4 Set-up
22
Installation and maintenance instructions auroTHERM exclusive 0020077989_04
4.3.4
Defining the rack clearances
Condition
: Installed collectors: VTK 1140/2
B
D
E
A
C
F
C
▶
Define the rack clearances.
Quant-
ity
A
B
F
1)
C
D
E
1
1088
1106
(30°)
1476
(45°)
1749
(60°)
2420
(30°)
3001
(45°)
3267
(60°)
1684
−
−
2
2466
1233
1397
3
3863
4
5260
5
6657
6
8054
7
9451
1)
Sun elevation of 20° (winter sun)
Condition
: Installed collectors: VTK 570/2 and VTK 1140/2 in combination
B
D
E
G
A
C
F
C
▶
Define the rack clearances.
Num-
ber
1)
A
B
F
2)
C
D
E
G
1
1776
1106
(30°),
1476
(45°),
1749
(60°)
2420
(30°),
3001
(45°),
3267
(60°)
1684
543
1397
1233
2
3173
3
4570
4
5967
5
7364
6
8761
1)
Once VTK 570 + number of VTK 1140 units
2)
Sun elevation of 20° (winter sun)
4.4
Installing collectors (on-roof)
The installation steps and notes in these instructions apply
for both array configurations. Any different installation steps
are clearly indicated in individual cases.
4.4.1
Installing roof anchors
4.4.1.1 Installing type P (for pantile)
1
3
2
1
Lower roof bracket
2
Top roof bracket
3
Middle roof bracket
1.
Use the top, middle and lower type P roof anchors
shown.
A
2
1
B
5 mm
2.
Secure the type P roof anchor either to the rafters
(A)
or
to the roof batten
(B)
.
3.
To do this, loosen the bolt
(1)
on the base of the roof
anchor with the enclosed bit and unscrew the bolt by
approx. 5 mm.
4.
If you wish to secure the roof anchor onto the rafters,
turn the base
(2)
outwards
(A)
.
5.
If you wish to secure the roof anchor onto the roof bat-
ten, turn the base
(2)
inwards
(B)
.
