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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.
NOTICE
The fan may stop and suffer
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
angle controller may cause a
humming
noise.
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
Danger to life if unit is
insufficiently attached to
the roof!
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).
CAUTION
Risk of cuts from metal
housing plates with sharp
edges
Wear protective gloves.
NOTICE
Risks of leakages if unit not
sealed tightly enough!
Screw unit tightly with all
screws.
Fit suitable insulation, sound-
deadening and installation
material.
GB
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