Connection Diagram - Danfoss AK-PC 781A User Manual

Signal
Compressor 1 Gen. Safety
Compressor 2 Gen. Safety
Compressor 3 Gen. Safety
Compressor 4 Gen. Safety
Start/stop heat recovery hr
All compressors common safety
Flow switch FStw
Flow switch FShr
Signal Module
Temp. gas cooler outlet Sgc
Temp. by-pased gas Shp
Start/stop heat recovery tw
Gas cooler pressure Pgc
Speed control, compressor
Speed control, gas cooler fan
Speed control, pump - tw
Speed control, pump - hr
11

Connection diagram

Drawings of the individual modules may be
ordered from Danfoss.
Format = dwg and dxf.
You may then yourself write the module
number in the circle and draw the individual
connections.
38
Module Point Terminal
1 (DI 1) 1 - 2
2 (DI 2) 3 - 4
3 (DI 3) 5 - 6
4 (DI 4) 7 - 8
4
5 (DI 5) 9 - 10
6 (DI 6) 11 - 12
7 (DI 7) 13 - 14
8 (DI 8) 15 - 16
Point Terminal
1 (AI 1) 1 - 2
2 (AI 2) 3 - 4
3 (AI 3) 5 - 6
4 (AI 4) 7 - 8
5
5 (AO 1) 9 - 10
6 (AO 2) 11 - 12
7 (AO 3) 13 - 14
8 (AO 4) 15 - 16
Capacity controller RS8HE202 © Danfoss 2017-07
Active at
Open
Open
Open
Open
Closed
Open
Open
Open
Signal type
Pt 1000
Pt 1000
Closed
AKS 2050-159
0 - 10 V
0 - 10 V
0 - 10 V
0 - 10 V
The supply voltage for the pressure
transmitter should be taken from
the same module that receives the
pressure signal.
AK-PC 781A