Bryant 764A Installation, Start-Up And Service Instructions Manual page 9

Route thermostat wires through grommet providing a drip
loop at the panel. Connect low-voltage leads to the thermo-
stat as shown in Fig. 16.
The unit transformer supplies 24-v power for complete
system including accessory electrical heater. Transformer is
factory wired for 230-v operation. If supply voltage is 208 v,
HIGH-VOLTAGE LOW-VOLTAGE
POWER WIRING WIRING ENTRY
ENTRY HOLE HOLE
Fig. 13 — Unit Electrical Connection Entry Holes
Fig. 14 — Control Box Wiring
rewire transformer primary as described in Special Proce-
dures for 208-V Operation section on page 11.
Accessory Electric Heat Wiring
Refer to accessory electric heat installation instructions for
information on installing accessory electric heat. Accessory
electric heat wiring is shown in Fig. 17.
LEGEND
NEC — National Electrical Code
Field Control Wiring
Field Splice
Fig. 15 — Line Power Connections
Fig. 16 — Control Connections
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