Optimus Crux User manual
OPTIMUS | CLEVER COOKING SINCE 1899™
CruxTM
Crux LiteTM
Elektra FE Cook SystemTM
Canister mounted stoves for outdoor use
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PRINT NO. 8018923/5
Manufacturer:
Katadyn Products Inc.
Pfäkerstrasse 37
8310 Kemptthal
Switzerland
+41 44 839 21 11
www.optimusstoves.com
AUSTRALIA AND NEW ZEALAND
GAS SAFETY CERTIFICATION
®
DO NOT REMOVE
AGA 7459G
0085-18
Certified to:
CSA/ANSI Z21.72 • CSA 11.2 2019
Camp Stove / Poêle de camping
EN 521
AS 2658-2008
This stove is designed for sports enthusiasts for outdoor
cooking and boiling of water only – never use it for any
other purpose.
ENGLISH
WARNING
FIRE OR EXPLOSION HAZARD
If you smell gas:
1. Do not attempt to light stove.
2. Extinguish any nearby flame(s).
3. Disconnect from fuel supply.
4. Evacuate area immediately.
5. Allow gas to dissipate 5 minutes.
Failure to follow these instructions
could result in fire or explosion,
which could cause property
damage, personal injury, or death.
[1] [2] [3]
[4] [5]
[6] [7] [8]
WARNING: Improper installation, use,
adjustment, alteration, service or
maintenance can cause injury or
property damage. Refer to this
manual. For assistance or additional
information consult a qualified retai-
ler, service agency or gas supplier.
1
FOR YOUR SAFETY
Do not store or use gasoline or
other liquids with flammable
vapors in the vicinity of this or
any other appliance.
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DANGER CARBON
MONOXIDE
HAZARD
This appliance can
produce carbon
monoxide which
is poisonous and
has no odor.
Using it in an en-
closed space can
kill you.
Never use this
appliance in an
enclosed space
such as a camper,
tent, car or home.
2
SAFETY FIRST
IMPORTANT: Read these instructions before use
carefully Familiarise yourself with the appliance before
connecting it to its gas container. Keep these instructions
for future reference.
• If you have any questions, call Katadyn Products Inc. in
• US customers contact Katadyn North America 1-800-755-6701,
WARNING AUSTRALIAN GAS ASSOCIATION:
ONLY USE IN WELL-VENTILATED AREAS. CARBON
MONOXIDE HAZARD-USING THIS APPLIANCE IN AN
ENCLOSED SPACE MAY CAUSE DEATH. DO NOT USE IN
CARAVANS, TENTS, MARINE CRAFTS, CARS, MOBILE
HOMES OR SIMILAR LOCATIONS.
DANGER
This stove uses a liquid pressurized gas (LPG) canister
that is highly flammable and explosive. Improper or unsafe
use can result in accidental fire and explosions which can
cause serious injury or possible death.
• FOR OUTDOOR USE ONLY
• Listen and smell for leaking gas. LPG is invisible and may
be odorless, as its strong odorant can fade over time. As a
result, leaks are not always detectable by smell.
• If you suspect that there is a leak, do not use the stove or
canister. To locate and stop the leakage, move stove to a
well-ventilated area outdoors away from any ignition
source. Check that the stove and fuel canister connection
is secure and tight.
• Do not leave this appliance unattended while the appliance
is in operation. Keep children and pets away from the appli-
ance at all times.
3
WARNING
Risk of fire and explosion when using fire to detect gas
leaks.
• If there is a leak from your appliance (smell of gas) and you
cannot stop the gas flow, remove the appliance to a
well-ventilated location away from any ignition source.
• Only check for leaks using soapy water. Do not try to
detect leaks using a flame.
• Check the seals before connecting a new fuel canister to
the stove. Do not use the stove if seals are damaged or
worn. FIGURE [1]
If you expose the fuel canister to high heat, the canister
could explode or leak.
• Keep stove and fuel canister away from other heat sources.
• Follow all warnings on fuel canister regarding use and
storage.
• Do not attach or remove canister near high heat, open
flames, direct sunlight, other ignition sources or where
temperature of canister exceeds 50°C (120°F).
• Only use fuel canisters which are intended to be used with
this stove.
INSTRUCTION FOR USE
To minimize any risk of serious injury or possible death, follow
the instructions and safety precautions in this manual. Only
use the stove as described in this manual.
FIGURE [2]
A: Pot Supports
B: Control Valve
C: Gas Canister
D: Burner Head
E: Burner head folding mechanism
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TECHNICAL SPECIFICATIONS (STOVE ONLY):
Fuel: Use only with Optimus gas cartridges in compliance
with EN417 (for Australia: 50% butane, 25% isobutane, 25%
propane) (max. 450g). IT MAY BE HAZARDOUS TO ATTEMPT
TO FIT OTHER TYPES OF GAS CONTAINERS/CARTRIDGES.
Rating: 4.2KW nominal EN521, 3.0kW gas canister EN417,
ANSI Z21.72-2016/CSA 11.2-2016: 12‘000BTU/h vapour gas.
Australia: 7 Mj/h AS2658-2008 Burn Time: up to 90min at
maximum output (230g gas canister, 155g/h) Boil time: As
little as 3min depending on climate, altitude, etc. Injector size
of stove: 0.32mm EN521:2006 Category: direct pressure –
butane/isobutane/propane mix.
Australian Gas association certified. AS2658-2008
Certificate number AGA 7459 G.
SET UP STOVE
1. Fold out the control valve handle and make sure that the
valve is fully closed. FIGURE [3]
2. Fold out pot supports. FIGURE [3]
3. Check that o-ring between the stove and the gas cartridge
is in place and in good condition before connecting stove
to the gas cartridge. FIGURE [1]
CONNECT STOVE TO GAS
CANISTER
1. Hold onto the stove and screw the correct gas canister
counterclockwise tightly. FIGURE [4] Tighten by hand only
and be careful not to damage the threads when you
connect the gas canister.
2. Always keep the gas canister in an upright position while
connecting it to the stove.
3. Ensure that the stove is screwed all the way to the bottom
of the thread.
4. Make sure the stove is in a stable position so it will not tip
over.
5. Allow plenty of free space around the stove, at least 1.25m
(4ft) on each side and 1.5m (4.5ft) above it.
6. Keep stove area clear and free from combustible materials,
gasoline and other flammable vapors and liquids.
2
1
5
WARNING
Risk of burning or serious injuries due to gas leakage
hazard.
• This appliance should only be used on a horizontal surface
in an open air situation with natural ventilation without
stagnant areas, where gas leakages and products of
combustions are rapidly dispersed by wind and natural
convection.
• Never light the stove if you detect a hissing sound or the
smell of gas after tightening the canister. The gas has an
additive with a foul smell. Never use a stove that smells of
gas.
• Do not use the stove if it has damages or worn seals. Do
not use the stove if it is leaking, damaged or if it does not
operate properly.
• Never over-tighten gas canister when connected to the
stove. Overtightening can damage stove or canister
causing gas to leak.
• Use extreme caution when using stove in temperatures
below freezing. In freezing temperatures, O-rings can stien
and leak gas.
• Always check for gas leaks before and after lighting the
stove.
• Keep children more than 3m (10ft) away from stove and
fuel.
• Keep highly flammable fabrics away from stove, such as
outdoor clothing, sleeping bags, tents etc.
• When a canister change is necessary, please follow steps
1-4 of this manual carefully.
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USE THE STOVE TO COOK
1. Open the control valve approximately one turn counter-
clockwise and light the burner. FIGURE [5] Check that the
flame ring is complete and that the flame is mostly blue and
non-pulsating in normal operation.
2. Adjust the control valve to get the flame you want.
3. If the output is weak, it could mean that the gas is running
out, or that the canister is too cold. Turn o the stove and
let it cool down. Make sure there is no open flame nearby
when changing the gas canister.
4. CAUTION: accessible parts may become very hot. Keep
young children away from the appliance.
WARNING
Overheating and explosion hazards
• Never add a windscreen after the stove is lit.
• Never use a windscreen which fully encloses the gas
canister.
• Keep solid combustibles at least 1.25m (4ft) away from the
top and 1m (3ft) from sides of a burning stove or a stove
that you are in the process of lighting.
• Keep flammable liquids and vapors at least 8m (25ft) away
from the top and sides of a burning stove, or a stove that
you are in process of lighting.
• Never attempt to light a stove if control valve has been left
open. If control valve is left open, close it immediately and
thoroughly ventilate area before lighting stove. Failure to
ventilate area can result in an explosion.
• Never use cookware with a diameter larger than 220mm
(8.5in). The pan plus food must not weigh more than 2kg
(4.4lbs) combined.
• Never place and operate 2 or more stoves together.
• Never operate stove with empty or dry cookware.
• Never use non-Optimus heat reflectors or windshields.
3
7
TURN OFF, COOL AND PACK STOVE
1. Turn o the stove by turning the control valve handle fully
clockwise and double-check that the flame is completely
extinguished.
2. Allow stove to cool properly.
3. Disconnect the gas canister.
4. It is normal for a small amount of gas to fizz out when you
unscrew the gas canister.
5. Fold in pot supports and place stove in stu sack.
6. How to check if the gas container is empty: Gently shake
the gas container - if movement of liquid is sensed or
audible then gas is present in the container.
CAUTION
Risk of burning due to incorrect handling and storage.
Storing gas canisters near any heat or ignition source, or
where temperatures exceed 50°C (120°F) can result in the
canister exploding.
Never move a burning or hot stove. Allow stove to cool for at
least 10min before moving it.
Never transport or store the stove with the gas canister
connected to it.
Always store gas canisters in a well-ventilated area away from
any possible heat or ignition source such as: water heaters,
stoves, pilot lights, furnaces or where temperatures exceed
50°C (120°F).
MAINTENANCE
Before each use, check the O-ring where the stove connects to
the gas canister. FIGURE [1] Leakage may result if the O-ring is
not in place, or if it is worn or damaged. Replace the O-ring by
teasing it out with a tool such as the blunt end of a sewing
needle. Never use a sharp or pointed object that can damage
the seal surfaces. Fit the new O-ring with care to avoid
damaging it. Only use original Optimus O-rings (Art. Nr.
8019247) for this purpose. Do not modify the stove. This
appliance must only be serviced by an authorized person.
4
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For major repairs send stove back to Optimus. This appliance is
not designed to be serviced by the user, and contains no user
serviceable parts
Addendum for Elektra FE Cook set
Your Crux Lite stove is including a handheld piezo ignitor.
In order to ignite your stove, open the control valve handle and
bring the piezo ignitor close to the burner head. Make sure it is
pointing upwards. Push the green button to produce a spark in
order to ignite the burner. FIGURE [6] Push several times if
ignition does not happen immediately. Please note that Piezo
ignitors are not reliable at altitudes above 2000m.
WARNING
Risk of burning or serious injuries due to incorrect
handling
• Never have your face above the stove when igniting it.
Possible flare ups could cause serious injuries.
Addendum for Elektra FE Cook set:
Your Crux Lite stove also includes a Terra weekend HE pot and
a windshield to increase the stove`s performance and
eciency.
To use the clip-on windshield take both halves and bend them
slightly outwards. Clip the opening at the bottom around the
valve neck of the gas canister. Make sure the windshield is
fixed securely. Turn the windshield into the desired direction (to
best block the wind) and make sure the stoves control handle is
easily accessible. FIGURE [7] We recommend to use this
windshield only with the Optimus Crux and Crux Lite gas
stoves and Optimus gas canisters.
WARNING
Risk of burning or serious injuries due to incorrect
handling
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