14
Figure 4.j. NRV Inverter Internal Wiring Diagram for B80, B160 and B300 three phase fans
Figure 4.k. NRV Local Relay Unit Internal Wiring Diagram for BH300 three phase fans
Ci
rcui
t
VF Ena
b
le
N
L
N
L
1 Ph Supply
230V 50Hz
L
E
N
V
U
W
4
3Ph Supply
To Fan
TERMINAL RAIL
Br
o
w
n
Green/Yellow
Violet
Orange
RA
15V
LI1
R/L1
S/L2
RC
V.S.D.1
AI1
0V
W/T3
U/T1
V/T2
E L
230V 50HZ 1 Pha SUPPLY
MAINS ON LAMP
FAN HEALTHY LAMP
TO FAN
tW
tU
tV
Blue
N
t1
t2
Brown
Fan Trip
Ci
rcui
t
A1
A2
t3
t4
11
12
Br
ow
n
Br
ow
n
3
2
1
E E
Ci
rc
u
it
VF
Enable
N
L
N
L
3 Ph Supply
415V 50Hz
L
E
N
V
U
W
4
3Ph Supply
To Fan
TERMINAL RAIL
Br
ow
n
G
ree
n/
Ye
llow
3
98
97
Contactor
6
2
4
E
L
415V 50HZ 3 Pha SUPPLY
MAINS ON LAMP
TO FAN
tU
tW
tV
Blue
N
t4
t3
Fa
n Tri
p
Ci
rc
u
it
3
2
1
E E
3
1
2
Blac
k
Grey
L
L
2
1
Bro
w
n
Bro
w
n
95
A2
14
FAN HEALTHY
t1
t2
96
A1
13
L L
3
2
1
1
L
L
3
2
1
Summary of Contents for NRV12LR
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