Clark Cooper EH40-04 Panduan Instalasi dan Pengoperasian - Halaman 6

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Coils can come with an optional Type A male DIN Connector. The pinout can be seen above. The

coil has no polarity so the positive and negative terminals on the DIN connector are

interchangeable. The ground pin is not used in these coils.

Safety:

Depressurize a system before trying to remove the valve.

Do not pressurize the valve without the coil installed. While the valve is designed to not burst at

pressures approaching four times the rated maximum inlet pressure, the coil actually provides a

portion of that inherent strength.

If the wires from the coil need to be directed a certain way, loosen the nut on top of the coil

before trying to re-orient. Do not grab any portion of the bonnet tube with a wrench or plyers.

Doing so can damage the tube, loosen the retainer causing leakage, or damage an o-ring.

The surface temperature of some coils may be >200 degrees Fahrenheit (!) when held in the

energized state. Use caution when handling a coil that has just been in use.

Troubleshooting:

1. NEVER attempt to disassemble a valve that is under pressure. This may result is a serious

injury or death(!).

2. Some configurations of the EH40 require vertical mounting with the coil on top. See section

on installation.

3. The valve must be mounted in the correct 'flow direction' as indicated by the arrow on the

side of the valve body. An arrow points to the inlet on the EH40 Series products.

4. This valve will not act as a check valve. It only blocks flow in the direction of inlet to outlet.

5. Foreign matter such as particulates, PTFE tape, pipe dope, etc., can jam moving parts within

the valve or clog very small orifices. The result can be a failure to open and/or close

completely. See the section on filters/strainers in this manual.

6. The operating pressure must not exceed the pressure rating on the valve nameplate.

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