Honeywell Thermostat TH3210D User Manual download pdf (Page 7)

PRO TH3210D Non-programmable Digital Thermostat

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.

Wiring diagram

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Honeywell Thermostat TH3210D User Manual Page 7