Zehnder Rittling ComfoAir 180, Manual

Page: 21 / 32

20 - EN EN- 21
5.1 Condensation drain
Inspect the condensation drain at least once every 2 years.
1
Example siphon
2
Example siphon
3
Disconnect the condensation drain. Perform the following checks on the
condensation drain siphon:
■
Check whether the drain is still
open by adding (extra) water to the
siphon;
■
Visually inspect the condensation
drain for contamination;
■
Check if the seal of the
condensation drain is air tight. Air
may not pass through or by the
siphon.
Resolve any noted problems.
5.2 Air ducts
Inspect the air ducts at least once every 4 years.
1
Example valve
Example grille
2 Example air duct 3
Remove the valves and/or gratings. Perform the following checks on the
air ducts:
■
Pollution (dirt and grease);
■
Air leakage (loose joints);
■
Resistance (bends, dents and
blocked valves);
■
Valves and/or gratings.
Resolve any noted problems.
With nominal use the exhaust must be cleaned every 4 years and the supply every 8 years.
1 2 3
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300
p
st
[Pa
]
Qv [m 3 /h]
100%
40%
30%
15%
90%
80%
70%
60%
50%
Example graph
Loosen the dirt. Remove the dirt with a vacuum cleaner
or filterbox.
Do not use the unit to dispose
of the dirt from the air ducts.
Switch the power supply on.
Check the air flow settings and (if
necessary) reprogram them.