ATTACK FD26 Manuale di istruzioni per l'uso - Pagina 8

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7. Supply and wrapping

Supply of the boiler consists of::

- cast iron body

- on the cast iron body there is a set of ............and a bag with the documentation (instruction for use, waranty , list of service

organisations, manufacturing label)

- inside the cast iron body there is an ash collector and 2 bags:

1.bag contains a screw with bakelite knob for the manual adjustment of the blast gate damper, a contact spring and

a M6 lever, to be fixed at the blast gate damper..

2.bag contains:a thermomanometer, thermostatic draught regulator,, 2 flanges for the boiler, 2 flange packings, 8

screws with hexagonal head, 8 fan-shaped washers, return valve

Boiler casing (sidewall right and left, top cover, front panel with the logo of the manufacturer, rear cover, protective bar and 3

selftapping screws) in a cardboard box.

8. Appliance for excessive heat removal - cooling circuit

( must be used in the system of closed draught )

A cooling circuit serves to excessive heat removal so that the highest water temperature in the boiler was not overreached i.e.

110°C . The cooling circuit is connected to the boiler flanges .

In case the pump stops working, discharge water is cooled by the cooling circuit, as overheating could cause opening the

thermoregulating valve by 95°C. Return water is carried with the help of an interconnection between cooling circuit and the flange

of return water.

To all the ATTACK FD boilers used in the system of closed ventilation it is NECESSARY to use a

cooling circuit and a termoregulation valve, in order to accept the warranty.

Termoregulation valve "STS20"

- Min.temperature

- Set-up temperature

/initial opening/

97°C

- Max.flow temperature

- Max.operation pressure 10 bar

- Max.flow

8a. ATTACK FD boiler used in the system of open ventilation and natural water

passage

In the system of open ventilation and natural water passage it is not necessary to use a cooling circuit with a

termoregulation valve.

In case of changing the open system into the closed one it is also possible to buy a cooling circuit separately..

WARNING: Keep the rules against water pollution.

výstup topnej vody do systému

výstup topnej vody z kotla

-10°C

110°C

6,5 m /h

vstup vratnej vody

z dochlazovacieho okruhu

hydraulical chart of connection of cooling circuit

výtok chladiacej vody

vstup vratnej vody do kotla

zo systému

termoregulaèný ventil STS 20

vstup chladiacej vody