Ratek TH7000 Digital Immersion Heater Circulator - User Manual
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Page 13 of 23
CAUTION
Regularly check the mains power lead condition over the life of the product, and do not operate the equipment if you
suspect there is damage to any part of the equipment or the mains power lead.
Do not operate the equipment if you suspect the power lead has been stretched, over-extended or damaged in any
way.
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Insert the plug end of the mains power supply lead firmly into a properly rated, protective earthed wall
mounted power supply outlet.
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If there are double-adapters or oversized DC power packs causing obstruction of the mains power lead plug,
these should first be removed.
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Ensuring your hands are dry, switch on the power on the mains power supply outlet.
Switching On The Immersion Heater
Circulator
CAUTION
Ensure you have filled the water bath to at least the minimum required level before switching on power. Failure to do
so may create a hazardous situation that can cause burns, scalding and create a fire risk.
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Before switching on the immersion heater circulator, determine the temperature you wish to operate the bath at.
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If you wish to heat your containers from ambient temperature, you should load the bath prior to switching on the
unit. See the section titled “Loading the Water Bath” below.
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If you wish to add your containers to warm or hot water, this should be done with extreme care once the
temperature of the water bath has stabilized.
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Once you are ready to begin heating the water, switch the Mains Power Switch to the position marked with a
vertical line. The Current/Set Temperature Display will illuminate to indicate the heating system is active.
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If the last set temperature is greater than the current water temperature, the Heating Element Indicator will
light red and either flash to indicate intermittent heating or remain lit constantly to indicate constant heating.
CAUTION
Once the Heating Element Indicator is lit, the heating element is active and the surface of the element will remain
extremely hot whilst heating and for many minutes even after power to the unit has been disconnected. Once the
Heating Element Indicator has lit, under no circumstances should you place any part of your body near the heating
element. The residual heat of the element creates a hazardous situation sufficient to cause burns or scalding if
contact with the element is made.
