
CWS4000 Cocoon Warming System Operator Manual
11. SPECIFICATIONS
2 x 6.3 Amp 250V Time Lag (T) 5x20mm
1000 Watt heating element
Warming Blanket & Delivery Hose
Applied Part classification
Degree of protection against ingress of liquid
No protection against ingress of liquid
Degree of safety in the presence of flammable
anaesthetic mixtures with air/oxygen/nitrous
oxide
Not designed for use in the presence of flammable anaesthetic mixtures
with air/oxygen/nitrous oxide.
Surface disinfection is possible using a cloth moistened with a mild,
non-staining, disinfectant solution.
Temperature settings indicate the average air
temperature at the end of the delivery hose
Ambient, 34
o
C, 37
o
C, 40
o
C, 43
o
C or 46
o
C
Note: The air temperature around the patient is affected by the ambient
air temperature, the warming blanket type and the use of an insulating
blanket placed on top of the warming blanket.
Temperature accuracy of delivered air, except
for the ambient temperature setting
± 2
o
C with delivery hose cover.
Not specified without delivery hose cover.
Environmental conditions required to achieve
the specified temperature accuracy
20
o
C to 22
o
C, 30% to 70% relative humidity, non-condensing
Time required to attain the specified
temperature accuracy of delivered air following
a change in temperature setting
Dual temperature limit thermostats
Either of two independent 53
o
C self-resetting thermostats removes
power from the CWS4000 if the delivered air exceeds a preset limit
temperature.
Heater temperature limit devices
A 98
o
C thermal fuse and 104
o
C self-resetting thermostat protect the
filter from excessive temperatures.
Continuous temperature monitoring guarantees that the temperature of
the delivered air maintains its specified accuracy.
Control system failure alarm
Continuous self-monitoring by the control system ensures that it always
functions predictably.
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