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Air and Water cooled inverter chillers and heat pump
EWAD TZ - EWAD TZ B - EWWD VZ
Air and Water cooled inverter chillers
and heat pump
D-EOMZC00105-17EN
Operation Manual
29/84
Setpoint/Sub-Menu
Default
Range
Description
Variable VR St=
Off(VR2)
VR2 or VR3 slide position status
Evap LWT=
7.0°C
Evaporator LWT
Evap EWT=
12.0°C
Evaporator EWT
4.3.2
Compressor
This page resumes all the relevant information about compressor. In this page a manual adjustment of the
compressor capacity will be possible.
Setpoint/Sub-Menu
Default
Range
Description
TZ / TZ B
VZ
TZ / TZ B
VZ
Start=
Date and time of the last start
Stop=
Date and time of the last stop
Run Hours=
0h
0h
Running hours of compressor
No. Of Starts=
0
0
Number of compressor starts
Cycle Time Rem=
0s
0s
Remaining cycle time left
Clear Cycle Time
Off
Off
Off,On
Cycle time clear command
Capacity=
100%
100%
Compressor capacity
Act Speed=
5400rmp
N/A
Compressor speed (depends on model)
Feedback Cap
N/A
0.0%
Current=
200.0A
N/A
Inverter current
Percent RLA=
85%
N/A
Percentage over the Full Load current
Power Input=
0kW
N/A
Power Input
DC Voltage
0V
N/A
DC-Link Voltage
Cap Control=
Auto
Auto
Auto, ManStep
Auto,
ManStep,ManSpd
Capacity Control Mode
Manual Cap=
0.0%
0.0%
0.0…100.0%
Manual capacity percentage
VFD Temp=
0°C
N/A
VFD Temperature
Vfd Valve Life=
100%
N/A
Inverter cooling SV remaining cycles
Vfd Capct Life=
100%
N/A
Inverter capacitors remaining life
Start VFD Spd=
1800rpm
N/A
Compressor start speed
Max VFD Spd=
5400rpm
N/A
Compressor maximum speed
4.3.3
Condenser (A/C only)
This page resumes all the relevant data and settings to adjust the condenser pressure control to fit the specific
requirements for the operating conditions.
Setpoint/Sub-Menu
Default
Range
Description
# Fans Running=
0
Number of fans currently running
# Of Fans=
6
Total number of fans
Stg Up Error=
0
Error to stage up one fan
Stg Dn Error=
0
Error to stage down one fan
Cond Sat Temp=
0
Saturated condensing temperature
Cond Target=
30.0°C
Saturated condenser temperature target
VFD Target=
30.0°C
Target for the VFD (only for Vfd and Speedtroll)
VFD Speed=
0.0%
Current VFD Speed
Fan VFD Enable=
Enable
Disable, Enable
Enable or disable Fan speed regulation
Stg On Db 0=
4.0°C
Dead band for fan stage up #1
Stg On Db 1=
5.0°C
Dead band for fan stage up #2
Stg On Db 2=
5.5°C
Dead band for fan stage up #3
Stg On Db 3=
6.0°C
Dead band for fan stage up #4
Stg On Db 4=
6.5°C
Dead band for fan stage up #5
Stg On Db 5=
6.5°C
Dead band for fan stage up #6
Stg Off Db 2=
10.0°C
Dead band for fan stage down #2*
Stg Off Db 3=
8.0°C
Dead band for fan stage down #3
Stg Off Db 4=
5.5°C
Dead band for fan stage down #4
Stg Off Db 5=
4.0°C
Dead band for fan stage down #5
Stg Off Db 6=
4.0°C
Dead band for fan stage down #6
VFD Max Speed=
700rpm
500…700 rpm
VFD maximum speed
VFD Min Speed=
175rpm
100…700 rpm
VFD minimum speed
* last fan running stage down uses a fixed limit not accessible from the HMI.