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Figure 29: Connections for application 1
1
2
3
7
8
9
10 11 12
13 14
15 16 17
L
N
40
0 – 10 V/ PWM
S3
S4
S5
AI5
DI1
1
41 42
43 44 45 46 47 48 49 50
83 84
B- A+
85
DI2
AO1
60 61 70 71
Comp.
115 – 230 V AC
Alarm
MODBUS
Fan
Defrost
Danf
oss
84B3257
Figure 30: Connections for application 2
115 – 230 V AC
Comp.
Light
Fan
Defrost
1
2
3
7
8
9
10 11 12
13 14
15 16 17
L
N
40
0 – 10 V/ PWM
S3
S4
S5
AI5
DI1
2
41 42
43 44 45 46 47 48 49 50
83 84
B- A+
MODBUS
85
DI2
AO1
60 61 70 71
Danf
oss
84B3258
Figure 31: Connections for application 3
115 – 230 V AC
Comp.
Railheat
Fan
Defrost
1
2
3
7
8
9
10 11 12
13 14
15 16 17
L
N
40
0 – 10 V/ PWM
S3
S4
S5
AI5
DI1
3
41 42
43 44 45 46 47 48 49 50
83 84
B- A+
MODBUS
85
DI2
AO1
60 61 70 71
Danf
oss
84B3259
AK-CC55 Compact
© Danfoss | Climate Solutions | 2022.08
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