41
KaCool D AF –
Comfortable feeling of well-being, thanks to AtmosFeel
3.25
Chilled water air conditioning system
Installation and operating instructions
Electrical cabling – BMS control, max. 2 units
*) Lay shielded cables e.g. B. J-Y(St)Y, 0.8 mm separately from power cables.
W1: Power supply
W2: Fan speed signal 0-10 V DC, Ri = 100 kOhm, max. line length 10 m from the BMS system to the 2nd unit
W3: Valve control
W4: Condensation alarm message
The number of connecting wires required including fuses is given on the individual control units.
Electrical supply: Observe the technical connection requirements laid down by utility companies!
2
W4
2
W4
N
H/
K
2
3
H
1
PE
4
N
H/
K
2
3
H
1
PE
4
N
H/
K
2
3
H
1
PE
4
4
W3
4
W3
4
W3
3
W1
3
W1
3
W1
1
2
1
2
1
2
3
W1
3
W1
3
W1
3
W1
2
W4
2
W4
2
W4
2
W4
2
W4
2
W4
4
W3
4
W3
4
W3
4
W3
4
W3
4
W3
3
W1
3
W1
2
W4
2
W4
4
W3
4
W3
2*
W2
2*
W2
2*
W2
2*
W2
GN
D
1
2
0-
10V
GN
D
1
2
0-
10V
GN
D
1
2
0-
10V
GN
D
1
2
0-
10V
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
1
2
3
1
2
3
1
2
3
1
2
3
E2
1
2
E2
1
2
valve OUT
valve OUT
10
9
10
9
10
9
valve OUT
10
9
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
1
2
3
1
2
3
E2
1
2
valve OUT
10
9
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
1
2
3
1
2
3
1
2
3
1
2
3
E2
1
2
E2
1
2
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
1
2
3
1
2
3
E2
1
2
valve OUT
valve OUT
10
9
10
9
10
9
valve OUT
10
9
E1
6
5
PE
L
N
9
8
7
4
10
1
2
Ri
1
2
3
1
2
3
E2
1
2
valve OUT
10
9
Mains power
230 V AC/50 Hz
Fuse by others
max. 16 A
KaCool D AF
EC fan
Unit 1
230 V AC/50 Hz
Continuously variable
KaCool D AF
EC fan
Unit 2
230 V AC/50 Hz
Continuously variable
4-pipe: H
4-pipe: H
2-pipe: H/C
4-pipe:
2-pipe: H/C
4-pipe:
Condensation alarm
OUT alarm
Condensation alarm
OUT alarm
max.
24 V AC/2 A
max.
24 V AC/2 A
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
230 V /
50 Hz
Speed signal
0-10 V DC
0 V = OFF
1.5 - 10 V = ON
Valve control
2-pipe (H/C) or
4-pipe (H/C and H)
230 V/50 Hz
Condensation
alarm
max.
24 V AC/2 A
Automation station
Summary of Contents for KaCool D AF
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