Danfoss AK-CC55 Manuale di installazione - Pagina 6

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Danfoss AK-CC55 Manuale di installazione
Connections
40 41 42
43 44
45 46
5V
s
AI2
AI3
A1
DO1
115 - 230V AC
L
N
1
2
3
7
Overview of outputs and applications
Application
DO1
DO2
1
2
3
•
4
5
6
7
8
•
9
See also wiring diagrams earlier in the Installation Guide.
•
= Optional
•
1) Custom set-up of relays
AI1
Pressure transmitter
AKS 32R
Connect to terminal 40, 41 and 42.
(Use cable 060G1034: Black=40, Brown=41, Blue=42)
The signal from one pressure transmitter can be received by up to
10 controllers. But only if there are no significant pressure drops
between the evaporators to be controlled. See drawing on page 5.
AI2 - AI5
Primarily for temperature inputs
S2
Pt 1000 ohm sensor AKS11, placed at the evaporator outlet
S3, S4, S5
Pt 1000 AKS11, PTC 1000 EKS111, NTC5K EKS211 or NTC10K
EKS221 sensor. All have to be of the same type.
S3, air sensor, placed in the warm air before the evaporator
S4, discharge air sensor, placed in the cold air after the evaporator
(the need for either S3 or S4 can be selected in the configuration)
S5, defrost sensor, placed in the evaporator
(If the Di1 input is used for a temperature measurement, it will
appear as AI5.)
6 | AN300028324304en-000401
47 48
49 50
AI4
AI5
DI1
DO2
8
9
10 11 12
!
DO3
DO4
•
•
1)
1)
1)
•
•
1)
1)
1)
60 61
70 71
DI2
AO1
PWM
DO3
DO4
13 14
16
17
15
AO1 AI1 AI2 AI3 AI4
•
S3
S4
S5
•
S3
S4
S5
•
S3
S4
S5
•
S3
S4
S5
•
Pe
S2
S3
S4
•
Pe
S2
S3
S4
•
Pe
S2
S3
S4
•
Pe
S2
S3
S4
•
Pe
S2
S3
S4
DI1
Digital input signal.
The defined function is active when the input is short-circuited or
opened, depending on the function defined in o02.
DI2
Digital input signal.
The defined function is active when the input is short-circuited or
opened, depending on the function defined in o37.
AO1
Analogue output signal
Analogue 0-10 V (currently not used)
Pulse width modulated signal
Can be used for fast control of rail heat via an external power
solid state relay.
MODBUS
For data communication.
Terminal 83 = B-
Terminal 84 = A+
Terminal 85 = screen
It is important that the installation of the data communication
cable is performed correctly.
See separate literature no. RC8AC902
83 84 85
B
A
MODBUS
! Max. 0.5 A
AI5/
DI2
DI1
• •
• •
• •
• •
•
S5
•
S5
•
S5
•
S5
•
S5
© Danfoss | DCS (vt) | 2019.10