Hussmann RDI-27 Installation & Operation Manual page 46

Operating status
The controller goes through some regulating situations where it is just waiting for
the next point of the regulation. To make these "why is nothing happening" situations
visible, you can see an operating status on the display. Push brie y (1s) the upper but-
ton. If there is a status code, it will be shown on the display.
The individual status codes have the following meanings:
S0: Regulating
S1: Waiting for end of the coordinated defrost
S2: When the compressor is operating it must run for at least x minutes.
S3: When the compressor is stopped, it must remain stopped for at least x minutes.
S4: The evaporator drips o and waits for the time to run out
S10: Refrigeration stopped by main switch. Either with r12 or a DI-input
S11: Refrigeration stopped by thermostat
S14: Defrost sequence. Defrost in progress
S15: Defrost sequence. Fan delay — water attaches to the evaporator
S17: Door is open. DI input is open
S20: Emergency cooling *)
S25: Manual control of outputs
S29: Case cleaning
S30: Forced cooling
S32: Delay on outputs during start-up
S33: Heat function r36 is active
Other displays:
non: The defrost temperature cannot be displayed. There is stop based on time
-d-: Defrost in progress / First cooling after defrost
PS: Password required. Set password
*) Emergency cooling will take e ect when there is lack of signal from a de ned S3 or S4 sensor. The regulation will continue with a registered average
cutin frequency. There are two registered values – one for day operation and one for night operation.
Warning ! Direct start of compressors *
To prevent compressor breakdown parameter c01 and c02 should be set according to suppliers requirements or in general :
Hermetic Compressors c02 min. 5 minutes
Semihermetic Compressors c02 min. 8 minutes and c01 min. 2 to 5 minutes ( Motor from 5 to 15 KW )
* ) Direct activating of solenoid valves does not require settings di erent from factory (0)
AK-CC 210 Manual RS8EP502 © Danfoss
46
(Measurement)
EKC State:
(Shown in all menu displays)
0
1
2
3
4
10
11
14
15
17
20
25
29
30
32
33
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