Stulz C2020 User Manual

EN/07.2013/58/25
M29.
Differ temp value bad
working alarm
Difference value between TI and TE to get bad
working alarm
0/100 °C
M30.
Delay time before bad
working alarm
Waiting time before the bad working alarm is
switched on
0/255 Min
M31.
Freecooling enable/
options
Freecooling Enable + Freecooling Options
(enthalpy/temperature based/temperature with
PI control)
No/Temp/
Enth/Temp. PI
-
M32.
Min in-out enthalpy
Different for freecooling
Min difference between internal and external
enthalpy for freecooling
-200/ 500 Kj/Kg
M33.
Freecooling Unit 1 Start
value
Freecooling UNIT 1 control: Start 0/100% -
M34.
Freecooling Unit 1 Max
value
Freecooling UNIT 1 control: Max 0/100% -
M35.
Enable freecooling for
second unit
Freecooling enable for second unit YES/NO -
M36.
Freecooling unit 2 Offset
value
Freecooling UNIT 2 control: Offset 0/100% -
M37.
Freecooling unit 2 Night
Mode Offset
Freecooling offset for Night mode (only for
custom 13)
0/100% -
M38.
Offset Value for
freecooling at 100%
Only for Custom 13. Value offset for Free
cooling at 100% (bypassing max value limit)
0/100% -
M39. Free cooling Band
Proportional band for Freecooling control
temperature
0/999 °C
M40. Freecooling Integral time
Integral time for Freecooling control
temperature
0/999 Sec
M41.
Min in-out temp diff for
freecooling
Min difference between ambient and external
temperature for freecooling
-200/ 500°C °C/F
M42.
Min external temp enable
freecooling
Min external temperature to enable
freecooling. Limit min
-90/90°C °C/F
M43.
Max external temp enable
freecooling
Max external temperature to enable
freecooling. Limit max
-90/90°C °C/F
M44.
Band for limit Supply
temperature
Band for limit Supply temperature -90/90 °C
M45.
Min freecooling damper
opening
Minimum damper aperture 0/100% -
M46.
Freecooling OFF if
compressor ON
Enable of freecooling when the compressor
is on
YES/NO -
M47.
Min humidity limit for
freecooling
Humidity limit for freecooling - Min limit -999/999 -
M48.
Max humidity limit for
freecooling
Humidity limit for freecooling - Max limit -999/999 -
M49.
Freec start delay exceed
humid limit
Delay start of freecooling function when an
exceeded humidity limits is occurred. 0=1
minute
0/9 -
M50.
Enable freec with high
temp alarm
Enable freecooling when a temperature alarm
occurs
YES/NO -
M51.
Freec regulation damper/
damp+fan
Select the freecooling regulation: 0=only by
damper 1=damper+evaporator fan
Damper/
Damp+fan
M52.
Assisted freec mode. Min
temp difference
Min differential value between TI and TAE to
have an assisted free-cooling control
0/50°C °C
M53.
Assisted freec mode. Min
external temp
Min external temperature to enable the
compressor on together the freecooling
0/50°C °C
M54. Compressor Enable It enables the compressor Y/N -
M55.
CP Start without
freecooling
Compressor management without freecooling
UNIT 1 – Start
0/100% -
M56.
CP Stop without
freecooling
Compressor management without freecooling
UNIT 1 – Stop
0/100% -

Stulz C2020 Specifications

General

Brand	Stulz
Model	C2020
Category	Controller
Language	English