Set-up and Start-up
16 Hei-VAP Value, Hei-VAP Advantage
1. Place the base plate (2) on the surface for the heating bath (1) into the provided rail,
so that the heating bath cannot tilt.
2. Place the heating bath into the rails by its feet. Be careful that the heating bath con-
nection points to the right rear.
4.4.2 Fill the heating bath
The heating bath can be filled with various heat transfer fluids.
When using de-ionized or distilled water:
Offset water with 0.2 % borax (Na
2
B
4
O
7
*10 H
2
O) to prevent
corrosion associated with these purified waters to the stain-
less steel of the heating bath.
The minimum-/maximum specifications in the heating bath refer
to the liquid level when the evaporator flask is immersed.
1. Select a liquid suitable for your application, such as tap water, water-soluble polye-
thylene glycol or oil of a lower viscosity (40 cP) and flash point (observe the Safety
Data Sheet)> 260 ° C.
2. Immerse the evaporator flask.
3. Fill the heating bath with the media of choice. The level should be within the mini-
mum and the maximum marking in the heating bath.
4.4.3 Offsetting the heating bath
It will be necessary to expand the distance of the heating bath to the drive unit when
using large evaporator flasks or intermediate pieces between evaporator flasks and the
vapor tube, such as bump flasks or foam brake flasks.
Shift the heating bath including the base plate by the handle on the rail and position
accordingly (Figure 4–2: Heating bath).
Location of the heating bath
The base unit is located on a suitable surface.
Verify that sufficient space (approx. 20 cm around the evapo-
rator) and a solid seating are available in the shifting area.
Verify a solid seating of the heating bath base and the bath.
4.4.4 Heating bath set-up when using Rotacool
Offsetting the heat-
ing bath
Heating bath set-up
when using Rota-
cool
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