PART NO: 6931003, 6931004, 6931006, 6931008, 6931012
OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS
DL0425 ISS 13
Page 2
INTRODUCTION
Thank you for purchasing this CLARKE product. Before attempting to use this product,
please read this manual thoroughly and follow the instructions carefully.
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.
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.
This is a forced air heater meaning that a blower or fan pushes the air through the
heater. Proper combustion depends upon the air flow.
Therefore, the heater must not be modified or operated with parts removed or
missing. Likewise, safety systems must not be circumvented or modified in order to
operate the heater.
This heater is intended for drying and the warming of commercial/industrial buildings
where adequate ventilation is provided.
This heater is not intended;
• 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.
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.
CAUTION: DUE TO THE HIGH SURFACE AND EXHAUST
TEMPERATURES, ADULTS, CHILDREN AND ANIMALS MUST KEEP
CLEAR OF THE UNIT TO AVOID BURNS OR CLOTHING IGNITION.
Your safety is important to you and to others, so please read these
instructions before you operate this heater.
1. Failure to comply with the precautions and instructions provided with this heater
can result in death, serious bodily injury and property loss or damage from the
hazards of fire, explosion, burns, asphyxiation, carbon monoxide poisoning, and/
or electric shock.
2. Only persons who understand and follow the instructions should use or service
this heater.
3. When used, the heater should rest on a non-combustible floor extending 3 feet or
more beyond the heater in all directions.
4. NOT for home or recreational vehicle use.
5. DO NOT use petrol or other volatile fuels. ONLY use diesel or paraffin.
6. Turn off and disconnect the heater from the power supply before adding fuel.
7. ALWAYS re-fuel in a well ventilated area, away from any open flame or other
sources of ignition.
8. DO NOT use an external fuel source.
9. DO NOT use the heater where flammable liquids or vapours may be present.
10. DO NOT start the heater when the combustion chamber is hot.
11. Plug the electrical cable into a properly grounded mains socket.
12. DO NOT leave the heater unattended when in use.
13. DO NOT start or use the heater if there is unburned fuel in the combustion
chamber.
14. DO NOT use if dropped. Check the heater thoroughly for damage. NEVER
operate a damaged heater.
15. This heater is for indoor use only.
16. DO NOT use this heater in the immediate surrounds of a bath, a shower or a
swimming pool.
17. 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.
18. Use in well ventilated spaces and provide at least 3 ft2 (2800 cm2) of fresh air for
every 100,000 BTU/hr (30kW) of rating. Increase air openings for each additional
heater.
19. ALWAYS keep combustibles, like textiles, paper and wood at least 8 ft. (2.4 m)
from all sides of the heater. Locate the heater 10 ft. (3 m) from canvas or plastic
coverings and secure them to prevent movement.
20. Make sure that the heater is not directly exposed to rain or water spray.
21. NEVER use in living spaces and/or where children or animals may be present.
22. DO NOT use for warming animals or live stock.
23. DO NOT use with ductwork. DO NOT restrict air inlet or exit.
24. DO NOT move or service the heater while hot or in operation.
25. Use only in accordance with local regulations and relevant building codes.
26. 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.
27. If the power supply cable is damaged, it must be replaced by the manufacturer, its
service agent, or similarly qualified persons in order to avoid a hazard.
28. 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.
29. 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.
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, anemia 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
MINIMUM FRESH AIR OPENING REQUIREMENTS
These heaters are specified as having a minimum fresh air opening requirement of
3 ft2 (2800 cm2) of fresh air for every 100,000 BTU/hr (30kW) of rating.
OPERATING SPACE
DO NOT obstruct the air intake to the heater and allow the following minimum
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 BS1363/A plug fitted with a BS1362 7 amp fuse.
If the plug has to be changed because of damage, it must be removed and a
replacement fitted, following the wiring instructions shown below. The old plug must
be discarded safely, as insertion into a power socket could cause an electrical hazard.
WARNING: WIRES IN THE MAINS LEAD ARE COLOURED IN
ACCORDANCE WITH THE FOLLOWING CODE:
GREEN/YELLOW = EARTH, BLUE = NEUTRAL, BROWN = LIVE.
• The BLUE wire must be
connected to the
terminal which is
marked N or coloured
black.
• The BROWN wire must
be connected to the
terminal which is
marked L or coloured
red.
• The YELLOW AND
GREEN wire must be
Earth
(Green and
Yellow)
Neutral
(Blue)
Ensure that the outer sheath of
the cable is firmly held by the clamp
Always fit
a 7 Amp
fuse.
Live
(Brown)
connected to the terminal which is marked E or or coloured green.
We strongly recommend that this machine is connected to the mains
supply through a Residual Current Device (RCD)
If you are not sure, consult a qualified electrician. DO NOT try to do any
repairs.
WARNING: TO PREVENT PERSONAL INJURY, UNPLUG THE HEATER
FROM THE MAINS SUPPLY BEFORE SERVICING.
DAILY SCHEDULE
GENERAL
1. Make a general visual inspection of the heater for loose or damaged parts.
2. Check nuts and bolts are secure.
3. Damaged parts should be repaired or replaced before using the heater again.
4. Check heater operation to be sure it is operating normally as follows:
• The flame is contained within the heater.
• The flame is essentially yellow.
• There is no strong disagreeable odor, eye burning or other physical
discomfort.
• There is no smoke or soot internal or external to the heater.
• There are no unplanned or unexplained shut downs of the heater
REMOVE DUST
Clean the heater twice a season (more often under dusty conditions).
1. Remove accumulated dust from the transformer, burner, motor and fan blades
with compressed air.
2. Wipe clean with a clean dry cloth.
FUEL TANK (EVERY 500 HOURS)
Clean twice a season (during frequently used periods, clean twice a month). Drain
and flush the fuel tank with clean fuel.
The XR160 and XR210 has a rubber drain
plug (part number GF125KT240000) on
the bottom of the tank. Place a suitable
container beneath the drain plug and pull
out the plug, replace the plug before
filling the tank again.
Dirty air filters will cause an imbalance in the air-fuel mixture. The best indication that
this condition exists is an increase in odour or difficulty getting your heater to ignite.
This heater should never be operated without the filters in place. If required, clean
the filters as follows.
ACCESSING THE FILTERS
1. Make sure that the plug is removed
from the power supply before
carrying out any maintenance.
2. Remove the six screws shown and
remove the top cover of the heater.
• Remove and wash the filter
element with a mild detergent.
• Dry thoroughly and refit.
• Do not oil the filter element. If
your heater is used where there is
considerable dust or dirt.
• Clean as often as necessary (at
least approximately every 500
hrs.).
NOTE: If the filter is damaged or extremely dirty, a replacement filter of the same
type must be fitted, this is available from your local Clarke service department
part number GF50K100406.
AIR OUTPUT FILTER CLEANING
7. To clean the air output filter (Annually or as required).
• Remove the air output filter and tap the contaminated side gently on a
solid object to remove contaminates.
NOTE: Compressed air or liquids should not be used to clean this filter.
NOTE: If the filter appears damaged or extremely dirty, replace it with a new filter of
the same type must be obtained and fitted this is available from your local
Clarke service department part number GF50K100401.
8. Reinstall clean filter in to the filter body in the same position as it was when
removed.
9. Replace the filter cover and secure using the screws removed in step 4.
NOTE: When replacing the filter cover, make sure that the gasket is firmly in place
and the screws in the filter cover are tight to prevent air leaks. if the gasket is
damaged a replacement must be obtained and fitted this is available from
your local Clarke service department part number GF50K100407.
10. Refit the rear guard and replace the top cover.
11. Make sure all screws are replaced before use.
STORAGE
1. Drain any residual fuel / condensate from the fuel tank (see page 13).
2. Store the heater in a dry location free from fumes or dust.