Hoffrichter CARAT I, Руководство по обслуживанию

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5.5.4 TUBE COnnECTIOn
The tube connection completes the manifold. It comprises of the connection for the inspiration tube
(22M), the connection for the expiration tube (22F), the connection for the pressure tube (Ø 3.5 mm)
and the connection for the control tube (subminiature coupling with bayonet connection [for one-
line circuit]).
The Printed Circuit Board (PCB), for the electrical connector of the oxygen measurement cell, is also
mounted on the tube connection.
5.6 OxygEn MAnIFOLD
The oxygen manifold comprises of a 3/2-way valve and a synthetic manifold. This manifold makes
sure that oxygen only goes into the inspiration sector during inspiration. If there is a feed of oxygen
when respiration is switched off, this is vented to atmosphere through an exhaust port, for safety
reasons. According to the flow, this emission is accompanied by an emission noise. This is not a
malfunction, but a safety device.
The initiation of oxygen into the machine is through a quick-release coupling.
5.7 FILTER CARTRIDgE
The filter cartridge accommodates both of the filter pads (coarse filter [black] and fine filter [white]).
5.8 POwER SuPPLy
A switching power supply, with a wide-range power input of 100 - 250 V AC (-20 %/+10 %) /
50 Hz - 60 Hz and an output voltage of 24 V DC / 5 A, is used.
5.9 HAnDLE MECHAnISM
The handle mechanism comprises of an anodized aluminium handle that serves as a means of car-
rying. Furthermore, the handle mechanism has 2 handle levers (right and left), 2 covers (right and
left) as well as 2 catches.