Ambirad Tornado 600 Installation guide

Operation, maintenance

and servicing manual

Wolfe Design Ltd

MOBILE RADIANT

HEATERS

Health & safety details

Technical details

Moving the product

Operating instructions

Cleaning & maintenance

Servicing instructions

Fault finding

Ducted options

Spare parts

MOBILE RADIANT HEATER

Index

Important

Read these instructions before use.

This appliance must be installed in accordance with such

regulations as are in force.

This appliance is for indoor use only.

Subject to compliance to clearance distances ventilation and flue

requirements detailed in these instructions the heater can be used

inside marquees.

Only use in a well ventilated area. See technical details Section 2.

The heater is not for domestic use.

The heater is designed for space heating only.

Do not use the heater in basements or below ground level.

This appliance is fitted with a hose and regulator.

These instructions must be given to the user.

Suitable gloves should be worn when handling this equipment.

Observe the cool down period and never handle the heater when

hot.

Never place any objects, particularly combustible materials on top

of the heater and always ensure that flues are not obstructed.

Bend knees when lifting the product via the handles for wheeling.

Gas leaks

Propane gas is highly flammable and heavier than air.

Consequently in the event of a gas leak there is a risk of explosion.

Prior to use, check gas supply connections with leak detection

solution. Never use a naked flame when checking for a gas leak.

In the event that bubbles are noted either rectify if

considered competent or consult your supplier.

Do not use the heater until the fault is rectified.

In the event of a gas leak evacuate people from the immediate

area and open doors and windows.

Do not operate electrical switches.

If a lot of gas has escaped call the Fire Service.

After ventilating the room turn off the gas valve, and disconnect

the electrical connector to the heater.

If the appliance is hot leave to cool then with the aid of a

competent person identify and rectify the source of the leak.

Gas cylinders

This heater is designed to be used with 47kg propane bottles.

Gas cylinders are heavy, never attempt to lift a cylinder, full or

empty, by yourself. Always get help.

Keep cylinders upright at all times during use, transporting and

when stored.

Liquid gas can cause severe freeze burns so avoid skin contact by

wearing gloves when making connections or handling the

cylinder. If ice is noted on the cylinder ensure that cylinder is not

leaking. If leaking is suspected do not use the cylinder.

Do not drop or knock a gas cylinder in that damaged cylinders can

be dangerous.

Do not store full or empty bottles in the operating area of the

heater and never apply heat to the cylinder.

Electrical supply

The heater is suitable for use with either a 230V/50Hz or

110V/50Hz supply. A selector switch enables the user to choose

the desired voltage. See section 3 step 4.

Only female electrical connectors compatible to the male

connectors on the rear of the unit must be used.

Always switch off and unplug the equipment when not in use.

Countries of destination

GB, IE, BE, CH, FR, NL, ES & PT.

Model

Heat input gas kW 51 45

Gas type Propane G31

Gas category I3p(37) I3p(30)

Supply press mbar 37 30

Injector size 4.6 4.6

Electrical supply 110V

Electrical input 400W

Weight 85kg

Hose 1.5m lg, 8mm ID approved to

EN 1763-1 BS3212 (UK Only)

Regulator 4kg/h 4kg/h

37mbar 30mbar

Min Room size 510m3

Required

ventilation 1275cm2

1 Health & safety details

2 Technical details

Ensure that you have read all other detail included in these

instructions prior to following the operating instructions detailed.

Plug the supply lead into the connector on the rear of the product

and put the rocker switch next to the connector inlet to the ‘ON’

position.

Figure 1 Wheeling

Figure 2 Standing for storage

Step 1

Step 3

Uncoil the hose from around the rear ring.

The heater can be operated on either a 110 or 230 volt electrical

supply by inserting a suitable connector/lead into either the 110 or

230 volt appliance connectors.

Attach the regulator to the gas bottle using the spanner provided.

Note Left hand thread.

Ensure the hose is not twisted or damaged and that the gas bottle

is positioned at the side of the unit to avoid heating at the outlet.

Note When positioning the heater please ensure that all inlets and

outlets are unrestricted there are no combustible materials in the

vicinity. Please ensure the heated air is not directed towards the

gas bottle.

Step 2

4 Operating instructions

3 Moving the product

MOBILE RADIANT HEATER

Thermostat Control

The temperature of the building can be controlled using either the

local or optional remote thermostat.

After switching on the mains supply, ignition is controlled by the

automatic ignition unit incorporated on the burner assembly.

Firstly, the combustion and convection fans will be heard running

then after a delay of 15-20 seconds the igniter will be heard to

spark. On ignition the amber light will illuminate. If ignition does

not occur then there is probably air in the gas line.

Re-ignition can be attempted by switching the switch on the rear

of the product from either ON-STAT or ON-NO STAT to OFF then

ON again. If ignition still does not occur consult section 7 Fault

Finding.

Note Connecting and disconnecting cylinders MUST take place in a

flame free atmosphere. When the appliance is not going to be used

for a period of time the unit MUST be disconnected from the

electrical mains and gas cylinder.

When heating is complete, turn OFF the gas supply. Leave the

electric supply turned ON to enable the combustion fan to

operate for 10 minutes to cool the product prior to moving.

After cooling is complete, switch the 3 position rocker switch

(Step 7) on the rear of the product to the OFF position and

disconnect from the electric supply and remove the electrical

connector.

Disconnect the gas supply and recoil the hose around the rear

ring assembly and position the regulator in the clip provided.

Note If the appliance is not to be used for a period of time, ensure

that the appliance is stored in a dry environment.

Step 5

Step 6

Step 7

Local thermostat - set the rocker switch to the local stat position.

Remote thermostat - set the rocker switch to the remote stat

position. (See Step 4). Plug the remote stat lead into the remote

stat socket. A remote thermostat kit is available from Ambi-Rad

by quoting part number 200587.

Adjust the thermostat control to the desired temperature.

Set the 3 position rocker switch to either the 110 or 230 volt

position

Step 4

Step 8 Disconnection

Health and safety

This heater should be serviced annually.

These instructions are intended to be used only by competent

service engineers, and details all the service operations that are

authorised by the manufacturer.

Isolate gas and electrical supplies before carrying out any repair

work. Always test for gas soundness with a suitable leak

detection fluid. Use gloves and safety glasses.

If it is not possible to leave the appliance in a safe condition,

disconnect the plug on the electronic sequence controller.

Required tools

4mm Allen keys.

Phillips screwdriver.

6” Adjustable spanner.

Combustion fan maintenance

The hose should be checked regularly for its integrity, if any

damage is found the hose must be replaced. See Technical

details for hose details.

Ensure that the air intakes and flue outlet on the sides of the

product are clean and free from any blockage.

The casing can be cleaned with a soft cloth and a mild

detergent as required

5 Cleaning & maintenance

6 Servicing instructions

Step 1

Place the product on the rear ring in the vertical position to gain

access to the fan cover.

Step 2

Remove the fan access cover.

Remove the four bolts that attach the fan to the base of the

product.

Inspect the main fan impeller and remove any dust by brushing

with a soft brush. Similarly remove any dust from the finger

guard covering the secondary (cooling) impeller and the mesh

aperture in the motor cover.

Ensure that the impeller turns freely and that there is not

excessive play in the bearings.

Following any servicing the correct operation of the appliance

should be verified by following the operating instructions.

Ensure electricity supply is isolated. Open the controls cover and

remove the live, neutral and earth leads from the terminal block.

MOBILE RADIANT HEATER

Axial fan & heat exchanger

Step 1 Axial fan

Remove the 4 nuts securing the axial fan to the rear spinning

assembly.

Check that the fan spins freely without any sign of being out of

balance or bearing noise. If so replace the fan.

If fan operation appears fine, then with a soft brush remove dust

from the impellars and motor.

Replace the fan after checking the heat exchanger assembly.

Burner maintenance

Step 1

Remove the screws fixing the rear spinning to the case assembly

and the gas hose.

Step 2

Remove the bolts securing the rear support to the case assembly.

Step 2 Heat exchanger assembly maintenance

Remove the screws fastening the front spinning to case assembly.

Using a soft brush remove any dust and dirt from the rigid tubes,

flexible coil and reflector gaining access front and rear of the

product. Inspect the tube assembly and if holes or internal

blockages are suspected either replace the at risk component by

removal of the heat exchanger assembly through the front of the

product or clear any blockage.

Refit the front spinning assembly.

Step 4

Remove the screws fixing the burner assembly to the case.

Step 7

Access to the injector is by removal of the screws that attach the

gas valve fixing plate to the burner assembly.

On removal of the screws and plate inspect the injector and clean

as necessary. Do not broach out.

Step 5

Slide the burner assembly away from the firing tube to reveal the

burner assembly.

Inspect the burner electrode assembly condition taking care when

reassembling to ensure that the leads to the assembly are fitted

the same way as on removal. If the electrode assembly is in good

order check the spark electrode gap. This should be

3.5mm + 0.5mm. Adjust the gap if necessary by bending the

earth rod.

Step 6

With a soft brush remove dust from the burner head filter.

If a blockage is suspected replace the filter by removing the ignitor

assembly and with a small screwdriver prise the filter from its

location.

Re-fit.

MOBILE RADIANT HEATER

Step 3

Slacken the grub screw securing the burner to the firing tube.

Step 1

Step 7

Access to these components is via the hinged lid. Remove the lid

securing screws.

Step 2

Components can be seen behind the hinged lid. Replace as

required ensuring connections are made in the same order as on

removal.

Component replacement

To replace gas safety control valve

4mm Allen keys.

Phillips screwdriver.

6” Adjustable spanner.

Follow instructions for burner maintenance steps missing out step

At step 7 do not remove the injector, but unscrew the injector

carrier and fulham hose nozzle from the gas valve. The valve can

be replaced and the injector carrier and fulham hose nozzle

re-fitted using an approved pipe joining compound on the threads

of both components.

Carry out commissioning. The governor should be fully screwed in,

i.e put out of action.

To replace the electronic sequence controller, transformer,

thermostat and pressure switch

To remove the injector with the burner head removed, unscrew

the injector from its carrier using a spanner on the hexagon

portion of its body. When replacing the injector ensure that it is

fully tightened in its carrier. Replace the sealing gasket if this is

not in good condition.

Figure 1 Vacuum switch connections

Figure 2 Wiring diagram

MOBILE RADIANT HEATER

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