14
7 - POSITIONING AND INSTALLATION
Installation on the roof
First of all, an opening in the steel pan has to be prepared for the
installation of the roof curb. The roof curb will be supported on
some joists placed for this purpose in the roof.
Handling
For transport and lifting up to the roof using a crane, a rocker arm
as well as approved slings, both suitable for the dimensions and
weight of the roof curb, must be used.
These slings will be hooked on the lifting grips fi tted to the roof curb.
Each grip is fi xed to the roof curb using four M10 screws. Check
that the grips are perfectly screwed in before attaching the slings.
Dimensions (mm) L1 L2
100 to 120 3185 1988
130 to 170 3489 1988
180 to 220 4821 1988
250 to 280 5775 1988
100mm
75mm
Joist
Self-tapping screw
or spot weld
Adjustable
angle piece
Downward direction of the slope
Position A
Position B
Position C
Return
Supply
Return
Supply
Return
Supply
Return
Supply
Position D
Note: Position A is best suited for gas burner roof curb. In this
position it is easier to access the burner register. It is also the
most optimal solution in areas where snow can accumulate.
Joists
L1
L2
The dimensions of this opening should be as follows:
Next, the roof curb must be secured. To do this, the adjustable
angle pieces of the roof curb must be fi xed to the joists using self-
drilling screws or electric spot welding.
Place the roof curb on the joists and check that it has been
positioned in the right direction.
Detail of the lifting grip
Y
Z
X
Models
Standard roof curb Roof curb with burner
Weight
(kg)
Centre of gravity
(mm)
Burner
model
Weight
(kg)
Centre of gravity
(mm)
XYZ XYZ
100 to
120
363 987 1551 402
PCH080 882 1054 1418 609
PCH130 936 1048 1362 607
130 to
170
386 990 1714 404
PCH130 979 1048 1506 604
PCH160 1026 1063 1488 615
180 to
220
470 991 2308 405
PCH160 1194 1052 1972 619
PCH210 1238 1064 1954 622
250 to
280
552 991 2811 409
PCH160 1323 1045 2369 620
PCH210 1366 1056 2340 623
Dimensions (mm) A B C D
100 to 120 3163 1912 1005 1818
130 to 170 3467 1912 1106 1818
180 to 220 4798 1912 1550 1818
250 to 280 5753 1912 1868 1818
The following image shows the position of the drills in the angle
pieces (Ø 18mm):
A
C
C
C
B
D
Joist
Adjustable angle pieces
It is mandatory to use all required PPE for work at
height.
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