38
.
3.25
KaCool D AF –
Comfortable feeling of well-being, thanks to AtmosFeel
Chilled water air conditioning system
Installation and operating instructions
*) Lay shielded cables 0.5 mm
2
e.g. J-Y(ST)Y, 2 x 2 x 0.8 mm, max. 50 m, separately from power cables!
W1: Power supply
W2: Voltage supply, fan speed control, valve control; only 8 wires with 2-pipe systems – wire 10 is omitted
W3: Condensation alarm message to external control
W4: Voltage supply, fan speed control, valve control; only 9 wires with 2-pipe systems – wire 10 is omitted
W5: Insert wire jumpers on site or route wire 4 to the on-site intermediate junction box
W6: Low voltage signal
W7: Low voltage signal; a wire jumper needs to be inserted if the input is not used
W8: Insert on-site wire jumper
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!
9
W2
9
W2
9
W2
1
2
L
N
PE
3
3
W1
3
W1
15
14
2
13
12
1
17
16
1
2
18
2
19
1
15
14
2
13
12
1
17
16
1
2
18
2
19
1
1
2
1
2
2*
W6
2*
W6
2*
W6
2*
W6
1
2
1
2
2*
W7
2*
W7
2
W3
2
W3
10
W4
10
W4
10
W4
2
W3
10
W4
4
3
10
9
11
8
2
1
7
10
6
5
1
5
7
2
8
9
6
W8
4
3
10
9
11
8
2
1
7
10
6
5
1
5
7
2
8
9
6
W8
4
3
10
9
11
8
2
1
7
6
5
1
5
7
2
8
9
6
W8
4
3
10
9
11
8
2
1
7
6
5
1
5
7
2
8
9
6
W8
2
1
1
2
2
1
1
2
2
1
1
2
2
1
1
2
E2
1
2
E2
1
2
E1
6
5
6
7
PE
L
N
9
8
7
4
10
4
5
1
2
3
8
9
10
E1
6
5
6
7
PE
L
N
9
8
7
4
10
4
5
1
2
3
8
9
10
E2
1
2
E1
6
5
6
7
PE
L
N
9
8
7
4
10
4
5
1
2
3
8
9
10
va
lve
OU
T
va
lve
OU
T
10
9
10
9
10
9
W5
W5
E2
1
2
E1
6
5
6
7
PE
L
N
9
8
7
4
10
4
5
1
2
3
8
9
10
va
lve
OU
T
10
9
W5
Mains power
230 V AC
Fuse by others
max. 16 A
KaCool D AF
2/4-pipe
AC fan
230 V AC/50 Hz 3-stage 230 V
4-pipe
2-pipe
Exter
nal message
Condensation
alarm
max. 24 V AC/2 A
Room sensor
Type 148921
optional
Clip-on sensor T
ype 148922 or pot.-fr
ee
contact
for H/C changeover with 2-pipe systems The sensor can only
be used in
conjunction with
a 3-way valve
Pot.-fr
ee contact
for changeover in
ECO mode or
ON/OFF optional
Room thermostat with
3-stage switch 2/4-pipe
Type 148916
230 V AC/50 Hz
230 V/
50 Hz
4-pipe: H
2-pipe: H/C
4-pipe: C
Condensation alarm
OUT alarm
max.
24 V AC/2 A
230 V/
50 Hz
Содержание KaCool D AF
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