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Stulz C2020 User Manual

Stulz C2020
109 pages
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EN/07.2013/58/92
Analogic output
In the I/O menu, 4 new masks were added to define the logic of AN-OUT.
The integral control for freecooling output was added (mask M37 - M38) and it has effect to both units.
The two functions are to be integrated in all custom applications.
Comfort mode
The A9 DIG-IN is connected to a key to reduce the noise in the shelter.
When A9 changes the state, the evaporator fan goes to a maximum speed of 50% for 20 minutes.
The display will show “COMFORT MODE” instead of “SYSTEM ON”
If anti-freezing control requires a speed higher than 50%, the fan will go to the required value.
7.8. Custom 8
Setup values as standard. Smoke Alarm has automatic reset after 30 seconds of no alarm condition.
7.9. Custom 9
There are changes from the standard application: new channels TI1 and TI2 are selected by I/O Setup (note that TM and
TC cannot be used).
When Max(TI1, TI2) > S01, then TI becomes Max(TI1, TI2) .
When Min(TI1, TI2) < S03, then TI becomes Min(TI1, TI2)
TI1 and TI2 are showed in the mask where normally TE and TM are showed. TE is showed in the line under it.
Bypass condenser fan speed limitation if PC > M115, return to normal condition when PC < (M115 – 1.5).
This control is now also the standard.
Visualization on CO3 user
There will be a special mask.
Internal temperature 1 and internal temperature 2:
28/01/08 12:42
FREE COOLING OFF
TI1=20.0 TI2= 20.0°C
TE =30.0°C
Visualization on EO3 user
In normal mode are showed some special masks (page 12 and 13):
Page 12 - Internal temperature 1: “TI1_XXX” (XXX = °C or DIS)
Page 13 - Internal temperature 2: “TI2_XXX” (XXX = °C or DIS)
Page 14 - Firmware version and custom: “STUTL2XX_YY_09” (XX_YY = Firmware version)
7.10. Custom 10
As standard version, with different setup parameters. Only the sw version is different.
7. 11. Custom 11
There is a change from the standard application: master must not ask freecooling support if the compressor is on.

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Stulz C2020 Specifications

General IconGeneral
BrandStulz
ModelC2020
CategoryController
LanguageEnglish

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