Alke 81 Series Manual do utilizador, de serviço e de instalação - Página 4

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Alke 81 Series Manual do utilizador, de serviço e de instalação

Safety Distances

to the ceiling (A)

to the ground. (B)

in front of heater (C)

to the back (D)

to side walls (E)

The minimum distance to non-combustible materials depends on the specific local situation. Keep in

mind that there must be sufficient free space left to vent the combustion gases away. Otherwise, they

will influence the combustion and proper function of the heater. On locations where the combustion

gases can vent away easily, a minimum of 25 cm to the ceiling is advisable. Note: Be aware that some

non-combustible materials can be subject to discolouring when they become too hot.

Warning: be careful with the use of heaters in places with storage of manure. Manure can contain large

amounts of methane and other inflammable gases.

Ventilation

These models of appliances are of the so-called type A1. That means that there is no independent air

supply connection and no flue connection. The flue gasses are vented away by the ventilation of the

space.

A proper ventilation is extreme important for safe and convenient operation. Lack of ventilation can

cause production of carbon monoxide (very poisonous). Sufficient ventilation shall be guaranteed by a

monitored fan or by permanent, non-adjustable, ventilation openings. Consult EN13410:2001 for more

details.

Beside other important requirements this standard EN13410 states in short that a 1,5 times room air

replacement per hour is sufficient in most situations. Also, a maximum of 5W heat input per m3 room

content is considered to be safe. If this is not the case make sure that a minimum of 10m3/h air

replacement per 1 kW heat input is guaranteed by means of fans or ventilation openings.

In case local requirements ask for more stringent ventilation, or when animals ask for more ventilation,

always follow the most stringent requirements. In case there are no requirements or standards for

ventilation in the country of installation, a minimum ventilation of 20m3/h per kW heat input is advisable.

Check regularly if fans are working properly and ventilation openings are not closed.

Game rearing

Ceramic heaters are used a lot for game rearing. Especially for game rearing, due to the small cages

and active birds, pay a lot of attention to cleaning and ventilation. While the cages are small, the effect

of lack of ventilation and not cleaning will be directly cause the death of birds in a short time. While

normally only one heater is used for one cage, we advise to add an independent temperature alarm

system for those situations where a temperature drop due to a (gas)failure will result in bird loss.

Installation

The heaters are intended for suspension only. Mount a chain with a S-hook to the suspension hook of

the heater. The chain and S-hooks shall be galvanised or made of stainless steel. Mount the chain to a

rigid part of the construction of the building. Do not use the gas line, gas hose or electric lines for

suspension purposes. Never use rope or plastic mounting materials. Place the S-hooks at such a place

that the heater reflector makes an angle of approximately 15 degrees to the horizontal and with the gas

safety device at the lower end. Never hang the heater horizontally while in that case the flue gases will

influence a proper combustion. Make sure that in case of draft in the barn, the heaters are turned in

such a way that the radiation surface is not influenced by the draft.

The gas safety device can handle a maximum temperature of 60 degrees Celsius. Be sure that the

heater is not mounted in such a way that this temperature will be reached (e.g. by other heaters in close

vicinity). Take into account the safety distances mentioned on page 3. After installation always check if

Version 1.0: March 2018

>50 cm

>60 cm

>90 cm

>50 cm

manual number: 0009 0520EN