Clarke GRH15 Mode d’emploi

OPERATION & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC1019 - ISS 1

PORTABLE GAS RADIANT HEATER

MODEL NO: GRH15

PART NO: 6920018

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INTRODUCTION

Thank you for purchasing this CLARKE heater.

This portable gas radiant heater is designed to give safe, efficient and reliable

operation and is for use with Propane Gas only. Propane gas bottles are

readily available from builders merchants or gas suppliers.

The heater intended for drying and the warming of commercial/industrial

buildings where adequate ventilation is provided.

• It must always be operated as prescribed in this manual.

• It is not intended 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.

• 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.

• It is not intended for warming animals or live stock.

• We recommend the use of a carbon monoxide detector.

As with any equipment, optimum performance will only be achieved if the

correct application and servicing procedures are followed.

Proper combustion depends upon correct air flow and 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.

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.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

GENERAL SAFETY PRECAUTIONS

Read and ensure you fully

understand the following precautions

and the hazards associated with this

type of equipment.

1. Check the heater thoroughly for

damage. NEVER operate a

damaged heater.

2. DO NOT modify the heater or

operate a heater which has been

modified.

3. Use only propane gas (LPG).

4. Use only a VAPOUR WITHDRAWAL

propane supply. If there is any

question about vapour with-

drawal, ask your propane dealer.

5. Position the propane cylinder

vertically (shut-off valve up).

Secure it from falling or being

knocked over and protect from

damage.

6. Locate propane bottles clear of

the heater and do not direct the

heat toward the bottle(s).

7. IMPORTANT: Use only the hose

and regulator assembly provided

with the heater. Inspect the hose

assembly before each use of the

heater. If there is excessive

abrasion or wear, or hose is cut,

replace with the hose assembly

listed on the parts list before using

the heater.

8. This heater is not to be used for

the heating of habitable areas of

domestic premises. Refer to

national regulations.

9. Position the heater such that it is

not directly exposed to water

spray, rain and/or dripping water

10. This heater is for indoor use only in

well ventilated areas.

11. If at any time, gas odour is

detected, IMMEDIATELY STOP

operation until the source of the

gas has been located & rectified

12. Maintain adequate clearance

from normal combustible material

13. DO NOT place the heater near

combustible materials such as

curtains, furniture etc. Allow at

least 1 metre clearance.

14. Due to the high surface

temperatures, users must observe

sufficient clearance to avoid

burns or clothing ignition.

15. Use only on a firm, level surface.

16. DO NOT use with ductwork. Do

not restrict air circulation.

17. DO NOT move, handle or clean

while hot or burning.

18. Use only in accordance with local

codes of practice.

19. DO NOT apply any torsional stress

to the hose.

20. DO NOT leave the heater un-

attended, for example, left on at

night.

21. The heater is designed to heat

enclosed areas larger than such

as workshops. Do not use the

heater for any other function. It is

not suitable for drying clothes or

laundry.

22. Young children must be kept

away unless continuously

supervised.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

FRESH AIR REQUIREMENTS

• DO NOT use in unventilated areas.

• The flow of combustion and ventilation air must not be obstructed.

RISKS OF CARBON MONOXIDE POISONING

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 carbon monoxide poisoning are:

•headaches

•dizziness

• nausea

• dry mouth or sore throat

• blurred vision

• shortness of breath

• confusion

• loss of consciousness

Should anyone show these symptoms they must GET FRESH AIR IMMEDIATELY.

Turn off the heater and have it serviced before using it again.

Be sure to follow all warnings in this manual.

WE RECOMMEND THE USE OF A CARBON MONOXIDE DETECTOR

WARNING: PROVIDE AT LEAST A 3FT2OPENING OF FRESH, OUTSIDE AIR

WHILST USING THIS HEATER. IF FRESH OUTSIDE AIR VENTILATION IS NOT

PROVIDED, CARBON MONOXIDE POISONING CAN OCCUR.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

IF YOU SMELL GAS

Liquid Propane gas has a man-made

odourant added specifically for detection

of gas leaks.

If a leak occurs you should be able to

smell the gas. Since Propane (LP) is

heavier than air you should smell for the

gas odour near to the floor. ANY GAS

ODOUR requires immediate attention.

1. DO NOTHING that could ignite the

gas. DO NOT operate any electrical

switches. DO NOT unplug any power

supply or extension cables. Do not

light matches or cause any other

source of flame. DO NOT use your

phone.

2. Get everyone out of the building and

away from the area immediately.

3. Close all propane (LP) gas bottle fuel

supply valves.

4. Propane (LP) gas is heavier than air

and may settle in low areas. When you

have reason to suspect a propane

leak, keep out of all low areas.

5. Use your neighbours phone and call

your fire department. DO NOT re-enter

the building or area.

6. Stay out of the building and away

from the area until declared safe by

the firefighters.

7. FINALLY. let the firefighters check for

escaped gas. Have them ventilate

the building and area before you

return. Properly trained service people

must repair any leaks, check for

further leakages and then re-light the

heater for you.

8. IF YOU SMELL EVEN A SMALL

AMOUNT OF GAS, CONTACT

YOUR FIRE DEPARTMENT. DO

NOT WAIT!

NO ODOUR DETECTED

1. Some people cannot smell the odour

added to propane (LP). You must

determine if you can smell the

odourant in this fuel.

2. Learn to recognize the odour of

propane (LP) gas. Local propane (LP)

gas dealers will to give you a “scratch

and sniff” pamphlet. Use it to become

familiar with the fuel gas odour.

3. Smoking can decrease your ability to

smell. Being around an odour for a

period of time can affect your

sensitivity to that particular odour.

Odours present in animal confinement

buildings can mask fuel gas odour.

ODOUR FADING

1. The odourant in propane (LP) gas is

colourless and the intensity of its odour

can fade under some circumstances.

2. Propane (LP) gas odour may differ in

intensity at different levels. Since

Propane (LP) gas is heavier than air,

there may be more odour at lower

levels.

3. Always be sensitive to the slightest gas

odour. If you continue to detect any

gas odour, no matter how small, treat

it as a serious leak.

CRITICAL POINTS TO REMEMBER!

1. Propane (LPG) gas has a distinctive

odour. Learn to recognize the odour.

2. A periodic sniff test around the joints;

i.e. hose, connections. etc., is a good

safety practice under any conditions.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

FEATURES OF THE GRH15

Understanding the basic operation of the heater will reinforce the need to

maintain it in top condition at all times whilst always observing the safety

precautions.

The heater comprises of three basic systems:

1. The gas system.

2. The ignition system.

3. The safety control system.

GAS SYSTEM

The gas supply to the heater is by means of a high pressure hose, connected

to a LPG cylinder via a pressure regulator. When the gas shut off valve is

opened, gas will flow to the control valve and finally into the burner.

This heater is designed for use with PROPANE GAS ONLY. Gas bottles are readily

available from builders merchants or gas suppliers etc.

This heater is designed to operate with a minimum 20 pound (9 kg) propane

bottle. Note that less gas is vaporised at lower temperatures. Your local

propane gas dealer will help you select the proper gas supplies.

IGNITION SYSTEM

A Piezo-electric igniter is positioned at the burner head. When the igniter

button is depressed a high intensity spark is generated which ignites the gas.

Heat from the flame is sensed by a thermocouple connected to the control

valve. As the thermocouple heats up, the control valve opens so that after a

short period, the control valve button (see Operation page 10) may be

released and the gas flame is established.

SAFETY CONTROL SYSTEM

Should the flame extinguish for any reason the thermocouple will quickly cool,

causing the control valve to close, shutting off the gas supply.

Additionally, the heater is fitted with a ‘Tip Over Switch’ which operates should

the heater be tilted by more than 35-40 degrees, thereby shutting off the gas

supply.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INSTALLATION

UNPACKING

Remove the heater from the carton and remove all protective material used

for shipment. Check the heater for possible shipping damage. Should any

damage be apparent, please notify your CLARKE dealer immediately.

ASSEMBLING THE SUPPORT STAND

1. Connect the stand base section to

the upper part and secure with the

wing nut supplied.

LOCATING THE HEATER

Although a ‘tip-over’ switch is fitted, the heater and propane gas cylinder

must both be located on a hard, level surface to minimize the risk of

accidental tipping. The propane gas cylinder should be adequately

restrained if needed. Only operate this heater with the supply cylinder in the

upright position.

This heater must only be used in locations where the potential for damage to

the heater or personal injury (burns), is reduced to a minimum.

The heater must be located where it will not be exposed directly to rain and/or

dripping water.

Use of this heater in a drafty area reduces its efficiency. Wherever possible,

operate in a draft free area.

The heater must always be directed away from the propane gas cylinder.

Position the heater at a safe distance of 1 metre from combustible materials.

The heater must not be used on floors covered in combustible materials.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

GAS CONNECTION

The hose for connecting the heater to the gas bottle is supplied loose and

must be fitted by the user.

Make the connection to the propane cylinder in a well ventilated area using

the regulator and hose assembly supplied. The gas hose and cylinder must

ALWAYS be positioned behind the heater at the full length of the hose

1. Attach the regulator to the gas cylinder ensuring the cylinder connection is

perfectly clean. Blow out with compressed air if necessary to blast away

any dust or dirt. (Use eye protection when working with compressed air).

2. Remove the protective plug by

unscrewing clockwise.

3. Check the bullnose connection on

the regulator for any visible

damage before connecting to the

cylinder.

WARNING: PROPANE GAS CYLINDERS MUST BE USED AND STORED IN

ACCORDANCE WITH THE ‘HIGHLY FLAMMABLE LIQUIDS AND LIQUEFIED

PETROLEUM GASES REGULATIONS 1972.

WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A

FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE,

PERSONAL INJURY OR LOSS OF LIFE.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

4. Place the regulator on the cylinder

connection and hand tighten by

turning anti-clockwise.

5. Tighten firmly using a gas spanner

(or an adjustable spanner),

continuing in an anti-clockwise

direction.

6. Simply turn the valve hand wheel anti-clockwise when you need to start

the flow of gas. Ensure that you turn the cylinder off when not in use.

7. In order to reduce the risk of icing up when operating for long periods at

maximum capacity, you should use a larger capacity gas bottle.

8. Open the cylinder gas valve and check all gas connections with a soap

and water solution. To check for leaks using soapy water or liquid soap

ONLY. NEVER USE A FLAME.

9. Use a full cylinder wherever possible with good air circulation and no frost

on the cylinders.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

OPERATION

FIRST USE

Read these instructions carefully. DO

NOT allow anyone who has not read

the instructions to light, adjust, or

operate this heater.

DO NOT attempt to operate the

heater with any fuel other than LPG

(liquid propane gas).

The heater reaches a very high

temperature and during first use you

may notice an odour coming from

the heater. This is quite normal and

will disperse quickly.

(It is recommended the heater is

initially run outdoors on the first

occasion to enable the odour to

clear).

Set the burner at the required angle

to project the heat forward as shown.

LIGHTING THE HEATER

1. Ensure that the gas is correctly connected and leak free. Turn on the gas

supply at the bottle and at the shut off valve (marked ON/OFF on the

knob).

2. Press and hold the control valve plunger whilst repeatedly pressing the

piezo-electric button until the burner ignites.

• Once the burner ignites, keep the control valve plunger depressed

for 12-15 seconds or until the burner stays lit after it is released.

WARNING: BEFORE STARTING THE HEATER YOU MUST ENSURE THAT THE

MINIMUM VENTILATION REQUIREMENTS ARE OBSERVED TO AVOID THE

RISK OF CARBON MONOXIDE POISONING.

WARNING: THIS HEATER WILL BE HOT DURING NORMAL OPERATION.

AVOID PHYSICAL CONTACT. DO NOT ALLOW CLOTHING OR OTHER

COMBUSTIBLE MATERIALS TO TOUCH THE HEATER.

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