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DIVK-290 DEMA
POST-
HEATER
Control board
CONTROL
PANEL
ECU
CO2/%RH1
TEMPERATURE SENSORS
+24
0
T1
T2
T4
T5
T6
T3
OUT-
SUP-
EX-
EX-
WA-
DOOR
PLY
TRACT
HAUST
TER
G+
G0 OUT1
CO2-sensor
Humidity
sensor
Triac
R
POST-
PRE-
HEATER
HEATER
OVERPRESSURE/
OUT-OF HOUSE/
TEHOSTUS
CO2/%RH2
EXTENDED TIME
FILTER
REMOTE
0-10
+24
0
0-10
+24
Accessories
7
EXTRACT
SUPPLY
FAN
FAN
K
S
S
3
N
2 1
3
N
2 1
2 1
3
N
2 1
3
N
S
S
K
S
K
S
K
0
A/D+
B/D-
O O O
ON OFF BIAS B
O O O
ON OFF Term
O O O
ON OFF BIAS A
COOLING
WATER RADIATOR
+24
0
0
0-10
+24
0
0-10
K
SWITCH
K
ON-OFF
1A
4B
5B
2A
Electrical
enclosure of
the unit
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