42
43
TROUBLESHOOTING AND DISPOSAL
TROUBLESHOOTING AND DISPOSAL
Ventilation System iV-Twin+
•
Installation and Operating Instructions
Ventilation System iV-Twin+
•
Installation and Operating Instructions
10
Troubleshooting and Disposal
Troubleshooting
Fault
Possible cause
Correction
Fan failure
No electrical voltage.
Check fuse.
Installation error.
Check cables for correct polarity.
Check all connectors for correct seating.
Check use of ferules.
Fan defective.
Replace fan.
Controller/power supply
defective.´
Replace controller/power supply unit.
Fan does not
switch off.
Controller defective.´
Replace controller.
Air volume flow
low
Cover closed.
Open the cover.
Dust filter very dirty.
Clean/replace dust filter.
Pollen filter/activated carbon
filter inserted.
Pollen or activated carbon filter reduces
the air volume flow. Only use the filter
during peak periods. Replace filter if
heavily contaminated.
Fan speed too low.
Increase power level.
Heat accumulator contami-
nated.
Cleaning the heat accumulator
Noise
Foreign matter in the fan.
Remove foreign matter from fan.
Cleaning the ventilation system.
Fan blades dirty.
Clean fan blades.
The heat accumulator is not
correctly seated in the wall
sleeve.
Pull the heat accumulator out of the wall
sleeve. Insert again.
Push the heat accumulator into the wall
sleeve as far as it will go.
Fan speed very high.
Lower power level on the controller.
Fault
Possible cause
Correction
Supply air cold
Installation error.
Check the position of the plug on the
controller. The plug must be firmly fixed in
the connector housing.
Disassembly
Disassemble the ventilation unit in reverse order.
You can then dispose of your old unit. Observe the instructions below. Disposal
recommendations.
Disposal
The products described in these Installation and Operating Instructions contain
valuable materials that can be recovered and recycled. The separation of the waste
materials into different types facilitates the recycling of the recyclable material. For
environmentally sound recycling and disposal of your old system, contact an electronic
equipment disposal company. This company disposes of the product in accordance
with the applicable national regulations. Also dispose of the packaging of the product
sorted by type.
In the following table you will find disposal recommendations.
Product
Material
Disposal
Weather protection hood
Flex Twin+
powder-coated stainless
steel / ASA
Used metal collection /
Recyclables collection
Reversing fan
PBTP/PA
Collection point for electronic
devices
Fan unit
PC
Recyclables collection
Wall sleeve
PPs
Recyclables collection
Separating element
Wall sleeve
PPs
Recyclables collection
Inner cover Flair Twin+
V-233x233
PS-SZ
Recyclables collection
Heat accumulator
Ceramics
Domestic waste
Dust filter G3
TPU/PES
Domestic waste
Pollen filter
PES
Domestic waste
Activated carbon filter
Polyester fleece with
activated carbon
Domestic waste