Commissioning report/Maintenance report
Building:
Floor:
Unit:
Commissioning:
☐
Maintenance:
☐
Date:
__ . __ . 20__
Maintenance measures
Item to be checked
Measures
Interval [months]
Done
6
12
24
Yes
No
Cleaning the ventilation unit
Remove dust and contamination
from the casing and from the air
passages inside the unit.
X
☐
☐
Checking air terminal units in the
external wall for damage and cor-
rosion (random check)
Clean; if necessary, repair.
X
☐
☐
Checking the heat exchanger,
condensate drip tray and conden-
sate drain (random check)
Check for corrosion and hygiene;
clean
X
1
X
☐
☐
Checking outdoor air and exhaust
air openings for leakages (random
check)
In case of visible leakages: adjust
the damper opening angle,
replace the actuator, clean
X
☐
☐
Check if the damper blade closes
in case of a power failure
X
☐
☐
Checking filters after any pressure
drop, based on hygiene condi-
tions, based on operating time
(random checks)
Replace the filter medium, clean
the filter chamber, check seals
X
1
X
☐
☐
Checking the heat recovery unit
(random check)
Check seals, adjust or replace if
necessary; clean the heat
recovery unit; check and clean
water drain
X
1
X
☐
☐
Checking fan functions (random
check)
Different fan stages
X
☐
☐
Checking activation of the frost
protection function for heat
exchangers
Let the supply air temperature
sensor cool down to a value
below the release temperature
and see if the ventilation unit is
switched off as a consequence
X
☐
☐
Checking valves for function and
leakages (random check)
Check whether the heating and
cooling valves open and close
correctly and whether the effect of
the actuator action is correct
X
☐
☐
Checking the control panel
(random check)
Check switching function, setpoint
shift
X
☐
☐
Checking control units (random
check)
Check circuits, control signals;
adjust them if necessary
X
☐
☐
1) if condensation has formed
Commissioning report/Maintenance report
Decentralised ventilation units Under sill units
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