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GAS HEATERS
MODEL NOS: DEVIL 900DV, 1600DV & 2100DV
PART NOS: 6920175, 6920191& 6920196
USER INSTRUCTIONS
ORIGINAL INSTRUCTIONS DL1123 - Rev 2
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INTRODUCTION
Thank you for purchasing this CLARKE Gas Powered Heater. Before attempting
to use this product, please read this manual thoroughly and follow the
instructions carefully. In doing so you will ensure the safety of yourself and that
of others around you, and you can look forward to your purchase giving you
long and satisfactory service.
GUARANTEE
This product is guaranteed against faulty manufacture for a period of 12
months from the date of purchase. Please keep your receipt which will be
required as proof of purchase. This guarantee is invalid if the product is found
to have been abused or tampered with in any way, or not used for the
purpose for which it was intended.
Faulty goods should be returned to their place of purchase, no product can
be returned to us without prior permission. This guarantee does not effect your
statutory rights.
FUNCTION AND OPERATING PARAMETERS
This is gas powered heater. It’s intended use is for drying and the warming of
commercial/industrial buildings where adequate ventilation is provided.
• It must be operated as prescribed in the operating manual.
• It is not intended to be used for domestic use or for the heating of
habitable areas.
• It is not intended to be used to reach and maintain a certain level of
human thermal comfort within an enclosed space in which the heater is
situated.
• It is not intended to be used in enclosed areas with restricted ventilation.
• It is not for use in areas with high levels of fluctuating drafts.
• DO NOT use for warming animals or live stock.
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SAFETY INFORMATION
Read, and make sure you fully understand the following precautions and the
hazards associated with this type of equipment.
1. ONLY use with the voltage specified and ensure the heater is properly
earthed.
2. Use only the hose and factory preset regulator provided with the heater.
3. ONLY use propane gas, set up for vapour withdrawal.
4. Use only in well ventilated areas. Provide ventilation of at least 3 square
feet of fresh air for every 100,000 BTU/hr of rating.
5. DO NOT use this heater in small rooms when they are occupied by persons
not capable of leaving the room on their own unless constant supervision is
provided.
6. For indoor use only. DO NOT use heater outdoors.
7. DO NOT use this heater in the immediate surrounds of a bath, a shower or a
swimming pool
8. DO NOT use this heater in small rooms when they are occupied by persons
not capable of leaving the room on their own unless constant supervision is
provided.
9. DO NOT use for the heating of habitable areas of domestic premises; for
use in public buildings, refer to national regulations.
10. DO NOT use the heater in a basement or below ground level. Propane gas
is heavier than air. If a leak occurs. propane gas will sink to the lowest
possible level.
11. Keep the heater area clear and free from combustible materials, gasoline,
paint thinner and other flammable vapours and liquids. Leave a minimum
of 6ft (1.83m) clearances in all directions
12. DO NOT use heater in areas with high dust content. Dust is combustible.
13. DO NOT point the heater at the propane tank.
14. Keep propane tank(s) below 100
15. Check the heater for damage before each use. DO NOT use if dropped.
DO NOT use a damaged heater.
o
F (37.8oC).
16. Check the hose before each use of the heater. If highly worn or cut,
replace with hose specified by the manufacturer before using the heater.
17. Locate the heater on a stable and level surface if the heater is hot or
operating.
18. Not intended for use on finished floors.
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19. NEVER block the air inlet (rear) or air outlet (front) of the heater.
20. Keep the heater away from strong drafts, water spray, rain or dripping
water.
21. DO NOT leave the heater unattended.
22. NEVER move, handle or service a hot, operating or plugged-in heater.
23. To prevent injury wear gloves when handling the heater.
24. NEVER attach duct work to front or rear of the heater.
25. DO NOT alter the heater. Keep the heater in its original state.
26. Turn off the propane supply and unplug the heater when not in use.
27. Use only original replacement parts. This heater must use design-specific
parts. Improper replacement parts could be highly dangerous.
28. DO NOT place torsional stress on any hoses or cables.
29. DO NOT use this heater with a programmer, timer, separate remote control
system or any other device that switches the heater on automatically,
since a fire risk exists if the heater is covered or positioned incorrectly.
30. This heater is only intended for use in industrial, commercial and building
industries, it is NOT to be used by children or persons with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge.
31. Keep all children and animals away from the heater.
32. DO NOT use for warming animals or live stock.
33. Children should NOT play with the appliance.
SAFETY SYMBOLS
Please read all of the safety and operating instructions carefully before using
this product. The following safety symbols may be found on the product.
GENERAL HAZARD
WAR NI NG
HOT SURFACE, DO NOT
TOUCH
ALWAYS READ THIS
MANUAL BEFORE USE
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DO NOT COVER
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GENERAL PRECAUTIONS
Even though this heater operates very close to 100 percent combustion
efficiency, it still produces small amounts of carbon monoxide.
• Carbon Monoxide (CO) is toxic.
• Pregnant women, persons with a heart or lung condition, anaemia
or under the influence of alcohol, or those at high altitude, are more
likely to be effected by Carbon Monoxide.
• CO can build up in a confined space and failure to provide
adequate ventilation can be fatal.
The early symptoms of asphyxiation caused by inadequate ventilation are:
• headache • nausea
• dizziness • dry mouth or sore throat
Should anyone show these symptoms, they must GET FRESH AIR IMMEDIATELY.
Turn off the heater and have it serviced before using again.
Be sure to follow all warnings in this manual.
WE RECOMMEND THE USE OF A CARBON MONOXIDE
DETECTOR
BYSTANDERS
When the heater is to be operated in the presence of other people the user is
responsible for informing those present of the safety precautions and of the
hazards involved.
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ELECTRICAL CONNECTIONS
WARNING: READ THESE ELECTRICAL SAFETY INSTRUCTIONS
THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS
SUPPLY.
Connect the mains lead to a standard, 230 Volt (50Hz) electrical supply
through an approved 13 amp BS 1363 plug or a suitably fused isolator switch.
The heater may also be connected to a 110V supply through a suitably
approved plug.
CHANGING THE VOLTAGE
1. Remove the two screws shown.
2. Rotate the cover so that the
voltage you want is at the top
(230V or 110V).
3. Replace the cover and screws.
4. Make sure that the plug is suitable
for the voltage selected and
replace it if necessary.
WARNING: THIS APPLIANCE MUST BE EARTHED.
WARNING: THE WIRES IN THE POWER CABLE OF THIS PRODUCT ARE
COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
BLUE = NEUTRAL BROWN = LIVE YELLOW AND GREEN = EARTH
As the colours of the flexible cable of this appliance may not correspond with
the coloured markings identifying terminals in your plug proceed as follows:
• Connect the GREEN & YELLOW wire to terminal marked “E” or Earth
• Connect the BROWN wire to terminal marked “L”
• Connect the BLUE wire to terminal marked “N”
If this appliance is fitted with a plug which is moulded onto the electric cable
(i.e. non-rewirable) please note:
1. The plug must be thrown away if it is cut from the electric cable. There is a
danger of electric shock if it is subsequently inserted into a socket outlet.
2. Never use the plug without the fuse cover fitted.
3. Should you wish to replace a detachable fuse carrier, ensure that the
correct replacement is used (as indicated by marking or colour code).
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4. Replacement fuse covers can be obtained from your local dealer or most
electrical stockists.
5. The fuse in the plug must be replaced with one of the same rating (13
amps) and this replacement must be ASTA approved to BS1362.
We strongly recommend that this machine is connected to the mains supply
through a Residual Current Device (RCD).
If in doubt, consult a qualified electrician. Do not attempt any electrical
repairs yourself.
THE PROPANE GAS SUPPLY
These heaters are designed for use with PROPANE GAS ONLY. Gas cylinders are
not supplied, but are readily available from builders merchants or gas suppliers
etc.
This range of portable, direct fired gas heaters is designed to BS 4096 for
industrial applications to give safe, efficient and reliable operation.
As with all mechanical equipment, optimum performance will only be
achieved if the correct operation and servicing procedures are followed.
WARNING: PROPANE GAS CYLINDERS MUST BE USED AND STORED IN
ACCORDANCE WITH THE HIGHLY FLAMMABLE LIQUIDS AND LIQUEFIED
PETROLEUM GASES REGULATIONS 1972.
GAS CONNECTION
Connect the free end of the gas hose to the gas inlet connection on the
heater and tighten to ensure there are no gas leaks. Before attaching the
regulator to the gas cylinder, ensure the mating parts are free from grease and
dirt and are undamaged.
Fit the regulator to the cylinder,
tightening the thread as tight as
possible with a propane spanner,
noting that the threads are LEFT
HANDED. To check for leaks, use
soapy water or liquid soap applied to
each of the connections. Any
bubbles formed indicate a leak.
Correct all leaks immediately.
• The gas hose and cylinder must
ALWAYS be located well behind
the heater.
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In order to reduce the risk of icing up
when operating at long periods at
maximum capacity, you should use a
larger capacity gas bottle, or two/
three bottles in parallel, as shown in
Fig 2.
• The ‘Tee’ piece & ‘pigtails’ are
readily available from your
builders merchants or gas
supplier.
CHANGING GAS BOTTLES
1. Turn off the heater and disconnect from the electrical supply.
2. Close the gas valve on the bottle and unscrew the regulator, (left hand
thread).
3. Ensure the replacement bottle screw threads and gas orifice is perfectly
clean before screwing in the regulator valve tightly.
4. Check to ensure there are no leaks using soapy water and when satisfied,
plug in to the electrical supply and restart the heater.
OPERATING SPACE AND FRESH AIR SUPPLY
MINIMUM FRESH AIR OPENING REQUIREMENTS
As a general rule of thumb, an opening of 1in2 per 1000 Btu/hr is a minimum
requirement.
These heaters are specified as requiring a minimum ventilation of 3 sq/ ft per
100,000BTU/hr.
OPERATING SPACE
DO NOT obstruct the air intake to the heater and allow the following
clearances from combustible surfaces.
Outlet: 8 feet (2.4 m)
Sides: 2 feet (0.6 m)
Top: 6 feet (1.8 m)
Rear: 2 feet (0.6 m)
Keep the heater as far as practical from propane tanks and never point the
heater directly at any propane tank.
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PRINCIPLE OF OPERATION
Understanding the basic operation of the heater will reinforce the need to
maintain the unit in top condition at all times, whilst always observing the
safety precautions.
The heater comprises four basic systems:
1. The gas system.
2. The air system.
3. The ignition system.
4. The safety control system
UNPACKING
When unpacking, check the heater for possible shipping damage. Should any
damage be apparent, please notify your Clarke dealer immediately.
5. Your heater is fully assembled,- only the electrical and gas supplies need
connecting. Retain any plastic cover caps (attached to the inlet
connector and hose/regulator assembly) for future storage.
GAS SYSTEM
The gas supply to the machine is by means of a high pressure hose,
connected to an LPG (Liquid Propane Gas) cylinder, via a pressure regulator.
When the mains supply is switched on, the Safety Shut-off valve solenoid is
energised, allowing the gas to flow to the Flame Failure valve, and when the
failure valve override knob is depressed, gas flows to the burner head.
AIR SYSTEM
An axial fan, which is energised when switching on, provides the air flow
through the combustion chamber to provide a stream of hot air from the
heater.
IGNITION SYSTEM
Ignition is automatic with this heater as soon as the gas valve button is
depressed, with a continuous spark from the spark plug igniting the gas. As the
thermocouple heats up, a low voltage is fed to the Flame Failure valve,
causing the valve to open, so that after a few seconds, the gas valve button
may be released and the flame is established.
SAFETY CONTROL SYSTEM
Should the flame extinguish for any reason, the thermocouple will quickly cool,
causing the Flame Failure valve to close, shutting off the gas supply.
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Similarly, should there be a power failure, causing the fan motor to stop, the
Safety Shut-Off valve solenoid will become de-energised, and therefore shut
off the gas supply
.
Additionally, the machine is equipped with thermal overload protection,
which will intervene should the unit overheat, shutting off the electrical supply.
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STARTING PROCEDURE
WARNING: BEFORE STARTING THE HEATER, YOU MUST ENSURE THAT THE
MINIMUM VENTILATION REQUIREMENTS ARE OBSERVED TO AVOID THE
RISK OF CARBON MONOXIDE POISONING.
Ensure there is sufficient gas and that it is correctly connected.
1. Open the supply valve on the gas
cylinder, and fully open the
regulator valve adjacent to the
gas inlet pipe.
2. Plug the heater in to a suitable
power supply.
3. Set the flame intensity control
valve (B), to a low setting,
4. Set the fan switch (A) to the ON (I)
position. Confirm the fan
operates.
5. Hold in the gas valve button (C), until the thermocouple is energised and
the heater ignites.
6. If the heater fails to ignite, there may be air in the hose so keep the fuel
valve open and wait for about 15 seconds. Wait 30 seconds for unburned
fuel to exit the heater. Repeat the step above.
7. When the burner remains lit, set the heater at the required level by turning
the flame intensity control valve counter-clockwise. If the burner goes out,
turn off the gas. Turn the gas valve fully clockwise to its lowest position.
Check the fuel supply. If adequate fuel is available, re-start the heater from
step 1.
Should the flame extinguish when the ignition button is released, wait for 1
minute, before repeating the operation.
• Turning the flame intensity control valve anti-clockwise will increase the
gas supply and therefore the output, clockwise to decrease.
If ignition is difficult or irregular, ensure the fan is operating and that the air inlet
and outlet are completely clear. Also ensure that the electrode gap is correct,
and that the electrode is clean (see Maintenance).
Should the thermal overload protection feature operate and the spark plug is
seen to be operating, shut off the gas supply and allow the unit to cool for at
least 10 minutes with the fan running, before attempting to relight the burner.
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Should the flame safety valve operate, the heater may be restarted once the
cause of the problem has been found and rectified.
SHUT-DOWN PROCEDURE
1. Turn off the gas at the propane cylinder valve(s).
2. Let the heater run while any gas left in the supply hoses is burnt off.
3. Allow the fan to run for 2 - 3 minutes with the burner off, in order to allow
the casing to cool down and the fan to disperse any residual gas.
4. Switch off the fan and unplug from the electrical supply.
5. Disconnect the gas supply.
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MAINTENANCE
CAUTION: DISCONNECT THE HEATER FROM THE PROPANE SUPPLY
CYLINDER(S)
WARNING: BEFORE CARRYING OUT ANY ADJUSTMENT OR
MAINTENANCE, ENSURE THE HEATER IS SWITCHED OFF, DISCONNECTED
FROM THE MAINS AND GAS SUPPLY, AND HAS BEEN GIVEN ADEQUATE
TIME TO COOL DOWN.
It is essential that the heater is correctly maintained and kept in top condition
at all times.
All models are similar, in that access to the control components is gained by
removing the access panel under the base of the heater which is secured by
screws around the edge.
MONTHLY (WHEN IN CONSTANT USE)
Check the spark plug for cleanliness and correct operation. Have the gap reset to no more than 5mm by your Clarke service engineer.
Check the condition of the gas hose. If there are any signs of deterioration, it
should be renewed using only a Clarke original spare part.
Ensure that all connections are clean and secure.
When necessary, clean the fan and the inside of the heater thoroughly.
The use of parts other than genuine Clarke replacement parts may result in
safety hazards or decreased performance, and will invalidate your warranty.
STORAGE
1. Store the propane gas cylinders in a safe manner outdoors and keep them
o
below 100
2. Place protective bags over fittings & connectors and store in a clean, dry
place.
F (37 oC).
3. Fit the plastic cover caps which were removed when unpacking, over the
connections they covered when received.
4. When removing from storage, always check inside of heater for debris/
foreign objects before returning to use. Do not store the hose/regulator
inside the combustion chamber.
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TROUBLESHOOTING
PROBLEM CAUSE REMEDY
Motor does not start. No power. Check power supply,
power cable and fuse,
and replace if necessary.
Faulty motor/capacitor. Fan
blades bent.
Lock out of appliance due
to overheating. Thermal cutout in operation.
Spark plug does not
spark.
Heater will not ignite Connection/installation
Heater stops during
operation.
Gap incorrect, faulty
connection
incorrect.
No spark at spark plug due
to loose HT lead or PCB
fault.
Excessive or insufficient gas
supply.
Check & replace if
necessary.
Identify cause of overheating. Wait for 5 mins
and restart. If condition
persists, contact your
Clarke dealer.
Clean and reset gap if
necessary or replace.
Check that installation
instructions are followed.
Check spark plug wire.
Tighten or re-attach if
loose. If condition persists,
contact your Clarke
dealer for advice
Check pressure regulator
& replace if necessary.
Check that fan motor
works properly.
Check,& use a larger
cylinder or two or more in
parallel.
Check there are no
obstructions to air flow.
Check ventilation is
adequate. See also
‘Motor does not Start’.
No gas flow to the
burner.
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Cylinder gas tap closed. Open the gas tap.
Cylinder is empty. Replace cylinder.
Nozzle is obstructed. Remove nozzle & clean.
Gas leaks from supply hose
or from tap.
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Use soapy water to find
the leak and repair.
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Burner starts but stops
as the gas valve
button is released.
Thermocouple is not warm
enough or is faulty.
Weak gas supply. Increase flame intensity
Repeat the starting
operation, keeping gas
valve button depressed
for longer.
control valve setting.
SPECIFICATIONS
Model Number 900DV 1600DV 2100DV
Dimensions (L x W x H)
mm
Weight 6.65 kg 6.7 kg 8.6 kg
Fuse Rating 13A 13A 13A
Operating Voltage 230V/50Hz
Rated Input Power 100W 110W 130 W
Rated Input 110V - 1.5A
Gas Consumption (kg/hr) 1.16-1.79 1.59-2.63 3.0-3.86
Air Flow (m3/hr) 535 580 690
Gas Pressure (max) 300mBar 300mBar 300mBar
500x215x370 500x215x370 640x220x385
230V/50Hz
1ph/110V
50Hz
110V - 1.5A
220V - 0.75A
1ph/110V
50Hz
220V - 0.75A
230V/50Hz
1ph/110V
50Hz
110V - 1.5A
220V - 0.75A
Min Heat Output (kWbtu) 16.1/55,000 22/75,000 35/120,000
Max Heat Output (kW/btu 24.9/85000 36.6/125,000 50/170,000
Please note that the details and specifications contained herein are correct
at the time of going to print. However CLARKE International reserve the right to
change specifications at any time without prior notice. Always consult the
heater’s data plate.
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ENVIRONMENTAL RECYCLING POLICY
Through purchase of this product, the customer is taking on the
obligation to deal with the WEEE in accordance with the WEEE
regulations in relation to the treatment, recycling & recovery and
environmentally sound disposal of the WEEE.
In effect, this means that this product must not be disposed of with general
household waste. It must be disposed of according to the laws governing
Waste Electrical and Electronic Equipment (WEEE) at a recognised disposal
facility.
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PARTS DIAGRAM - DEVIL 900DV/1600DV
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PARTS LIST DEVIL - 900DV/1600DV
No Description No Description
1 Outer Shell 20 Fuel Tube Assembly
2 Handle Mounting clips 21 Extension Fitting
3 Handle 22 Control Valve Assembly Nut
4 Middle Cylinder 23 Control Valve Assembly
5 Front Guard 24 Male Fitting Connector
6 Orifice Assembly 25 Solenoid Valve Assembly
7 Flame Holder Assembly 26 Solenoid Valve Assembly Nut
8 High Limit Switch Bracket 27 Flame Intensity Control Knob
9 High Limit Switch 28 Control Box
10 Spark Plug Nut 29 Dual Voltage Switch
11 Spark Plug Washer 30 Dual Voltage Switch Cover
12 Spark Plug 31 Power Switch
13 Fan 32 Strain Relief Bush
14 Motor Assembly 33 Power Cable Assembly
15 Inlet Grille 34 Ignition Circuit Board
16 Thermocouple Bracket 35 Hose/Regulator Assembly
17 Thermocouple 36 Access Panel
18 Orifice Nut 37 Rubber Foot
19 Elbow Fitting
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PARTS DIAGRAM - DEVIL 2100DV
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PARTS LIST - DEVIL 2100DV
No Description No Description
1 Outer Shell 21 Elbow Fitting
2 Handle Mounting Clips 22 Fuel Tube Assembly
3 Handle 23 Extension Fitting
4 Middle Cylinder 24 Control Valve Assembly Nut
5 Front Guard 25 Control Valve Assembly
6 Orifice Assembly 26 Male Connector Fitting
7 Flame Holder Assembly 27 Solenoid Valve Assembly
8 High Limit Switch Bracket 28 Solenoid Valve Assembly Nut
9 High Limit Switch 29 Flame Intensity Control Knob
10 Spark Plug Nut 30 Control Box
11 Spark Plug Washer 31 Dual Voltage Switch
12 Spark Plug 32 Dual Voltage Switch Cover
13 Fan 33 Power Switch
14 Motor Assembly 34 Strain Relief Bush
15 Motor Mounting Bracket 35 Power Cable Assembly
16 Bracket 36 Ignition Circuit Board
17 Inlet Grille 37 Hose/Regulator Assembly
18 Thermocouple Bracket 38 Access Panel
19 Thermocouple 39 Rubber Foot
20 Orifice Nut
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DECLARATION OF CONFORMITY - UKCA
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DECLARATION OF CONFORMITY - CE
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