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Waste Oil Heaters - AT Range with manual ignition



DON’T throw away that waste oil...
DON’T throw away that waste oil...

Thermobile Waste Oil Heaters can be operated using waste oil from diesel or petrol engines, gearboxes, transmissions, hydraulic systems, diesel oil or any combination of these. The following must not be used; solvents, thinners, petro-chemical based oils, transformer oil or any oil above S.A.E. 90.

Full combustion is achieved in a vaporising system and non burnable residue is retained in the burner pan. This system does not produce any unpleasant smell or smoke and the emissions from the flue stack are well below permitted contamination levels.

AT306

AT306 Waste Oil Heaters are recommended only for workshops where no explosive vapours are present.

AT307, AT400, AT500

Waste Oil Heaters Model AT307, AT400 and AT500 have been developed primarily for the automotivemarket. Model AT306 produces radiant heat only, whilst model AT307 produces acombination of radiant heat plus hot air from the top mounted ‘THERMO’ blower.Model AT400 and AT500 have a high capacity axial fan providing a heated air flow of 3,000 cubic metres per hour.

The high efficiency of the AT400 and AT500 is achieved by a built-in, large surface heat exchanger, through which all the gases have to pass before entering the flue.

A high capacity axial fan draws air from the workshop over the heat exchanger and combustion chamber and expels warm air into the building, providing a constant recycling of warm air.

Other high quality features of AT400 and AT500 Waste Oil Heaters are the specially designed gear wheel pump system, the burner pan overflow safety device, overheating and motor protection and a pressure release valve on the combustion chamber.

All models are equipped with a fuel tank that can be easily removed for cleaning purposes. Thermobile Waste Oil Heaters are backed by 35 years of experience in manufacture and development of space heaters. They are built using the most up-to-date technology and carry a 12 month warranty, ensuring full customer satisfaction.

This heating technology permits the end user to recover the investment costs within possibly one heating season because of the savings made from using waste oil instead of a more expensive fuel oil.

WASTE OIL HEATERS & FLUE STACK INSTALLATION

Errors to be avoided when installing the flue stack

Waste Oil Heater Flue Stack Installation

Flue gases can not rise in a horizontal stack and bends also restrict their movement. If flue bends are used then we recommend 45° bends instead of 90° and a gradual sloping stack.

Waste Oil Heaters

In Waste Oil Heaters flue gases must not cool down inside the flue because:- (a) they should rise create draught; and (b) condensation has to be avoided.

It is important that as much of the flue as possible (two thirds minimum) is installed within the building. If this is not possible, then twin wall (insulated) flue may be necessary.

Further Waste Oil Heaters

The flue must reach above the apex of the roof otherwise the prevailing winds will affect the flue draft.


INSTALLATION OF WASTE OIL HEATERS

Waste Oil Heaters must be installed on a completely level, concrete floor.

The positioning of the heater in the workshop must take into account the following factors.

Except for model AT306 it is recommended that the unit is installed so that the combustion fan draws in clean air from outside the building ensuring that no vapours, dust or oxygen can be sucked in from the workshop floor.

All flue pipe connections must be adequately sealed.

A flue draught stabiliser is essential for every model and is supplied with the standard flue stack.

For efficient operation a minimum flue height of 1 metre above the roof apex and 6 metres above ground level is required.

N.B. The installation of the flue stack is the most important aspect in the efficient operation of all Waste Oil Heaters.

Providing the flue is installed correctly, combustion-dish is cleaned daily and suitable waste oil is used, the customer will obtain trouble free operation.

A detailed instruction and service manual is supplied with all Thermobile Waste Oil Heaters.

The Environmental Protection Act 1990 Part 1.

On 1st January 1991 the Environmental Protection Act came into force introducing new controls over air pollution and included provisions to cover waste oil or recovered oil burners. Waste Oil Heaters should not be operated until they have been registered with the relevant Local Authority. Application Forms are available from your local District or Borough Council. “Local Authorities are expected to determine applications for new appliances within 2 weeks of receipt.”

INDIVIDUAL FLUE COMPONENTS

Part No. Description
Individual Flue Components for Waste Oil Heaters model AT306, AT307 & AT400
41.900.821 Flue Pipe, 1 metre x 150mm
41.900.822 Flue Pipe, 1/2 metre x 150mm
41.900.818 Flue Pipe Adjustable (540mm to 900mm x 150mm)
41.900.871 Terminal Pipe, 1 metre x 150mm
41.900.820 Changeover Pipe, 1 metre x 150mm
41.900.832 T-Piece & Draught Stabiliser & Condensation Trap
41.900.825 Flue Bend, 45° x 150mm
41.900.834 Wall Band for 150mm Flue Stack (locate at 3m centres)
41.900.857 Guy Wire bracket 150mm
41.900.865 Angled Roof Flashing 150mm - Sheet Aluminium
41.900.866 Flat Roof Flashing 150mm - Sheet Aluminium
41.900.860 Storm Collar 150mm

Individual Flue Components for model AT500

41.910.212 Flue Pipe, 1 metre x 200mm
41.910.215 Flue Pipe, 1/2 metre x 200mm
41.910.230 Flue Pipe Adjustable (540mm to 900mm x 200mm)
41.910.234 Terminal Pipe, 1 metre x 200mm
41.910.214 Changeover Pipe, 1 metre x 200mm
41.910.229 Flue Bend, 45° x 200mm
41.910.204 T-Piece & Draught Stabiliser & Condensation Trap
41.910.221 Wall Band for 200mm Flue Stack (locate at 3m centres)
41.910.206 Guy Wire bracket 200mm
41.910.207 Angled Roof Flashing 200mm - Sheet Aluminium
41.910.208 Flat Roof Flashing 200mm - Sheet Aluminium
41.910.209 Storm Collar 200mm

Wall Band Extensions - Applicable to 150mm and 200mm Bands

41.900.835 Extension Arm - 50mm
41.900.836 Extension Arm - 100mm
41.900.837 Extension Arm - 150mm
41.900.838 Extension Arm - 200mm
41.900.839 Extension Arm - 250mm
Extras
40.000.238 Draught Stabiliser (supplied with T-Piece assembly)
41.900.868 Dektite Flexible Roof Flashing - Universal 150mm and 200mm
41.900.869 Dektite Fixing Kit for Flashing

Thermobile reserve the right to alter prices and specifications without notice

 

Technical Details of Waste Oil Heaters
 
AT306
AT307
AT400
AT500
Capacity Btu/hr (1)
Max
Min
80,000
60,000
80,000
60,000
112,000
64,000
170,000
102,000
Fuel Consumption L/h (1)
Min
Max
2
3
2
3
2.5
4.3
3.8
6.2
Tank Capacity
Litres
50
50
55
55
Weight
Kg
67
84
130
175
Current
A
0.23
0.8
1
2
Flue Connection
Ømm
130
130
130
180
Heated Airflow
m 3 /hr
-
1000
3000
3000
Max. space to be heated (2)
cu. ft.
16,000
16,000
22,400
34,000

(1) Output depending on type of waste oil (2) Depending on building insulation

 

 
A
‘Width’
B
‘Depth*’
C
‘Height’
AT306
54cm
(21")
98cm
(39")
113cm
(44")
AT307
54cm
(21")
105cm
(41")
127cm
(50")
AT400
82cm
(32")
110cm
(43")
108cm
(42")
AT500
82cm
(32")
115cm
(45")
128cm
(50")

*Depth includes ‘T’ pieces for flue stack


INFORMATION RELATING TO FLUE PIPING

The standard flue kit consists of:-

Models AT306, AT307 & AT400

1 x T Piece complete with Draught Stabiliser 4 x 1m lengths of Flue Piping (150mm dia.)
including change-over length.

1 x Terminal Pipe

Model AT500

1 x T Piece complete with Draught Stabiliser 5 x 1m lengths of Flue Piping (200mm dia.)
including change-over length.

1 x Terminal Pipe

Supports

Wall bands are available to suit the Flues and for wall fixed installation should be located at 3 metre centres. The bands give a 50mm clearance to the wall but extension brackets are also available with depths of 50mm, 100mm, 150mm, 200mm and 250mm. When combined with wall bands the extensions offer a wall clearance of 50mm to 300mm

A Guy Wire fixing bracket is available to provide extra lateral support where the flue extends more than 1.5m above the last wall band, or for inter-connection with the roof flashing

Roof Penetrations

Flat and angled flashings of sheet aluminium are available to provide to provide suitable weather cover where the flue penetrates a roof. ‘Dektite’ silicone flashings are also available and highly recommended

Storm collars of aluminium are also available and should be fitted to the pipe immediately above the flashings

Terminations

To prevent leakage of rainwater into the pipe at joints which may be exposed above roof level, a change-over section is supplied in the flue kit. This section of pipe is provided with a male crimped coupling at each end and is designed for use where the flue passes through the roof: one end should be installed inside the building and one outside. Any subsequent components are installed inverted, i.e. with the male coupling upwards and fitted and secured in the normal way.

Rain caps are not permitted with waste oil fired heaters. The terminal pipe is designed to deflect rain water down the outer section

NB. All lengths and fittings are fabricated from 0.55mm Type 430 Stainless Steel.

 

For Further information on our At Range - Manual Ignition, or any similar products please contact us.