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7 Common faults in operating thermal oil heater(1)

When thermal oil heater is operated you must know 8 common faults as followings:

Thermal Oil Heater

Thermal Oil Heater

1. Overpressure

Causes:

1) Blockage in pipeline;

2) Accidental shut off of circuit valves;

3) Mal-function of circulating pump relief valve;

Remedies:

1) Check the pipeline and valves;

2) Check the relief valve.

2. Thermal oil heater low flow rate

Cause:

1) Dirty filters;

2) Deterioration of pump performance;

3) Circuit valve accidentally shut off.

Remedies:

1) Clean filters;

2) Check the pump speed, motor current and pump coolant;

3) Check the circuit valves.

3. High thermal oil heater  temperature

Cause:

1) Malfunction of temperature controller;

2) Low flow rate of heat carrier;

3) Wrong calibration of temperature controller

Remedies:

1) Check temperature controller and calibrate it with an accurate thermometer;

2) Check the circulating pump.

4. Expansion tank low level

Cause:

1) Malfunction of level controller;

2) Leakage in the system.

Remedies:

1) Check the level controller;

2) Check for any leakage of the whole system.

In next news, I will continue to introduce the causes and remedies of common faults about thermal oil heater.

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