5.5 Operatingtheunit
5.5.1 Initialstart-up,Manualmode(MAN)
1. Set the main power s wit ch to position 1 and check that the display lights up.
2. Set the mode switch to MAN position. Check that:
■
The white lamp which indicates that the dehumidifier is in operational mode lights. A few seconds
delay is normal.
■
Thefanshavestarted.
■
The airflows for the process and reactivation air are correct, see section 7.4, Technical data.
3. Run the unit for about 10 minutes to allow the operating conditions to s tabilise. Check that the
reactivation heater temperature is correct.
4. Set the mode switch on the control panel to position 0. In order to dissipate any residual heat, the
reactivation air fan w ill continue to run after the unit has been switched off. The fan will run until t h e
temperature has fallen below preset temperature, or according to preset time. The default temperature
valueis50°Candthetimevalueis30s.
5.5.2 Initialstart-up,Automaticmode(AUTO)–regulatingtoset-point
In order to operate the unit in automatic mode to a desired set-point, the humidity transmitter must be
connected. If the system is equipped with "remote start", this switch must be closed.
If remote start is not used, ensure that the jumper between terminal blocks 9 and 10 in row XT1 is fitted.
The following steps applies irrespective of w hether the unit is controlled by set-points entered via the unit's
displayorbyexternalmeans.
1. Set the main pow
er switch to position 1; electrical connection is confirmed by the display lighting up.
2. Adjust th e humi
dity set-point to the lowest possible value, internally or externally.
3. Set the mode sw
itch to AUTO position. Check that:
■
The white lamp
which indicates that the unit is in operational mode lights. A few seconds delay
is normal.
■
The fans have
started.
■
The heater is
switched on.
■
Reactivati
on temperature rises.
4. Set the mod
e switch to position 0. In order to dissipate any residual heat, the reactivation air fan will
continue
to run after the unit has been switched off. The fan will run until the temperature has fallen
below pre
set temperature, or according to preset time. The default temperature value is 50 °C and the
time valu
eis30s.
5. Set the r
equired expected value for humidity and restart the unit if necessar y.
30
Opera tion
190TEN–106 5–J 1408
To Next Page
Loading...
