DIVK-C330 DEMA
CIRCUIT DIAGRAM
T1
T2
T3
T4
T5
T6
OUTDOOR
SUPPLY
EXTR. WASTE WATER
PRE-
HEATER
POST-
HEATER
230
VA
C
L
N
PE
FU
SE
+24
0
0-10
CO2/%RH1
+24
0
0-10
CO2/%RH2
OVER-
PRESSURE/
EXTENDED
TIME
BOOSTING
0-10
OUT-OF-
HOUSE/
REMOTE
+24
0
0-10
COOLING
+24
0
WATER
RADIATOR
FILTER
+24
0
S
U
M
M
E
R
B
Y
P
A
S
S
WIN
-
TE
R
YH
T
SU
M-
ME
R
A
L
A
R
M
NC
YH
T
NO
R
EX
TR
AC
T S
UP
PLY
0-1
0
0-1
0
0
0
SU
PP
LY
/ E
XTR
AC
T
N
N
U
U
A1
A2
L1
L2
L3
13
N
14
T1
T2
T3
L
2
L
1
N
N
TRIAC
POST-
HEATING
TRIAC
PREA-
HEATING.
E
J
C
O
M
N
C
C
O
M
N
C
P
R
E
A
-
H
E
A
T
IN
G
50c
90c
2
0
0
0
W
P
O
S
T
-
H
E
A
T
IN
G
50c
90c
2
0
0
0
W
N
O
O
1
-
2
+
3
+
Belimo LM 24
Syöttö 230/400v 2x16A
N
4x2,5
M
O
D
B
U
S
A/D+
B/D-
0
O O O
O O O
O O O
ON OFF BIAS B
ON OFF Term
ON OFF BIAS A
EXTRACT
FAN
SUPPLY
FAN
DOOR
SWITCH
SUMMER
BYPASS
Control board
ECU_M
Operator
panel
TEMPERATURE SENSORS
6
DIVK-C330 DEMA VKL
T1
T2
T3
T4
T5
T6
OUT-
DOOR
SUP-
PLY
EXTR.
EX-
HAUST
WATER
PRE-
HEATER
POST-
HEATER
23
0V
AC
L
N
PE
FU
SE
TEMPERATURE SENSOR
+24
0
0-10
CO2/%RH1
+24
0
0-10
CO2/%RH2
0-10
+24
0
0-10 +24
0
+24
0
S
U
M
M
E
R
B
Y
P
A
S
S
WIN
-
TE
R
YH
T
SU
M-
ME
R
A
L
A
R
M
NC
YH
T
NO
R
EX
TR
AC
T
SU
PP
LY
0-1
0
0-1
0
0
0
SU
PP
LY
/ E
XT
RA
CT
N
N
U
U
A1
A2
L1
L2
L3
13
N
14
T1
T2
T3
L
2
L
1
N
N
E
J
C
O
M
N
C
C
O
M
N
C
50c
90c
2
0
0
0
W
N
O
1
-
2
+
3
+
Belimo LM 24
SUPPLY
FAN
EXTRACT
FAN
2 1 3
Syöttö 230v 16A
N
3x2,5
M
O
D
B
U
S
A/D+
B/D-
0
O O O
O O O
O O O
ON OFF BIAS B
ON OFF Term
ON OFF BIAS A
CIRCUIT DIAGRAM
P
R
E
-
H
E
A
T
IN
G
TRIAC
PRE-
HEATING.
Operator
panel
WATER
HEATER
ACTUATOR
LCR24A-SZ
SUMMER
BYPASS
DOOR
SWITCH
P
D
2
P
D
2
P
D
1
P
D
1
PD1
supply
1 2
PD2
extract
1 2
P
D
2
P
D
2
P
D
1
P
D
1
PD1
supply
1 2
PD2
extract
1 2
Control board
ECU_M
DISTRIBUTION
BOARD
DISTRIBUTION
BOARD
OVER-
PRESSURE/
EXTENDED
TIME
BOOSTING
OUT-OF-
HOUSE/
REMOTE
FILTER
COOLING
WATER
RADIATOR