Bryant Preferred 163A Installation Instructions Manual page 15

Fig. 14 --- Evolution Control Four- -Wire Connection Wiring Diagrams
(See Thermostat Installation Instructions for specific unit combinations)
Fig. 15 --- Non- -Communicating Standard Thermostat 3- -Wire 24V Circuit Connections
(See Thermostat Installation Instructions for Specific Unit combinations)
!
ELECTRICAL OPERATION HAZARD
Failure to follow this caution may result in equipment
damage or improper operation.
A minimum of three wire thermostat wiring is
required for the system to operate.
LEGEND
24--V FACTORY WIRING
24--V FIELD WIRING
FIELD SPLICE CONNECTION
CAUTION
15
Single Stage AC
A06087
A97368
A06305