Ambirad VISION COMPACT VC20 Kullanım, Bakım ve Servis Kılavuzu - Sayfa 6

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5 Fan assembly

Note For both horizontal and inclined

mounting the fan assembly must be perfectly

vertical with the fan outlet facing upwards.

For unflued heaters a fan baffle must be

attached to the fan outlet.

6 Vision Compact herringbone

gas radiant tube heaters

For herringbone heaters refer to the relevant

information leaflet (GB/HB/134/0402).

A herringbone system allows several Vision

Compact heaters to be operated by one

combustion fan. This has the benefit of only

one building penetration being required

when fluing the products of combustion.

7 Health & safety

Ambi-Rad Limited cannot be responsible for

ensuring that all site safety procedures are

adhered to during assembly and installation.

Sole liability rests with the installer.

8 Installation - suggested

methods of heater suspension

Attachment to the heater support lugs

should be made by either a 'speed link', D

shackle, nut bolt and large washers, or in

the case of drop rods, a closed formed hook.

The hanging attachments to overhead

steelwork etc. must be purpose made to

good sound engineering practice or of a

proprietary type fixing. They must be

adequately fixed and designed to carry the

whole weight of the heater.

In the event of suitable roof steelwork not

being available, additional steelwork should

be fitted to enable vertical hangers to be

used for suspending the heaters.

If there are any doubts as to the strength or

suitability of roof steelwork to which

heaters are to be suspended, please refer to

consultant / architect / owner of the

building.

The recommended minimum and preferred

mounting heights, along with the

recommended clearance to combustibles for

the Vision Compact range of heaters is

shown in the table below.

Clearances 1

Clearances 3

Model

All models

Note Minimum recommended mounting heights

Model

Horizontal (m)

VC20

VC12

Clearance distances

Model

A. Above reflector (fan unflued)

B. Above burner/fan assembly unflued

C & E Beneath tubes

D. To the sides

B. Above reflector and fan outlet flued

F. From ends

All dimensions are in millimetres

Clearances 2

Required angle

Additional chain length (mm)

30˚

45˚

Inclined 30˚ (m)

5.2

4.7

4.3

3.9

CB20

1600

For chain lengths

see table below

575

730

Inclined 45˚ (m)

4.7

3.9

CB12

570

1370

1050

670

400

640