Genevac HT-8 & HT-12 Series II Evaporating Systems
Page 34 of
64
04-4541
Issue 1-9 – June 2008
5.7
How to use the condenser
The VC3000D condenser fitted to your system has
two condensing pots.
The vacuum pot of 3 litre capacity, is connected in
line between the evaporation chamber and the
pump.
The exhaust pot of 1.5 litre capacity operates at
atmospheric pressure and is connected in line
between the vacuum pump exhaust, with the outlet
vented to suitable fume extraction.
The condenser is powered directly from the chamber
and is powered up when the chamber is switched on.
MANUAL DEFROST/DRAIN
The only controls on the condenser are the drain
valves for the vacuum and exhaust pot drains and
the flush unit valve, if fitted.
The ready light will illuminate after a short period, to
indicate that the condenser has reached operating
temperature.
Condenser temperature is displayed on the
condenser front panel and also on the
RUN LOG
screen (refer to page 18).
Note that due to sensor positions, there may be a
difference between the indicated temperatures on
the condenser and the evaporator
.
The
DEFROST/DRAIN CYCLE
for the condenser is
accessed through the
USER MENU
screen detailed
on page 21.
To defrost, display the DEFROST/DRAIN/FLUSH
menu and use the cursor keys to select the
DEFROST VALVE and press ENTER.
The screen prompt will change to
Open
and the
condenser temperature will start to increase.
Note that the defrost cycle will only be necessary for
solvent mixtures that freeze at the operating
temperature of the condenser, typically –45
°
C.
NEVER OPEN THE EXHAUST POT DRAIN VALVE
WHEN THE SYSTEM IS UNDER VACUUM.
To drain the vacuum or exhaust pots, simply open
the drain valves, ensuring that the outlets are
connected to suitable containers.
Always ensure that you close the drain valves
before proceeding
.
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