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Les langues disponibles
Installation and Operating Instructions
EN
Poti feed
Type
in V / mA
MV EC 125
10 V / 10 mA
MV EC 160
10 V / 10 mA
MV EC 200
10 V / 10 mA
MV EC 250
10 V / 10 mA
MV EC 315
10 V / 10 mA
CHAPTER 7
SERVICING AND
MAINTENANCE
m
WARNING
m
WARNING
nm
m
WARNING
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®
MultiVent
MV EC
6 .3 Technical data for control inputs
PU / A
PU / A
Control / setpoint
from a 10 V
from a 10 V
input in V / A
fan power
fan power
(load)
supply (without
supply (with
PU/A LED)
PU/A LED)
0-10 V / 1.0 mA
8
2
(Ri = 10 kOhm)
0-10 V / 1.0 mA
8
2
(Ri = 10 kOhm)
0-10 V / 1.0 mA
8
2
(Ri = 10 kOhm)
0-10 V / 1.0 mA
8
2
(Ri = 10 kOhm)
0-10 V / 1.0 mA
8
2
(Ri = 10 kOhm)
7 .0
Servicing and maintenance
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Touching live parts will lead to electric shock .
Before any servicing and maintenance work, isolate the fan from the mains power supply and protect against
being switching on again!
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Terminal compartment access is only permitted after power supply is disconnected and 5-minute waiting
period .
m
The rotating impeller can crush fingers .
Before any servicing and maintenance work, isolate the fan from the mains power supply and protect against
being switching on again!
– Excessive deposits of dirt, dust, grease, etc. on the impeller, motor, protection guard and, above all, between the
housing and the impeller, are not permitted, as these can lead to an unbalance in the impeller, overheating of the
motor or the blocking of the impeller. In such cases, the unit must be cleaned.
– In cases of longer periods of standstill, maintenance must be carried out when the unit is restarted.
The following must be checked:
• Secure attachment of the fan to the subsurface / system, replace in case of doubt
• Remove contaminant deposits
• Mechanical damage, disconnect unit, replace damaged parts
• Tight fit of screw connections, do not loosen screws in the process!
• Casing quality (cracks, brittleness of the plastic)
• Free movement of the impeller, impeller does not move freely, see Fault causes 8.1
Wear protective gloves when checking unhindered running of impeller!
• Bearing noises
• Vibrations – see Fault causes 8.1
• Current consumption according to type plate – see Fault causes 8.1
7 .1
Standstill and disposal
m
WARNING
Danger to life due to electric shock!
When dismantling, live parts can be exposed, which can result in electric shock if touched .
Before dismantling, isolate the fan from the mains power supply and protect against being switching on
again!
Parts and components of the fan, whose service life has expired, e.g. due to wear and tear, corrosion, mechanical
load, fatigue and/or other effects that cannot be directly discerned, must be disposed of expertly and properly after
disassembly in accordance with the national and international laws and regulations. The same also applies to auxiliary
materials in use. Such as oils and greases or other substances. The intended and unintended further use of worn parts,
e.g. impellers, rolling bearings, filters, etc. can result in danger to persons, the environment as well as machines and
systems. The corresponding operator guidelines applicable on-site must be observed and used.
Number of possible fans with
SU / A-3 10
EUR EC
ETR / DER
from a 10 V
from a 10 V
from a 10 V
fan power
EUR EC
fan power
supply
power supply
supply
8
10
not possible
8
10
not possible
8
10
not possible
8
10
not possible
8
10
not possible
18
ETR / DER
EDR / ETR
Relay output Wiring dia-
power
gram
supply with
external unit
NG24
10
NOC 250 V
SS-1194
/ 3 A
10
NOC 250 V
SS-1194
/ 3 A
10
NOC 250 V
SS-1194
/ 3 A
10
NOC 250 V
SS-1194
/ 3 A
10
NOC 250 V
SS-1195
/ 3 A
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