Commissioning
18
—
English
Variomat Basic
—
22.07.2020 - Rev.
A
Indication on
the display
Meaning
Cancel null
balancing?
No
Select "Yes" or "No" on the controller display and
confirm with "OK" on the controller operator panel.
•
Yes
: The "VG" primary tank is fully emptied
and the device is installed as per the
instructions.
–
Null balancing is still not possible, confirm
with "
Yes
". The start routine is
terminated. Use the customer menu to
repeat the null balancing, see
chapter 13.1 "Reflex Customer Service"
on page 27 .
–
Contact Reflex Customer Service, see
chapter 8.1 "Checking the requirements
for commissioning" on page 16 .
•
No
: The start routine restarts.
–
Check the prerequisites for the
commissioning, see chapter 8.2
"Variomat switching points" on page 17 .
Terminate
routine?
No
This message appears on the display only after null
balancing has been successful.
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
STOP
The level indication is at 0 %.
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 Filling level of primary tank
Heating system
≥
50 °C (122° F)
Approx. 30 %
Cooling system < 50 °C (122° F)
Approx. 50 %
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, see chapter 9.2 "Manual mode"
on page 21 .
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).
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, see chapter 10.1 "Operator
panel" on page 22 .
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".