14
7
I
B
A
A
A
D
C
D
B
A
A
A
A
A
E
To ensure correct fitting of the gas detector to the
support or surface-mounted base, make sure the
latter are not distorted by overtightening of the
fixing screws in the round or rectangular flush-
mounted box.
C
Fixing and removing the
detector from the support or
surface-mounted base
Fig. 9
Fig. 10
SEMI FLUSH mounting
SURFACE mounting
Base
for surface mounting
A Holes for fixing:
-
- the
support
: on round or rectangular flush-mounted
box
- the
base
: surface-mounted, on round or rectangular
flush-mounted box
B Passage of wires from:
-
round or rectangular flush-mounted box,
corrugated tube (surface-mounted)
C Coupling lugs for detector
-
D Coupling slot for detector
-
E Passages for wires from wall raceway
-
(remove diaphragm)
Fig. 11
1
2
1
2
Optional
for semi flush mounting
Support
(
may be purchased separately)
EN
