Technical Data - Maico DZQ Série Instructions De Montage Et Mode D'emploi

13 Transport, storage
DANGER
!
Danger from unit falling if transporting with
unauthorised transport equipment.
Do not stand under a suspended load.
Note weight and centre of gravity (centre). Ob-
serve the maximum permitted loading capacity for
lifting gear and means of transport. For total weight
 rating plate on title page.
During transport do not place load on sensitive
components, such as impeller or terminal box. Fit
transport equipment correctly.
CAUTION
!
Risk of cuts from metal housing plates
with sharp edges.
Wear personal protective equipment (cut-
resistant gloves) for installation.
● Only ship unit in original packaging.
● DZD .. Ex e with 2 robust transport lugs for trans-
port by crane.
● Store unit in dry location (-25 to +55 °C).

14 Technical data

 Rating plate on title page or on unit.
Degree of protection of motor IP 54
Air volume, depending on type 440 to 10,500 m³/h
Sound power level 56 to 97 dB(A)
Vibration values (ISO 14694) BV-3
Weight
 Rating plate
15 Ambient/operating conditions
● Permitted ambient and airstream temperature:
-20 °C < Ta < +50 °C. For special versions 
rating plate.
● Division of maximum surface temperature into
classes. Temperature class T...  Rating plate.
Temperature class T1 T2
Maximum surface
450 300 200 135 100
temperature [°C]
16 Mounting
During mounting, note the applicable installation re-
quirements  especially EU Directive 1999/92/EC,
EN 60079-14 and VDE 0100 (in Germany).
Mounting instructions
NOTICE: Damage to the unit
Units with pre-installed line feedthrough to the
terminal box may be damaged if the connec-
tion line is pulled or the unit is lifted using the
line. Do not pull connection lines or lift the unit
using the lines.
Wall-mounted fans DZQ .. Ex e and DZS .. Ex e
● For permanent installation in wall or ceiling with
sufficient load-bearing capacity.
● Any installation position.
● Can be switched to ventilation or air extraction.
● Only mount unit on a level wall / ceiling surface to
avoid warping of the wall plate or wall ring.
DZR .. duct fans Ex e
● For permanent installation in ducts with folded
spiral-seams ducts suited to the unit type (nomi-
nal size). Mounting on a wall, ceiling or bracket of
sufficient load-bearing capacity.
● Any installation position.
● Can be switched to ventilation or air extraction.
● To avoid the transmission of vibrations to the duct
system, we recommend mounting type EL-Ex
and ELAEx flexible couplings, FU mounting foot
and GP vibration dampers from MAICO.
DZD .. roof fans Ex e
● They may be used on roofs (flat, inclined, corru-
gated or trapezoidal roofs), ceilings or brackets
with sufficient load-bearing capacity.
● Horizontal installation position required. Horizon-
tal air outlet direction.
● Can be switched to ventilation or air extraction.
● Can be mounted with roof flashing on suitable
roof socket or surface, e.g. with MAICO roof
socket SO.., SDS.. or SOWT..
● If connecting to ventilation ducts, folded spiral-
seams ducts with flexible couplings, feet and
vibration dampers are specified. These prevent
the transmission of vibrations to the duct system.
Checks before mounting
1. Perform the following checks: D = detailed
check, N = close inspection, S = visual inspection
Test schedule
I Unit corresponds to EPL/zone
requirements of the installation
location.
II Correct device group.
Correct temperature class for units. ●
III
Degree of protection (IP degree)
IV
of units corresponds to level of
protection / group / conductivity.
V Unit power circuit name present
and correct.
VI Housing and connections
satisfactory.
Before installing, check that the
VII
motor bearing is working properly.
Unit mounting
1. Check unit for transport damage.
2. Make a breakthrough at the installation location.
Make sure there is a level support surface.
3. Lay a permitted power cable to the installation
location. Use a connection cable suited to the
unit type.
CAUTION
!
T3 T4 T5 T6
Risk of cuts from metal housing plates
85
with sharp edges.
Wear personal protective equipment (cut-
resistant gloves) for installation.
4. DZR.. Ex e: Secure appropriate mounting foot
(type FU) to fan housing with self-cutting tapping
screws provided. Any installation position. Make
sure that there is free access to terminal box at
the installation location.
5. DZQ/DZS/DZR/DZD .. Ex e: Transport fan to
installation location. Note safety instructions and
data in chapters 12 to 15. If possible position
DZD .. Ex e on the roof at the installation site
using a crane.
6. DZD .. Ex e: Use suitable insulation, sound-dead-
ening and installation material between the unit
and roof/roof socket.
DANGER
!
fan may vibrate during operation.
The
Should the
risk of death if the fan falls as a result of its
inherent weight.
Only mount on walls/ceilings with sufficient
load-bearing capacity and sufficiently dimensioned
mounting material.
NOTICE
Risks of leakages if unit is not sealed tightly
enough. Firmly screw fan down at all flange holes.
D N
● ●
● ●
●
● ●
● ●
● ●
● ●
attachment come loose, there is a
7. Install fan and screw down securely to wall/ceil-
ing/roof/roof socket at all flange holes [X] (4...16
holes, depending on type). Mounting material
of the sufficient size should be provided by the
customer. Note direction of rotation and air flow
 air direction arrows on unit sticker.
8. Mount DZR.. Ex e with pre-fitted mounting foot
to wall, ceiling or bracket. Mounting material
of the sufficient size should be provided by the
customer.
9. DZR/DZD .. Ex e: Connect ventilation ducts.
Securely screw down folded spiral-seams ducts
to all fan flange holes with flexible cuffs or flex-
ible couplings (MAICO types EL-Ex / ELA-Ex).
Ensure seal integrity.
10. Check air gap between impeller and housing.
DZQ ../DZS ..: Check air gap between impeller
and housing after mounting with the gauge
provided  Fig. A1, table.
S
●
DANGER
!
Explosion hazard when operating without pro-
tective device should foreign bodies fall or be
drawn into the air channel  Risk of death due
to spark formation. Use an approved protective
● grille to protect the impeller from contact, anything
falling in and foreign bodies being sucked into the
air channel .
●
11. If the air inlet or outlet is not covered, mount a
permitted protective grille, e.g. MAICO protec-
●
tive grille SG... in front of the unit.
12. Ensure a sufficient fresh air supply intake.
●
13. Fit suitable insulation, sound-deadening and
installation material.
17 Electrical connection  Fig. E
DANGER
!
Danger from electric shock. Before accessing
the connection terminals, release all power supply
circuits, protect against switching on again, ensure
unit is de-energised, earth and connect the EARTH
with active parts which are to be short-circuited,
and cover or make inaccessible adjacent energised
parts. Attach warning sign in clearly visible place.
Ensure that there is no explosive atmosphere.
Operation only permitted:
● with permanent electrical installation.
● with connection cable permitted for explosion risk
areas and load.
● with mains disconnector with a contact opening
of at least 3 mm per pole.
● with shared non-metallic sheathed cable for mo-
tor voltage and PTC thermistor terminal.
● with permitted voltage and frequency
 rating plate.
● with explosion protection terminal box provided.
● with protective-conductor terminal, at mains end
in
terminal box. There is a terminal on the outside
of the fan
for earthing the duct system.
● if operating in intended air power range.
● at permitted operating point. The current and
power stated on the rating plate are measured
with free suction and free blow-out. They may be
higher or lower depending on the operating point.
A PTC thermistor triggering device is essen-
i
tial for thermal fusing. Only undertake speed
control with transformer matched to type,
e.g. with MAICO TR... Exception: DZ.. 35/2 B
Ex e does not offer speed control.
i
DZD .. Ex e: Fit service switch on roof directly
at installation location.
UK
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