7340_7350-25-33 Series Operations Manual
Rev J 3-31-21
Page 15 of 92
R290 REFRIGERANT UNITS
DANGER – Flammable Refrigerant Used. Risk of fire or
explosion.
No equipment that uses an open flame should be placed
inside the unit.
Do not use instrumentation or equipment that
incorporates potential ignition sources, e.g. open contact
switching, brushed DC and AC motors, etc.
Do not use electrical appliances within the unit, other than
those recommended by the manufacturer.
Preliminary Cleaning
Your new environmental chamber was thoroughly cleaned prior to leaving the factory.
It is recommended, however, to clean all interior surfaces with a general purpose
laboratory cleaning agent to remove any shipping dust or dirt prior to using the product.
Contact Caron if there is any doubt to the compatibility of the cleaning agent being
used with the chamber. After cleaning, dry all interior components with a sterile cloth
as necessary.
Installing the Port Stoppers
The unit has an access port built into each side of the cabinet. The ports are designed
to allow customer access for equipment validation and for installation of other equipment
inside the chamber. These ports should be sealed with the provided rubber stoppers to
allow the chamber to function properly. Install the stoppers provided in the port on each
side of the unit.
Installing the Shelves
Each new 7340-25/7350-25 Series chamber includes 4 perforated stainless steel
shelves. Each new 7340-33/ 7350-33 Series environmental chamber includes five
perforated stainless steel shelves. Each shelf requires two shelf channels for
installation. The left and right shelf tracks are the same. Prior to installation, take time
to consider what the size of the product being placed in the chamber will be and set the
shelf spacing accordingly. Additional shelving can be purchased through CARON
customer service if necessary. The chamber should be empty when being moved.
To install the shelf channels insert the rear tab on the shelf channel into the rear wall on
the side wall of the chamber. Then insert the front tab into the front pilaster. Push the
entire shelf channel towards the rear of the unit and snap it down into place.
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