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MFT, JSL, VJD, JTK parts that are used with the jet fans are illustrated on the drawing 5.1.
The connection of MFT mounting bracket, JSL silencer, VJD air router and wire mesh into the jet fan
must be done as it is shown on the drawing.
MFT and JSL parts must be connected with nuts and VJD and JTK parts must be connected with self-
tapping screw.
Fan Diameter
VAX-J
VAX-JR
Min. (mm)
Max. (mm)
Min. (mm)
Max. (mm)
400
5,5
6,88
5,5
6,88
6. OPERATION
Before starting, check the followings; Be sure that foreign objects are removed from fan area and
connected duct system, check connection to the electrical installation, minimum air gap between the tip of the
blade and the housing and no noise appears when starting the fan. If the air gap is correct, switch the device
on and off briefly, in order to check the direction of rotation of the fan. The rotation direction of the fan must
match up with the direction of the arrow on the housing of the fan. If the direction of rotation is wrong,
interchange two phases in order to set the correct direction of rotation.
ALL ELECTRICAL CONNECTIONS SHALL BE DONE ACCORDING TO EN 60204-1
BY TRAINNED AND AUTHORIZED PERSONNEL.
SWITCH THE ENERGY SUPPLY OFF BEFORE YOU BRING ABOUT THE
ELECTRICAL CONNECTION OF THE FAN. MAKE SURE THAT THE ENERGY
SUPPLY CANNOT BE SWITCHED ON AGAIN PREMATURELY. THE ELECTRICAL
CONNECTION MAY ONLY BE CARRIED OUT BY TRAINED PERSONNEL.
THE ELECTRICAL CONNECTION IS TO BE DONE ACCORDING TO VALID
DIRECTIVES AND ONLY BY A QUALIFIED FITTER WITH MATCHING SAFETY
DEVICES FOR THE PROTECTION OF THE MOTOR.
ALL COMPONENTS SHOULD BE EARTHED. DEVICE EARTH CONNECTION MUST
BE DONE ON TOP OF THE CONNECTOR IN JUNCTION BOX and FROM
GROUNDING SCREW WITHIN BODY.
