45
© Airflow • We reserve the right to make changes without prior notice
DV50 DV80
(Integral CO
2
Sensor)
TECHNICAL
SPECIFICA
TIONS
INTERNAL ELECTRICAL CONNECTION
TK
NTC
GND
P
T
W
T
2
3
1
YE
G
N
YE
G
N
BN
BU
BN
BU
YE
G
N
YE GN
D/I2
703070
0
JS
RH% CO
2
S/E
BN
BU
BN
BK
R2
L
N
L
N
L
N
L
N
1 2 3 4 5 6
90
°C
TESTER
M
130
°C
T1 T2
R1
D/I1
BN
YE
G
N
BU
YE
G
N
W
T
YE GN
+11V1
MB_B
MB_A MB_A
MB_B
+24V
RS_A
RS_B
GND
AN/I
GND
+24V
RS_A
RS_B
GND
RM/I
RM/O
+24V
+24V
+24V
RS_A
+24V
RS_A
RS_B
GND
RS_B
GND
YE
G
N
90
°C
130
°C
T1 T2
BU
BN
YE
G
N
BU
AHS
230 V 50 Hz
1. Extract fan tacho (WT)
2. GND (GN)
3. Extract fan PWM (YE)
4. Supply fan tacho (WT)
5. GND (GN)
6. Supply fan PWM (YE)
1. Extract air
2. Outdoor air
3. Supply air
4. Exhaust air
5. Supply air from the cell
LAN
MB_A
External Modbus A signal
MB_B
External Modbus B signal
+24V
+24 V direct current voltage (DC)
GND
Digital and analog ground potential
RS_A
Local hardware Modbus A signal
RS_B
Local hardware Modbus B signal
NTC
External temperature sensor connector
D/I1
Digital input 1
D/I2
Digital input 2
11V1
11.1 V operating voltage
AN/I
Analog input 0-10 VDC
RM/I
24 V relay input
RM/O
24 V relay output
T
Supply air fan
P
Extract air fan
M
Damper actuator CM230-R
TK
Safety switch
AHS
Post-heating control
S/E
Fan balance adjustment
RH% CO
2
Internal humidity and dioxide
carbon sensor
R1
Optional post-heater with 90°C
and 130°C overheating protection
R2
Optional additional heater radiator
with 90°C and 130°C overheating
protection
BK
Black
BU
Blue
BN
Brown
WT
White
GY
Grey
YE
Yellow
YEGN
Yellow-
green
CABLE COLOURS