AIRSYS UNICOOL 11V1T3 - Page 74

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Inverter Setting
[EU]
Start pressure Diff.
Lim
Maximum pressure differential during startup
116.0 psi
Control rate
EEV control rate
1.2
Table 23: Additional Inverter Settings (Carel)
Menu Screen
Option
Description
Default
Start up pressure
Differential Control
Max pressure
differential
Maximum pressure differential allowed during
start up
3 bar
Equalization mode
EEV
Preopening
Max Equaliz. Time
Maximum equalization time
10s
EEV Opening
EEV opening percentage during equalization
100%
Start-up failure
control
Press difference min.
variation
Minimum pressure differential allowed during
startup
0 bar
Control period
Control period
0s
Restart delay
Restart delay
0s
Max retry number
Maximum number of restarts
5
Speed management
Start-by forced speed
Starting speed
0 rps
Max speed
Maximum speed
64 rps
Min speed
Minimum speed
27 rps
Deceleration Rate
Deceleration rate
0 rps/s
Acceleration rate
Acceleration rate
0 rps/s
Switch-off rate
Deceleration rate when powering off
0 rps/s
Envelope Control
Speed reduction rate
Deceleration rate
0 rps/s
Min speed admitted
Minimum speed
0 rps
Out of Envelope Alarm
Timeout
Timeout for out of envelope alarm
180s
Low pressure diff
Alarm Timeout
Timeout for low pressure difference
Low Ratio
management
By EEV Closing
Manage low pressure ratio by closing EEV
No
By Compressor speed
up
Manage low pressure ratio by increasing
compressor speed
No
Discharge Gas
Control
High Discharge Temp
limit
High temperature limit for exhaust gas
High discharge temp
alarm
Alarm temperature for exhaust gas
Speed Control Due
to Discharge Gas
Action distance
Temperature control range
Action pause
Control duration
Compressor speed
reduction
Compressor speed reduction
Regulation
Mode
Regulation Mode. Suction Superheat/Discharge
Superheat
Suction
Superheat
Discharge temp.
probe Compensat.
Time
Exhaust temperature probe compensation time
Discharge
Superheat Control
Set point
Super heat set point
Offset
Super heat offset