53
Checklist B Maintenance work for qualified personnel
Maintenance work enter result
− The listed maintenance work must be carried out in accordance with the components actually present.
− Comments on status using informal protocol
− Further annual tranches on separate sheet
1 Fan / ventilation unit
carried out?
- Fan
- Enthalpy exchanger
- Air-contacting
surfaces on unit
yes / no
Frost protection / dew
device operational?
yes / no
transmission, are
yes / no
Are status displays
operational?
yes / no
2
Electrical engineering /
control
clamping assemblies
yes / no
Are the regulating and
control units functional?
yes / no
3
Ventilation tube / heat
insulation
necessary) been carried
out? Testing OK? For
cleaning when needed,
yes / no
Heat insulation and
moisture barrier OK?
yes / no
between the unit and
ventilation tube
yes / no
4
Fan, ventilation unit, filter,
filter status
Stipulated filter class
adhered to?
yes / no
5
Fan / ventilation unit and
fireplace if available
Safety feature with
fireplace operational?
yes / no
6
Extract air / supply air
passage
Seat and locking
provided?
yes / no
Stipulated filter class
adhered to?
yes / no
Filter, filter status OK?
Air volumes acc. to
protocol OK?
yes / no
7 Overflow air vents
Open cross section
provided?
yes / no
airborne sound
yes / no