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This Guide is made available for the express use of owners and users of the Dive Lab XLDS systems.
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Document XLDS Guide – Section Three
Revised July 17, 2019
6
SECTION THREE: CONFIGURATION AND USE
Rapid Deployment Air Control
Console
The breathing gas control console regulates and
controls the divers breathing air as well as
pneumofathometer air for depth sensing. Both
the two and three diver console (RDC-2, RDC-3),
have one complete circuit for each diver laid out
in a simple fashion, and the components used in
each console, are the same. The Supply to each
diver’s circuit, starts with a VCO O-ring fitting, or
# 4 37° JIC fitting, attached to a stainless steel
Street “T”, connected to each divers pressure
regulator. The regulator is rated for a maximum
inlet supply pressure of 5000 PSIG, and a
maximum outlet pressure of 400 PSIG. Reduced
air pressure passes through a one-way valve,
allowing air to only travel into the Manifold. Each
manifold assembly contains a 0-600 PSIG,
reduced pressure gauge, Pneumofathometer
supply valve, relief valve (set to relieve between
390-400 psig), and diver supply valve. Each
manifold has a 1/2" NPT, 1/2"-20, and 3/8”-28
straight thread gauge calibration port, and a main
supply cross connect, which allows intermediate
air from either circuit, to be lined up to the other
divers reduced pressure circuit(s). Each diver’s
low-pressure (ALP) supply valves, are quick acting
quarter turn valves. The
manifold is the
foundation, that holds all gas train components,
and secures to a 1/2” thick high density
polyethylene plastic foundation plate, that is
through bolted to the console box, making the
piping system secure.
The pneumofathometer gauges on the 2
and 3
Diver Console, are mounted in the console lid,
along with or without an installed diver intercom
(Optional). The 3 Diver Console can be equipped
with several different diver intercom units
(optional), but does not have a diver intercom
integrated into box. Both 2 and 3 RDC’s are
normally equipped with index locking quick
connect
fittings,
for
attaching
the
pneumofathometer and breathing air supply
Umbilicals.
XLDS System Restrictions
The XLDS with 1/4" umbilicals and diver worn
manifold compensating system, has a normal
umbilical restriction, to a maximum length of 330’
(100 meters). Special custom hoses can be
manufactured on a case by case basis, with
certain depths limitations.
When RDC-2 or 3 is used as a standard control
console with 3/8” umbilicals, umbilical length
should be restricted to 600’ (200 meters) or less,
and a maximum diving depth of 220 fsw.
The
system must only be operated and used within
the guidelines of this user guide, and the
operation specifications described in this guide.
XLDS RDC-3
XLDS RDC-2
