18
wIrInG dIaGraMs
conVersIon to sInGle phase
When the heater is shipped for connection to a three-phase electrical
service, it may be connected to a single-phase electrical service of
the same voltage by:
1. Disconnect blue wires from terminal L2.
2. Connect all blue wires to terminal L1 (with black wires).
3. Disconnect all red wires from terminal L3.
4. Connect all red wires to terminal L-2 (with yellow wires).
5. Connect incoming power to terminals L1 and L2.
conVersIon to three phase
When heater is shipped for connection to a single-phase electrical
service, it may be connected to a three-phase electrical service of
the same voltage by:
1. Disconnect blue wires from terminal L1
2. Disconnect red wires from terminal L2.
3. Connect all blue wires to terminal L2 (with yellow wires).
4. Connect red wires to terminal L3.
5. Connect incoming power to terminals L1, L2 and L3.
nIne eleMents - sInGle and three phase
dIaGraM 4.
Содержание dre-100
Страница 7: ...7 FEATURES AND COMPONENTS ELECTRONIC CONTROL MODELS FIGURE 1...
Страница 8: ...8 FEATURES AND COMPONENTS SURFACE MOUNT CONTROL MODELS FIGURE 2...
Страница 36: ...36 PIPING DIAGRAMS INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES...
Страница 37: ...37 PIPING DIAGRAMS INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES...
