Chromalox PD422-4 operating instructions Operation, Maintenance

Models: PD422-4

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OPERATION

OPERATION

1.Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life.

2. Always maintain a minimum of 2” of solution above the heated portion of the element (See Figure 1, “B” Dimension) to prevent exposure of the effective heated length. If the heater is not properly submerged, it may overheat and shorten heater life.

If the heater is not properly submerged, the heating elements will overheat and could result in a fire or damaged equipment.

3.In an electroplating operation the heaters are not under any cir- cumstances to be placed between the electrodes and the work.

MAINTENANCE

ELECTRIC SHOCK HAZARD. Disconnect all power before installing or servicing heater. Failure to do so could result in personal injury or property damage. Heater must be installed by a qualified person in accordance with the National Electrical Code, NFPA 70.

1.Heaters should be checked periodically for coatings and corro- sion, and cleaned if necessary.

2.Tank should be checked regularly for sediment around the end of heater as this sediment can act as an insulator and shorten heater life.

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Chromalox PD422-4 operating instructions Operation, Maintenance