Installation; Electrical Connection - Maico EZD 25/4 E Betriebsanleitung

UK │ 9. Installation

9. Installation

DANGER
Danger to life from incorrect installation
location or insufficient attachment to the
ceiling. Only fit in places with sufficient
load-bearing capacity. The customer
should provide mounting material of a
sufficient size (screws with diameter of
10 mm, min. strength class 8.8). Screw unit
tightly to the roof or roof socket.
NOTICE
Risks of leakages if unit not sealed
tightly enough. Screw unit tightly. Fit
suitable insulation, sound-deadening and
installation material.
Installing the fan
1. Use suitable means of transport or lifting
gear to position unit on the installation site,
see chapter 7, Transport.
2. Mark and drill 4 mounting holes and insert
dowels.
3. Lift unit and fit suitable insulation and
sound-deadening material.
4. With a free inlet, fit a protective grille (type
SG) to the unit from below as protection
against accidental contact and drawing in.
5. Position unit and screw tightly to the
roof/roof socket.
18
Connection to piping
1. Lay folded spiral-seams ducts flush
against the fan on the suction side.
Observe spacing for flexible cuffs or
flexible couplings (types EL / ELA).
2. Secure folded spiral-seams ducts to fan
with flexible cuffs or flexible couplings
(types EL / ELA).
3. With a free inlet, fit a protective grille (type
SG) as protection against accidental con-
tact and drawing in.
4. Fit suitable insulation and sound-deade-
ning material.

10. Electrical connection

NOTICE
Risk of damage to unit in the event of
short-circuits. Insulate any unnecessary
cable cores.
Important notes
● Always note the relevant specifications for
electrical installations and when fitting
equipment. In Germany observe DIN
VDE 0100 and the corresponding parts
in particular.
● A service switch must be fitted at the
installation location for cleaning, mainte-
nance or repair work. It must be possible
for the service switch to be secured
against being switched back on.
● Tightening torques of screws on terminal
block [20] 0.7 Nm and on terminal box
cover [17] 1.0 Nm.
Prescribed tightening torques
Component
Terminal box cover M4 stain-
less steel cylinder head screws
Mantle terminal M7 x 0.75 mm
Motor terminals TK
Tightening
torque
1.0 Nm
0.7 Nm
0.7 Nm