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Set up of the bath requires careful unpacking and placement of the bath, install
-
ing the drain valve, filling the bath with fluid, and connecting power. Consult
Section 5 for detailed instructions for proper installation of the bath. Be sure to
place the bath in a safe, clean and level location. Install the drain valve onto
the pipe fitting at the back of the bath and make sure the valve is closed. See
Section 5.3, Bath Preparation and Filling. Be sure to place the bath in a safe,
clean and level location.
Fill the bath tank with an appropriate liquid. For operation at moderate bath
temperatures, clean distilled water works well. For lower temperatures, ethanol
(denatured) works well but is NOT USABLE AT HIGHER TEMPERA
-
TURES due to flammability.
Carefully pour the fluid into the bath tank through the large rectangular access
hole above the tank avoiding spilling any fluid. The fluid must not exceed a
height of 1/2 inch below the top of the tank or be less than 2 inches below the
top.
4.3 Power
Plug the bath power cord into a mains outlet of the proper voltage, frequency,
and current capability. See Section 3.1, Specifications, for power details. Refer
to and read the CAUTION at the front of this manual concerning brownout and
over voltage protection.
Turn the bath on using the front panel “POWER” switch. The bath will turn on
and begin to heat or cool to reach the previously programmed temperature
set-point. The front panel LED display will indicate the actual bath tempera-
ture. Set the cooling switch to “OFF” for temperatures above approximately
50°C. Set the switch to “ON” for lower temperatures. When the cooling switch
has been turned on, the first stage compressor will power up. The second stage
will come on automatically when proper conditions are met. This will take 2 to
4 minutes. Cooling in the bath will not begin until the second stage starts.
4.4 Setting the Temperature
In the following discussion and throughout this manual a solid box around the
word SET, UP, DOWN or EXIT indicates the panel button to press while the
dotted box indicates the display reading on the front panel. Explanation of the
button function or display reading is written at the right.
To view or set the bath temperature set-point proceed as follows. The front
panel LED display normally shows the actual bath temperature.
24.68 C Bath temperature display
14
4 Quick Start