Operating instructions
W2D250-CH02-01
Translation of the original operating instructions
3.2 Nominal data
Motor
M2D068-CC
Phase
3~
3~
3~
3~
Nominal voltage / VAC
230
230
400
400
Wiring
Δ
Δ
Y
Y
Frequency / Hz
50
60
50
60
Method of obtaining
data
fa
fa
fa
fa
Valid for approval/
standard
CE
CE
CE
CE
Speed / min
-1
2450
2550
2450
2550
Power consumption / W
115
150
115
150
Current draw / A
0.34
0.41
0.20
0.24
Max. back pressure / Pa
150
150
150
150
Min. ambient
temperature / °C
-25
-25
-25
-25
Max. ambient
temperature / °C
65
45
65
45
Starting current / A
0.82
0.77
0.47
.44
ml = Max. load · me = Max. efficiency · fa = Free air
cs = Customer specification · ce = Customer equipment
Subject to change
3.3 Technical description
Weight
2.1 kg
Fan size
250 mm
Rotor surface
Painted black
Blade material
Sheet steel, painted black
Fan housing material
Sheet steel, pre-galvanized and coated
with black plastic
Guard grille material
Steel, phosphated and coated with black
plastic
Number of blades
7
Airflow direction
"V"
Direction of rotation
Counterclockwise, viewed toward rotor
Degree of protection
IP44
Insulation class
"B"
Moisture (F) /
Environmental (H)
protection class
F5
Installation position
Shaft horizontal or rotor on bottom; rotor
on top on request
Condensation
drainage holes
On rotor side
Mode
S1
Motor bearing
Ball bearing
Touch current
according to IEC
60990 (measuring
circuit Fig. 4, TN
system)
< 0.75 mA
with cable
Lateral
Protection class
I (with customer connection of protective
earth)
Conformity with
standards
EN 60335-1; CE
Approval
EAC
With regard to cyclic speed loads, note that the rotating parts of
the device are designed for a maximum of one million load
cycles. If you have special questions, consult ebm-papst for
support.
3.4 Mounting data
For screw clearance, see Chapter 3.1 Product drawing
;
Secure the screws against unintentional loosening (e.g. use self-
locking screws).
Any further mounting data required can be taken from the product drawing.
3.5 Transport and storage conditions
;
Use the device in accordance with its degree of protection.
Max. permitted
ambient temp. for
motor (transport/
storage)
+ 80 °C
Min. permitted
ambient temp. for
motor (transport/
storage)
- 40 °C
4. CONNECTION AND STARTUP
4.1 Mechanical connection
CAUTION
Cutting and crushing hazard when removing device
from packaging
Blades can bend
→ Carefully remove the device from its packaging, by the fan
housing. Strictly avoid shocks.
→ Wear safety shoes and cut-resistant safety gloves.
;
Check the device for transport damage. Damaged devices are not to
be installed.
;
Install the undamaged device in accordance with your application.
CAUTION
Possible damage to the device
If the device slips during installation, serious damage can result.
→ Ensure that the device is securely positioned at its place of
installation until all fastening screws have been tightened.
4.2 Electrical connection
DANGER
Voltage on the device
Electric shock
→ Always connect a protective earth first.
→ Check the protective earth.
DANGER
Faulty insulation
Risk of fatal injury from electric shock
→ Use only cables that meet the specified installation
regulations for voltage, current, insulation material, capacity,
etc.
→ Route cables so that they cannot be touched by any
rotating parts.
Item no. 10225-5-9970 · ENU · Change 89188 · Approved 2016-04-18 · Page 5 / 9
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
