
924KTE4.01 - KT
series humidifiers
05/2021
| 25 |
LED Colour Function
Description
L7 Red
Solenoid valve
ON when the solenoid valve is active.
IfitstaysONwhenthesolenoidvalveisOFF:
1)
Thesolenoidvalveisnotworking;
2)
Thesolenoidvalvefilterortheexternalfilterisblocked;
3) There is no mains water;
4)
Theelectronicboardisnotworking.
L8 Red
Feed water
This LED comes on when the water is first fed into the system after being discharged.
It goes off as soon as the absorbed intensity is around 1 A.
If it stays on and no water is fed into the system and no steam is produced (despite a request
beingmade),checkthecontactor.
7.2 Switching on and starting up
DANGER
RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC
• Do not install the equipment while the power supply is connected.
•
Switchoffallequipmentandremovethepowerfuses,includinganyconnecteddevices,beforeremovinganycoversor
hatches,orbeforeinstallingoruninstallingaccessories,hardware,cablesorwires.
•
Alwaysuseacorrectlycalibratedvoltmetertocheckthesystemisswitchedoff.
• Do not touch the unshielded components or the terminals while they are live.
•
Makesuretheequipmentisproperlyearthedandifitisnot,earthit.
• Before applying voltage to the equipment:
•
Makesureallprotectiveelements,suchascovers,hatchesandgrilles,arefittedand/orclosed.
•
Checkallwiringconnections.
NOTICE
MALFUNCTIONING OF THE EQUIPMENT
•
Checkthewatersupplyhasbeencorrectlyconnected.
•
Checktherearenosiphonsinthedrainageduct.
•
Checkthetiesonthesteamoutlethavebeencorrectlytightened.
•
Checktherearenocondensationpocketsorobstructionsinthesteamsupplypipe.
To start up the humidifier (with the humidistat connected):
•
Checkthefeedinganddischargingsystemsandthesteamsupplypipe(see
"5.2 WATER CONNECTIONS" ON PAGE 13,
"5.3 WATER DISCHARGE SYSTEM" ON PAGE 13
"5.4 STEAM DISTRIBUTION IN AN AHU OR DUCT" ON PAGE 14)
;
• For models with fuses: Insert the power fuses - For models with a disconnector: Activate the internal disconnector;
• Connect the humidistat according to the operating mode (see
"6.3 WIRING DIAGRAMS" ON PAGE 22);
•
Checkthereisavoltage-freecontactorashortcircuit("bridge")betweenterminals4-5ofterminalblockM1,see
•
Closethepanelsofthehumidifier;
•
Activatethedisconnectorinstalledontheoutsideofthehumidifierandopenthewater;
•
PresstheON/OFFkeyonthefrontofthehumidifiertostartitup;
•
Setthehumidityrequestsetpointto100%,LEDs1and2willcomeon;
•
Thehumidifierwillstartawaterfeedcycle(LED4willcomeonwhenfeeding)andadischargecycle(LED6willcomeon
when discharging);
•
Whenitisfullydischarged(LED6willgooff),setthehumidityrequestsetpointasrequired;
•
Uponreceivingthehumidityrequest,thehumidifierbeginsfeedingwaterintotheboileruntilitreachestheminimum
level that guarantees rapid steam production.
•
Thehumidifierregularlydischargesallthewaterandrefillsagain,performingawashingcycletoensureoptimal
operating conditions.