10
/07.2016/
G20
EN
5.1 Application limits
- Admissible return air conditions:
Temperature:
Lower limit:
18°C
Upper limit:
35°C
Humidity:
Lower limit:
5,5°C dew point
Upper limit:
60% r.h. and 15°C dew point
- Outdoor ambient conditions:
lower limit: –10°C, depending on selected option
down to –45°C
upper limit: depending on selected condenser
- Storage conditions:
Temperature [°C]:
–20 - +42
Humidity [% rel. h.]:
5 - 95
Atmosphere pressure [kPa]: 70 - 110
- Cooling water pipes:
max. water head pressure: 16 bar
- Required min thermal load: 20% of nom. cooling cap.
- Hot water conditions for optional heating coil:
max. inlet water temperature: 110°C
max. water head pressure: 16 bar
- Max. length of piping between A/C unit and air-
cooled condenser: 30 m equivalent.
- Max. level difference between condenser and
A/C unit: 5 m (when condenser is below the
A/C unit).
5. Technical data
- Voltage: 380 - 415V / 3ph / 50Hz; N; PE
- Voltage tolerance: +/- 10%
(not for permanent operation)
- Frequency tolerance: +/- 1%
The following voltages are also available for this A/C
unit series:
200V/3Ph/50Hz; PE (only for 41, 61, 81, 121, 171, 201)
208V/3Ph/60Hz; PE
230V/3Ph/60Hz; PE
380V/3Ph/60Hz; N; PE
460V/3Ph/60Hz; PE
Other voltages on request.
Voltage/frequency tolerances as for 400V/3Ph/50Hz.
The cooling capacity, air flow, water flow, pressure loss,
sound pressure level and valve sizes change with a vol-
tage different from the standard voltage (400V/3Ph/50
Hz). In this case, see the technical data by the help of
the "Stulz Select" planning tool.
The unit design, the external dimensions, the weight,
the position and size of the supply connections are
independent of the supply voltage and can be found in
this manual.
Requirements for UPS systems
:
(in case of permanent operation of the EC fans with a
UPS system)
- the output voltage of the UPS system must be grounded
neutral (wye).
- the voltage distortions must be within the limits stated
below and no inadmissibly high DC voltage portions
may exist.
- all-pole sinus filters must be provided at the UPS
system output.
transient peak over-voltage phase to ground:
max. 4 kV (1,2/50µs wave form; Z=12 Ohms in acc. to
ANSI)
transient peak over-voltage phase to phase:
max. 2 kV (1,2/50µs wave form; Z=2 Ohms in acc. to
ANSI)
ripple voltage phase to ground: dV/dt < 1V/µs (
≡
1000V/ms)
voltage harmonics: THD(V) < 8%
The warranty is invalidated for any possible damage or
malfunction that may occur during or in consequence of
operation outside the application ranges.
Summary of Contents for Mini-Space DX CCD131A
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