Honeywell FocusPRO TH6220D Installation Manual page 9

FocusPRO
TM
TH6220D Programmable Thermostat
J
A 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.
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/lCoeJ 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/2CeeJ conventional
Typical heat-only system with ?an Heat-enVy system (Series 20)
L1 L1
L2 (HOT) L2 (HOT)
k
A
R C R
CONVENTiONAl_-- Y2 w2 a W C Y R Rc
POWER TOOPEN
ANDPOWER TO
CLOSE
MOTOR ORVALVE
(SERIES 2O)