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closed circuit rebreather fx ccr
by iQsub
fx
FX CCR the CHESTmount ccr rebreather of iqsub
FX-CCR Rebreather
FX CCR Rebreather in GREECE
A CE-certified, chest-mounted, mixed-gas rebreather designed for recreational and technical diving to depths of up to 100 meters.
It is made with a user-friendly, durable design that offers a very low weight, flexible, durable design that offers a very low weight,flexible configuratio, exceptional reliability and very easy maintance.
The unit is so light that it floats on the surface, making it easy to rig before diving and remove afterwards.
FX CCR Rebreather
The features that make the difference...
MAIN PARTS
BODY
SCRUBBER
ELECTRONICS
CASE
BATTERIES
HUD
Overview o
f the main parts
The FX CCR unit consist of:
⚙️ Horizontally mounted canister with the radial scrubber and water trap
⚙️ FX-head with the Shearwater control electronics, solenoid and three O2 sensors
⚙️ Primary Controller Handset and Head-Up Display
⚙️ Battery container that powers the control electronics, solenoid and Head-Up Display
⚙️ 3D-Shaped and easily removable Counterlungs
⚙️ FX Case made of Cordura
⚙️ Oxygen MAV - the manual adding valves
⚙️ Diluent MAV with Shut-off valve and QC6 coupler
⚙️ Inhale L-piece with integrated ADV
⚙️ Silicone Breathing Hoses
⚙️ BOV Shrimp
FX CCR Body- Canister
The FX Canister is made of white Derlin. It has a sealing O-ring and the inner locking groove at each its end for attaching and locking the FX Head and Canister Lid.
The red mark on the canister indicates where the bayonet connector on the lid or head should be positioned. The FX Canister is placed horizontally in the case and secured with a Velcro strap to the canister holder at the bottom of the case.
The Canister carries the Scrubber, the FX-head and the Canister Lid.
The Canister Lid features a small built-in water trap that prevents water from entering the scrubber.
The Head and Lid are secured in the Canister by the plastic string (2.4mm square profile) that is inserted throught the oval hole at the edge of the Canister (near the red mark).
Radial Scrubber
The FX CCR unit is standardly equipped with the Radial Scrubber placed in the FX Canister.
The Radial Scrubber has capacity 2.3 kg of soda lime and the operating time is up to 4 hours even in extreme conditions such as cold water (4° C) and depths over 100m.
Scrubber consist of the outer and inner tubes made of very finely perforated stainless steel sheet. The robust scrubber bottom holds the both tubes together and is equipped with a folding handle for easy and safe removal of the scrubber from the Canister. At the bottom of the scrubber is a central hole with a short tube for injection and dispersion of oxygen coming from the solenoid.
The scrubber is closed by the Scrubber Lid secured by a nut with robust thread.
The Scrubber Lid is equipped with a spring loaded plate in order to ensure self packing feature - the spring loaded plate ensuring sustained compression of the soda lime to protect against gas channeling (bypassing the soda lime)
The Scrubber Lid has a folding handle for easy removal of the lid from the scrubber.
When a scrubber is filled properly and the locking nut is tightened by hand, the lid's compressed plate sits flush with the top ring of the scrubber.
Control Electronics
The Control Electronics (Shearwater SOLO board) is built in the hermetic compartment inside the head.The SOLO board uses ppO2 readings from three O2 sensors to automously maintain the ppO2 in the breathing loop in accordancewith current chosen setpoint.
Modular design compartmentalizes critical functions for redundancy. The Solenoid and Oxygen electronics (on the SOLO board) can measure and inject oxygen independently of the Primary Controller handset even in case that the handset or its cable is unplugged or damaged while the SOLO board continues to control loop PPO2 until the diver is surfacing.
The control electronics uses the DiveCAN, a digital communication standard developed by Shearwater Research Inc. specifically for rebreathers for robust errors-checked communications, when a message is either received correctly or it isn't received at all. The DiveCAN is easily upgrdable and expandable.
PPO2 reading output from all three oxygen sensors are electronically separated one from another as well as the PPO2 reading outputs to the Primary Controller Bus and the Secondary Monitoring Bus are electronically separated one from another. The SecondaryMonitoring Bus is independent on the Primary Controller Bus and provides backup PPO2 monitoring in the event of a failure on the Primary Controller.
A fault or short circuit on any sensor or one connected device, it does not affect the remaining ppO2 readings on the working device.
The Primary Controller handset, the Head-Up Display or NERD2 are connected via watertight connectors rated up to 300m depth.
The connectors allow flexible connection of the controller and monitoring devices as well as easy disconnection of the devices for travel, upgrades and repair.
FX Case
The FX Case holds all parts together and allows the unit to be attached to the diver's body. The case is a soft bag made of Cordura 2000 and covers the FX Canister with FX- head, Battery Container and Counterlungs. The case carries on the outside the on-board oxygen cylinder 2L/300bar with 1st stage regulator, breathing hoses and clamping carabiners.
Battery Container
The FX unit is powered by batteries located in the Battery Container, which is connected to the FX-head via a cable with the watertight connector. The Battery container contains two independent, easily replaceable and rechargeable Li-lon 18650 batteries that power the control electronics board, solenoid and Head-Up Display.
The Battery #1 supplies the Solenoid, the Battery #2 supplies the Head-Up Display.
The batteries are easily accessible via the battery caps. The correct battery polarity is displayed on the top of the container. The Battery container is placed on top of the canister and secured with a Velcro strap that holds the canister in place. The container has two grooves on the bottom that fit over the center collars of the FX canister. Provide power supply of the control electronics board.
Head-Up Display
The Head-Up Display (HUD)is compact Shearwater DiveCAN HUD with PPO2 monitoring on three O2 sensors.
The main feature of the Head-Up Display is to show the current status of PPO2 in the breathing loop as well as PPO2 alarms to the diver.
The HUD has wet contacts for automatic turning on when entering water. The HUD is power supplied by the battery #2 in the CCR head.
The HUD is connected to the control electronics in the CCR head via a robust, durable and very flexible cable with the X- connector, made of AISI 316L rated up to 300m depth and marked with a BLUE ring.
The HUD is placed in a two way adjustable holder located on the SM BOV Neo or SM DSW.
| Characteristics | iQsub FX CCR | Other Chest Mounts CCR |
|---|---|---|
Scrubber |
Radial Scrubber |
Usually Axial |
Control System |
Full eCCR |
Often mCCR or simple PPO2 monitors |
Counterlungs |
Dual Counterlungs |
Often Single lung or external bags |
Bail Out Valve |
Shrimp BOV |
Often optional or manual DSV |
Gas Connection |
Click Lok Quick |
Standard threaded or friction- fit hoses |
Electronics |
Digital Bus |
Standard Analog or single-wire systems |
WOB |
Low WOB |
Can be restrictive at high respiratory rates |
Weight |
10kg (Travel Friendly) |
7-12 depending from the model |
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