VALLOX DIGIT2 SE/VKL/MLV
© VALLOX • We reserve the right to make changes without prior notification.
INTERNAL ELECTRICAL DIAGRAM
7
Internal electrical connection VALLOX DIGIT2 SE
S
= Supply air fan
E
= Extract air fan
M = Autotransformer
with protective voltage coil
K
= Capacitor
H = Interference suppressor
L
= Earthed wire
SS = 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
PM
DAMPER MOTOR
CONNECTION
3R = R model
3L = L model
3
pu/s
CONNECTION BOX (inside the unit)
4
5
m
CONNECTION BOX
(on top of the unit)
m
ke
s pu
m
vio
ha
r
va
ro
vi
H
ha/ro
6
7
6
va/vi
va/ke
ke/r
r/vi
7
5
1
2
s
r
s
r
MOTHERBOARD
1 FREEZING PROTECTION (EXHAUST AIR)
2 SUPPL
Y AIR TO THE DWELLING
3 OUTDOOR AIR TO THE UNIT
4 EXTRACT AIR FROM THE DWELLING
FA
UL
T SIGNAL
FA
UL
T SIGNAL
FIREPLACE SWITCH REMOTE MONITORING
PRESSURE SWITCH
NTC SENSORS
FUSE
FIREPLACE
SWITCH
FAULT
SIGNAL
REMOTE
MONITORING
0-10 VDC or 0-20 mA
RHS-485 BUS
Water radiator
actuator (VKL
models)
Post-heating
electric radiator
Electric preheating
radiator
A FAN CONTROL
WITH VOLTAGE/CURRENT SIGNAL
SELECTION WITH JUMPER A
USE OF JUMPER IN VOLTAGE
SIGNAL CONTROL
(FACTORY SETTING)
USE OF JUMPER IN CURRENT
SIGNAL CONTROL
S
E