AK-CH
650
Capacity
controller RS8ER302 © Danfoss 2016-02
63
5. Configuration of Analog
outputs
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6. Configuration of Analog
Input signals
Configuration - continued
Function
Output
Module Point Type
Speed control of compres-
sor
AO1
1
24
0-10 V
We set up the analog outputs for control of the compressor speed.
We set up the analog inputs for the sensors.
5 - Analog outputs
The possible signals are the
following:
0 -10 V
2 – 10 V
0 -5 V
1 – 5V
Select for:
• Speed control comp.
• Speed control fans.
• Show cutin compressor
capacity
6 - Analog inputs
The possible signals are the
following:
Temperature sensors:
• Pt1000
• PTC 1000
Pressure transmitters:
• AKS 32, -1 – 6 bar
• AKS 32R, -1 – 6 Bar
• AKS 32, - 1 – 9 Bar
• AKS 32R, -1 – 9 Bar
• AKS 32, - 1 – 12 Bar
• AKS 32R, -1 – 12 Bar
• AKS 32, - 1 – 20 Bar
• AKS 32R, -1 – 20 Bar
• AKS 32, - 1 – 34 Bar
• AKS 32R, -1 – 34 Bar
• AKS 32, - 1 – 50 Bar
• AKS 32R, -1 – 50 Bar
• AKS 2050, -1 – 59 Bar
• AKS 2050, -1 – 99 Bar
• AKS 2050, -1 – 159 Bar
• User defined (only ratio-
metric, min. and max value
of the pressure range must
be set)
Voltage signals for refer-
ence displacement:
• 0 – 5 V,
• 0 -10 V
S4 Brine supply
S3 Brine return
P0 suction pressure
Ss suction gas
Sd disch gas
Pc cond. press.
S7 warm brine
Sc3 air on
Ext. Ref. Signal
Heat recovery
Saux 1 - 4
Paux 1 - 3
Voltage input 1 - 5
• 0 -5 V,
• 0 -10 V,
• 1 – 5 V,
• 2 – 10 V
Sensor
Input
Module Point
Type
Brine return temp. S3
AI1
1
1
Pt 1000
Brine supply temp. S4
AI2
1
2
Pt 1000
Thermostat sensor in plant
room - Saux1
AI5
1
5
Pt 1000
Outdoor temp. - Sc3
AI7
1
7
Pt 1000
Disch. gas temperature - Sd AI8
1
8
Pt 1000
Suction gas temperature
- Ss
AI9
1
9
Pt 1000
Suction pressure - Po
AI10
1
10
AKS32-12
Condenser pressure - Pc
AI11
1
11
AKS32-34
