Installation and Maintenance Guidelines for Cast In Heaters
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- Always ensure that cast-in heaters are properly mounted to the application to avoid warping of flat heaters or "walking" of barrel heaters. After the initial start-up, retighten the heater mounting system to assure complete surface contact. Periodically check the bolts or straps and tighten as required maintenance.
- Tighten all liquid cool connections securely to avoid rupture from internal steam pressures. Cast in C6 fittings or brazed connections are the most reliable. Properly maintain these connections to avoid leaks that will destroy the heater. Do not operate heating and cooling simultaneously to avoid thermal shock of the cooling tubes.
- It is recommended that water used for liquid cooling applications be treated to avoid corrosion and hard water deposits that will clog the cooling tubes over time.
- Install proper temperature control prior to operation of the heaters to ensure protection from over-temp situations which may damage the heater or equipment. Periodically changing temperature sensors is good preventive maintenance.
- Electrical terminals must be properly insulated and made tightly to ensure safe operation. All heater installations must be properly grounded. All electrical terminations must be made per applicable Electrical Safety Codes and O.S.H.A. regulations.
- Do not operate the heaters outside of the voltage and temperature of the design. This will cause the heaters to fail.
- ALWAYS disconnect the electrical power to heaters prior to service.
Cast In Heater Installation and Maintenance Guidelines - 213KB (PDF)