Connect
Connecting to a Hydrotechnik measuring instrument with CAN functionality
1.
Connect the control box of the QL 326 with the CAN data cable to the measuring instrument.
2.
Connect the power supply unit to the supply plug of the control box.
3.
Please refer to the operating manual of the measuring instrument for further information.
Connecting to an existing CAN bus
1.
Connect the control box of the QL 326 with the CAN data cable to the existing CAN bus.
2.
Connect the power supply unit to the supply plug of the control box.
Venting
After the load valve has been installed in a measuring point, it must be vented during the first two minutes
of operation.
1.
Remove the protective cap (pos.8, page 3) on the proportional valve to gain access to the venting screw
underneath.
2.
Connect a Minimess® measuring hose to the Minimess® test point (pos.7, page 3).
Caution: Oil-air mixture of the system immediately escape at the hose end.
3.
Let the oil-air mixture contained in the load valve escape and simultaneously open the vent screw in the
proportional valve by one to two turns with a Phillips screwdriver.
4.
Wait until the oil flows out evenly without interruptions or bubbles.
5.
Close the bleed screw in the proportional valve.
6.
Remove the Minimess® measuring hose from the test point.
7.
Mount the protective cap on the proportional valve