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Note The tightening torque for E5CN-U is 0.5 N·m.

CAUTION

Tighten the terminal screws to between 0.74 and 0.90 N·m. Loose

screws may occasionally result in fire. (See note.)

Set the parameters of the product so that they are suitable for the

system being controlled. If they are not suitable, unexpected

operation may occasionally result in property damage or

accidents.

A malfunction in the Temperature Controller may occasionally

make control operations impossible or prevent alarm outputs,

resulting in property damage. To maintain safety in the event of

malfunction of the Temperature Controller, take appropriate safety

measures, such as installing a monitoring device on a separate

line.

A semiconductor is used in the output section of long-life relays. If

excessive noise or surge is impressed on the output terminals, a

short-circuit failure is likely to occur. If the output remains shorted,

fire will occur due to overheating of the heater or other cause.

Take measures in the overall system to prevent excessive temper-

ature increase and to prevent fire from spreading.

When inserting the body of the Temperature Controller into the

case, confirm that the hooks on the top and bottom are securely

engaged with the case. If the body of the Temperature Controller

is not inserted properly, faulty contact in the terminal section or

reduced water resistance may occasionally result in fire or mal-

function.

Omron E5CN User Manual

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