Danfoss AK-CC 550 - Connections and Wiring; Input Signals and Sensors

32 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550
DI1
Digital input signal.
Thedenedfunctionisactivewhentheinputisshort-circuited/
opened.Thefunctionisdenedino02.
DI2
Digital input signal.
Thedenedfunctionisactivewhentheinputisshort-circuited/
opened.Thefunctionisdenedino37.
Pressure transmitter or temperature sensor S1
Pe / AKS 32R (pressure measurement recommended)
Connecttoterminal30,31and32.
Thesignalfromonepressuretransmittercanbereceivedbyup
to10controllers.Butonlyiftherearenosignicantpressure
decreasesbetweentheevaporatorstobecontrolled.
S1 (correct location is important to ensure correct measurements)
Pt1000ohmsensor
Connecttoterminal31and32.
S2
Pt1000ohmsensor
S3, S4, S5, S6
Pt1000ohmsensororPTC1000ohmsensor.Allhavetobeof
the same type.
S3, air sensor, placed in the warm air before the evaporator
S4, air sensor, placed in the cold air after the evaporator
(theneedforeitherS3orS4canbedeselectedinthe
conguration)
S5, defrost sensor, placed on the evaporator
S6, product sensor or defrost sensor B or air sensor B.
Thecongurationdetermineswhich.
EKA Display
Ifthereisbeexternalreading/operationofthecontroller,display
typeEKA163BorEKA164Bcanbeconnected.
RS485 (terminal 51, 52, 53)
Fordatacommunication,butonlyifadatacommunication
moduleisinsertedinthecontroller.ThemodulecanbeaLON
RS485oraMODBUS.
Terminal 51 = screen
Terminal52=A(A+)
Terminal53=B(B-)
(ForLONRS485andgatewaytypeAKA245thegatewaymustbe
version6.20orhigher.)
RJ45
Fordatacommunication,butonlyifaTCP/IPmoduleisinsertedin
thecontroller.(OEMspecic)
MODBUS
Fordatacommunication.
Terminal56=screen
Terminal57=A+
Terminal58=B-
(Alternativelytheterminalscanbeconnectedtoanexternal
displaytypeEKA163Aor164A,butthentheycannotbeused
for data communication. Any data communication must then be
carriedoutbyoneoftheothermethods.)
Supply voltage
230Va.c.
Connections
Version where sensor
connectionshaveplug
connections.
Overview of outputs and
applications.
See also electrical diagrams earlier
in the manual
Application DO1 DO2 DO3 DO4 DO5 DO6 DI1 DI2 DI3 AI1 AI2 AI3 AI4 AI5 AI6
1
• • •
P0/S1 S2 S3 S4 S5 S6
2
• • •
P0/S1 S2 S3 S4 S5 S6
3
• • •
P0/S1 S2 S3 S4 S5 S6
4
• • •
P0/S1 S2 S3 S4 S5 S6
5
• • •
P0/S1 S2 S3 S4 S5 S6
6
suction hotgas
• • •
P0/S1 S2 S3 S4 S5 S6
7
Blinds
• • •
P0/S1 S2 S3 S4 S5 S6
8
heat
• • •
P0/S1 S2 S3 S4 S5 S6
9
2 1
• • •
P0/S1 S2 S3 S4 S5 S5B
10
• • •
P0/S1 S2 S3 S4 S5 S3B