7 Relocation
Installation and operation manual
8
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664011-1 – 2021.08
Malfunction
Measure
If the controller display indicates the unit
number, the operation lamp flashes and
the malfunction code appears.
Notify your installer and
report the malfunction
code.
If the system does NOT operate properly except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system in accordance with the following
procedures.
INFORMATION
The unit may not operate as requested due to a filter
contamination check.
In case a malfunction code appears on the indoor unit controller
display, contact your installer and inform the malfunction code, the
unit type, and serial number (you can find this information on the
nameplate of the unit).
For your reference, a list with malfunction codes is provided. Refer to
"15.1.1 Error codes: Overview"
26]. Depending on the level of the
malfunction code, the code can be reset by pushing the ON/OFF
button. If NOT, ask your installer for advice.
If after checking all above items, it is impossible to fix the problem
yourself, contact your installer and state the symptoms, the complete
model name of the unit (with manufacturing number if possible) and
the installation date (possibly listed on the warranty card).
Malfunction
Measure
The system does NOT
operate at all.
▪ Check if there is no power failure. Wait
until power is restored and restart
operation.
▪ Check if no fuse has blown or breaker is
activated. Change the fuse or reset the
breaker if necessary.
▪ Check if the indication of the operation
control method on the controller is
shown. This is normal. Operate the unit
using the air conditioner remote control
or the central controller. Refer to
▪ Check if the indication of operation
standby is displayed on the controller,
indicating that the unit is precooling/
preheating. The unit is at stop and will
start operation after the precooling/
preheating operation is completed. Refer
to
18].
Malfunction
Measure
The amount of
discharged air is small
and the discharging
sound is high.
▪ Check if the air filter and heat exchange
element are NOT clogged. Refer to
6].
The amount of
discharged air is large
and the discharging
sound is high.
▪ Check if the air filter and heat exchange
element
are
installed.
Refer
to
6].
INFORMATION
The preheating/precooling function of the heat reclaim
ventilation unit is disabled when it is connected to an
EKVDX.
7
Relocation
Contact your dealer for removing and reinstalling the total unit.
Moving units requires technical expertise.
8
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
