D-EOMWC00803-26_01EN - 14/39
Setpoint/Sub-Menu
Default
Range
Description
Valve Type
NC to Tower
NC to tower, NO to Tower
Type of bypass valve to tower
Valve/VFD SP=
18.33°C
15.6…48.9°C
Setpoint for bypass valve and vfd
Valve Min Pos
10%
0…100%
Valve minimum position
Valve Max Pos
90%
0…100%
Valve maximum position
Vfd Min Sp
10.0%
0.0…49.0 %
Setpoint for minimum percentage of Vfd Speed
Vfd Max Sp
100.0%
55.0…100.0%
Setpoint for maximum percentage of Vfd Speed
Valve Prop Gain
10.0
0.0…50.0
Proportional Gain of PID condensation controller
Valve Der Time
1s
0...180s
Derivative Time of PID condensation controller
Valve Int Time
600s
0…600s
Integral Time of PID condensation controller
Vfd Manual Speed
20.0%
0.0…100.0%
Setpoint for Vfd manual speed
Evaporator
This page contains basics settings for condensation control described in section 5.3.
Setpoint/Sub-
Menu
Default
Range
Description
Valve Position
0.0%
0.0…100.0%
Valve Position
Cool Setp Offs
1.5°C
1.0…7.0°C
Offset on the cool setpoint to regulate the three way valve
Valve Type
NC to Tower
NC to tower, NO to Tower
Type of three way valve to tower
Min Valve Open
0.0%
0.0…60.0%
Valve minimum position
Max Valve Open
95.0%
50.0…100.0%
Valve maximum position
Kp
1
0.1…100
Proportional Gain of PID valve controller
Ti
2.0min
1.0…60.0min
Derivative Time of PID valve controller
Td
2.0min
1.0…60.0min
Integral Time of PID valve controller
Master/Slave
All data and parameters available in this sub-menus are related to the Master Slave function. Refer to Master Slave manual
for more details.
Setpoint/Sub-
Menu
Default
Range
Description
Data
-
Submenu Data. This link is available only on the Master unit.
Options
-
Submenu Options. This link is available only on the Master unit.
Thermostat Ctrl
-
Submenu Thermostat Ctrl. This link is available only on the
Master unit.
Timers
-
Submenu Timers. This link is available only on the Master unit.
Standby Chiller
-
Submenu Standby Chiller. This link is available only on the
Master unit.
Disconnect Unit
No
No,Yes
Parameter to disconnect the unit by the Master Slave system.
When this parameter is set to Yes the unit follows all local
settings.
4.2.6.1
Data
In this menu are collected all main data related to Master Slave function.
Setpoint/Sub-
Menu
Default
Range
Description
Next On=
-
-,Master, Slave 1, Slave 2,
Slave 3
Display next chiller that will be starts
Next Off=
-
-,Master, Slave 1, Slave 2,
Slave 3
Display next chiller that will be stopped
Standby=
-
-,Master, Slave 1, Slave 2,
Slave 3
Display the actual standby chiller
Switch Date
-
dd/mm/yyyy
Display the day in which the standby chiller will be cycled
Switch Time
-
hh:mm:ss
Display at which time of the switch day the standby chiller will
be cycled
Plant Load=
-
0%...100%
Display the actual plant load
Avg EWT
-
-
Display the actual average entering water temperature value
Common EWT
-
-
Display the actual common entering water temperature value
Mst State=
-
Off, On, Alarm, Comm Err
Display the actual state of the Master
Sl1 State=
-
Off, On, Alarm, Comm Err
Display the actual state of the Slave 1
Sl2 State=
-
Off, On, Alarm, Comm Err
Display the actual state of the Slave 2
Sl3 State=
-
Off, On, Alarm, Comm Err
Display the actual state of the Slave 3
Mst Standalone=
-
No, Yes
Display if the standalone mode if active on the Master
Sl1 Standalone
-
No, Yes
Display if the standalone mode if active on the Slave 1
Sl2 Standalone
-
No, Yes
Display if the standalone mode if active on the Slave 2
Sl3 Standalone
-
No, Yes
Display if the standalone mode if active on the Slave 3
Mst Load=
-
0%...100%
Display the actual load of the Master
Sl1 Load=
-
0%...100%
Display the actual load of the Slave 1
Sl2 Load=
-
0%...100%
Display the actual load of the Slave 2
Sl3 Load=
-
0%...100%
Display the actual load of the Slave 3
Mst LWT=
-
-
Display the Master leaving water temperature
