Table of Contents
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1. Controller
Type
Function
Controller for capacity control of compressors and condensers
AK-PC 783
8 compressors with up to 3 unloaders, 8 fans, max. 120 inputs/outputs
2. Extension modules and survey of inputs and outputs
Type
Analog
inputs
For sensors, pres-
sure transmitters
etc.
Controller
11
Extension modules
AK-XM 101A
8
AK-XM 102A
AK-XM 102B
AK-XM 103A
4
AK-XM 204A
AK-XM 204B
AK-XM 205A
8
AK-XM 205B
8
AK-XM 208C
8
The following extension module can be placed on the PC board in the controller module.
There is only room for one module.
AK-OB 110
3. AK operation and accessories
Type
Function
Operation
AK-ST 500
Software for operation of AK controllers
-
Cable between PC and AK controller
Cable between zero modem cable and AK controller /
-
Cable between PDA cable and AK controller
-
Cable between PC and AK controller
Accessories
Power supply module 230 V / 115 V to 24 V d.c.
AK-PS 075
18 VA
AK-PS 150
36 VA
AK-PS 250
60 VA
Accessories
External display that can be connected to the controller module. For showing, say, the suction pressure
EKA 163B
Display
EKA 164B
Display with operation buttons
AK-MMI
Graphic display with operation buttons
Cable between display and controller
-
Cable between graphic display and controller
Accessories
Real time clock for use in controllers that require a clock function, but are not wired with data communication.
AK-OB 101A
Real time clock with battery backup.
Accessories
Communication modules for controllers where modules cannot be connected continuously
AK-CM 102
Communication module
On the following pages there is data specific to each module.
AK-PC 783
On/Off outputs
Relay
Solid state
(SPDT)
4
4
8
8
8
8
Capacity controller RS8GN202 © Danfoss 11-2013
On/off supply voltage
Analog
(DI signal)
outputs
Low voltage
High voltage
0-10 V d.c.
(max. 80 V)
(max. 260 V)
-
-
8
8
Application
Compressor MT and LT/ Condenser MT/Cascade.
Oil management / Heat recovery.
Stepper
Module with
output
switches
For valves
For override of
with step
relay outputs
control
-
4
4
2
Application
AK-operation
AK - Com port
AK - RS 232
AK - USB
Supply for controller
Length = 2 m, 6 m
Length = 0.8, 1.5 m, 3.0 m
To be mounted in an AK controller
Data communication for external extension
modules
-
x
x
9
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