VALLOX DIGIT2 SE/VKL/MLV
© VALLOX • We reserve the right to make changes without prior notification.
INTERNAL ELECTRICAL DIAGRAM
8
H
TK
U1
U3
L2
N4
3
pu/s
FAULT SIGNAL
L
NC
Post-heating electric
radiator
40°C
CONNECTION BOX (inside the unit)
ke-vi
80°C
4
80°C
R1
T1
5
m
3R
CONNECTION BOX (on top of the unit)
+
S
GND
m
-
FREEZING PROTECTION (EXHAUST AIR)
SUPPL
Y AIR TO DWELLING
OUTDOOR AIR TO UNIT
EXTRACT AIR FROM DWELLING
+ A B PWM1 PWM2 S
PRESSURE SWITCH
S RH2
T2
S RH1 L N NO
2
N
230 V 180 V 160 V
RH1
L
NO
140 V 120 V 100 V 80 V 60 V
30°C
55°C
M
3L
RH2
55°C
N
1
3
4
5
A
6
L
2
7
S + S
ke
s
L1
R2
A
-
+
+
pu
N
T1
T2
L N
+ S
2
1
S GND
m
M
B
vio
ha
r
va
ro
vi
N
L2
Water radiator
actuator (VKL
models)
V
H
RS-485 BUS
PM
P1
P2
8
9
NC
NTC SENSORS
MOTHER CARD
FUSE T800mA
FAUL
T SIGNAL
FAUL
T SIGNAL
FIREPLACE SWITCH REMOTE MONITORING
1
10
2
3
4
5
6
7
8
9
1
10
16x0.25mm2
1 2
A
2
3
4
REMOTE MONITORING
0-10 V DC or 0-20 mA
ha/ro
L
6
7
FIREPLACE SWITCH
6
va/vi
va/ke
R
ke/r
r/vi
7
5
7018800
2
1
N
K
K
1
2
r
s
m
r
2 N 1
2 N 1
8 x 1s
1
ha
r
ha
r
VALLOX DIGIT2 SE
Damper motor connection
3R = R model
3L = L model
E
S
m
s
ke-vi
S Supply air fan
E Extract air fan
M Autotransformer with
protective voltage coil
K Capacitor
H Interference suppressor
L Earthed cord
TK Safety switch
V Water radiator actuator/valve
T1 Safety thermostat of heating radiator
T2 Overheating protector 2 pcs
R1 Post-heating radiator
R2 Preheating radiator
PM Damper motor 21 V DC
P1 Filter guard, option (supply)
P2 Filter guard, option (extract)
Wire colours
s = blue
m = black
r = brown
vi = green
ke = yellow
pu = red
ro = rose
va = white
ha = grey
vio = violet
CONTROL VOLTAGE OF FANS / CURRENT
SIGNAL SELECTION WITH JUMPER A
Electric preheating
radiator
USE OF JUMPER IN VOLTAGE SIGNAL
CONTROL (FACTORY SETTING)
USE OF JUMPER IN CURRENT SIGNAL
CONTROL
