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Plug fan GMEC with EC-motor - Operating instructions
10
FläktGroup DC_9942GB_20180604_R0
Specifications are subject to alteration without notice
5.5.3 Connection diagram C – 3-phase with plastic terminal box
5.5.4 Connection diagram D – 3-phase with aluminum terminal
box
L1
L2
3x400 V, 50 Hz
L3
L1
L2
L3
PE
PE
PE
LARMRELÄ
(NC 2A 250 VAC)
MODBUS RS485
Potentiometer 10 k
Ω
0 ... 1V
= stopp
1 ... 10V = min ... max hastighet
NC
RSB
RSA
+10V (24Vin)
0-10V
COM
GND
EC-motor
3 400V
L1
L2
3x400 V, 50 Hz
L3
L1
L2
L3
PE
PE
KL1
KL2
KL3
KL3
PE
ALARM RELAY
(NC 2A 250 VAC)
MODBUS RS485
0 ... 1V = stop
1 ... 10V = min ... max speed
NO
NC
RSB
RSA
Ain2/U
Ain1/U
Ain1/I
Ain2/I
Din1
Din2
Din3
GND
Actual speed 0-10V =
0....max speed
Enable = open contact
+10V
+20V
COM
GND
Aout
EC-motor
3 400V
*)
*)
Potentiometer
10 k
Ω
Cable glands:
1xM20x1,5: Cable diameter min. 8 mm, max 12 mm, tightening
torque 2,5
±
0,4 Nm
2xM16x1,5: Cable diameter min. 6 mm, max 10 mm, tightening
torque 2,5
±
0,4 Nm. If included seal is used then cable diameter
is min. 4 mm, max 7 mm, tightening torque 2,5
±
0,4 Nm.
Designation Function / assignment
PE
Protective earth
PE
Protective earth
L1
Power supply
L2
Power supply
L3
Power supply
NC
Status relay, floating status contact; break for failure,
contact rating 250 VAC / 2A (AC1) / min 10 mA, re-
inforced insulation on supply side and basic
insulation on control interface side
COM
Status relay, floating status contact; common con-
nection, contact rating 250 VAC / 2A (AC1) / min 10
mA, reinforced insulation on supply side and basic
insulation on control interface side
GND
Reference ground for control interface, SELV
RSA
RS485 interface for Modbus, RSA; SELV
RSB
RS485 interface for Modbus, RSB; SELV
0-10V
Analog input (set value); 0-10V; Ri = 100k
Ω
;
adjustable curve; SELV
+10V
Fixed voltage output 10 VDC, +10V
±
3%,
max 10 mA, short-circuit-proof; power supply
for external devices (e.g.pot);
Fixed voltage input 24 VDC for setting parameters
via MODBUS without line voltage supply
Cable glands frame size 112:
3xM20x1,5: Cable diameter min. 4 mm, max 10 mm, tightening
torque 4
±
0,6 Nm
Cable glands frame size 150:
2xM20x1,5: Cable diameter min. 6 mm, max 12 mm, tightening
torque 4
±
0,6 Nm
1xM25x1,5: Cable diameter min. 9 mm, max 16 mm, tightening
torque 6
±
0,9 Nm
No. Designation Functional/assignment
KL1
L1
Supply connection, power supply 3-phase
380-480 VAC, 50/60 Hz
KL1
L2
Supply connection, power supply 3-phase
380-480 VAC, 50/60 Hz
KL1
L3
Supply connection, power supply 3-phase
380-480 VAC, 50/60 Hz
PE
PE
Ground connection, PE connection
KL2
NO
Status relay, floating status contact; make for
failure
KL2
COM
Status relay, floating status contact; changeover
contact; common connection; contact rating
250 VAC / max. 2 A (AC1) / min. 10 mA
KL2
NC
Status relay, floating status contact; break for
failure
KL3
RSA
Bus connection RS485, RSA, MODBUS-RTU;
SELV
KL3
RSB
Bus connection RS485, RSB, MODBUS-RTU;
SELV
KL3
GND
Reference ground for control interface; SELV
Summary of Contents for CENTRIFLOW 3D PLUG FAN GMEC
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