Ambirad NRV12LR, Installation Instructions Manual, Page: 18 / 28

18
THE
LO
CA
L RE
LA
Y
UN
IT
h
ouses
an
inver
ter.
T
his
conv
erts
the
230V
si
ngle-p
hase
inpu
t
int
o
a
three-
p
h
ase
230V
out
put.
The
inv
erte
r
pro
vid
es
a
soft s
tart to the
motor,
which
e
x
tend
s
the
m
ot
or
li
fe
by m
inim
is
ing t
he s
tart
cu
rr
ent
.
In
ver
ter
L
o
cal Rela
y
Unit
S
u
p
p
ly
vi
a Is
ol
ato
r
230V
5
0Hz 1 Ph
a
S
U
PPL
Y
VIA
IS
O
L
ATOR
E
L
ECT
R
IC
AL IN
PUT
23
0V 1
P
22
A
23
0V 1
P
22
A
2
3
0
V
1P
30A
FAN TYPE
B8
0
B
160
B
300
L
L
NN
U
V
W1
34
2
D
ra
w
in
g N
o
. :
90
02
87
R
5
L
O
M
Ex
hau
st
Fan
4
-Co
re
Ar
mo
ur
ed
o
r
Sc
reen
ed C
able
1.5
m
m
²
FAN MO
T
OR
230V
3-P
hase
S
uppl
y.
Mot
or m
ust
be
wir
ed
DE
LT
A
3 Pha
se
Is
o
lato
r
MPOR
TAN
T
F
o
r Inve
rt
e
r p
a
nels on
ly
(fan ty
pes
B8
0 / B
160 & B300):
MA
XIM
U
M
len
g
th of c
a
bl
e between
inver
ter
and fa
n is
5m (EM
C
class
A
b
u
ildi
ng) o
r
10
m (EM
C
c
las
s B bui
lding
).
N
.B
.
if in do
ubt, do
not e
xceed 5m.
(HEAT 1 OUTPUT)
(COMMO N)
(REMOTE O N)
(REM OTE OFF)
(LIVE)
(NEUTR AL)
NO
T
E
S
:
REM
O
T
E
SE
NS
O
R
(s
)
ma
y b
e
pl
ac
e
d
a
t a
m
a
x
d
is
ta
n
c
e
of
100m
fr
om
th
e c
o
ntr
o
l u
n
it,
us
ing
s
c
ree
ne
d 6
A
ma
in
s
*
ca
ble
.
W
ir
in
g s
h
oul
d b
e
ke
pt
s
ep
ar
ate
fr
om
m
a
in
s
w
ir
ing
to mi
nim
is
e
no
is
e
pi
c
k
up
. S
e
t wi
thi
n
E
n
gin
e
e
rs
fu
nc
ti
on
s
fo
r r
e
mo
te
s
e
ns
or
.
*T
h
e p
ow
er
s
upp
ly
is
no
n-
is
ol
at
e
d,
th
er
ef
o
re al
l w
ir
ing
t
o th
e co
nt
ro
l mu
st
b
e
m
a
in
s
ra
ted.
Low
Vo
lta
ge
+1
5V DC
B
la
ck B
u
lb
Se
ns
or
(F AN CIRCUIT)
(F AN CIRCUIT)
Bu
rn
er
s
Zone A
Vol
t
Fre
e
No
te
:
Connec
tion
to
t
he
burne
rs M
U
S
T
be m
ade
via
a
3A
fus
ed s
pur.
BM
S
230V VBur ner O N Sig na l
Circ uit
Volt Fr ee Rem ote ON
THE SOFTWAR
E
FOR TH
E
BMS MUST
ONLY REQUEST A
LOCKO
U
T
CONDITION WHEN THE SYST
EM IS
REQU
E
S
TI
NG
HEAT. I
N
ADDITI
ON,
IT SHOULD
ALSO PR
OVI
D
E A
60s
DELAY B
E
FORE
INDI
CATING
LO
CKO
U
T.
T
H
IS
IS
TO
ALLO
W
THE S
O
LE
NOI
D
CO
IL
TO
O
PERATE
AF
TER
IN
IT
IAL SU
P
P
L
Y
IS CO
N
N
ECTED
TO THE HEATER,
WHEN
CALLING FOR THE HEAT VI
A
THE
CONT
ROL SYSTEM AND A
R
E
-ST
A
R
T
A
T
TEMPT I
F
NEC
C
ESARY.
Not
e
:
If
the
point
is not
compli
ed wi
th
the BMS
will
receiv
e
a
false
re
port of
t
he
bur
ner s
tatu
s
.
Circuit Bur ner # 1
Vo lt Fr ee Burne r Lockou t
Vo lt Fr ee Fan Trip C irc uit
Circuit Bur ner # 2
Vo lt Fr ee Burne r Lockou t
Circuit Bur ner # 3
Vo lt Fr ee Burne r Lockou t
!
!
FUS
E R
A
TI
NG
!
41
40
95
1/L
2/
N
10
6
B1
B0
B2
S/R
0S/R
1
C
SmartCom
Singlezon
e
NEUT
LI
V
E
Figure 4.p. NRV Schematic interconnecting wiring. B80, B160 and B300 three phase fans
controlled by SmartCom3 via Inverter panel. Individual BMS burner Lockout and VF interface.