Wiring Diagram - Honeywell PRO TH3210D Manual

PRO TH3210D Non-programmable Digital Thermostat
M
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.
L1
L2 (HOT)
I
HEAT CHANGEOVER VALVE
RELAY
COOL CHANGEOVER VALVE
FAN RELAY ]
--'[COMPRESSOR CONTACTOR_
AUXILIARY HEAT RELAY
4EMERGENCY HEAT RELAY_
m
/
Io e • ® o • • o ®1
E Aux Y G 0 L R B C
A AA A,&