FocusPRO
™
TH5220D Non-programmable Digital Thermostat
5
Typical 1H/1C system: 1 transformer
Typical 1H/1C system: 2 transformers
Remove
jumper
Wiring diagrams
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/1Cool Heat Pump
& changeover valve to
0
or
B
.
In Installer Setup, set system type to
2Heat/1Cool 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
.
