Operating instructions
M-WRG-S/Z-T(-F,-FC) / M-WRG-S/Z-T(-F,-FC)-FU ventilation unit
- 28 -
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
V E N T I L AT I O N & H E AT R E C O V E R Y
12 Cleaning
WARNING
►
Switch off the power to the ventilation unit before cleaning.
►
When cleaning, make sure that no moisture penetrates into the inside of the housing.
►
Never use a high pressure cleaner, steam cleaner or steam jet.
The ventilation unit is made of high quality plastic and requires little care.
►
Wipe the outer surfaces from time to time with a soft, damp cloth. Use mild soapy water. A
commercially available plastic cleaner can be used for particularly stubborn dirt.
NOTE
►
Never use acidic, corrosive or abrasive cleaning agents.
13 Troubleshooting
Error
Cause
Remedy
Ventilation unit is not running
Ventilation unit is in safe mode
after an EMC fault
Switch the ventilation unit off,
wait 15 s, then switch on
Installation error
Have the wiring checked by a
qualified electrician
Faulty switch, motor or control-
ler
Check by a qualified electrician
Air flaps do not open after
switching on
After a long stoppage or when
starting up for the first time, the
servomotor is not powered by
the electronic circuit.
Switch the ventilation unit off
and on again
Air flap range of motion is
blocked by foreign bodies
(plaster, polystyrene, etc.)
Carefully remove the foreign
bodies, remove the cover if
Ventilation unit starts to chirp
at intervals
Filter is dirty
Change the filter (see „11.3
The ventilation unit frequently
activates the frost protection
function
All the LEDs on the InControl
pushbutton sensor flash
Wiring error
Have the wiring checked by a
qualified electrician