Danfoss AK-PC 781A User Manual

AK-PC 781A Capacity controller RS8HE202 © Danfoss 2017-07 75
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5. Configuration of Analog
outputs
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6. Configuration of Analog
Input signals
Configuration - continued
5 - Analog outputs
The possible signals are
the following:
0 -10 V
2 – 10 V
0 -5 V
1 – 5V
10 - 0 V
5 - 0 V
Stepper output
Stepper output 2
Stepper user defined: See
section "Miscellaneous"
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
• MBS 8250, -1 – 159 bar
• User defined (only
ratiometric, min. and max
value of the pressure
range must be set)
S4 Cold brine
Pctrl
Po suction pres.
Ss suction gas
Sd disch. temp.
Pc Cond. Pres.
S7 Warm brine
Sc3 air on
Ext. Ref. Signal
• 0 – 5 V,
• 0 -10 V
Olie receiver
HP control
Pgc
Prec
Sgc
Shp
Stw2,3,4,8
Shr2,3,4,8
HC 1-5
Heat recovery
Saux 1 - 4
Paux 1 - 3
Voltage input 1 - 5
• 0 -5 V,
• 0 -10 V,
• 1 – 5 V,
• 2 – 10 V
PI-in temp
PI-ref temp
PI- in voltage
PI-in pres.
PI-ref pres.
Function Output Module Point Type
Voltage signal for high pressure
valve, ICMTS
AO1 1 24 0-10 V
Stepper signal for by-pass valve,
CCMT
Step 1 3 9 CCMT
Speed control, compressor AO1 5 5 0 - 10 V
Speed control, gas cooler fan AO2 5 6 0 - 10 V
Speed control, pump - tw AO3 5 7 0 - 10 V
Speed control, pump - hr AO4 5 8 0 - 10 V
Sensor Input Module Point Type
Disch. gas temperature - Sd AI1 1 1 Pt 1000
Suction gas temperature - Ss AI2 1 2 Pt 1000
Outdoor temp. - Sc3 AI3 1 3 Pt 1000
Thermostat sensor in plant room -
Saux1
AI5 1 5 Pt 1000
Suction pressure - Po AI6 1 6 AKS 2050-59
Condenser pressure - Pc
AI7 1 7 AKS 2050-159
Refrigerant receiver, Prec-CO2 AI7 2 7 AKS 2050-159
Oil receiver, Prec-Oil AI8 2 8 AKS 2050-159
Tap water temperature - Stw2 AI1 3 1 Pt 1000
Tap water temperature - Stw3 AI2 3 2 Pt 1000
Tap water temperature - Stw4 AI3 3 3 Pt 1000
Tap water temperature - Stw8 AI4 3 4 Pt 1000
Heat reclaim temperature Shr2 AI5 3 5 Pt 1000
Heat reclaim temperature Shr3 AI6 3 6 Pt 1000
Heat reclaim temperature Shr4 AI7 3 7 Pt 1000
Heat reclaim temperature Shr8 AI8 3 8 Pt 1000
Temp. gas cooler outlet Sgc AI1 5 1 Pt 1000
Temp. by-pased gas Shp AI2 5 2 Pt 1000
Gas cooler pressure Pgc AI4 5 4 AKS 2050-159

Danfoss AK-PC 781A Specifications

General

Brand	Danfoss
Model	AK-PC 781A
Category	Controller
Language	English