Taylor-Wharton CXR500 - Manual (Page 2)

TW-362
Refrigeration depends on the presence of liquid nitrogen refrigerant in
the refrigerator. Be sure to maintain a full charge of refrigerant to
prevent loss of stored materials. Please refer to the “Operations”
section of this document for instructions on the filling procedure. If you
are not able to fully charge the Cryo-Exchange unit by weight, it is
possible that moisture has accumulated in the filler material over time
with normal usage. This accumulation will result in displacement of
refrigerant. Direct dry heat not to exceed 150
o F (65 o C) (from a hair
dryer or other source) into the refrigerator. The unit is acceptably dry
when the tare weight is within 1 lb. (0.45 kg) of the “as received from
the manufacturer” tare weight. If the tare weight is still not satisfactory,
or contamination is suspected, a new set of adsorbent socks can be
purchased to bring the unit back to factory specifications.
REPLACING THE ADSORBENT
A) On a clean working surface in a well ventilated area and the
CXR at ambient temperature, begin by removing the cap
assembly and canister (items 1 and 2) shown above in figure
1.0.
B) Wearing gloves made from one of the following:
polyethylene/ethylene vinyl alcohol, polyvinyl alcohol, Teflon
or Viton, reach down the necktube and remove the core
(item 3).
C) Reach in and remove one at a time the 7 adsorbent socks
(item 4). Dispose of the used socks properly.
D) Clean the empty CXR (item 5) with an approved disinfectant,
and then dry thoroughly.
E) Replace the Adsorbent socks with TW part number CXR100-
9C30. Place the socks down the necktube standing them
vertically around the perimeter of the CXR.
F) Replace the Core (item 3)
G) Fill the CXR per the procedure found in the operation section
of this manual.
TRANSPORTATION
Although these refrigerators are rugged, they can be damaged if
abused or otherwise mishandled. A specially designed hard-shell
shipping container (refer to the parts section for ordering information)
should be used anytime the refrigerator is transported. This container
will help prolong the life of the unit and should be replaced if damaged
during use. When moving or transporting a refrigerator, take every
precaution to prevent sliding, tipping, bumping, or dropping the unit.
Keep the unit upright. Although there is no safety hazard if the
properly filled refrigerator is on its side, the refrigerant consumption is
much greater with the unit in this position and holding time will be
significantly reduced.
RETURNS
Manufacturing defects are covered under the containers limited
warranty. Evidence of mishandling, such as dents on the outer vessel,
or misalignment of the inner vessel, are not manufacturing defects. If
high evaporation rates are apparent under normal operating
conditions, the refrigerator may be losing its vacuum. Sweating and
the formation of frost on the outer casing are indications the
refrigerator may be losing its vacuum. All necessary steps should be
taken to protect the refrigerator’s contents. Please contact your
supplier for information on how to conduct a normal evaporation rate
(NER) test in the field.
If you would like to return goods to Taylor-Wharton for any reason, you
must first obtain a Material Return Authorization (MRA) number for
tracking purposes. Please have a description of your symptoms and
your serial number ready. Contact your supplier or call us at 1-800 TW
TANKS or
e-mail us at
[email protected] .
REPLACEMENT PARTS
Description CXR100 CXR500
Handle CXR100-6C12 N/A
Handle, Pin 8631-5000 N/A
Canister CXR100-9C24 Note*
Neckplug Assembly CXR100-9C16 CP70-9C18
Core Sleeve CXR100-9C20 CXR500-9C20
Adsorbent Sock (Set) CXR100-9C30
CXR100-9C30
(2 Sets)
Decal CXR100-9C25 CXR500-9C25
Hard Shell Shipping Enclosure CX10-8C00 CP19-8C00
Padded Carton Shipping Enclosure 3701-9277 N/A
Note*: Five shelf rack (for TW plastic box)…………RS30-9C40
Blood Bag Rack……………………………………….CP70-9C44
FIGURE 1.0