Maico EZD 30/ B Série Instructions De Montage Et Mode D'emploi page 14

GB
7. Installation preparation
7.1 Requirements at the installation
site
● Construction only permitted on flat, sloping,
corrugated or trapezoidal roof with
sufficient roof load.
● Construction only permitted on roof socket
suitable for roof shape and roof pitch.
● Construction only permitted with suitable
base frame to avoid leakages.
7.2 Installation preparations
 Lay a permanent power cable to the
installation location.
 Ensure the base frame is suitable and
level.
 Use suitable insulation, sound-deadening
and installation material between the unit
and roof socket.
 If there is a free inlet in front of the housing
[13], fit a protective grille, for example
Maico protective grille SG...
7.3 EZD... units:
Operation with speed controller
 Use speed controller STU 1, ST 1 or STS
2.5 from the Maico range of accessories.
The fan may stop and suffer
NOTICE
functional problems if the
output voltage on the speed
controller is too low.
 Observe information in speed
controller operating instructions.
 Always set the minimum
speed on the speed controller
such that the motor starts up
again after power failure.
The technology in the phase
i
angle controller may cause a
humming noise.
12
7.4 DZD... units:
operation with transformer
 For DZD... units (400 V, 3-phase), use a
suitable transformer from the Maico range
of accessories, for example:
TR 0,4-1 TRV 1,0-1
TR 0,8-1 TRV 1,7-1
TR 2,5-1 TRV 2,5-1
8. Installation
Danger to life if unit is
insufficiently attached to
the roof!
DANGER
 Screw unit tightly to the roof
socket or roof.
 Provide mounting material of a
sufficient size (screws with
diameter of 10 mm, min.
strength class 8.8).
Risk of cuts from metal
housing plates with sharp
edges
CAUTION
 Wear protective gloves.
Risks of leakages if unit not
NOTICE
sealed tightly enough!
 Screw unit tightly with all
screws.
 Fit suitable insulation, sound-
deadening and installation
material.