Plymovent DUALGO, Installation And User Manual

Page: 9 / 20

0000111691/011121/B MonoGo 8
When the buzzer continues to beep after you have
replaced the pre filter cassette, it is time to replace
the HEPA filter cassette.
6.2.2 HEPA filter cassette
To replace the HEPA filter cassette, do the following.
Fig. 6.2
• De-energize the unit.
• Open the front door (A).
• Remove the pre filter cassette.
• Loosen the wingnuts (C) and put the clips (B) in the
upright position. Make sure that the handle of the wingnut
is in a vertical position.
• Gently pull and remove the HEPA filter cassette (D).
• Dispose of the used HEPA filter cassette in accordance with
state or local regulations.
Fig. 6.2
A
A
B
B
C
D
45°
B
C
1
2
Removal of the HEPA filter cassette
Fig. 6.3
• Put a new HEPA filter cassette in the unit. The side pins
exactly fit in the slits (A) inside the housing.
• Lock the HEPA filter cassette with the clips (B). Make sure
to push the clips in the slits (angle 45°).
• Tighten the wingnuts.
• Put the pre filter cassette back in the housing. Make sure
that the arrow on the frame points upwards
7
.
• Close and lock the door.
A
A
B
B
C
D
45°
B
C
1
2
A
A
B
B
C
D
45°
B
C
1
2
Fig. 6.3 Slits + clips (left + right)
6.3 Arm adjustment
If the extraction arm, or a part of it, does not stay in the
desired position, you must adjust the friction.
6.3.1 Hose tube arm (Economy Arm)
• Determine which joint needs more or less friction.
7. The arrow indicates the airflow direction. An incorrectly placed pre filter
cassette affects the filter lifetime.
• Loosen the hose tube to get access to the hinges.
•
Pull the arm in a horizontal position.
• Adjust the friction; refer to Fig. VI on page 12 for the
adjustment points.
6.3.2 Metal tube arm (KUA)
• Determine which joint needs more or less friction.
• Loosen the hose at that position to get access to the hinge.
• Pull the arm in a horizontal position.
• Adjust the friction; refer to Fig. VI on page 12 for the
adjustment points.
7 TROUBLESHOOTING
If the unit 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
Obey the safety regulations that are written in
chapter 3 when you carry out the activities below.
Symptom Problem Possible
cause
Solution
The fan does
not start
The unit does
not function
No mains
voltage
Connect the mains
voltage
Thermal
overload
protection is
activated
- Examine the fan
and motor to find
the cause and
remedy the
problem
- Push the red
button behind the
front panel to
reset. Refer to
Fig. V on page
11
The mains cord
is defective
Repair or replace
the mains cord
Loose contacts Repair the contacts
Motor defective Repair or replace
the motor
The green
LED is on but
the fan does
not run
The unit does
not function
Relay is
defective
Replace the relay
Thermal relay is
defective
Replace the thermal
relay
Motor defective Repair or replace
the motor
Poor
extraction
capacity
The unit does
not function
properly
The shut-off
damper in the
hood of the
extraction arm
is (partly)
closed
(Fully) open the
shut-off damper
Clogged filters
& loose
connection of
pressure sensor
Repair the
connection of the
pressure tubes
Clogged filters
& defective
pressure sensor
Replace the
pressure sensor &
the pre filter
cassette
Replace the HEPA
filter cassette as
well