35KW Mid-Frequency Induction Heater w/ 5 Meters Extendable Coil 30-100KHz

Across International IHE series induction heaters are designed with mid working frequency between 30 and 100 KHz. Mid frequency hand-held induction heating machine is the newest hand-held heating model. It is excellent for copper pipe welding due to the design of its 3-5 meters extended handheld heating head and fast heating rate.

Among all types of induction heaters, mid frequency induction heaters are the simplest in term of design with the low maintenance, and are the most popular, affordable and reliable machines, especially between 15kw and 25kw models. The large capacity and small size at an affordable price make these models the standard equipment for a lot of factories, labs and workshops. 

Main Features

·     Ease of use: just connect the power and the water cooling system. Our simple instruction allows you to use the heater in 15 minutes.

·     3-5 meters extended handheld heating head with power switch.

·     Precise control with digital time and current displays.

·     Remote foot switch for safer operation.

·     Dual automatic and manual modes.

·     Optional graphite, MgO and SiO2 crucibles available. (melting material decides crucible type, weight and size of the material decide crucible size)

·     Custom coil design available (fixed coil or coil on a cable so it can be used by hand like a wand)

Indicators

·        Power indicator: 

When input power is connected, circuit breaker in back panel and main power switch in the front are turned on, this red light is on indicate the control power is OK.

·        Operation indicator

This green light will flash with intermittent buzzing sound (around one in each second) during heating process.

·        Output over voltage indicator

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·        Water fail indicator

The induction coil and some parts inside the machine are all cooled by cooling water. This machine comes with a built-in water pressure sensor. If cooling water pressure is lower than the rated value, this light will turn on with continuous buzzing sound, and the machine will stop working automatically.

·        Phase protection indicator

Control power is drawn from two of the phases of a three-phase power. Two situations: A) One of the control power phases is missing. Machine will not work and power indicator is off. B) The phase other than the control power phases is missing, phase protection indicator will light up, machine shuts down automatically with buzzing sound.

·        Over current indicator

When this light turns on with continuous buzzing sound, machine will stop working automatically. The followings are the possible causes.

b.     Interference signal

c.     Equipment failure

d.     Induction coil short circuit caused by induction coil touching the work piece

e.     Contact between induction copper turns

f.      Oven temperature for some parts inside the unit

g.     Input power overload capability

Restart the machine normally should fix the problem. If this light comes up with sound every time you start the machine, there might be a bad part which needed to be replaced.

·        Short circuit indicator

When this light is on and the alarm is issued, the IGBT module or the auxiliary adjustment part of the voltage regulation part may be damaged, or the short circuit sensor may be damaged. Please refer to the fault guide or consult our company for repair.

·        Input over voltage indicator
Input of 380-415VAC three phase is required for this machine. When input voltage is higher than 430v, this light will turn on with continuous buzzing sound, and the machine will stop working automatically.

·        Over temperature indicator

There is a heat sensor attached to the heat radiator inside the machine, when the sensor detects a temperature higher than 55°C, over temperature light will come on with continuous buzzing sound. Increase cooling water flow rate or lower water temperature could resolve this issue.

·        Over temperature indicator

When the temperature of these devices is higher than 55 °C, the device will stop working, the overheat indicator turns on with continuous buzzing sound. Increase the water flow to reduce the temperature of the cooling water to release it.

·        Unit frequency indicator

This light is on when the device oscillates at a frequency lower than 30KHZ or higher than 100KHZ. The device will continue to operate, but the output voltage, power, etc. will automatically attenuate to protect the device from damage. It can be adjusted by the following methods: (1) If the frequency is too low, the number of turns of the induction coil can be reduced, or the diameter of the induction coil can be reduced, (2) If the frequency is too high, the number of turns of the induction coil can be increased, or the inductance can be increased. The diameter of the circle to reduce the frequency.

·        Frequency (KHZ) indicator

This light will come up when the digital gauge shows the oscillation operating frequency.

·        Current (A) indicator

This light will come up when the digital gauge shows output oscillator current.

·        Voltage (V) indicator
This light will come up when the digital gauge shows output oscillator voltage.

·        Power (KW) indicator
This light will come up when the digital gauge shows output oscillator power.

Buttons & Switch

·        Start button

Press this button once to start heating. This button is disabled when remote foot switch is connected.

·        Stop button

Press this button once to stop the heating process.

·        Frequency (KHZ) button

Press and hold this button, the digital display shows the current oscillation frequency (KHZ). The frequency indicator also will be turned on.

·        Current (A) button

Press and hold this button, the digital display shows the output current of the device (A).. The current indicator also will be turned on.

·        Voltage (V) button

Press and hold this button, the digital display shows the current output voltage of the device (A). The voltage indicator also will be turned on.

·        Power (KW) button

Press and hold this button, the digital display shows the current output power of the device (KW). The power indicator also will be turned on.