![JJ-CCR CE Edition Скачать руководство пользователя страница 11](http://html1.mh-extra.com/html/jj-ccr/ce-edition/ce-edition_user-instructions_2018669011.webp)
JJ-CCR ApS 2017
www.JJ-CCR.com
2017 JJ-CCR ApS – 2.00 / Revision 06
11
1
st
stage ”oxygen”
CE Edition - Connection: M26x2 - medium pressure: 7.0 to 7.5 bar
International Edition - Connection: DIN 5/8” - medium pressure: 7.0 to 7.5 bar
1
st
stage ”diluent”
CE Edition - Connection: DIN 5/8”- medium pressure: 9.0 to 10.0 bar
International Edition - Connection: DIN 5/8”- medium pressure: 9.0 to 10.0 bar
Oxygen control
Two oxygen setpoints (low and high). Can be switched
as many times as required, also changeable under water.
Oxygen setpoint range
From 0.4 to 1.5 bar (low and high)
Oxygen warnings
Low 0.4 bar
High 1.6 bar
Oxygen sensors
3 galvanic cells (type: R17JJ-CCR) - Output: 9-13 mV
Shelf live: 3 months / Max. operating life 12 months after installation
Operating temperatures
When diving:
+4°C to +34°C
Short-term (air):
-10°C to +50°C
Long-term (storage)
+5°C to +20°C
3.2.1 Vertical head down position
The JJ-CCR does not meet the requirements of EN 14143 section 5.6.1.4 (Hydrostatic imbalance test)
with a pitch of -90 degrees (Vertical head down position). A vertical head down position during a dive is
an extremely unusual position for a diver and normally never used when not absolutely necessary. Within
a vertical head down position an unintentional activation or freeflow of the ADV can possibly occur. To
avoid it when the diver is forced to a vertical head down position he can close the in line shut-off valve
on the ADV and use the manual diluent adding valve to maintain an optimized loop.
3.2.2 Temperature conditions
The JJ-CCR is intended for use on dives involving low to moderate work rates (E.g. normal recreational
and technical diving activities). Although it is capable of sustaining divers operating with high work rates,
this is not its intended purpose. At higher work rates the divers needs to take into account a reduced en-
durance. This is caused by a higher oxygen consumption and a higher CO2 production which will reduce
the running time of the soda lime. Additionally the diver needs to take into account, that a higher work
rate can have an impact on the decompression and some additional safety margin should be added. Each
body of course is different and reacts differently. Therefore it is not possible to specify exact numbers.
3.2.3 Work rates
The JJ-CCR uses high pressure oxygen as one of its supply gas mixtures. The related parts has been cleaned
and prepared specifically for use with high-pressure oxygen. The diver must taken special care. Especially
when filling the oxygen cylinder. Very important is a proper maintenance and oxygen-compatbile cleanless
for all components exposed to high-pressure oxygen. Service and/or repair work for components exposed
to high-pressure oxygen must be carried out by the manufacturer or by a service centre approved by JJ-
CCR ApS. Failure to comply with these instructions could lead to an oxygen fire and may cause serious
injury or death.
3.2.4 High-pressure oxygen
The operating temperature for the JJ-CCR is between a minimum of 4
°
Celsius, and a maximum of 34
°
Celsius. Operation at temperatures outside of this range may lead to unreliable function.