www.variotherm.at
© VARIOTHERM HEIZSYSTEME GMBH
|
GÜNSELSDORFERSTRASSE 3A
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2544 LEOBERSDORF
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AUSTRIA
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T: +43 (0) 22 56 - 648 70-0
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www.variotherm.at
Pumped Manifold (PVST) [3/3]
Fixed value control station for surface heating
with existing main pump
HEATING. COOLING. COMFORT.
e980313
Fault
Troubleshooting
• Surface heating circuit
temperature too low
• Main pump must be available and running
• Switch main pump to a higher setting level
• Increase flow in the boiler circuit (regulating valve)
• Check if the flow/return in the boiler circuit has been
reversed
• Flush the heating circuit
• Fully open the flushing ball valve
• Switch on the pump PVST
• Adjust the surface heating circuit flow
• Surface heating circuit
temperature too high
• Fixed value regulator is not screwed all the way to
the end stop
Safety information
- The electrical and hydraulic connection and service work on the device may only be provided by authorised
specialist personnel.
- The devices are designed for use in dry, closed rooms.
- The electrical installation standards and regulations specified by the local energy supply companies should
be observed, together with the locally applicable regulations and standards for heating installations.
- Faults in the connection can cause damage to the device! We bear no liability for damage caused by incorrect
connection and/or inappropriate handling of the device.
- If the system components are installed or commissioned incorrectly, all claims on the basis of the manufac-
turer’s warranty and guarantee become void.
