Stulz Split-Air CST 40, Руководство по эксплуатации

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E/0204/39/27
10. Motors
10.1 COMPRESSOR
Electric motor positioned inside the compressor. It is mounted on vibration dampers to reduce
vibrations.
10.2 FANS
These may be of different types depending on the model. They are either:
- multiblade axial, with outside rotor on bearings, dynamically balanced (motor-condensing unit);
- radial, with plastic or metal rotor, on bearings (evaporating unit);
These fans are manufactured in accordance with Standard EN 60 335 1. They are treated with
anticorrosion plastic materials, with class B insulation and class 1 protection.
The motor protection is IP44, in accordance with Standard DIN40500 whereas the safety rate
complies with Standards DIN30110. Noise levels are consistent with Standard DIN 45635.
10.3 DAMPER ACTUATOR
Electric servomotor with built-in travel stop switch and overload protection.
Protection degree: IP54
Protection class: III
11. Control, Monitoring and Safety Components
All equipment is set and inspected at the factory and generally does not require further adjustments
or interventions.
If, for specific reasons, it becomes necessary to perform modifications on the settings of automatic
device this task must only be performed, subsequent to notification to the STULZ engineering
service, by specialized product expert.
STULZ air conditioner are equipped with a set of devices designed to ensure proper operation.
Intervention by any one of these automatic safety device is a sign of a malfunction and it is absolutely
necessary to eliminate the cause of the malfunction.
WARNING!
It is prohibited to make electrical by-passes on safety equipment. This intervention, in
addition to being dangerous, also immediately invalidates guarantee coverage for the
product.
Interrupt electrical power to the unit before performing any repair or maintenance.
Work on the unit must only be done by expert, qualified and authorized personnel.
11.1 HIGH PRESSURE SAFETY SWITCH
stops compressor operation when the pressure inside the refrigeration circuit exceeds the following
value.
OFF 28 + 1 bar ON 22 + 1,5 bar
11.2 LOW PRESSURE SAFETY SWITCH
stops compressor operation when the pressure inside the refrigeration circuit drops below the
following value.
OFF 2,0 + 0,5 bar ON 3,2 + 0,3 bar