Service; Measurements; Forced Control Of Outputs - Danfoss ADAP-KOOL AKC 114 G Mode D'emploi

Service

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This function is used in connection with installation, service and fault-finding on the plant. By
means of it, the connected functions can be checked, e.g. fan, expansion valve, sensors and
alarm functions.

Measurements

All sensor temperatures can be read and controlled here. It is furthermore possible to read the
status of the input signal for:
- equirements to day/night operation (Night setback signal on NightCover = OFF/ON)
- defrost start (Def. Start = OFF/ON)
- forced closing ("ON" = OFF/ON)
Service moce Measurement of input terminals

Forced control of outputs

The components connected to the controller outputs can be controlled.
NB! There is no monitoring when there is forced control on the outputs.
Access requirements
To gain access to the service function, two settings have to be made:
1. The function switch must be put in position Service.
Main Function
(The display shows the message "Standby mode" to indicate that regulation has
been stopped, and that all outputs are OFF).
2. "Manual Control" must be On
Service Mode
(The service function is activated).
The individual outputs can now be controlled by force.
Fan
On/Off setting of fan output, terminals 10/11.
Service Mode
(If forced operation of the expansion valve will be required later, the fans must be
operating).
Heat element in drip tray
ON/OFF setting of heat element output, terminals 12/13.
Service Mode
The output can be monitored with a meter.
Expansion valve
Forced control of AKV valve's opening degree.
During operation with forced control of the opening degree, the fans and compressors
should be operating. Setting values are in % of completely open valve. The function
can be used when the system has to be evacuated (AKV OD = 100%).
WARNING: Liquid flow in the evaporator may damage the compressor.
Service Mode
Function description RC.8A.R1.02 © Danfoss 10/2001
P0 bar
T0 ° C
S2 A ° C
S3 A ° C
S4 A ° C
S5 A ° C
Def. Start
ON input
DI input
S6 Input
Pliq. Bar
Tliq. °C
Main Function Settings
Manual control of Outputs
Manual control of Outputs
Manual control of Outputs
Manual control of Outputs
-1
Main Switch =
ON
Man. Ctrl. =
OFF/ON
Fan:
OFF/ON
Trayheat:
__
AKV OD% (A):
AKC 114G