Heater Wiring - A.O. Smith BTR 151 Instruction Manual

heater wiring

All electrical work must be installed in accordance with the latest version of the national Electrical Code AnSI/nFPA no. 70 and
must conform to all local code authority having jurisdiction. An ELECTRICAL gROunD IS REQuIRED TO REDuCE RISK OF
ELECTRICAL SHOCK OR POSSIBLE ELECTROCuTIOn.
If any of the original wire as supplied with the appliance must be replaced, use only type 105°C thermoplastic or equivalent and 250 C
0
type F must be used for the flame sensor and igniter leads.
The controls of this water heater are polarity sensitive. Be certain to properly wire the hot and neutral connections.
figure 19.
21