Reflex Variomat VS 1-1/140 Originalbetriebsanleitung Seite 41

5. Set the time. The time of an alarm will be stored in the controller's fault
memory.
– Use the "Left" and "Right" buttons to select the display value.
– Use the "Up" and "Down" buttons to change the display value.
– Confirm your entries with "OK".
6. Set the date. The date of an alarm will be stored in the controller's fault
memory.
– Use the "Left" and "Right" buttons to select the display value.
– Use the "Up" and "Down" buttons to change the display value.
– Confirm your entries with "OK".
7. Select the size of the primary vessel.
– Use the "Up" and "Down" buttons to change the display value.
– Confirm your entries with "OK".
– For the primary vessel data, see the name plate or  6 "Technical
data",  33.
– The controller checks whether the level measuring signal matches
the dimensional data of the primary vessel. The primary vessel must
be fully emptied, see  7.3.6 "Fitting the level sensor",  36.
8. Press "OK".
– Null balancing is executed.
– If null balancing is not successfully completed, you cannot
commission the device. In this case, please contact Customer Service,
 13.1 "Reflex Customer Service",  49.
9. Press "OK" to conclude the start routine.

Note!
After successful conclusion of the start routine, you are in Stop mode. Do
not yet switch to Automatic mode.
8.4
The following information applies to the devices:
• Control unit and primary tank.
• Control unit and primary tank and one secondary tank.
• Control unit and primary tank and more than one secondary tanks.
Facility system
Heating system
Cooling system
8.4.1
Preferably use a water hose to fill the primary vessel with water when the
automatic make-up device is not yet connected.
• Use a vented water hose filled with water.
• Connect the water hose to the external water supply and the "FD" feed and
drain cock (1) at the primary vessel.
• Check whether the shut-off valves between control unit and primary vessel
are open (supplied pre-wired in open position).
• Fill the primary vessel with water until the filling level has been reached.
8.4.2
1. Use the "Manual mode" button to switch to "Manual" mode.
2. Open the "WV make-up valve" via the corresponding button until the
specified filling level is reached.
–
–
8.5
Risk of burns
Escaping hot medium can cause burns.
•
•
Vent the "PU" pumps as follows:
1
Variomat 140 — 25.09.2020 - Rev. A
Filling the tanks with water
System temperature
≥ 50 °C (122° F)
< 50 °C (122° F)
Filling with a hose
Filling with the solenoid valve in the make-up
Continuously monitor this process.
If a high-water alarm is generated, the make-up valve "WV make-up
valve" is automatically closed.
Venting the pump
CAUTION
Maintain a sufficient distance from the escaping medium.
Wear suitable personal protective equipment (safety gloves and
goggles).
Vent screw
Commissioning
Filling level of primary tank
Approx. 30 %
Approx. 50 %
English — 41