Danfoss AK-CH 650 Service Guide

12 Service Guide RC8BV402 © Danfoss 2016-02 AK-CH 650 Version 2.0x
Request Cond. cap % Reference for condenser capacity
Thermostat 1 °C Temperature measurement of function dened in Thermostat 1.
Thermostat 2 °C Temperature measurement of function dened in Thermostat 2.
Thermostat 3 °C Temperature measurement of function dened in Thermostat 3.
Pressostat 1 Bar Pressure measurement of function dened in Pressure Control 1
Pressostat 2 Bar As above, but for pressostat 2
Settings Main switch Main switch: ON: Regulation
OFF: Controller stopped
Ther. 1 Cutin °C Cutin value for function dened in ”Thermostat 1”.
Ther. 1 Cutout °C Cutout value for function dened in ”Thermostat 1”.
Ther. 1 High Alarm °C High alarm limit "Thermostat 1"
Ther. 1 Low Alarm °C Low alarm limit "Thermostat 1"
Ther. 1 High ALDly m Time delay for high alarm "Thermostat 1"
Ther. 1 Low ALDly m Time delay for low alarm "Thermostat 1"
Ther. 2............ As above, but for thermostat 2
Ther. 3............ As above, but for thermostat 3
Pres. 1 Cutin bar Cutin value for function dened in ”Pressure Control 1”.
Pres. 1 Cutout bar Cutout value for function dened in ”Pressure Control 1”.
Pres. 1 High alarm bar High alarm limit "Pressostat 1"
Pres. 1 Low alarm bar Low alarm limit "Pressostat 1"
Pres. 1 High ALDly m Time delay for high alarm "Pressostat 1"
Pres. 1 Low ALDly m Time delay for low alarm "Pressostat 1"
Pres. 2............ As above, but for pressostat 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 When “ON”, the controller is in alarm condition.
Comp. Ctrl. temp. Actual temperature for compressor control
S4 Cold brine supply Actual cold brine supply temperature measured with S4 temp. sensor
S3 Cold brine return Actual cold brine return temperature measured with S3 temp. sensor
P0 °C Suction pressure in °C. (Measured with the pressure transmitter)
Comp. ctrl. Ref. °C Actual reference temperature for compressor control
Compressor cap. % Cut-in compressor capacity in % (of total capacity)
Request Comp. Cap % Reference for compressor capacity (deviations may be due to time delays)
Cond. ctrl. temp °C Actual temperature for control sensor (Pc or S7)
S7 warm brine °C Actual warm brine temperature for S7 media sensor
(Only used if S7 sensor is selected as regulation sensor)
Pc °C Condensing pressure in °C. (measured with the pressure transmitter)
Cond. ctrl. ref. °C Actual reference temp. for condenser capacity
(incl. external reference signal, if any)
Cond. cap. % Cut-in condenser capacity in % (of total capacity)
Request Cond. cap % Reference for condenser capacity
Volt 1 readout Voltage measurement on the function dened in Volt 1.
Settings Main switch Main switch: ON: Regulation
OFF: Controller stopped
Volt 1 Cutin The value where the relay is to cut in
Volt 1 Cutout The value where the relay is to cut out
Volt 1 Cutin del. m Time delay for cutin of relay
Volt 1 Cutout del. m Time delay for cutout of relay
Volt 1 High Al.Limit The value for the high alarm limit
Volt 1 Low Al.Limit The value for the low alarm limit
Volt 1 High Al.Dly m Time delay for high alarm
Volt 1 Low Al.Dly m Time delay for low alarm
(Use Service Tool if data concerning Volt 2, 3, 4 and 5 are to be downloaded).

Danfoss AK-CH 650 Specifications

General

Brand	Danfoss
Model	AK-CH 650
Category	Controller
Language	English