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PRO TH3210D Non-programmable Digital Thermostat
Wiring diagram
1
Power supply. Provide disconnect means and overload protection as required.
2
Optional 24 VAC common connection.
3
Use either O or B terminals for changeover valve.
4
L terminal is powered continuously when thermostat is set to Em Heat.
5
Install field jumper between E and Aux if there is no emergency heat relay.
5
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