programmable Thermostat
i
_, Power supply. Provide disconnect means and overload protection as required.
_. Factory-installed jumper. Remove for 2-transformer systems only.
,_ Optional 24VAC common connection.
_, In Installer Setup, set system type to Heat Only.
A In Installer Setup, set system type to 1Heat/lCeol Heat Pump & changeover valve to 0 or B.
In Installer Setup, set system type to 2Heat/lCool Heat Pump.
_, L terminal is powered continuously when thermostat is set to Em Heat.
Install field jumper between Aux and E if there is no emergency heat relay.
,_ In Installer Setup, set system type to 2Heat/2Cool conventional
TypicaB 1H/1C system." 1 transformer Typical 1H/1C system: 2 transformers
L1 L1 L1
L2 (HOT) L2 (HOT) L2 (HOT)
COMPRESSORi
CONTACTOR __
CONVENTIONAL-- Y2 w2 G W C Y R Rc
COMPRESSOR
CONTACTOR
A
Remove
jumper
A
,Z]---q j
@@®@@OO@G
¢0NVENTIONALJ Y2 W2 O W C Y R Rc
HEAT P UMP--
; A 4 G o ; C _ A R<
&