State Industries SW 37-670 Boiler User Manual


 
13
WIRING DIAGRAMSWIRING DIAGRAMS
DIAGRAM 1.
THREE PHASE DELTA WITH THERMOSTAT
DIAGRAM 2.
THREE PHASE WYE WITH THERMOSTAT
NOTE(S):
1. IF A MANUAL RESET HLMT IS USED, THE SECOND AUTO RESET HLMT
SWITCH IS NOT USED.
STD. WIRING
OPTIONAL OR FIELD WIRING AS REQ’D
NOTE(S):
1. IF A MANUAL RESET HLMT IS USED, THE SECOND AUTO RESET HLMT
SWITCH IS NOT USED.
STD. WIRING
OPTIONAL OR FIELD WIRING AS REQ’D
CONTACTOR COIL
INDICATION LIGHT