Honeywell FocusPRO TH6220D Installation Manual page 10

Installation Guide
- 1
_, 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/lCoel 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 2Heatl2Cool conventional
Typica_ cool-only system
L1
L2 (HOT)
COMPRESSOR L_
CONTACTOR_
i i r"
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[0NVENTIONALJ Y2 W2 G W C Y R Rc
HEAT PUMP-- _: <_ _t v ;:
Heat-only system (normafly open zone valve)
L1
L2 (HOT)
c
--i
NORMALLY F
OPEN
ZONE VALVE
A
AA
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[ONVENTIONALJ
Y2 W2 e W C Y R Sc