Technical Manual (07610-003-78-18) BOOSTER HEATER SCHEMATIC (1-PHASE 18kW) USE THIS SCHEMATIC FOR THE FOLLOWING BOOSTER HEATER OPTIONS: 208V 60HZ 1-PHASE 18kW (70° RISE) 230V 60HZ 1-PHASE 18kW (70° RISE) Page Created: 05-04-2010 Revised: N/A 69