Danfoss ADAP-KOOL AK-PC 781 User Manual - Page 13

Browse online or download pdf User Manual for Controller Danfoss ADAP-KOOL AK-PC 781. Danfoss ADAP-KOOL AK-PC 781 14 pages. Capacity controller with heat recovery

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Thermostat/pressostats

Measurements

AK error

Comp. ctrl. temp °C

Comp. ctrl. ref. °C

Compressor cap. %

Request Comp. Cap %

P0 °C

Ss Suction gas °C

Cond. ctrl. temp °C

Cond. ctrl. ref. °C

Cond. cap. %

Request Cond. cap %

Pc Bar

Tc °C

Gc status

Pgc Bar

Pgc reference Bar

Sd discharge gas °C

Sgc °C

Thermostat 1 °C

Thermostat 2 °C

Thermostat 3 °C

Pressostat 1 Bar

Pressostat 2 Bar

Pressostat 3 Bar

Settings

Main switch

T1 Cutin °C

T1 Cutout °C

T1 High Alarm °C

T1 Low Alarm °C

T1 High Al delay m

T1 Low Al delay m

P1 Cutin press Bar

P1 Cutout press Bar

P1 High Al limit Bar

P1 Low Al limit Bar

P1 High Al delay m

P1 Low Al delay m

(Use Service Tool if data concerning thermostats 2 to 5 or from Pressostat 2 to 5 have to be downloaded).

Voltage and PI inputs

Measurements

AK error

Comp. ctrl. temp °C

Comp. ctrl. ref. °C

Compressor cap. %

Request Comp. Cap %

P0 °C

Ss Suction gas °C

Cond. ctrl. temp °C

Cond. ctrl. ref. °C

Cond. cap. %

Request Cond. cap %

AK-PC 781 Version 4.1x

When "ON", the controller is in alarm condition.

Actual temperature for control sensor (Po or S4)

Actual reference temp. for compressor capacity

(incl. external reference signal, if any)

Cut-in compressor capacity in % (of total capacity)

Reference for compressor capacity (deviations may be due to time delays)

Suction pressure in °C. (Measured with the pressure transmitter)

Actual suction gas temperature

Actual temperature for control sensor (Pc or S7)

Actual reference temp. for condenser capacity

(incl. external contributions, if any)

Cut-in condenser capacity in % (of total capacity)

Reference for condenser capacity

Condensing pressure (measured with the pressure transmitter)

Condensing pressure in °C. (measured with the pressure transmitter)

Actual gas cooler operation:

0=Off. 1=Standby. 2=Max COP operation. 3=Heat recovery. 4=Extra capacity.

5=Manual control.

Actual gas cooler pressure

Actual reference for gas cooler pressure

Actual discharge gas temperature

Actual temperature at outlet from the gas cooler

Temperature measurement of function defined in Thermostat 1.

Temperature measurement of function defined in Thermostat 2.

Temperature measurement of function defined in Thermostat 3.

Pressure measurement of function defined in Pressostat 1

As above but for Pressostat 2

As above but for Pressostat 3

Main switch:

Cutin value for function defined in "Thermostat 1".

Cutout value for function defined in "Thermostat 1".

High alarm limit "Thermostat 1"

Low alarm limit "Thermostat 1"

Time delay for high alarm "Thermostat 1"

Time delay for low alarm "Thermostat 1"

Cutin value for function defined in " Pressostat 1".

Cutout value for function defined in "Pressostat 1".

High alarm limit "Pressostat 1"

Low alarm limit "Pressostat 1"

Time delay for high alarm "Pressostat 1"

Time delay for low alarm "Pressostat 1"