4 Commissioning
WARNING!
Commissioningandinitialstart
-upoftheunitmust becarriedoutbyauthorizedpersonnelonly.
WARNING!
Themainspowersupplyispermanentlyconnected tothe main power switch oftheunit. Riskof electric shock.
4.1 Pre-startchecks
1. Make sure that the main power switch on the control panel is set to position 0.
2. Make sure that the air intake filters are undamaged and correctly installed and that all areas inside the
different unit sections are clean.
3. Examine all ducts and duct connections and make sure that all connections have been correctly installed,
and that there are no signs of damag e. M ake sure that all ducts are free from unwanted material blocking
the air passage.
4. Make sure that the humidity transmitter is correctly positioned in the room, and cor rectly connected to
the dehumidifier.
5. Open the cover for the electrical panel and make sure that no circuit breakers or automatic fuses have
tripped. For more information, refer to the w iring diagram provided with the unit.
6. Make sure that the incoming power supply voltage is cor rect and that the cables are cor rectly connected.
7. Set the main power s wit ch to position 1.
8. Star t the unit by setting the mode switch to position MAN.
9. Make sure that the rotor rotates in the direction indicated by the ar rows. If the direction of rotation is
wrong, interchange the connections for the incoming w ires in the main power switch.
10. Switch off the unit and continue with the procedure in section 4.2, Airflow adjustment.
4.2 Airflowadjustment
4.2.1 General
To obtain optimal performance, the process and reactivation airflows must be cor rectly adjusted in
accordance with the rated airflows, see 8.4, Technical data. It is recommended to set the airflows in the control
system display witho ut using dampers.
For more information about the control system, parameters and settings, see the control system
supplement.
Contact M
unters for help with installation and settings. For contact addres ses, see section
10, Cont
act Munters.
NOTE!
Th
eapplication softwaresettingsforthe frequencyconverter aresetat thefactory. The frequencycontrol
rangei
slimitedto correspondtoan acceptable fanspeed.
WARNING!
Rotatinghazard–toprevent access tothe fanimpellersthedehumidifiermustonlyberunwith thewetanddryair
ductsconnected.
190TEN–108 9–G1412
Commissioning
31
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