Introduction
13
MBRELL
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Precision Induction Heating
Cooling water
In the process of heating your work-piece, the current flowing in the work head and
power supply heats components, too. EASYHEAT provides a means of directing fresh
water into and through the components, enabling the water to pick-up the excess heat and
transfer it, either to a drain or to a heat exchanger which will then be recycled back to the
equipment.
Follow these important restrictions:
If used, fill re-circulating system with distilled or clean tap water
Do not use de-ionizing water systems
Do not use inhibited glycols in concentrations over 10% by volume as anti-
rust or anti-freeze agents; these agents reduce efficiency of cooling.
(If cooler is not supplied by us) Install a pressure regulator and a particulate
matter filter (both non-ferrous) in the supply of your cooling water.
Do not use ferrous pipe; it can lead to serious equipment damage!
Establish a cooling water source capable of adequate differential pressure and flow
(see §4.4)…
Provide inlet and outlet water per instructions §1.4
Flow monitoring
The amount of water flowing through your equipment is monitored, since operation with
inadequate or absent cooling water can result in damage to the coil or capacitor. When
flow is adequate to the heat sink and to the coil – see §4 – two internal switches are
closed. When flow falls off to the heat sink or the coil, one or both of the switches open
and the power supply senses it, halts RF power and indicates Fault.
No action required by you; internal connections.
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