Danfoss AK-CH 650 Service Manual - Page 12

Browse online or download pdf Service Manual for Controller Danfoss AK-CH 650. Danfoss AK-CH 650 15 pages. Capacity controller for water chiller

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Request Cond. cap %

Thermostat 1 °C

Thermostat 2 °C

Thermostat 3 °C

Pressostat 1 Bar

Pressostat 2 Bar

Settings

Main switch

Ther. 1 Cutin °C

Ther. 1 Cutout °C

Ther. 1 High Alarm °C

Ther. 1 Low Alarm °C

Ther. 1 High ALDly m

Ther. 1 Low ALDly m

Ther. 2............

Ther. 3............

Pres. 1 Cutin bar

Pres. 1 Cutout bar

Pres. 1 High alarm bar

Pres. 1 Low alarm bar

Pres. 1 High ALDly m

Pres. 1 Low ALDly m

Pres. 2............

(Use Service Tool if data concerning thermostats 4 and 5 or from pressure controls 3, 4 and 5 have to be downloaded).

Voltage inputs

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 %

Volt 1 readout

Settings

Main switch

Volt 1 Cutin

Volt 1 Cutout

Volt 1 Cutin del. m

Volt 1 Cutout del. m

Volt 1 High Al.Limit

Volt 1 Low Al.Limit

Volt 1 High Al.Dly m

Volt 1 Low Al.Dly m

(Use Service Tool if data concerning Volt 2, 3, 4 and 5 are to be downloaded).

Reference for condenser capacity

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 Pressure Control 1

As above, but for pressostat 2

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"

As above, but for thermostat 2

As above, but for thermostat 3

Cutin value for function defined in "Pressure Control 1".

Cutout value for function defined in "Pressure Control 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"

As above, but for pressostat 2

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

Voltage measurement on the function defined in Volt 1.

Main switch:

The value where the relay is to cut in

The value where the relay is to cut out

Time delay for cutin of relay

Time delay for cutout of relay

The value for the high alarm limit

The value for the low alarm limit

Time delay for high alarm

Time delay for low alarm

Service Guide

ON:

Regulation

OFF: Controller stopped

ON:

Regulation

OFF: Controller stopped

AK-CH 650 Version 2.0x