Troubleshooting 5
0020159950_07 recoVAIR Operating instructions
9
–
Adjustment range:
Intens. ventilation On
,
In-
tens. ventilation Off
Ventilation levels
–
Overview (
→
Page 14)
▶
Confirm by pressing
.
4.6.2
Setting the ventilation at the step switch
Conditions
: Step switch connected
6
5
4
3
1
2
1
Maintenance indicator
2
Rotary switch
3
Increased ventilation
4
Nominal ventilation
5
Automatic ventilation
6
Reduced ventilation
▶
Use the step switch to set the ventilation level (optional
accessory).
Ventilation levels
–
Overview (
→
Page 14)
Note
The maintenance display
(1)
lights up if the
product requires a filter change or general
maintenance, or if a fault is present.
4.6.3
Setting the ventilation at the control
Conditions
: Controller connected
▶
Navigate to the corresponding menu in the control and
set the ventilation level (
→
Control operating instruc-
tions).
Ventilation level
Proportion of the nominal ventilation
1)
0
40 %
1
70 %
2
80 %
3
90 %
4
100 %
5
110 %
6
120 %
7
130 %
1)
The nominal ventilation is the normal operating mode with
normal loading of the room air and a normal number of
people.
4.7
Setting the desired temperature
Conditions
: Controller connected, No boiler connected
OR: No controller connected, No other units connected (only
recoVAIR
is
available)
▶
Press
in the basic display.
▶
Use
and
to select the desired
temperature.
–
Adjustment range: 16 … 28
℃
▶
Confirm by pressing
.
5
Troubleshooting
5.1
Detecting and rectifying faults
Danger!
Risk of death from electric shock!
Risk of death from electric shock when work-
ing on live connections (230 V).
▶
Before carrying out any work on the
product, pull the product's mains plug
out of the earthed plug socket or use the
circuit breaker (depending on the country)
to switch off the product's power supply.
▶
Secure the power supply against being
switched on again.
▶
Check that there is no voltage in the con-
nections.
▶
If faults or fault messages (
F.XXX
) or limp home mode
messages (
Lhm.XXX
) occur, proceed in accordance with
the tables in the appendix.
▶
If the product is not functioning correctly, contact a com-
petent person.
6
Maintenance and care
Danger!
Risk of death from electric shock!
Risk of death from electric shock when work-
ing on live connections (230 V).
▶
Before carrying out any work on the
product, pull the product's mains plug
out of the earthed plug socket or use the
circuit breaker (depending on the country)
to switch off the product's power supply.
▶
Secure the power supply against being
switched on again.
▶
Check that there is no voltage in the con-
nections.
An annual inspection and biennial maintenance of the
product carried out by a competent person is a prerequisite
for ensuring that the product is permanently ready and
safe for operation, reliable, and has a long service life. The