Operating instructions

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Twosilverionisationelectrodespreventtheformationofslimeandmicroorganismsinthebasetub
andonthehumidicationdrum.TheionizerelectrodesareactiveassoonastheDefensorPH28/
PH28A is switched on.
Operating modes
TheDefensorPH28/PH28Acanbeoperatedinthefollowingoperatingmodes:
– Operationasairhumidier
Inthehumidiermodetheventilatorandthehumidicationdrumarerunningonly,iftheactual
humidityvalueisbelowthesetreferencevalue.
Note:iftheactualhumidityvalueremainsbelowthereferencevalueforaprolongedperiodof
time,thefanmustbeswitchedtothenexthighestlevel.
– Operation as airpurier(withouthumidication)
Inthisoperatingmodethefanisrunningcontinuously.Thehumidicationdrumremainsswitched
off.
– Operation as airpurier/humidier(Combinedmode)
Inthisoperatingmodethefanisrunningcontinuously.Thehumidicationdrumisonlyswitched
oniftheactualhumidityvalueisbelowthesetreferencevalue.
3.6 Options
DefensorPH28 DefensorPH28A
Radio humidity sensor
Theradiohumiditysensorcanbeusedinsteadoftheinte-
gratedhumiditysensor.Themaximumrangeoftheradio
humidity sensor in an open room is 25 m
Note: the radio humidity sensor as well as the receiver
boardmustbeinstalledandconguredonlybyaservice
technicianofyourDefensorrepresentative.
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