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Idiomas disponibles
Idiomas disponibles
Commissioning
Indication on the
Meaning
display
Terminate
This message appears on the display only after null
routine?
balancing has been successful.
No
Select "Yes" or "No" on the controller display and confirm
with "OK" on the controller operator panel.
•
Yes: The start routine is terminated, the device
automatically switches to Stop mode.
•
No: The start routine restarts.
0 % / 2.0 bar
The level indication is at 0 %.
STOP
Note!
After successful conclusion of the start routine, you are in Stop mode. Do
not yet switch to Automatic mode.
8.4
Filling the tanks with water
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
System temperature
Heating system
≥ 50 °C (122° F)
Cooling system
< 50 °C (122° F)
8.4.1
Filling with a hose
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
Filling with the solenoid valve in the make-up
Switch from Stop mode to Manual mode and open the solenoid valve of the
make-up device until the filling level has been reached.
•
Press "Manual" on the controller's operator panel.
•
Select the "WV1" make-up solenoid valve.
•
Confirm your selection with "OK" on the controller operator panel.
Notice!
For a detailed description of the Manual mode and the selection of the
make-up solenoid valve, 9.1.2 "Manual mode", 42.
8.5
Venting the pump
CAUTION
Risk of burns
Escaping hot medium can cause burns.
•
Maintain a sufficient distance from the escaping medium.
•
Wear suitable personal protective equipment (safety gloves and
goggles).
40 — English
Filling level of primary tank
Approx. 30 %
Approx. 50 %
Variomat Basic — 09.09.2022-Rev. C
Vent the "PU" pump as follows:
1
Pump "PU"
2
"AV" venting screw
3
"ST" dirt trap
•
Remove the vent screw (2) from the pump (1) and vent the pump until
bubble-free water escapes.
•
Screw the vent screw (2) back in and tighten.
•
Check the vent screw (2) for leaks.
Note!
Repeat the venting if the pump delivery rate is zero.
8.6
Parametrising the controller in the Customer menu
System-specific values can be corrected via the customer menu. In the course of
initial commissioning, the factory settings must first be adjusted for the system-
specific conditions.
Note!
For a description of the operation, 10.1 "Operator panel", 43.
All grey marked menu items must be reviewed during commissioning.
Press "Manual" to switch to manual operation.
Press "Menu" to display the first main menu option "Customer menu".
Indication on the
Meaning
display
Customer menu
Switch to the next main menu option.
Language
Standard software in various languages.
Time:
Adjust the "Hour", "Minute", and "Second" display when
each begins to flash.
This time is used for entries in the fault memory.
Date:
Adjust the "Day", "Month", and "Year" display when each
begins to flash.
This date is used for entries in the fault memory.
1 % / 1.7 bar
The controller checks whether the level sensor signal
matches the value entered for the "VG" primary tank in the
Null balancing
controller, 8.3 "Modifying the controller's start routine",
successfully
39.
concluded!
Note!
The "VG" primary tank must be completely empty.
0 % / 0 bar
One of the following messages appears on the display:
XXX XXX XXX XXX
•
Null balancing concluded successfully
Confirm with the "▼" button.
•
Empty the tank and repeat the process
Confirm with "OK".
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