Danfoss AK-CH 650 Manual de serviço - Página 4

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Main settings

Measurements

AK error

Comp. Ctrl. temp.

S4 Cold brine supply

S3 Cold brine return

P0 °C

Comp. ctrl. Ref. °C

Compressor cap. %

Request Comp. Cap %

Cond. ctrl. temp °C

S7 warm brine °C

Pc °C

Cond. ctrl. ref. °C

Cond. cap. %

Request Cond. cap %

External Main Switch

Settings

Main switch

Configuration lock

Select quick setup

Refrigerant type Po

Suction capacity control

Measurements

AK error

Comp. Ctrl. temp.

S4 Cold brine supply

S3 Cold brine return

P0 °C

Comp. ctrl. Ref. °C

Compressor cap. %

Request Comp. Cap %

Cond. ctrl. temp °C

S7 warm brine °C

Pc °C

Cond. ctrl. ref. °C

Cond. cap. %

Request Cond. cap %

MC dP0 offset K

S3 offset

Ext. Ref. Offset °C

Night setback

Suction status

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

Actual temperature for compressor control

Actual cold brine supply temperature measured with S4 temp. sensor

Actual cold brine return temperature measured with S3 temp. sensor

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

Actual reference temperature for compressor control

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

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

Actual temperature for control sensor (Pc or S7)

Actual warm brine temperature for S7 media sensor

(Only used if S7 sensor is selected as regulation sensor)

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

Actual reference temp. for condenser capacity

(incl. external reference signal, if any)

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

Reference for condenser capacity

Status of input "Extern Main Switch". In pos. "OFF" the regulation is stopped by force

Main switch:

Lock of configuration.

In order to select quick setup or select refrigerant type, the configuration lock must

be "open". Note: "Main switch" must be OFF in order to set configuration lock in "open"

position

0: Open

1: Locked

Select a pre defined application. All in- and outputs will be pre-defined.

All setpoint will be adapted to the selected application. Please notice that the control

ler will make a restart when a selection has been made.

See AK-PC 840 manual for further details about the predefined applications.

Select refrigerant type

0= not selected, 1=R12. 2=R22. 3=R134a. 4=R502. 5=R717. 6=R13. 7=R13b1.

8=R23. 9=R500. 10=R503. 11=R114. 12=R142b. 13=User defined 14=R32. 15=R227.

16=R401A. 17=R507. 18=R402A. 19=R404A. 20=R407C. 21=R407A. 22=R407B.

23=R410A. 24=R170. 25=R290. 26=R600. 27=R600a. 28=R744. 29=R1270. 30=R417A

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

Actual temperature for compressor control

Actual cold brine supply temperature measured with S4 temp. sensor

Actual cold brine return temperature measured with S3 temp. sensor

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

Actual reference temperature for compressor control

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

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

Actual temperature for control sensor (Pc or S7)

Actual warm brine temperature for S7 media sensor

(Only used if S7 sensor is selected as regulation sensor)

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

Actual reference temp. for condenser capacity

(incl. external reference signal, if any)

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

Reference for condenser capacity

Actual displacement value for the suction pressure in connection with a "P0

Optimiser" function (Master control function in AKA gateway)

Contribution from reference displacement via S3 sensor

Contribution from external reference displacement

Status of night setback function

ON: Night (An increase of the evaporating pressure is permitted)

OFF: Normal situation

0: Power up Controller has been powered up (power supply re-connected)

1: Stopped

Service Guide

ON:

Regulation

OFF: Controller stopped

Capacity control has been stopped ("Main switch" = OFF or

"Control mode" = OFF)

AK-CH 650 Version 2.0x