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T8775A, C THE DIGITAL ROUND TM NON-PROGRAMMABLE THERMOSTATS
Wiring
IMPORTANT
Use 18-gauge wire to wire the T8775A, C
Thermostats
All wiring must comply with local electrical codes
and ordinances. Disconnect the power supply to
prevent electrical shock or equipment damage.
Refer to Fig. 2 through 6 for typical wiring hookups.
Fig. 4. Typical hookup of T8775C in heat=cool system
with single transformer.
AND OVERLOAD PROTEC[ ON AS REQU RED
r4_{_ s
Fig. 2. Typical hookup of T8775A in a heat-only system.
A A
A;,OWE_ SUPPLY P_OWOEO_SCONN_CT MZANS
ANO OW_L OAO ;'_OTECT_ON AS_EOU_EO
A _EMOW _ACTO_Y _NSTAHEOJUMPZ_ BETWEEN _ ANO _C
Fig. 5. Typical hookup of T8775C in heat=cool system
with two transformers.
APOWEf_SUP>LY Pf_OVDE DSCONNECTMEANS
Fig, 3. Typical hookup of T8775C in heat-only system
with fan.
A
Fig. 6. Typical hookup of T8775C in single-stage heat
pump system.
6g-1677ES--1 2