Recirculating cooler
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Chapter III
User’s Guide
3.1 Preparations before operation
1. Please clean the water tank and workspace before operation.
2. Make sure the flange bolts of the external flexible hose tightened.
3. Power connection: connect the
chiller’s
power outlet with the single phase
power of the workspace (please referring to duty plate of the unit). The
requirement of the power supply shall be grounded single phase three
wire, whose earth resistance shall not be bigger than 0.1Ω. Electric power
supply of single unit shall be at least 10 Ampere.
4. Bath liquid injection: bath liquid should be injected for the first time
operation. It will be better the injection volume over the water level switch
10 to 20mm. To avoid blockage and incrustation in pipelines, please use
deionized water or dedicated bath liquid. It is necessary for you to clean
the water tank and change the bath liquid in water tank regularly to
prevent germs.
5. Automatic feed inlet is used to connect with
user’s
bath liquid supply
system to realize automatic fluid supplement without supervision. User
can voluntarily connect the inlet with bath liquid supply system via
standard pipeline. Automatic feed inlet system starts in a low water level
state with alarm generated. If user’s instrument has already connected
with the external bath liquid supply, the automatic fluid supplement
process will automatically start. The process will automatically delay 10
seconds to stop after reach the water level.
Remark 1
：
Bath liquid shall be injected as soon as the orifice unit starts,
which should be slowly injected with funnel diameter no less than
300mm, and stop injection after water level alarm stops.
Remark 2
：
Different temperature range should apply for corresponding
bath liquid. Reference as following:
Glycol water or alcohol is applied commonly when working temperature
is
under 5
℃
.
Deionized water is applied usually when working temperature is between
5
℃
and 80
℃
.
15% Glycerin solution is applied commonly when temperature range is
