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Installation
7.3
Execution
ATTENTION
Damage due to improper installation
Additional device stresses may arise due to the connection of pipes or system
equipment.
•
Ensure that pipes are connected from the device to the system without
them being stressed or strained.
•
If necessary, provide support structures for the pipes or equipment.
For installation, proceed as follows:
•
Position the device.
•
Complete the primary tank and the optional secondary tanks.
•
Create the water-side connections of the control unit to the system.
•
Create the interfaces according to the terminal plan.
•
Install the water connections between optional secondary tanks to each
other and to the primary tank.
Notice!
For installation, note the operability of the valves and the inlet options
of the connecting lines.
7.3.1
Positioning
Determine the positions for the control unit, primary vessels and secondary
vessels (if used). The distance of the control unit to the primary vessel results
from the connection set supplied.
•
Variomat VS 1-1:
–
The control unit can be installed on either side or in front of the
primary vessel.
•
Variomat VS 1-2:
–
The control unit can be installed on either side or in front of the
primary vessel.
7.3.2
Installation of add-on components for the tanks
The add-on components are packed in plastic bags and attached to the base of
the vessels.
•
Pressure compensation elbow (1).
•
Reflex Exvoid with pre-fitted check valve (2)
•
"LIS" pressure pick-up
For add-on components, proceed as follows:
1.
Install the Reflex Exvoid (2) at the connection of the corresponding vessel.
2.
Remove the protective cap from the degassing valve.
3.
Use the compression fitting to install the pressure compensation elbow (1)
for ventilation at the vessels.
Note!
Install the "LIS" pressure pick-up only after finalising the installation of
the primary vessel, 7.3.3 "Tank installation", 34.
Note!
To ensure fault-free operation, do not seal off the aeration and
ventilation.
34 — English
7.3.3
Tank installation
ATTENTION
Damage due to improper installation
Additional device stresses may arise due to the connection of pipes or system
equipment.
•
Ensure that pipes are connected from the device to the system without
them being stressed or strained.
•
If necessary, provide support structures for the pipes or equipment.
ATTENTION
Device damage resulting from dry running of the pump
If the pump is incorrectly connected, there is a risk of dry-running.
•
Ensure that the connections for the overflow collector and the pump
are not interchanged.
•
Ensure correct connection of the pump to the primary tank.
Comply with the following notes regarding the installation of the primary vessel
and the secondary vessels:
•
All flange openings at the vessels are viewing and maintenance openings.
–
Place the vessels with sufficient distances to sides and ceiling.
•
Install the vessels on a level surface.
•
Ensure rectangular and free-standing position of the vessels.
•
Use only vessels of the same type and dimensions when using secondary
vessels.
•
Ensure proper functioning of the "LIS" level sensor.
ATTENTION Property damage caused by overpressure. Do not attach the
vessels firmly to the floor.
•
Install the control unit on the same level as the vessels.
Variomat 140 — 25.09.2020 - Rev. A
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