DUI BLUEHEAT™ OWNER’S MANUAL
Congratulations on purchasing a DUI BlueHeat™ System. It has been carefully
manufactured to exacting standards using high quality materials.When
properly used, it will make your diving more comfortable and enjoyable. DUI’s
BlueHeat™ is intended for use by certified divers trained in the use of
drysuits, or individuals under the direct supervision of a qualified instructor.
Even if you are experienced with the use of other electrically heated products,
it is the users responsibility to read and follow the information contained in
this manual. It includes many important safety techniques and information that
can help you extend the useful life of your BlueHeat™ System. Failure to
follow the information contained in this manual and information attached to
BlueHeat™ products may result in serious injury or death and will void all
product warranties. Diving Unlimited International, Inc., it's distributors and
agents shall not be liable for any injury, death or damages as a result of a user
failing to follow the instructions contained in this manual.
If the owner’s manual is unavailable or lost, you can download a copy from the
DUI website at www.DUI-Online.com or a copy may be obtained by
contacting DUI at:
DIVING UNLIMITED INTERNATIONAL, INC.
1148 Delevan Drive
San Diego, CA 92102-2499 USA
800-325-8439
619-236-1203
619-237-0378 Fax
Support@DUI-Online.com
Manual Part# 292245
Meets EN 14225 part 3
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TABLE OF CONTENTS
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Intended Use and Function of the BlueHeat™ System . . . . . . . . . . . . . . . . . . . . . . . . . .7
Liner Size Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
BlueHeat™ System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
BlueHeat™ Smart Battery System (SBS™) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
SBS™ Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SBS™ Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
SBS™ Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Valve Port Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
BlueHeat™ Liner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Accessory Wiring Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Dive Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Pre Dive Check and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Diving the BlueHeat™ System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Emergency Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Post Dive Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Why LiFePO4 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
O-ring Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Responsible Diver Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
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DEFINITION OF IMPORTANT WORDS USED
IN THIS MANUAL
Throughout this manual, we will use certain words to call your attention to
conditions, practices, or techniques that may directly affect your safety. Pay
particular attention to information introduced by the following signal words:
!!! DANGER !!!
Indicates an imminently hazardous situation which, if
not avoided, will result in death or serious injury.
!! WARNING !!
Indicates a potentially hazardous situation, which if not
avoided, could result in death or serious injury.
! CAUTION !
Indicates a potentially hazardous situation, which, if not
avoided, may result in minor or moderate injury. It may
also be used to alert against unsafe practices.
CUSTOMER SUPPORT
If any portion of this manual is unclear, or if you are unable to obtain
satisfactory answers from your dive store or instructor, contact DUI at:
800-325-8439
619-236-1203
Fax 619-237-0378
Support@DUI-Online.com
www.DUI-Online.com
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IMPORTANT SAFETY INFORMATION
!!! DANGER !!!
The BlueHeat™ liner, accessory gloves and socks are
designed to be used in a dry environment under a
drysuit. In the event the drysuit becomes flooded, the
entire BlueHeat™ System should be turned off.
!!! DANGER !!!
Never use the BlueHeat™ liner, accessory gloves or
socks under a wet suit or semi-dry suit.
!! WARNING !!
Follow all instructions and safety precautions. Improper
use or misuse of the BlueHeat™ System could result in
serious injury or death.
!! WARNING !!
Improper use or abuse of the BlueHeat™ System in
combination with a drysuit could result in loss of
buoyancy control, including uncontrolled descents and
uncontrolled rapid ascents, resulting in drowning,
decompression sickness, air embolism, injury or death.
!! WARNING !!
Improper use or abuse of the BlueHeat™ System could
result in exposure to thermal hazards, including
rapid body overheating (hyperthermia) or
cooling (hypothermia), resulting in stroke or seizure,
injury or death.
!! WARNING !!
Improper use or abuse of this BlueHeat™ System could
result in burns.
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!! WARNING !!
Ice diving (diving in water 40°F (5°C) or less) is
extremely hazardous. Do not engage in ice diving
unless you have been thoroughly trained
and specially equipped.
Read this entire manual before using the BlueHeat™ System even if you have
experience using other heated systems. Keep the manual for future reference.
If you resell or loan the BlueHeat™ System to someone, be sure that this
manual accompanies it and that it is read and understood before the
BlueHeat™ System is used.
Failure to follow all warnings and instructions for use and maintenance of the
BlueHeat™ System may result in serious injury or, in extreme situations,
death.
This manual is supplied to the original purchaser of a BlueHeat™ System. If
you have any questions about the use or maintenance of your BlueHeat™
System, or if you need another copy of this manual, contact DUI:
Diving Unlimited International, Inc.
1148 Delevan Drive, San Diego, CA 92102-2499 USA
800-325-8439
619-236-1203
619-237-0278 Fax
Support@DUI-Online.com
www.DUI-Online.com
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IMPORTANT SAFETY PRECAUTIONS
BLUEHEAT™ AND DRYSUIT GUIDELINES
The BlueHeat™ System is designed to be used under a drysuit.The following
drysuit safety practices should be followed.These safety practices have been
adopted and endorsed by several manufacturers of drysuits, including DUI:
• Complete a drysuit diving course from an instructor and stay current by
practicing your skills often.
• Use a buoyancy compensation device for surface flotation and back up.
Never use a drysuit as a buoyancy device.
• Know your equipment and emergency procedures.
• Practice your drysuit diving skills under controlled conditions until they
become second nature.
• Dive with a dive partner who understands your drysuit system.
• Use the correct amount of insulation for the water temperature in which
you are diving and exercise rate.
• Do not weight yourself heavier than neutral buoyancy with an empty tank.
Your weighting should allow you to make a safety stop at ten feet upon
completion of your dive with a tank containing 500 psi (34 Bar) of air or
less.
• Check your valves, zipper and seals before each dive.
• Perform preventive maintenance and repairs on your drysuit and valves
regularly, or have them serviced by a qualified individual.
• Know your limitations and do not exceed them.
• Water or air temperatures below 70°F (21°C) constitute cold water diving.
• Water or air temperatures below 40°F (5°C) constitute ice diving. Ice diving
is very dangerous and requires special training.
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INTENDED USE AND FUNCTION OF THE
BLUEHEAT™ SYSTEM
DUI’s BlueHeat™ System is designed to provide the diver with supplemental
heat greatly extending the divers comfort range.The BlueHeat™ liner,
accessory gloves and socks provide a very minimal amount of insulation when
not energized and therefore the liner and accessory socks are designed to be
used in combination with standard drysuit insulated undergarments that are
suitable for the diving environment.
LINER SIZE CHART (INCHES)
Liner Sizing
Height
Chest
Waist
Hips
Spine to Wrist
Floor to Crotch
XS
64-67
32-34
30-31
29-31
27-28
32-33
S
66-69
35-37
33-35
32-34
28-29
33-34
M
68-71
38-40
36-38
35-37
29-30
34-35
L
70-73
41-43
39-41
38-40
30-31
35-36
XL
72-75
44-43
42-44
41-43
31-32
36-37
XXL
74-77
47-49
45-47
44-46
32-33
37-38
BLUEHEAT™ SYSTEM OVERVIEW
The BlueHeat™ System is intended to provide the diver with supplemental
heating (active insulation), extending the diver’s comfort range.The
BlueHeat™ System is not intended to be a replacement for insulated
undergarments.
BlueHeat™ System consists of the following:
• Smart Battery System (SBS™) - Housing, Battery & Controller
• Liner
• Port and Bulkhead Connector
• Smart Charger
• O-ring Kit
• Carrying bag
BlueHeat™ System Accessories
• Gloves
• Socks
• Wiring Harness for Accessory Gloves & Socks
• Replacement Battery Pack
• Replacement Charger
• Lights
• O-ring Kit
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BLUEHEAT™ SMART BATTERY SYSTEM (SBS™)
The BlueHeat™ Smart Battery System is built around a Lithium Iron
Phosphate (LiFePO4) core battery pack. Its capacity is 12.8 Volts, 12.5 Ahr
(Amp-hour) or 160 Wh (Watt-hr). See the appendix for more detailed
information on the LiFePO4 battery.
SBS™ Physical Canister Properties
• Height 13-1/2” (34.3 cm)
• Width 5-3/4‘’ (14.6 cm) at the latches and 4-1/4” inches (10.8 cm) overall.
• Depth 3-5/8” inches (9.2 cm)
• Weight 9-1/4 lb (4.19 kg)
• Weight in fresh water negative 2-3/8 lb (-1.07 kg)
• Maximum operating depth 410 ft (125m)
SBS™ Materials
• Cap: Anodized aluminum.This System may be used in an air environment.
• Canister: Glass filled polycarbonate
SBS™ ports on cap (See FIG. 1)
• BlueHeat™ garment & accessory port:The garment & accessory port is 4
pin EO style female wet connect connector on a 36” (91 cm) cable.
• Controller Port: Dry connector.The controller should only be removed from
the SBS™ cap outside the water. After removing the controller, remember
to install the port plug on the SBS™ cap and on the controller connector.
Failure to use the port plugs will result in flooding the housing.
• Accessory Light Port: Dry connector.The light head should only be removed
from the SBS™ cap outside the water. After removing the light head
remember to install the port plug on the SBS™ cap and on the light head
connector. Failure to use the port plugs will result in flooding the housing.
• Secondary Power Port: A 12 volt port is provided for ganging or daisy
chaining more than one battery canister together to extend the range of the
dive.This port can be equipped with a common EO connector which will
allow connecting multiple SBS™ canisters. (Custom ordered from DUI)
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FIG. 1
Mounting the SBS™ Canister (See FIG. 2)
• The SBS™ housing is equipped with three 2 inch (50 mm) belt slots to
facilitate different mounting options.
• Using the top slot, the SBS™ can be mounted on your waist belt as in a
typical canister light.
• Use any of the slots on the SBS™ with your BC’s tanks strap(s).
• Three mounting slots allows for the greatest flexibility when mounting to
single and twin cylinders and CCRs depending on your configuration.
FIG. 2
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Opening the SBS™ Canister
1.The SBS™ should be dry and free of moisture before opening it.The
SBS™ should only be opened in a dry environment.
2. Undo the two locking stainless steel latches
3. Pull the SBS™ cap off by using your hands and applying even force. Be
careful not to pull on the wires between the battery pack and SBS™ cap
once open.
4. Disconnect the battery pack from the SBS™ cap.
5. Be careful not to damage the O-ring, O-ring surfaces on the cap and/or
sealing surfaces on the canister.
FIG. 3
Reinstalling the Battery Pack into the SBS™
1.Take the time to inspect the O-rings on the SBS™ cap before every dive.
The O-rings should be free of grit or dirt and should not have any signs of
damage.
2. Remove the O-rings from the cap and wipe them down with a clean cloth
before every dive.The O-rings should be lubricated lightly with silicone
grease, any regulator grease or Dow 111 equivalent.The O-ring groove on
the cap should also be free of any dirt or debris. Be careful not to damage
the sealing surface on the cap or canister body. Insert the battery pack
with connector on top into the canister body. Connect the battery pack
to the SBS™ cap.
3. Orientate the SBS™ cap so that the wires will lay flat. See FIG. 4.
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4. Align the SBS™ cap and canister body and firmly press the cap into the
canister with both hands.
5. Close and latch the two stainless steel locking latches.
FIG. 4
!!WARNING!!
Use only DUI’s BlueHeat™ charger with
DUI’s BlueHeat™ battery pack. Use of an improper
charger could result in damaging the battery pack or
fire and explosion.
!!WARNING!!
Use only DUI’s BlueHeat™ battery pack with DUI’s
SBS™ battery canister. Use of improper batteries could
result in damaging the battery pack or full SBS™.
!!WARNING!!
During transport, the cap should always be
attached to the canister to prevent accidentally
nicking on either surface.
!!!CAUTION!!!
Change any O-ring if you see wear or cracking. Best
practice is to change O-rings once a year. Remember to
lubricate your O-rings with a light coat and wipe them
off. Lubricant should be a silicone grease, any regulator
grease or Dow 111 equivalent. Leaving excess lubrication
attracts dirt and increases wear to an O-ring.
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SBS™ Care and Maintenance
The outside of the SBS™ should be rinsed with fresh running water and all
dirt and salt residue removed.
SBS™ Storage
1.When storing your SBS™ for extended periods of time, remove the
SBS™ cap and battery pack from the canister.
2.The SBS™ should be stored in a cool, dry place.
SBS™ BATTERY PACK
Charging the Battery Pack
DUI’s SBS™ utilizes Lithium Iron Phosphate (LiFePO4) batteries which can
provide years of consistent use. However, even the best batteries are only as
good as the manner in which they are maintained. Batteries should always be
charged as soon as possible after use and not left to sit for long periods in a
discharged state.
While LiFePO4 batteries do not experience the reduced discharge effect
known as “memory,” they can be damaged if left at low voltage levels.The
charger provided with your BlueHeat™ System will charge the batteries to
capacity and automatically stop charging.
Batteries tend to slowly discharge over time especially if exposed to extreme
heat or cold.Your DUI BlueHeat™ charger is designed to top off the battery
pack to a full charge when left connected to the battery during storage.You
can store your battery pack connected to your battery charger if you plan to
use your BlueHeat™ within a few weeks or top it off the day before your
dive. If the battery is going to be left unused for several weeks or months, fully
charge the battery, disconnect the battery from the charger, and top off the
battery prior to the next use. If the battery is to be stored without use for a
long period, top it off with a recovery charge every six months.
Charging Steps:
1. Plug in the charger and verify that it is receiving power. DUI’s battery
charger will work with 110/220.You should see a green light on the
charger. Plug the battery pack into the charger and verify that the light
turns red.
2. Allow the battery pack to charge until the red light turns green. A normal
charge cycle should be around 4 hours. Allow the battery pack to cool for
10 minutes before use.
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!!WARNING!!
Do not charge the SBS™ battery pack while
in the SBS™ housing.
!!WARNING!!
Use only DUI’s charger with DUI’s BlueHeat™ battery
pack. Use of an improper charger could result in
damaging the battery pack or cause a
fire and/or explosion.
!!WARNING!!
Do not overcharge DUI’s BlueHeat™ battery pack past
14.6 volts.This is controlled by DUI’s charger
provided with each SBS™.
Battery Pack Lifespan
Your SBS™ battery pack should provide you with years of trouble free
performance.The anticipated life of a battery pack is measured by the number
of charge and discharge cycles it can tolerate.The life of a battery pack will
depend on many factors including the storage temperature, the discharge of
the battery pack, and the charging efficiency. If well cared for, the SBS™
battery pack should provide nominally 1,000 cycles while retaining over 70%
of its capacity.
Please see the recommendations below for other ways of increasing the
battery pack’s life.
1. Use only DUI’s Lithium Iron Phosphate (LiFePO4) battery packs with your
BlueHeat™ SBS™. It is very important that the Lithium Iron Phosphate
(LiFePO4) battery packs be charged with DUI’s charger.
2. Do not allow the battery pack to discharge deeply (below 8.4 volts).This
is managed by the protection circuit in each battery. Charging your battery
every six months will prevent this from taking place.
3. Do not allow the batteries to sit in a discharged state.
4. Do not expose the batteries to extreme temperatures below -10° C (14° F)
or above 45° C (113° F).
5. Batteries must be removed from canister for charging.
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SBS™ CONTROLLER
The SBS™ Controller provides the diver with control at their fingertips.You
can control zone A and B independently. Zone A is for the liner. Zone B is for
the accessory gloves and socks.The SBS™ Controller will also display your
battery packs capacity.The SBS™ Controller has the ability to control selected
light heads when plugged into the SBS™ canister. Please check online at
http://www.dui-online.com/heat/Lights.html for compatible lights and SBS™
configuration.
Installing the SBS™ Controller onto the SBS™ Cap:
1. Unscrew and remove the waterproof covers from the controller’s
connector and the SBS™ cap. Make sure to save the covers.They should
be used anytime the controller is removed from the SBS™ cap.
2. Check the O-rings on the SBS™ Controller for any damage. Replace as
needed. Match the pins on the Controller with the SBS™ cap and press
the connectors together then thread the locking ring until snug.This
connection should not be broken in the water. It will cause the housing to
leak.This connector is a dry connector only.
!!WARNING!!
All changing of attachments or caps must be done in a
dry environment. Failure to do so will result in the
flooding of the SBS™ battery housing.
FIG. 5
Your SBS™ Controller can be attached to the diver in
multiple ways (See FIG. 6)
1. Attach a snap hook at the end (as indicated)
2. Attach to a retractor
3. Install wrist bungees to the four mounting holes provided (as indicated)
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FIG. 6
Control Features (See FIG. 7)
1.There are two separately controlled heating zones (A & B)
a. A = Liner torso heating
b. B = Accessory gloves and/or socks
2. Each zone control has 4 power levels
a. Off
b. 50%
c. 75%
d. 100%
3. Each zone control has a LED visual indicator of the current power level
selected
4. Battery level (capacity) indicator uses 4 LEDs to show you how much
battery power remains
5.The controller also has the capacity to turn power on and off to your light
head
FIG. 7
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SBS™ MODES
The SBS™ has 3 different modes that a diver can switch between to best meet
their needs. Switching between modes is easy but can only be done when you
first connect the battery pack to the cap. After connecting the battery pack to
the cap, you have 10 seconds to momentarily press the “A” or “B” buttons 4
times to enter into “change mode”.When in “change mode” the LED on
buttons “A” and “B” will be red.The battery level LEDs will display which mode
you are in and if SBS™ Saver is turned on.The position of the green LED lets
you know which mode you are in and the red LED on the right lets you know
if SBS™ Saver is turned on. Momentarily pressing the “A” button will allow you
to switch between the 3 modes. Momentarily pressing button “B” is to turn
on/off SBS™ Saver. Please read below for details on SBS™ Saver.The controller
will automatically save and exit after 5 seconds without a button being pressed.
Mode 1
Battery Level LED’s
When in mode 1, button “A” will control the liner and button “B” will control
the socks and gloves. Both circuits have 4 power settings (off, 50%, 75%, 100%)
and cycle every time the button is momentarily pressed. Mode 1 is the default
mode and the SBS™ is already configured for this.
In mode 1 the circuit that is used for a light is always on and meant for lights
that have their own on and off switch on them.
Mode 2
Battery Level LED’s
When in mode 2, button “A” will control the liner and button “B” will control
the socks and gloves. Both circuits have 4 power settings (off, 50%, 75%, 100%)
and cycle every time the button is momentarily pressed.
In mode 2 the circuit that is used for a light is also controlled by the controller.
Pushing button “A” or “B” for a long press (3 seconds) will turn the light circuit
on and then return the display back to the liner socks/gloves power setting.
Pushing button “A” or “B” for a long press again will cycle the power off and
back on triggering your light to medium if your light supports it. Pushing button
“A” or “B” for a long press again will turn the light circuit off.
Mode 3
Battery Level LED’s
When in mode 3, button “A” will control the liner, socks and gloves. Button “B”
will control the light circuit. Button “A” has 4 power settings (off, 50%, 75%,
100%) and cycle every time the button is momentarily pressed. Button “B” has
3 settings (On, Medium** Off). In this mode the liner, socks and gloves will
always be at the same power setting.
** Please check online at http://www.dui-online.com/heat/Lights.html for compatible
lights and SBS™ configuration.
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SBS™ Saver
Battery Level LED’s
SBS™ Saver extends your battery so you don’t have to worry about running
out of power for your light and heating.This System has two steps. First, when
your battery starts to get low, it switches your liner, socks and gloves to 50%
thus doubling your time and extending your comfort. Second, when you have
just minutes left and are running a light, the SBS™ Saver turns the heating off
and dedicates the remaining power to your light.
SBS™ Saver is designed to help extend your comfort and make managing your
battery life easy.The diver always has the ability to override SBS™ Saver and
turn components back on by simply activating that zone again.
VALVE PORT INSTALLATION
The BlueHeat™ port is to be installed underneath the drysuit inflation valve.
It is designed to work with an Apeks inlet valve.The installation of the
BlueHeat™ port should be done by an individual familiar with the removal and
installation of drysuit valves. Installation of the electric suit port should be
done with silicone sealant. Use Dow Corning 732 multi-purpose sealant or
equivalent.
An accessory port is available as an added accessory for divers that do not
want to put the port under the inflation valve and instead place the port in a
different location.
1. Loosen the existing inlet valve by firmly applying pressure to both sides of
the inlet valve and turning the valve backing counter-clockwise.
2. Once the valve is loosened remove the backing and carefully pull the front
inlet valve off the suit. Remove all silicone from the overlay and base suit
fabric.
3. Apply a small bead of silicone on the flat surface of the electric suit port
next to the male threads.The bead should go completely around the electric
suit port.
FIG. 8
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4. Insert the electric suit port into the valve hole on the suit. Make sure to
align the suit port so that the wet connector is facing the direction that you
will be mounting your SBS™.
5.Thread the valve backing on. Be sure not to twist the electrical wiring. Make
sure the overlay fabric and suit fabric are flat and do not twist during
tightening. Hand tighten only; over tightening could cause the electric suit
port to leak.
6. Make sure the O-ring is in the groove on the top of the suit port before
installing the valve.When installing the inlet valve only hand tighten the
valve.
7. Leak check the suit to ensure the installation is water/air tight.
FIG. 9
!! WARNING !!
Improper installation could result in a water leak or
flood of the drysuit. Check the installation for any
leaks prior to your dive.
BLUEHEAT™ LINER
FIG. 10
The BlueHeat™ Liner is a two layer, breathable garment.The material is an
anit-microbial stretch fleece/lycra designed to remove moisture from the skin.
The inside, next-to-skin material is soft and comfortable.The outside material
is smooth allowing your primary insulation jumpsuit to easily slide over the
surface.The Liner contains four 20 watt heating pads for a total of 80 watts of
heat.These heating pads are made of breathable materials to support natural
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BLUEHEAT™ SYSTEM__________
moisture transport.The combination of stretch materials is critical in the
design of the Liner so that it places and holds the heating pads close and
evenly over the surface of the skin.The Liner configuration prevents “ride up”
which can generate hot spots due to folds in the heating pads.
The heating pads are made with stainless steel MicroWire® which has up to
150% to 200% more tensile strength over typically used elements made of
copper, aluminum, nickel-chromium alloys, etc. Combined with the superior
flex strength, this makes it ideal for the demands of diving. In addition, stainless
steel-based MicroWire® has low thermal inertia meaning that temperature
changes happen rapidly. Low thermal inertia makes the System easier to
control as it responds quickly once activated. Each of the four heating pads has
a high limit thermal control board which keeps the maximum pad temperature
less than 120ºF (49ºC).
The Liner also has conduits in the arms and legs for the accessory wiring
harness for the accessory gloves and socks.
!! WARNING !!
The fit of the liner is critical. If the liner is too big, the
four heating pads may not sit evenly over the surface of
the diver resulting in a hot spot and potentially a burn.
!! WARNING !!
Do not use DUI’s BlueHeat™ Liner, Gloves or Socks
with any other battery system than DUI’s SBS™.
Failure to do so may cause damage to the
garment and/or a burn.
ACCESSORY WIRING HARNESS
The accessory wiring harness facilitates the use of BlueHeat™ gloves and
socks.The harness can be easily added when gloves and socks are in use or
removed when gloves and socks are not in use to eliminate bulk.
Size Chart
Small
Medium
Large
Height
5’0”-5’4”
5’5”-5’10”
5’11”-6’3”
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Spine to wrist
25”-26”
27”-28”
29”-30”
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BLUEHEAT™ SYSTEM__________
FIG. 11
Installing the Accessory Wiring Harness
1. Open the LEFT front zipper on the liner and insert the main power
connector into the pocket, up around the neck and back out the RIGHT
pocket.
FIG. 12
2. Once the main power connector is outside the RIGHT pocket, stop and
only pull the right connectors all the way around the neck and out the
RIGHT pocket.
FIG. 13
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BLUEHEAT™ SYSTEM__________
3.Take the left arm connector (shorter cable) and slide it into the LEFT
pocket zipper and out the small thread hole in the LEFT arm pit.Then
slide the connector into the sleeve tunnel (under arm) and down the arm.
4.Thread the left leg connector into the LEFT pocket and down the tunnel
on the left side of the suit. Slide the connector all the way to the bottom
so that the connector pops out.
5. Repeat steps 3 & 4 for the right side of the Liner.
FIG. 14
6. Insert the main power connector into the RIGHT pocket and pull it
through the open media port.When the harness is adjusted correctly
there should be 10” to 18” of cable coming out depending on your size.
FIG. 15
DIVE PREPARATION
1. Install the SBS™ canister on your diving equipment so that the controller
cable and suit cable will not restrict any motion.
2. Check that the valve port is installed correctly.
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BLUEHEAT™ SYSTEM__________
PRE-DIVE CHECK & INSPECTION
Perform this BlueHeat™ System Pre-Dive Check and Inspection prior to
dressing and diving:
1. Using the Controller, check that the Smart Battery Pack is plugged in and
fully charged.
2. Check that button A and B are off (LED indicator should not be lit)
3. Connect the SBS™ to the valve port installed on your suit
4. Connect the liner to the matching liner connector on the inside of your
suit
5. If using the accessory gloves and socks, connect the accessory wiring
harness to the matching connector on the inside of your suit
6. Connect the gloves and socks to the harness in your liner
7.Turn on button A checking that the liner warms.Turn on button B
checking that the gloves and socks warm
8. If using an accessory light, check that it is working properly
9. Check that the lid is securely closed on the SBS™ canister.
!!WARNING!!
Failure to perform the Pre-Dive Check & Inspection
could result in damage to the System or failure to
operate. Always perform the Pre-Dive Check &
Inspection prior to every dive.
!!!CAUTION!!!
Do not leave the liner, gloves or socks on unless it is
being worn. Leaving the liner or accessory gloves and
socks turned on without wearing them for an extended
period of time could damage the System.
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BLUEHEAT™ SYSTEM__________
DIVING THE BLUEHEAT™ SYSTEM
Important Safety Information
DUI’s heated liner, accessory gloves and socks are designed for less than 7
volts. Do not use the heated liner, accessory gloves and socks with any other
electrical battery system other than DUI’s BlueHeat™ SBS™.
!! WARNING !!
Turning on the System for an extended period of time
prior to entering the water may cause rapid
overheating and hyperthermia.
Donning the BlueHeat™ Liner & Accessories
1. Once the SBS™ has been secured on the tank(s)/CCR, put the
BlueHeat™ Liner on taking care that all wires and connectors are loose
and do not catch on any part of the body.This is to ensure a full range of
movement can still be achieved without damaging wiring within the liner.
2. Make sure the accessory harness is installed if you plan on using heated
gloves and/or socks.
3. Pull both socks on over the liner and connect them to the wiring harness.
See FIG. 16
FIG. 16
4. Put on additional divewear insulation and socks.
5. Put on your drysuit being careful not to unplug the connectors on your
socks. Once the lower portion of the dry suit is on, pull the upper half of
the suit up and over the head making sure that the wires from the valve
port and those coming out the chest of the divewear are accessible. (For
shoulder entry suits, connect the wiring BEFORE putting on the top half of
your suit.)
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BLUEHEAT™ SYSTEM__________
6. If diving dry gloves and BlueHeat™
gloves, put both BlueHeat™ gloves on
now. Make sure the connectors on the
gloves are securely connected to
the wiring harness. See FIG. 17
7. Carefully slide your arms into the sleeve
of the suit so as not to pull the cables
and accidentally disconnect the gloves
from the harness.
FIG. 17
8. Connect the valve port wires located
just inside the suit to the connector
on the liner and accessory wiring
harness cables located on the chest.
Check that you are connecting the
liner to the liner connector and the
FIG. 18
accessory to the accessory connector
(Note: Accidently connecting them
to the wrong lead will not damage the System, only mix up the two
function switches on the controller.) See FIG. 18
9. Pull the water proof zipper closed making sure the loose wires behind
the valve port do not get caught within the zipper. Continue to dress in
your drysuit as usual and put on therest of your diving equipment.
10. Once in your diving equipment,
ensure that zones A and B are
turned off. Carefully connect the
SBS™ cables to the valve port,
checking that the four pins are
FIG. 19
aligned. Firmly press the cables to
the valve port to ensure a proper
connection. See FIG. 19. Ensure that
you retain a full range of movement without being inhibited by the
battery cables.
11. Do a quick System check with the controller checking the functions of
button A & B cycling from off to 50%, 75%, 100% and back to off.
12. Check that the battery pack is fully charged.
13. Shut off until in the water and then follow your dive plan.
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BLUEHEAT™ SYSTEM__________
Diving the BlueHeat™ Liner and Accessories
The following recommendations are made for non-overhead recreational
diving:
Activate your SBS™ just before entering the water. It is recommended that
you start at 50% power and allow your body temperature to stabilize and turn
the power level to the liner and/or accessories to the desired power setting
of 75% or 100% just prior to descending. It is recommended that the electric
heating elements be left on throughout the dive until the battery runs out or
the dive is concluded.
After exiting the water, turn the liner and accessory gloves and socks off.The
SBS™ should be unplugged from the battery pack once your dive gear has
been removed and the SBS™ is dry and in a dry environment before opening.
This will insure the maximum life out of your SBS™ battery pack.
!! WARNING !!
Do not wait until you "feel" chilled or cold to turn on
the System. Our testing has shown that divers who
become chilled are not able to be re-warmed by any
active heating system. While you would feel warmer,
your core temperature may not recover and you may
become hypothermic without being aware.
EMERGENCY PROCEDURES
In the unlikely event the drysuit floods,
the System will still function properly
without causing harm to the diver. It is
recommended that the SBS™ be shut off
and the dive be aborted as quickly and
safely as possible.
FIG. 20
In the unlikely event of a dive emergency,
the diver may disconnect the SBS™ cable
to the suit port.This will remove power to the liner and accessory gloves and
socks.
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POST DIVE CARE
BlueHeat™ Liner
The BlueHeat™ Liner requires additional attention above and beyond typical
undergarment care. Prior to disconnecting the battery pack wires from the
suit port, ensure the batteries have been turned off. Failing to turn the
batteries off may result in the battery shorting out causing damage or failure
to the System.
1. Carefully disconnect the SBS™ cable to the suit port by pulling the wet
connector from the suit port connector.
2. Unzip the suit and disconnect the liner and wiring harness connections on
the inside of the suit port. Remove the top of the drysuit.
3. Pull both arms out of the drysuit one at a time being careful not to unplug
the electric glove liners, if used.
4. Unplug the electrical wire connections to the gloves and remove the
gloves.
5. Remove the rest of the drysuit being careful not to unplug the socks from
the leg and sock connectors.
6. Once the drysuit has been removed. Disconnect the sock wire
connections from the liner and remove the socks.
7. Remove the liner carefully to ensure the wires on the arms and leg are
not pulled.
Wash Instructions
Hand wash. Line dry only. Do not use bleach. Avoid use of fabric softners.
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BLUEHEAT™ SYSTEM__________
APPENDIX
Why Lithium Iron Phosphate (LiFePO4) batteries?
• LiFePO4 have a higher energy density than other cells like Nickel Metal
Hydride (NiMH)
• LiFePO4 cells experience a slower rate of capacity loss (aka greater
calendar-life) than other lithium-ion battery chemistries such as LiCoO2
(cobalt oxide) or LiMn2O4 (manganese spinel lithium-ion polymer
batteries).
• After one year on the shelf, a LiFePO4 cell typically has approximately the
same energy density as a LiCoO2 cell.
• Extended cycle life for both deep and shallow cycling.This means it does
not develop a memory if not fully discharged regularly or continuously ran
to zero.
• LiFePO4’s use of phosphates avoids cobalt’s environmental concerns,
particularly concerns about cobalt entering the environment through
improper disposal.
• Superior thermal and chemical stability. LiFePO4 provides better safety
characteristics than lithium-ion batteries. Due to significantly stronger
bonds between the oxygen atoms in the phosphate (compared to the
cobalt), oxygen is not readily released, and as a result, lithium iron
phosphate cells are less likely to catch on fire or explode during charge or
discharge, and being exposed to salt water.
O-ring Care and Maintenance
• Check O-rings before each dive.
• Check that all O-rings are present and show no signs of wear and tear.
• O-rings should be replaced once a year or when any sign of wear and tear
are seen.
• O-ring lubrication should be done every few dives to increase the life of
the O-rings and reduce the opportunity for leaks.
• Use silicone grease to lubricate the O-rings.
• When replacing O-rings, please follow images below to match up O-ring
size and location.
• Remember when installing new O-rings to lubricate them and DO NOT
use any kind of tool that could damage the O-ring during installation.
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BLUEHEAT™ SYSTEM__________
O-RING SIZING CHART
FIG. 21
UNCONTROLLED IF PRINTED
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BLUEHEAT™ SYSTEM__________
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RESPONSIBLE DIVER CODE ____
ARE YOU A RESPONSIBLE DIVER?
RESPONSIBLE DIVER CODE
As a responsible diver, I understand and assume all the risks I may encounter
while diving.
My responsible Diving Duties include:
1. Diving within the limits of my ability and training.
As a responsible Diver, I understand...
• my certification card qualifies me to engage in diving activities
consistent with my training and experience.
• the importance of continuing my diving education in the form of
supervised activities and training, such as night diving and deep
diving specialties.
• the need to keep proficient in my diving skills and to refresh them
under supervision if I have not been diving recently.
• there are no limits to what I can learn about diving. The more I
know, the safer I’ll be.
• my maximum depth should be limited to my level of training and
experience.
• I must have training in the proper use of equipment.
• the value of getting specific training in the proper use and
application of specialized equipment, such as drysuits and
computers.
2. Evaluating the conditions before every dive and making sure they
fit my personal capabilities.
As a Responsible Diver, I recognize...
• the need for being familiar with my dive sites and the importance of getting
a formal orientation to unfamiliar dive sites from a knowledgeable local
source.
• the dangers of overhead environments (caves, wrecks, etc.) and the need to
seek specialized training before doing such diving.
• I should postpone my dive, or choose an alternate site, if I evaluate the dive
site conditions as being more difficult than my experience and training level.
• I should use a surface support station, such as a boat or a float, whenever
feasible.
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RESPONSIBLE DIVER CODE ____
3. Being familiar with and checking my equipment before and during
every dive.
As a Responsible Diver, I understand...
• that simply owning my equipment does not give me the knowledge and
ability to dive safely.
• I must have training in the use of my equipment.
• I should maintain comfort in the use of my equipment through practice.
• my equipment must be equal to the type of diving I will be doing.
• I need to check that my equipment is operating properly before each dive.
• my equipment must be treated with respect and properly maintained and
serviced.
• my equipment must be serviced according to manufacturer’s specification
by a qualified service technician.
• I must follow manufacturers’ recommendations on the use of my
equipment and must not modify it to perform in a way not intended by it’s
maker.
• I need to be properly trained before using EANx (Nitrox) and must use
proper EANx-designated equipment displaying the appropriate markings.
• the importance of being able to easily release my weights if in distress.
• the value of an alternate air source and low pressure buoyancy control
inflation system.
• how to adjust my weights for neutral buoyancy at the surface with no air in
my buoyancy control device.
4. Respecting the buddy system and its advantages.
As a Responsible Diver, I recognize...
• I need to keep my diving emergency response skills sharp through
practice and mental role playing.
• the importance of planning my dives with my buddy, including
communications, procedures for reuniting if separated and emergency
procedures.
• diving the plan which my buddy and I agreed to follow helps provide a safe
dive.
• I should always deny the use of my equipment to uncertified divers.
5. Accepting the responsibility for my own safety on every dive.
As a Responsible Diver, I know...
• the importance of maintaining good mental and physical fitness for diving.
• I must not dive while under the influence of alcohol or drugs.
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RESPONSIBLE DIVER CODE ____
• postponing the dive is the correct action if I am suffering from a cold,
hangover, flu or other health deficiency that may cause complications.
• to be watchful for and avoid overexertion.
• diving will be safe if I listen carefully to dive briefings and respect the advice
of those overseeing my diving activities.
• the operators I dive with are not responsible for my decisions and actions.
• I should be proficient in dive table use and make all dives no-required
decompression dives, allowing for a margin of safety, ascending no faster
than 60 feet/18 meters per minute and making a safety stop at the end of
every dive.
• to always breathe continuously while diving and never skip breathe or hold
my breath.
• proper buoyancy should be maintained at all times – buoyant for surface
swimming, neutral while swimming underwater.
6. Being environmentally conscious on every dive.
As a Responsible Diver, I ...
• am careful about what I touch underwater.
• do not break plants or coral or collect “souvenirs”.
• respect laws on size and limits for game.
• collect and dispose of trash I find while diving.
• let dive buddies, resorts and dive operators know how I feel about
environmental responsibility.
• never dive in a manner that would hurt the environment.
The resorts and operators I dive with:
• use mooring bouys whenever available or anchor in areas free of live
bottoms.
• give thorough environmental briefings to divers before they enter the water.
• contain photo processing chemicals for proper disposal.
• dispose of trash responsibly.
• uphold environmental regulations and game limits.
Originally printed in 1987 by Diving Equipment & Marketing Association
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