Aleo P18 Quick Reference Manual - Page 11

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■

Clamp lengths and depths

■

Clamp lengths and depths

Fig. 8 Definition of clamp length and depth for framed

Fig.8

Definition of clamp length and depth for framed

modules

a : Clamp length, b : Clamp depth.

a: Clamp length, b: Clamp depth.

NOTE

• The required minimum length of a clamp (parallel to

the frame side) is 30 mm.

• The required minimum length of a clamp (parallel to

the frame side) is 30 mm.

• The required minimum depth of a clamp (perpendi-

cular to the frame side) is 3 mm.

• The required minimum depth of a clamp (perpen-

dicular to the frame side) is 3 mm.

• aleo solar recommends a clamp depth of 5 mm.

• Depending on the ambient conditions (e.g. angle,

suction load or tolerances of the substructure) a

• Depending on the ambient conditions (e.g. angle,

higher minimum area per clamp may be required.

suction load or tolerances of the substructure) a

higher minimum area per clamp may be required.

• The clamps determine the actual clamp depth and

length.

• Observe the instructions of the clamp manufacturer.

10.2.3 Tightening torque for clamp mounting

Tighten the screws on the clamp manually. If you use an au-

tomatic screwdriver, then set a suitable maximum tightening

torque. You can find details for this in the manufacturer's

documentation for the substructure.

10.3

Clamp mounting for modules with Solrif

10.3

Clamp mounting for modules with Solrif

NOTE

frames

• Avoid clamp mounting for modules with Solrif

frames. Only mount these modules with the Solrif

NOTE

mounting system.

• Avoid clamp mounting for modules with Solrif

• You can also contact the aleo solar branch in your

frames. Only mount these modules with the Solrif

country. They will provide you with information on

mounting system.

mounting systems which are already in use on a

• You can also contact the aleo solar branch in your

greater scale.

country. They will provide you with information on

mounting systems which are already in use on a

greater scale.

aleo solar GmbH | Marius-Eriksen-Straße 1 | 17291 Prenzlau | Germany | [email protected]

Quick Reference Manual Rel. 3.0, 07/2014, en-GB-DE (1)

Quick Reference Manual Rel. 4.2, 08/2015, en-GB-DE (1)

GID AS014a

frames

10.4

Screw mounting

10.4.1 Modules with standard frames

The aleo modules have the following mounting holes:

• either with a diameter of 9 mm or

• for gen2: long holes with a width of 9 mm and a

length of 22.5 mm.

10.4.2 Modules with Solrif® frames

10.4.2 Modules with Solrif

NOTE

Avoid screw mounting for Solrif

mount Solrif

modules with the Solrif

Avoid screw mounting for Solrif

system.

mount Solrif

modules with the Solrif

system.

10.4.3 Tightening torque for screw mounting

For M8 stainless steel screws, use a maximum torque of

24 Nm.

For M8 stainless steel screws, use a maximum torque of

24 Nm.

10.5

Insertion mounting

10.5

Insertion mounting

10.5.1 Modules with standard frames

Observe the manufacturer's instructions for the mounting

system. Use the earthing holes for the potential equalisation.

Observe the manufacturer's instructions for the mounting

Although edge-to-edge mounting is possible (see also

system. Use the earthing holes for the potential equalisation.

Ch. 8.4.1: „Intervals between modules with standard

Although edge-to-edge mounting is possible (see also

frames"), aleo solar recommends mounting at intervals.

Ch. 8.4.1: „Intervals between modules with standard

frames"), aleo solar recommends mounting at intervals.

10.5.2 Modules with Solrif

Only mount modules with Solrif

mounting system.

Only mount modules with Solrif

mounting system.

10.6

Load levels

10.6

Load levels

A load can be a pressure load as well as a a suction load.

Loads from snow and wind are grouped into three levels,

A load can be a pressure load as well as a a suction load.

which need to be taken into account wherever the module

Loads from snow and wind are grouped into three levels,

is installed. Higher load levels make the requirements for

which need to be taken into account wherever the module is

proper installation more stringent. The values listed below

installed. Higher load levels make the requirements for prop-

assume an appropriate installation.

er installation more stringent. The values listed below as-

sume an appropriate installation.

10.6.1 Permissible loads for modules with standard frames

50mm

10.6.1 Permissible loads for modules with standard frames

Load level

Permissible

pressure

Load level

Permissible

Load level I

2400 Pa

pressure

Load level II

3900 Pa

Load level I

2400 Pa

Load level III

5400 Pa

Load level II

3900 Pa

a: For screw, clamp or lay-in system on long side.

Load level III

5400 Pa

The total length is 22.5 mm. The distance between the hole centres

is 13.5 mm.

This applies to unlubricated screws with standard thread and strength class

The total length is 22.5 mm. The distance between the hole centres is 13.5 mm.

of 8.8 (minimum breaking load 29.2 kN).

This applies to unlubricated screws with standard thread and strength class of 8.8

(minimum breaking load 29.2 kN).

frames

modules. Only

mounting

modules. Only

mounting

frames

frames with the Solrif

Permissible

suction

Permissible

2400 Pa

suction

3900 Pa

2400 Pa

5400 Pa a

3900 Pa

5400 Pa

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