D = cardboard template.
FC = central reference hole.
F1 = hole for securing the template to the unit.
V = screws for securing the template to the unit (M5X16 for models HCA 22-
29-35-42, HCA/4 35-50 / M6x16 for models HCA 60 , HCA/4 60 .
F2 = brace position reference hole.
Depending on the type of ceiling, the braces can be installed as illustrated in
the figure.
E xa m p le o f fixtu re to a w oode n s tru c tu re :
O n c e y o u ha v e in s ta lle d th e fou r b ra c e s , tig h te n th e n u ts w itho u t lo c k in g
th e m , an d in s e rt th e w a s he rs a s illu s tra te d in th e figu re:
5
2
1
1 N u t
2
S p a c e fo r han g in g b ra c k e t
3
T h reade d b ra c e
4
W a s he r
5
T -s e c tio n
1
4
1 N u t
2
W o ode n s tru c tu re
2
3
T h reade d b ra c e
3
4
W a s he r
4
1
1
1
5
4
3
4
1
3
5
6
Le v e l th e u n it u s in g a s p irit le v e l a n d a d ju s tin g th e n u ts an d lo c k n u ts o n
th e th reade d b ra c e s , k ee p in g a d is ta n c e s o f 2 5 ÷3 0 m m b e tw ee n th e
bo d y o f th e un it an d th e inne r s u rfa c e o f th e fa ls e c e ilin g .
2 5 + 3 0 m m
3
T h reade d b ra c e
6 H an g in g b ra c k e t
F a ls e c e ilin g
8
9
S p irit le v e l
FC
F1
D
V
F2
3
5
6
6
3
9
8
47