Danfoss AK-CH 650 Manual de serviço - Página 13

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Alarm priorities

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 %

Settings

Main switch

Standby mode

Low P0

High S4

Low S4

High Pc/Sd

Superheat min/max

Load Shedding

P0/S4 sensor error

Misc. sensor error

Cold pump alarm

Cold pump 1 & 2 alarm

Anti freeze safety

Compr VSD safety

Comp. 1 safety

Comp. 2 safety

Comp. 3 safety

Comp. 4 safety

Comp. 5 safety

Comp. 6 safety

Pc/S7 sensor error

Blocked air flow

Fan safety

Max def. time

AKM menu: "For DANFOSS only"

This menu contains data and setting values for special internal controller functions.

Do not change the stated values.

AK-CH 650 Version 2.0x

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

Main switch:

The alarm priority of the following alarms can be changed:

High priority is defined with setting = 1

Medium priority is defined with setting = 2

Low priority is defined with setting = 3

Overriding the alarms is defined with setting = 0

Regulation has stopped

Minimum safety limit for suction pressure P0 has been violated

High alarm limit for S4 has been exceeded

Low alarm limit for S4 has been exceeded

Safety limit for condensing pressure Pc /discharge gas temperature is exceeded

Superheat i suction line to low / high

Load shedding has been activated

Sensor signal for P 0 / S4 is defective

Sensor signal for Ss, Sd, S3, Sc3, Saux is defective

Pump alarm. One of the pumps has fallen out. Signal from flow switch

Pump alarm. Both pumps has fallen out. Signal from flow swich

All compressors have been cut out on frost protection

Variable speed drive for compressor has been cut out on safety

Compressor has been cut out on safety

Signal from pressure transmitter /temperature sensor is defective

The intelligent air flow monitoring of the condenser reports that a cleaning is due

Variable speed drive for condenser fans has been cut out on safety

Defrost is stopped because of too long defrost time. Check evaporator.

ON:

Regulation

OFF: Controller stopped