Subject to changes in line with technical progress.
9
3061955
Product description
1.5.4 Schematic with one exhaust air device and feed option (example)
M
I
D
P
K
P
P
T
AL-KO -
HYDRO-OPT
T
1
2
3
5
6
9
7
8
7
10
11
T
11
11
12
14
15
13
4
Mains supply 400 V/50 Hz 20 A
Input for ext. release
HRO demand (0–10 V)
Heat-up mode demand (disconnect all exhaust air exchangers)
Operating feedback message (digital out)
Error alarm A
Error alarm B
OPTIONAL bus connection
1
Switch cabinet
9
Expansion tank installation on the intake side
2
Frequency converter
10
Flowmeter
3
Dirt trap
11
Temperature sensor
4
Power control valve
12
Frost valve
5
Safety valve 6 bar
13
Eff. pressure fan differential pressure sensor
6
Filling connection
14
Plate heat exchanger, heat feed
7
Pressure gauge
15
Plate heat exchanger, cold feed
8
Pressure monitor
