www.ssz-gmbh.de [email protected] Thüringerstrasse 17, 46286 Dorsten
12
MOUNTING
MAINTENANCE AND CONTROL OF
PROPER FUNCTIONALITY
Safety units of SSZ-RZ4 and SSZ-RZ4B type are mounted on a
DIN 35 mm rail, see the drawing below.
The functional tests of control units shall be carried out daily.
•
Prior to any maintenance works, disconnect the control unit
and the connected devices from the electric supply and
protect them against unintentional activation.
•
Check if no voltage is present on any part or component.
•
Clean the housing on the outside with a clean cloth.
AUTOMATIC RESET CONTROL FOR SSZ-RZ4 AND SSZ-RZ4B UNIT
The control unit is provided with an automatic reset function.
In a pressure-sensitive device is released, then K1 and K2 relays
will immediately return to their baseline position, switching the
control unit to standby mode.
Danger of electric shock!
Before re-start of the unit, check it for proper
functionality!
PROPER FUNCTIONALITY CONTROL FOR SSZ-RZ4 AND SSZ-
RZ4B UNIT: AUTOMATIC RESET CONTROL
1. Make sure that no SSZ pressure-sensitive device is activated.
•
the “OK 3/5” and “4/6 OK” green LEDs are on
•
The Relais contacts K1 & K2 are closed
2. Press the SSZ device
•
the “OK 3/5” and “4/6 OK” green LEDs are off
•
The Relais of K1 and K2 are open
•
Release the pressure-sensitive device (do not press)
•
the “OK 3/5” and “4/6 OK” green LEDs are on
•
The relais contacts K1 and K2 are closed
