ECKELMANN VS 3000 - 6.3 Displaying operating status

Version 2.02 15.05.2007 Operating Modes of VS 3000
78
6.3 Displaying operating status
In some lines of the display, additional marks are placed before the measurement to indicate system operating
status. The marks used are as follows:
S Indication of suction pressure trend:
Shows whether compressor capacity stages are to be loaded, unloaded or not actuated at the end of the time
delay intervals.
t
0-Act
X -20°C
p
0-Act
X 2.34b
↓
+ Compressor capacity stages are loaded.
p
o−Act
≻ p
o−Setp
+
NZ
2
= Compressor capacity stages are not actuated.
p
0-Act
in neutral zone
- Compressor capacity stages are unloaded.
p
o−Act
≺ p
o−Setp
−
NZ
2
S Indication of condensing pressure trend:
Shows whether fan capacity stages are to be loaded, unloaded or not actuated at the end of the delay inter-
vals.
t
c-Act
X 30°C
p
c-Act
X 15.45b
↓
+ Fan capacity stages are loaded.
p
o−Act
≻ p
o−Setp
+
NZ
2
= Fan capacity stages are not actuated.
p
0-Act
in neutral zone
- Fan capacity stages are unloaded
p
o−Act
≺ p
o−Setp
−
NZ
2
S Indication of setpoint characteristic:
t
0-Setp
X -20°C
p
0-Setp
X 2.34b
t
c-Setp
X 30°C
p
c-Setp
X 15.45b
↓
D Controller works with parameters for daytime operation.
N Controller works with parameters for nighttime operation.
HR Controller works with parameters for heat recovery mode.