0000300349/230420/0 MDB-Diluter PRO
23
•
Put a new filter cartridge on the cartridge holder (A) and
attach it with the disassembled parts.
•
Do the same procedure for the lower filter cartridges.
• Connect the compressed air.
• Energize the unit.
•
Dispose of the used filter cartridges in accordance with
federal, state or local regulations.
• Clean the environment of the unit.
Fig. 7.2
A
B
D
C
E
F
Filter replacement
ATTENTION
Make sure that the front of the filter cartridge
aligns
*)
with the filter housing, so that the cover
plate closes well. If this is not the case, the filter
cartridge is not positioned correctly. This can cause
leakage and less efficient operation of the filter
cartridge.
*)
tolerance: max. 2 mm (0.1 in.)
>2 mm
max. 2 mm
>2 mm
max. 2 mm
>2 mm
max. 2 mm
>2 mm
max. 2 mm
Finally:
• Follow the instructions on the HMI.
7.4
Cleaning of the air inlet module
For cleaning purposes, the air inlet module is
provided with an inspection cover on the front and
one on the back side. Depending on the mounting
position of the MDB-Diluter, you can use one or both inspection
covers.
Personal protective equipment (PPE)
Always wear face mask and gloves when
you clean the air inlet module.
To clean the inside of the air inlet module, do the following.
• Loosen the 6 bolts of one or both inspection covers.
• Remove the inspection cover(s).
• Clean the inside of the module, preferably with an
industrial vacuum cleaner and a non-agressive detergent.
• Install the inspection cover(s).
Fig. 7.3 Inspection cover (1 of 2)
8
TROUBLESHOOTING
If the system does not function (correctly), consult
the checklist below to see if you can remedy the
error yourself. Should this not be possible, contact
your supplier.
WARNING
If applicable, put the Panel in the Service Mode
before you do the activities as stated below; refer to
8.1
MDB-Diluter
Symptom
Problem
Possible
cause
Solution
Dust or fume
from outlet
nozzles
Pollution of
the facility
Filter
cartridge(s)
damaged or
installed
incorrectly
Change filter
cartridge(s) or
install them
correctly
Low airflow or
noisy fan
System not
working
properly
Rotation
direction of the
fan is wrong
Follow the arrow on
the fan housing and
check if impeller
direction matches
the indicator. If not,
change motor
direction by
inverting motor
phases between
frequency inverter
and motor (ref. par.
After
installation,
fan runs at
full speed
only (50 Hz)
The system
ignores the
PID setpoint
The fan
pressure sensor
is not correctly
installed
Install the fan
pressure sensor
correctly (ref. par.
Motor error
(“motor
failure”)
System not
working
Fan wheel
blocked
Unblock the fan
wheel
The PTC cable
is not
(correctly)
installed
Repair the
connection of the
PTC cable (ref. par.