Siemens Building Technologies
Basic Documentation RVL470
CE1P2522E / 30.03.2000
Landis & Staefa Division
Mechanical design
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21. Mechanical design
21.1. Basic design
The RVL470 is comprised of controller insert, which accommodates the electronics, the
power section, the output relays and – on the front – all operating elements, and the
base, which carries the connection terminals. The operating elements are located be-
hind a lockable transparent cover. On the inner side of the cover, there is a holder in
which the operating instructions can be inserted. The cover can be sealed.
The RVL470 has standard overall dimensions (144
*
144 mm).
It can be fitted in three different ways:
•
Wall mounting
•
Rail mounting
•
Flush panel mounting
Whichever mounting method is chosen, the base must always be mounted and wired
first. To ensure the orientation will be correct, the upper side of both the base and the
controller housing carry the marking TOP. Both the top and the bottom side of the base
has five knockout holes for cable entries, and there are ten knockout holes in the floor.
The controller insert is placed in the base. The controller insert has two fixing screws
with rotating levels. If, after insertion of the controller insert, one of the screws is tight-
ened, the lever engages in an opening in the base. When the screws are further tight-
ened (alternately), the controller pulls itself into the base so that it is secured.
The fixing screw at the bottom can be sealed. The grommet (attached to the key ring)
must be inserted in the screw hole, a safety wire introduced through the two lugs, and
then sealed.
21.2. Dimensions
139
95
1,5
(42,5)
18
19
26 26 26 26
15
144
144
14
4
36
72
106
108
50
36
29
35
39
39
10
6
14
4,5
138
-0/+1
13
8
-0
/+
1
max. 3
Dimensions in mm
