Dantherm CDT 90 MKII, Service Manual

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User guide,
cont.
Internal hygrostat
operation
The table below shows operation of the hygrostat function and display texts.
Step Key Feedback
Press
and
hold
HYG SET RHxxx% - will flash for 5 seconds. The dehumidifier will
then switch to internal hygrostat-controlled operation with set point
(once the set point is reached, the display will show INT HYG STOP)
Press +/- briefly to set the RH% value in during the above 5 second
period. The new value will be saved after a further 5 second period
after the last key is pressed
Press HYG OFF - will flash for 5 seconds. The dehumidifier will then switch
to constant
External hygrostat
operation If an external hygrostat is connected, the machine will automatically switch over to us-
ing it
Any adjustment of the set point must now be made on the external hygrostat. (once the
set point is reached, the display will show
EXT HYG STOP)
Hour counter The built in hour counter logs the total number of operating hours (cannot be reset) and
the number of hours left until the next service, which can be adjusted. The service hour
counter is disabled upon delivery.
Step Key Feedback
Press
and
hold
SERVICE xxxxh – shows the number of hours to the next au-
thorised service. This value is saved automatically after 5 se-
conds of flashing, and the function will activate if not already
activated. When the set number of hours for service intervals
has expired, the display will switch to SERVICE
Press +/- briefly to set a new service value. The new value
will be saved 5 seconds after the last key is pressed
Press SET SERVICE OFF – deactivates the service timer function
Continued on next page
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