Operating instructions
M-WRG-S/Z-S, M-WRG-S/Z-24,
M-WRG-S/Z-EIB, M-WRG-S/Z-KNX (-F, -FC) ventilation units
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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
8.3
Check position of air flaps
NOTE
►
Check the position of the air flaps (see Fig. 11 and Fig. 12) on the extract air and supply air
openings.
— Both air flaps will be closed if the ventilation unit is switched off or without power (see
item 1 in Fig. 11).
— Both air flaps open when you switch on (see item 1 in Fig. 12).
NOTE
If the air flaps do not open fully after switching on for the first time or after a longer stoppage, follow
the steps below:
►
Switch the ventilation unit off.
►
Wait at least 15 s.
►
Switch the ventilation unit on again.
The air flaps should open fully. If this is not the case, repeat the above steps.
Fig. 11: Air flaps closed
Fig. 12: Air flaps open