IMO DVG

20 DVG 16.08.2021
Symbol
Description
G1
Fan DVG-EC
G2
EC controller - terminals prewired with connection box on the casing
G3
Service switch ON-OFF, 6 pole + 1xNC
F1
Fault relay
F2
Analog input for set value / speed setting
F3
Potentiometer for speed setting
F4
External sensor
F5
Speed output
F6
FIRE mode (open = FIRE)
F7
Start/Stop switch (open = stop)
F8
Modbus
E1
Power supply - connection in G3
Max. cable cross-section: 2,5 mmq (4 mmq without core end sleeves)
Max. cable diameter: 13 mm
Cable gland on supply side included: 1xM20x1,5
Possible to install additional cable glands 1xM20x1,5, 1xM16x1,5
E2
Control cables - connection in G2/connection box on the casing
Max. cable cross-section: 1,5 mmq, recommended 0,75 mmq, max. cable diameter: 13 mm
Cable glands on the connection box: 2xM20x1,5 for control cables
2 cable inserts with 3x5 mm hole enclosed for thinner control cables alternatively
Eventual protecting tube for control cables not enclosed
E3
EC-Motor pre-wired
Marking
Terminal No.
Description
Mains supply
PE
1
PE connection
N
2
Neutral
L
3
Supply voltage 1~ 200-265V/50-60Hz
Fault relay
NC
4
Normally close
COM
5
Common connection; contact rating 250V/5A
NO
6
Normally open
User interface
An1
7
Analog input 1; set value 0-10V; R >= 1kΩ
GND
8, 12, 14
I/O ground
Pot
9
Potentiometer output (3 wires)
+5V
10
+5V +/-5% / 10mA for potentiometer
An2
11
Analog input 2 for external sensor
+24V
13, 16, 19
+24V +/- 5% DC (unregulated) voltage / Imax 40 mA
Speed
15
Digital output; speed output PWM signal
f ~ 1,1 kHz; NPN open collector output
Fire
17
Digital input; FIRE mode
enabling function - open pin
disabling function - bridge to +24V
Start/Stop
18
Digital input; start/stop
start - bridge to +24V
stop - open pin
A
20, 22
Bus connection RS485 - A; MODBUS RTU
B
21, 23
Bus connection RS485 - B; MODBUS RTU
Motor connection
PE, U, V, W
24, 25, 26, 27
Motor pre-wired
Appendix 3: Wiring diagrams DVG-EC 1~