
page no. 26 of 48
L
NVx Range Users, Installation & Servicing Instructions Doc Ref M104 issue 1.0 Sep 2018.
* when used
F - Free Blowing Unit
CCF - Centrifugal Unit
Model
Running
Current (A)
Fuse/MCB Rating (A)
Running
Current (A)
Fuse/MCB Rating (A)
(motor rated Protection Device)
LNVx15
0.4
3 / 6
2.0
3 / 6
LNVx20
0.45
3 / 6
3.1
6 / 6
LNVx25
0.6
3 / 6
4.2
6 / 6
LNVx35
1.1
3 / 6
N/A
N/A
LNVx40
0.85
3 / 6
5.8
10 / 10
LNVx45
1.53
3 / 6
7.6
10 / 10
LNVx50
1.6
3 / 6
7.6
10 / 10
LNVx60
2.3
3 / 6
10.0
(4.8)
13 / 13
(6 / 6)
LNVx70
2.2
3 / 6
11.0
(5.3)
13 / 13
(10 / 10)
LNVx90
3.1
5 / 6
17.0
(4.6)
20 / 20
(10 / 10)
LNVx120
4.4
5 / 6
20.0
(4.9)
25 / 32
(10 / 10)
LNVx140
4.5
5 / 6
20.0
(5.0)
25 / 32
(10 / 10)
The wiring terminals are located on the electrical panel
behind the side door of the heater which firstly has to be
opened.
Mains input 230V 50Hz 1Ph supply connections are via
a separate LNE terminal block. For input power refer to
table below. Control circuitry / external control mains
connections are via a numbered terminal strip. These
being:
*M
odu
la
tin
g s
ig
na
l
0-1
0V
dc
*M
odu
la
tin
g s
ig
na
l
0Vd
c
Lo
ck
ou
t R
es
et
(S
w
itc
he
d Ne
ut
ra
l)
Lo
ck
ou
t In
di
cat
io
n
23
0V
Out
put
2
30V
*H
ig
h F
ire
Cir
cu
it
In
put
2
30V
Fa
n O
nly S
ig
na
l
23
0V
23
0V
M
ai
ns
O
ut
put
H
eat
O
n S
ig
na
l
23
0V
Li
ve
O
ut
put
23
0V Su
pp
ly
fo
r C
ont
ro
lle
r Ne
ut
ra
l
Ear
th
t1
t3
t4
t5
t6
t7
t8
t9
t10
t11
t2
t
L
E
N
3
4
5
6
7
8
2
1
1
1
9
1
0
N
L
E
N
230v Supply
for Controller
L
Modulating (-)
Modulating (+) 0-10v
Lockout Reset
!
Lockout Indication
- N.O. Thermostat or Relay
- 230v in. ( Delay on, Delay Off)
- Accessory Terminal. 4A Fuse Protected
- 230v in. Not used on modulating heaters
High Fire
Call for Fan Only
230v Out
Call for Heat
MAINS SUPPLY
230V AC 50HZ
- Momentary switch to neutral
- 230v out