35
Checklist B maintenance works qualified personnel
Maintenance works
Enter Result
−
Inspection of MVHR unit based according to the currently valid national standards
−
Informal report for comments on MVHR unit's condition
−
Use additional sheet of paper for adding reports of subsequent years
No.
Parts
Annually
Result
20...
20...
20...
20...
20...
1
Ventilator / Ventilation
Device
Have the components
been cleaned?
- Ventilator
- enthalpy
exchanger
- air
handling
cylinders of the
device
yes / no
Frost protection / thaw
setup functional?
yes / no
Is the transmission of
structure-born noise,
fixing prevented?
yes / no
Are the operation
displays functional?
yes / no
2
Electrical Engineering/
Regulation
Are the cable
connections and
terminal fixing
secure?
yes / no
Are the control
devices and control
units functional?
yes / no
3
Air duct / heat insulation
Is the device cleaned
(if required)? Is the
testing in place? If
required, refer to VDI
6022 for cleaning
yes / no
Is the heat insulation
and vapour barrier in
order?
yes / no
Are the flexible
connections between
the device and the air
duct functional
?
yes / no
4
Ventilator, ventilation device,
Filter, filter status
Are the stipulated
filter class adhered
to?
yes / no
5
Ventilator / ventilation device
and heat-producing
appliance if available
Is the safety device
with heat-producing
appliance functional?
yes / no
6
Exhaust air/supply air-
passage
Seat and lock given?
yes / no
Is the stipulated filter
class adhered to?
yes / no
Filter, filter status ok? yes / no
Is the air quantity
according to the log?
yes / no
7 Overflow
air
passages
Is there is free cross-
section?
yes / no
No transmission of
structure-born noise
and transmission of
airborne sound?
yes / no
