English
pag. 39
Installation, Use and Maintenance Manual - HKFD1EC/C Series
4.2 Wiring diagram
SECTION 5 - START UP CONTROLS
Before starting the unit check the following:
• Anchorage of the unit to the ceiling.
• Connection of the air ducts.
• Connection of the earth cable.
• Fixing of all the electric terminals.
L =
line
a /
lin
e
N
=
ne
utro
/
ne
ut
ral
PE
=
te
rra
/
pr
otecti
ve ea
rth
""
"
POWER LINE: PROVIDE A PROPER SAFETY DEVICES EQUIPPED WITH DIFFERENTIAL MAGNETOTHERMAL SWITCH
Vm
re
d
GND b
la
ck
Vc
c wh
ite
Vs
p
y
e
llo
w
FG
b
lu
e
M1
Vm
re
d
GND b
la
ck
Vc
c wh
ite
Vs
p
y
e
llo
w
FG
b
lu
e
M2
R
u
n
n
in
g s
ig
nal
F
a
ul
t si
gna
l
A
T
R
A
T
T
E
G
G
IO
SO
N
O
R
A
PP
R
E
SE
N
T
AT
I I
C
O
LL
EG
A
M
E
N
T
I D
A
EF
FETTUA
R
S
I A
C
URA DEL
L
'INSTA
L
L
ATORE
/
D
A
SH
ED LI
N
E
S
S
H
O
W
T
H
E CO
N
N
ECT
IO
N
S T
O
B
E
C
A
R
R
IE
D
OUT BY
T
H
E
IN
ST
AL
L
E
R
ex
ha
us
t
fan
su
p
p
ly
fan
By
p
a
ss
E
lec
tric
al
h
e
a
ter
Hum
idi
ty
se
n
s
o
r
Di
al
swit
c
h
Pre
sso
st
a
to
d
iff
er
e
n
ziale
RA
P
robe
FR E
A
P
robe
OA
P
robe
SA
P
robe
CO2
Pr
o
b
e
Ma
x
spee
d
Low
s
p
e
e
d
M
edi
um
sp
e
e
d
$
TF1
PC
N1
CN1
PC
N7
PCB1
CN
40
4
CN
17
LN
LO
ME
HI
PCB2
CN
1
EEV
CN2
TB
2
TH
M
1
TH
M
2
TH
M
3
TH
M
4
TH
M
5
(BL
UE)
(R
ED
)
(BL
AC
K)
(O
RA
NG
E)
CN
3
CN
7
CN
8
Filt
er
Switc
h
PCN2
CN
14
R
L1
N1
AIR
IN
LE
T
PR
OB
E
AIR
OU
TL
ET
PRO
BE
LIQ
UID
PR
OBE
GA
S
PR
OBE
