OPTIONAL EQUIPMENT |
| COMPONENTS AND CONTROLS |
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The following items are available as extra cost options.
•Electronic low water
•Pilot lights – Monitor
•Manual limiting switches with indicating lights to permit heater kW input to be manually limited as desired.
•Temperature and pressure gauges are available installed flush with the jacket to monitor heater performance.
•Electronic step controller modulates power
•Safety door interlock prevents opening of access door while heater is energized.
•Shunt trip disconnect provides power disconnect upon a control sensed malfunction.
•Alarm bell provides an audible alarm to warn of various control failures.
•Time clock to control
•Low water pressure switch.
•High water pressure switch.
| TERMINAL BLOCK | GROUND LUG | |
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| CONTROL |
| POWER CIRCUIT FUSE BLOCK | CIRCUIT | |
| FUSE BLOCK | ||
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IMMERSION |
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THERMOSTAT |
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| TRANSFORMER |
LOW WATER |
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CUTOFF | CONTACTOR |
| CONTROL |
(IF EQUIPPED) |
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(IF EQUIPPED) |
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| CIRCUIT | ||
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| FUSE BLOCK |
FIG. 12 Electrical Panel Component Location | |||
Drawing |
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TERMINAL BLOCK
LOAD | LINE |
FIG. 13 Main Power Terminal Block
A main power terminal block is provided for field connection of the branch power supply to the electric water heater. All internal power circuits to the immersion heating elements are connected to the load side of the main terminal block. The line side of the terminal block has individual lug type connections properly sized for the recommended copper field wire size.
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