Elgas DATCOM, Operating Instructions Manual

Page: 69 / 228

5
Installation and Commissioning
67
5.6.1.1 Opening and Closing the Device
To open the device:
 Loosen the screws
1
 Open the catch
2
To close the device:
 Close the catch
1
 Tighten the screws
2
Specified tightening torque
the cover bolts is 0.5 to 0.7 Nm.
5.6.1.2 Locking and Sealing the Device
The clamp of the device cover can be secured with plastic or wire seal
1
and locked with a
padlock
2
with the shackle diameter of up to 5mm.
5.6.2 Connecting Gas Meters
Gas meters with LF pulse output
DIN terminal block is the standard for a LF gas meter connection. Only one 17 ) LF gas
meter can be connected to the ELCOR device. The ELCORplus device can be either
single channel or dual channel. The DIN terminal block is hidden under a plastic cap that
the users can secure with their mark.
ELCOR – LF gas meter
Terminal Connection
DI1
Pulse output of the gas meter
DI3 - Contact for the gas meter connection monitoring (tamper contact), or
- Pulse output of the gas meter for detecting the rotation direction
17 ) DI2 terminal of the ELCOR corrector can also be configured to connect the LF pulse output of another
meter. However, it cannot be used as a metrological quantity.