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Operation and Maintenance
Envistar Top 04-21
DSET.220501.07.en
Continuous product development may give rise to specification changes without notice.
Information
Value/example
Explanation
Freq. inv. output
x.x%
Shows how much of the full capacity
is used by the compressor.
Compr. no
Comp1
No. of compressors
Compr. Sum alarm
Normal
Display of sum alarm.
Danfoss invert. Sa
alarm
Sum alarm from the frequency inverter
for the compressor.
Alarms
>
Alarm information in the submenu.
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Compressor C1
On/Off
Compressor operating mode.
Suction gas temp C1
17 °C
Measured suction gas temp.
Evaporation temp C1
10 °C
Calculated evaporation temp based on
low pressure.
Low pressure C1
10 bar
Relative pressure from low pressure
sensor.
Overheating C1
7 K
Measured overheating.
High pressure C1
25 bar
Relative pressure from high pressure
sensor.
Expansion valve_1
80%
Expansion valve position
Condensation temp C
42.7°C
Calculated condensation temperature
based on high pressure.
Hot gas temperature
75°C
Hot gas temperature
Liquid line T
40°C
Liquid line temperature
Supercooling
2.7°C
Supercooling
Compr. frequency
Hz
Compressor frequency
Overheating ref.
K
Setpoint for overheating. Adjusted au-
tomatically.
