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JJ-CCR ApS 2017

www.JJ-CCR.com

2017 JJ-CCR ApS –  2.00 / Revision 06

13

4 

Assembly of the JJ-CCR

This chapter deals with the basic assembly of the JJ-CCR Rebreather. The equipment is fully assembled at 
the time of delivery. This chapter is primarily intended to show how the basic assembly takes place. At 
the same time, it acts as a guideline for correctly reassembling the equipment if it proves necessary to 
disassemble it for any reason (e.g. transportation for a dive trip).

The base unit of the JJ-CCR consists of a highly 
stable aluminium housing. The guide rails shown 
in the image hold the selected diving tanks in the 
correct position and they are also used to attach 
the tank belts. 

The following image shows how the screw (lock screw M8x30) is inserted in the screw retainer. Both 
screw retainer openings are arranged such that an unintentional loosening of a connection will not 
result in the base unit falling off. The plastic section of the screw forms a galvanic partition between 
the aluminium of the base unit and the rustproof steel of the screw. This prevents corrosion. The wing, 
counter lung and back plate are secured on the screws later.

On the front side it is possible to see two screw re-
tainers and a tube on both the right and left hand 
side respectively.

4.1 

Base unit

   

   

Содержание CE Edition

Страница 1: ...ontent is prohibited without written approval from JJ CCR ApS All information in this document has been carefully analyzed and is believed to be accurate However it is not possible to guarantee its ac...

Страница 2: ...nowledge and practical exercises are the best prerequisites for avoiding accidents Modifications to the equipment result in the CE being voided immediately and it is no longer possible to guarantee a...

Страница 3: ...term health effects 12 4 Assembly of the JJ CCR 13 4 1 Base unit 13 4 2 Handle 14 4 3 Stand 14 4 3 1 Attaching the stand to the base unit 15 4 4 1st stages and hoses 16 4 5 Wing 17 4 6 Back mounted c...

Страница 4: ...6 5 3 Overview of the button functions 42 6 6 The main display 43 6 7 Compass 46 6 7 1 Mark Heading Compass 47 6 8 Menu structure 48 6 9 Menu reference 49 6 10 Turn Off 49 6 11 Calibrate calibration o...

Страница 5: ...2 Compass View Compass 78 6 20 23 Calibrate Compass 79 6 20 24 True North Compass 79 6 20 25 System Setup Overview 79 6 20 26 Date System Setup 79 6 20 27 Clock System Setup 80 6 20 28 Unlock System S...

Страница 6: ...9 2 Shortly prior to diving 102 9 3 Shortly after entering the water 102 10 Diving 103 11 After the Dive 103 12 Cleaning 103 12 1 Quick Cleaning 103 12 2 Complete Cleaning 104 13 Storage 104 14 Maint...

Страница 7: ...ted for controller firmware v21 Dietmar In bnit 04 Updated for controller firmware v27 The compass requires mainboard v3 4 0 or higher Dietmar In bnit 05 Updated for controller firmware v44 CE and Int...

Страница 8: ...n and service The use of easy to obtain parts enabling on site repairs at any time The support of a wide range of tank sizes without requiring any special adjustments to the equipment The supply of fu...

Страница 9: ...unter lungs Redundant power supply One battery for the controller one battery for the HUD and two parallel batteries for the solenoid None of the batteries are integrated into the circuit Integrated A...

Страница 10: ...Trimix 11 65 Soda lime The only supported soda lime is Sofnolime 797 manufactured by Molecular Products Oxygen Cylinder 3 Liter steel cylinder 200 bar Diluent Cylinder 3 Liter steel cylinder 200 bar O...

Страница 11: ...n 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 capabl...

Страница 12: ...additional training increases the over all risk and should only be carried out by trained divers 3 2 6 Visibility During a dive it is essential that the diver can read the information from the setpoin...

Страница 13: ...ing The guide rails shown in the image hold the selected diving tanks in the correct position and they are also used to attach the tank belts The following image shows how the screw lock screw M8x30 i...

Страница 14: ...not change The only difference is the required quan tity of lead on the diver s lead belt The heavy duty stand is secured to the base plate of the base unit with 4 lock screws The stand prevents the...

Страница 15: ...nsert the base plate without applying force and without excessive effort During the next step the four lock screws are in serted into the base plate Afterwards attach the two blocks An arrow is marked...

Страница 16: ...pressure rises to 10 bar and thereby prevents the hoses from rupturing if for example icing up should occur The 1st stage with the DIN 5 8 connection and the black pressure gauge is used for diluent...

Страница 17: ...or the manual sup plemental oxygen valve through the upper opening The special position of the pressure gauges is advan tageous for a number of reasons During the pre dive check they are very easy to...

Страница 18: ...must be fed be tween the harness and the shoulder padding The second strap is then used in order to close the Velcro fastening The straps with Velcro must not be placed over the shoulder padding Count...

Страница 19: ...following images show both correct and incorrect adjustment The right hand image shows the har ness following incorrect adjustment with the equipment sitting too low on the back The left hand image s...

Страница 20: ...e inflator connection with the manual supplemental oxygen valve It is recommended that both hoses be fed to the manual supplemental oxygen valve through the D ring see image In this way the supplement...

Страница 21: ...m of tool for this action It is entirely sufficient for the connection to be hand tight 4 9 Connecting the ADV The hose with the inflator connection is connect ed to the inflator from the wing and the...

Страница 22: ...4 Place the spring pressure plate on the dust filter and tighten the nut un til it is hand tight Then knock lightly all around the outside of the canister in order to level out the soda lime or compa...

Страница 23: ...the black section of the canister in order to level out the soda lime or compact it The nut will usually loosen a little during this process and must be hand tightened again afterwards The pressure p...

Страница 24: ...er and severe damage to the rebreather A leakage in this area will most likely be discovered during the positive and negative pressure test Align the lid such that the stud and the hole in the alumini...

Страница 25: ...lation side and is always connected to the ADV Now connect the oxygen low pressure hose Only tighten until hand tight Connect the breathing hoses to the T piece and ADV It is not possible to connect t...

Страница 26: ...ectly because the two con nection threads are different The connection thread on the inhalation side ADV is clockwise whilst the thread on the exhalation side T piece is anti clock wise Take the HUD a...

Страница 27: ...t ment is completely sealed As such battery problems never arise due to increased moisture which would have been the case within the breathing circuit Furthermore the batteries are not exposed to any...

Страница 28: ...umbered 1 2 and 3 These numbers can be found adjacent to the connection on the lid and above each cell The wiring of the sensors with the connections in the lid must be carried out correctly according...

Страница 29: ...the chapter 6 The JJ CCR Rebreather is supplied as standard with an HUD Head Up Display The HUD functions fully independently of the controller This means that it uses its own DiveCAN bus electronic...

Страница 30: ...ight LED array DiveCAN cable Column 1 Sensor 1 Column 2 Sensor 2 Column 3 Sensor 3 Red LED is blinking Green LED is on solid All other LEDs are off A blinking LED is drawn with lines emanating from it...

Страница 31: ...ns A typical rebreather PPO2 setpoint will be about 0 7 to 0 8 for the low setpoint and 1 2 to 1 3 for the high setpoint Therefore when the loop is at setpoint you will expect to see 2 to 3 blinks per...

Страница 32: ...button once The HUD will also turn on automatically if the wet contacts detect water After turning on each LED will light up briefly Use this time to verify that each LED including the buddy warning...

Страница 33: ...rating the controller It is recommended that the HUD and con troller always be calibrated at the same time The complete calibration sequence is 1 Open the valve on the oxygen tank 2 Open the mouthpiec...

Страница 34: ...s fail This indicates which sensor is faulty See above for troubleshooting Do not dive unless all sensor are functional The following table shows alarm and error messages related to a failed calibrati...

Страница 35: ...Turn the HUD on by pressing the button once 2 Press once to enter 1st command column TURN OFF 3 Press again to advance to 2nd command column CALIBRATE 4 Press again to advance to 3rd command column M...

Страница 36: ...below 1 0 e g 0 7 3 lower middle blinks Below 0 4 Bottom row blinks once for each 0 1 below 1 0 e g 0 2 8 bottom row blinks 5 3 11 Flip orientation The orientation can be flipped so that the HUD can p...

Страница 37: ...to ensure that the DSV can be opened and closed with ease The manual supplemental oxygen valve feeds oxygen into the breathing circuit The longer the button is depressed the more oxygen is supplied t...

Страница 38: ...e display to the respective ambient light One piezo button is situated to the left and one to the right respectively The complete operation takes place using these two buttons The piezo buttons used h...

Страница 39: ...ensors adjustable Gas change and gas adjustments possible underwater at any time Very simple to change from a closed to an open circuit BO bailout mode Low and high setpoint can be defined between 0 4...

Страница 40: ...en board OBOE The SOLO and OBOE board are completely independent and each board is powered by its own power supply The SOLO board power source are the two 9 volt block batteries where as the OBOE boar...

Страница 41: ...the left button in order to move from the Switch Setpoint menu to the Select Gas menu If one is in the Select Gas menu then pressing briefly on the left button will switch to the next gas For divers a...

Страница 42: ...cription Press both buttons simultaneously The controller is turning on Info After 45 minutes the controller switches off again automatically Left MENU If one is in the main display then pressing on t...

Страница 43: ...able during a dive 3 metres per minute 12 metres per minute 6 metres per minute 15 metres per minute 18 metres per minute With more than 18m min the entire block will flash red 9 metres per minute The...

Страница 44: ...from the three oxygen sensors A deselected sensor is displayed in yellow and is not taken into account in the calculation of the average PPO2 PPO2 values below 0 4 or above 1 6 flash in red Battery O...

Страница 45: ...n white If another gas is programmed in the respective mode CC or BO which should usually be used at the current depth then the active gas will flash in yellow This indicates that the user should eith...

Страница 46: ...pass menu and takes only one minute When the battery is changed the compass should be calibrated This is because each battery has its own magnetic signature mostly due to its steel case that interacts...

Страница 47: ...marked at a time it can however be changed Once a heading has been marked there is no way to clear the heading arrows from the display When a heading is marked the display shows the offset angle betwe...

Страница 48: ...he user is in a menu and does not press either of the two buttons for an extended period then the controller will exit this menu and return to the main display Settings that have been changed during t...

Страница 49: ...ler is essentially put into standby mode in which it uses very little power In the background the tissue saturation is still being calculated for example catchword Repetitive dives Likewise the time a...

Страница 50: ...ion Calibrate O2 In countries in which 100 oxygen is not available it is naturally necessary to use the respective oxygen content The controller does not stipulate the individual steps during calibrat...

Страница 51: ...all three sensors The same display is also possible if the calibration is erroneously carried out in air The PPO2 values are only displayed once again after successful calibration In dive mode the men...

Страница 52: ...the oxygen sensors should be replaced 6 11 2 Checking calibration during a dive 6 12 End Dive Within the Advanced Config menu you can specify for how long the controller will stay in the dive mode aft...

Страница 53: ...n display and the current gas is now shown in the footer The JJ CCR controller enables the definition of 5 different gases in closed ciruit CC and open circuit BO bailout mode respectively The gases c...

Страница 54: ...e BO is shown in yellow because the controller should usually be in CC mode If the diver switches to open circuit BO bailout mode then the gas best suited at that time to being used as a breathing gas...

Страница 55: ...ing once on the left button Next the diver is now able to display the next submenu 6 16 2 High SP High Setpoint Using this menu item it is possible to set the high setpoint The high set point that is...

Страница 56: ...gen and 0 helium are automatically hidden in the Select Gas menu The gases can also be adjusted underwater Pressing the left button Next Gas results in the next gas being displayed The gases are numbe...

Страница 57: ...t back to 0 again Pressing the right button Next once takes the diver to the units digit Upon arriving at the units digit for the helium content it is possible to save the gas data by pressing the rig...

Страница 58: ...r planning simple dives Multi level dives are therefore not supported Furthermore the following assumptions are applied to the calculation Descent rate is 18m min and the ascent rate is 10m min For op...

Страница 59: ...t of the number is changed at a time The hundred s are always changed first Pressing the left button Change results in the displayed digit being increased by 1 After the digit has reached 9 it will re...

Страница 60: ...CC mode it is possible to press the right button Plan BO when viewing the sum mary in order to start the calculation of a bailout plan The bailout plan is generated in open circuit BO bailout mode an...

Страница 61: ...und on the internet The article by Eric C Baker can be rec ommended in particular If the settings are to be changed edit mode then it is necessary to push the right button Edit Pressing the right butt...

Страница 62: ...this belief the computer will give one MISSED DECO STOP message during the dive and one after the dive and will flash the stop depth and time in red as long as you are above the stop depth It will us...

Страница 63: ...y that may be an acceptable risk Another use might be to do a slower ascent on a dive to sightsee but to stay in the decompression zone by keeping the gradient above 0 Another use would be to observe...

Страница 64: ...submenus for the controller s dive logbook Via this menu item it is possible to display the controller s dive logbook Pressing the right button Display results in the list of saved dive logs The dive...

Страница 65: ...ot display on the con troller or desktop software However logs can still be undeleted or downloaded with special commands Reason for the ability to recover logs is in the case of a diving accident whe...

Страница 66: ...the number 35 6 18 3 Restore Mode Off With this menu item it is possbile to recover deleted dive logs Setting this to ON allows either a Restore All Logs option or restoring individual logs View the l...

Страница 67: ...easily prior to the dive If necessary it is also possible to make adjustments underwater via the dive setup menu as previously described It is essentially irrelevant whether settings are adjusted in t...

Страница 68: ...possible values are 0 4 to 1 5 By pressing the right button Save the current value is saved and the user switches to the next entry The current entry is marked with a u 6 20 3 Low Setpoint Mode Setup...

Страница 69: ...he optional VPM B VPM B GFS algorithm is enabled Please refer to chapter 7 for a detailed description Using this menu item it is possible to set the conservatism for the calcu lation of the decompress...

Страница 70: ...st decompression stop It is possible to set the last decompression stop at either 3 or 6 metres By pressing the right button Edit the user accesses the edit mode In order to change the settings it is...

Страница 71: ...once takes the diver to the units digit The sequence in which the gases are input is irrelevant In the Select Gas menu all available gases are always displayed in order according to their O2 content...

Страница 72: ...pressing the right button Edit the user accesses the edit mode The u sym bol moves to gas number 1 By pressing the left button Next it moves to the next gas number By pressing the right button Edit it...

Страница 73: ...r the gas can be adjusted at any time The gases set are used for the projection of the total Time To Surface TTS It is therefore essential to define only those gases that are actually available Decomp...

Страница 74: ...ble to activate or deactivate the automatic switching of the setpoint In addition it is possible to set the depth at which a switch from the low to high setpoint should take place e g when descending...

Страница 75: ...con troller switches from the high to low set point The process of implementing the setting is identical Permissible values are 2 999 metres In the image to the left the controller will switch automat...

Страница 76: ...ia this menu item it is possible to switch the depth between Meters and Feet 6 20 17 Temp Units Display Setup Using this menu item it is possible to set the brightness of the display Pressing the righ...

Страница 77: ...for decompression and with the calibration of the O2 sensors Mode Description Auto The brightness sensor measures the ambient light and automatically adjusts the brightness of the display Low Permanen...

Страница 78: ...60 so this may seem the most natu ral The 90 or 120 setting can be used to see a wider range Like any magnetic compass there are some limitations Understanding these limitations will help ensure accu...

Страница 79: ...ompass Press calibrate and then rotate in as many 3D orientations as possible for 15 seconds Upside down sideways on edge etc Calibrate the compass before first use Calibrate the compass after every b...

Страница 80: ...ressing the right button Unlock displays a line with numerous 0 Pressing the left button Change facilitates changing the current character Possible numbers and letters are 0 9 and A F Pressing the rig...

Страница 81: ...Battery Info provides some additional information about the controller battery This option shows some additional system information Info Description Serial The controller s serial number Features The...

Страница 82: ...Dive menu option has been added Chapter 6 12 This is the first menu option when the controller is still in dive mode and when the diver is at the surface 6 20 35 End Dive Delay Advanced Config 1 The b...

Страница 83: ...n the current gas is displayed in yellow are determined by this value If you change this value please understand its effect For example if lowered to 1 50 then oxygen 99 00 will not assumed at 6m The...

Страница 84: ...ithm This feature is comparable with the slow and fast solenoid setting which was available on the classic JJ CCR Shearwater Predator based controller The setting is edited on the controller but are s...

Страница 85: ...The CNS saturation is calculated constant ly also at the surface and even if the computer is switched off AvgPO2 BO Mode Indicates the average PO2 of the breathing gas If the value is lower than 19 or...

Страница 86: ...ann ZHL 16C model Note that VPM B also tracks tensions in the same way The fastest tissue compartment is shown on the top and the slowest on the bottom Each bar is the combined sum of the nitrogen and...

Страница 87: ...is almost empty and requires replacing If the value is displayed in red then the battery voltage is critical and the battery should be replaced immediately CC and BO mode Surf Shows the surface pressu...

Страница 88: ...ashes Alarm and error messages Description Cell Warning If the measured value of an O2 sensor exhibits too high a deviation then this is excluded during the calculation of the average PPO2 necessary f...

Страница 89: ...in a safe range but if the diluent is unsafe to breathe directly then the gas will be red Note that other warn ings exist to warn when the breathing loop is outside of a safe range High PPO2 The high...

Страница 90: ...th comparable values are not available It is therefore not possible for the controller to determine which value is correct and the actual PPO2 is thus unknown In this instance the average PPO2 is calc...

Страница 91: ...same dive an identical problem should once again arise then it is not necessary to confirm this again see second image The PPO2 values and the Solenoid warning flash in red Fast Ascent The Fast Ascen...

Страница 92: ...Watchdog Reset This alarm happens when the controller does not complete all of its tasks in the time allowed It can happen occasionally from a transient prob lem like a battery bounce after an impact...

Страница 93: ...se refer to chapter 6 24 1 for more information 5 Reinstalling the battery cap It is very important that the battery cap O ring is clear of dust or debris Carefully inspect your O ring for any debris...

Страница 94: ...ts option This will then prompt if you want to reset the settings only the tissues only or both Corruption A 32 bit cyclic redundancy check CRC is used to verify the integrity of the tissues each time...

Страница 95: ...rged batteries immediately and do not store your controller for more than 2 months with an alkaline battery installed 1 5 V Photo Lithium Fairly common but more expensive than alkalines They provide a...

Страница 96: ...her Bluetooth drivers such as those from Toshiba do not work with the software Apple Mac All Apple Macs have an integrated Bluetooth interface that can be used for the firmware update The USB Bluetoot...

Страница 97: ...oller automatically starts up again The controllers displays a messaage stating either firmware upgrade succuss or failure After that is displays a warning that all decompression tissues has ben clear...

Страница 98: ...gases simultaneously The currently active gas is displayed with a white background The gases are sorted from highest to lowest oxygen content If two gases have the same oxygen content then the gas wit...

Страница 99: ...JJ CCR controller The unlock code for the VPM B must be purchased as an option The VPM B calculations on the JJ CCR controller run every 5 to 10 seconds This means the JJ CCR controller will best matc...

Страница 100: ...5 Model Conservatism VPM B The adjustable conservatism is from 0 to 5 Higher num bers create more conservative longer decompression profiles The most aggressive setting is 0 and the most conservative...

Страница 101: ...ways check that the DSV shutter valves are functioning correctly in the breathing hose 8 Open both tank valves and check the tank pressure 9 Check the medium pressure of both first stages The diluent...

Страница 102: ...Close both tank valves Step Description 1 Open both tank valves and check the tank pressure 2 Check the manual supplemental valves and the ADV 3 Check the wing inflator 4 Check the DSV Dive Surface V...

Страница 103: ...steps after every dive It is possible to carry out quick or complete cleaning of the JJ CCR Rebreather Quick cleaning is completed rapidly and can also be carried out between two dives The following...

Страница 104: ...d the soda lime canister must be emptied In order to prevent the penetra tion of living creatures and or other foreign particles the equipment must be assembled for storage Ensure that the DSV Dive Su...

Страница 105: ...the parts have not been replaced at an earlier date during maintenance then they must be replaced no later than upon reaching this date Exceptions here are the oxygen sensors In this case a service li...

Страница 106: ...being disassembled for cleaning Complete cleaning should take place shortly after the dive and no later than 12 hours afterwards If used within chlorinated water swimming pool it has to be cleaned wit...

Страница 107: ...Breathing circuit Replace all O rings at the connections with the T piece and ADV This applies to the breathing hose with the DSV and the two breathing hoses from the lid DSV Dive Surface Valve Excha...

Страница 108: ...2017 JJ CCR ApS 2 00 Revision 06 108 THIS MANUAL IS PRODUCED BY JJ CCR ApS WE ARE PROUD OF BEEING THE REBREATHER MANUFACTURER OF YOUR CHOICE OUR TEAM INTEND TO SUPPORT YOU AS MUCH AS THEY CAN IN ORDE...

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