© Thermo Hybaid. Issue 1.0, January 2002
10
3.3 Installation
Choosing a Location
1.
Where possible, avoid connecting the Control Chassis to a mains supply subject to mains
voltage fluctuations, e.g. a socket shared by an ultracentrifuge or refrigerator.
2.
In Px2 systems, excess heat is removed from the system by a fan. The air intake for the fan is
located underneath the unit and air is expelled out of the back of the unit. To ensure correct
airflow around the unit, allow at least 8cm clearance between the sides of each module and
15cm of clearance at the back of the unit.
Special care should be taken not to obstruct the
vent underneath the unit with, for example, loose Benchcote or sheets of paper.
The
unit must not be covered during operation.
3.
All Px2 instruments should be placed on a stable and level surface, out of direct sunlight and
away from strong currents of hot or cold air. The heated lid should always be closed during
temperature cycling, even if the lid is not switched on.
4.
The Px2 is intended for indoor use at an ambient temperature of 4-34°C in conditions of up to
80% humidity. These specifications have been calculated for operations at between 0 and
2000m altitudes.
Block Installation and Removal
1.
Remove the Px2 Control Chassis and Block Module from the packaging and place on the
bench; do not connect to the mains supply immediately.
2.
Open the lid (by turning the knob anticlockwise to the open lid icon) to expose the block
recess.
3.
Supporting the block from the blue plastic moulding and the ring pull, position the back of the
block on the two lugs on the chassis.
4.
Lower the block, via the pull ring into the recess (see fig 3.1). Placing your thumb on the ring
pull (just beneath the hole) firmly push downwards until you hear the block click into place.
5.
Do not force the block if this does not happen: remove the block and check for obstructions in
the block recess. The following error screens will appear if the block has not been installed
properly or you attempt to run a program without a block in place:
SELF CHECK FAILED
or
SELF CHECK FAILED
BLOCK NOT PRESENT
BLOCK ID ERROR
Removal is the reverse procedure.
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