![background image](http://html1.mh-extra.com/html/daikin/ewad-tz-b/ewad-tz-b_operation-manual_4001229024.webp)
Air and Water cooled inverter chillers and heat pump
D-EOMZC00105-17EN
Operation Manual
24/84
EWAD TZ - EWAD TZ B -EWWD VZ
Air and Water cooled inverter chillers and
heat pump
4.2.7.1
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 4
Display next chiller that will be starts
Next Off=
-
-,Master, Slave 1, Slave 2, Slave 4
Display next chiller that will be stopped
Standby=
-
-,Master, Slave 1, Slave 2, Slave 4
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
Sl1 LWT=
-
-
Display the Slave1 leaving water temperature
Sl2 LWT=
-
-
Display the Slave2 leaving water temperature
Sl3 LWT=
-
-
Display the Slave3 leaving water temperature
Mst EWT=
-
-
Display the Master entering water temperature
Sl1 EWT=
-
-
Display the Slave1 entering water temperature
Sl2 EWT=
-
-
Display the Slave2 entering water temperature
Sl3 EWT=
-
-
Display the Slave3 entering water temperature
Mst Hrs=
-
-
Master running hours
Sl1 Hrs=
-
-
Slave 1 running hours
Sl2 Hrs=
-
-
Slave 2 running hours
Sl3 Hrs=
-
-
Slave 3 running hours
Mst Starts=
-
-
Master number of starts
Sl1 Starts=
-
-
Slave 1 number of starts
Sl2 Starts=
-
-
Slave 2 number of starts
Sl3 Starts=
-
-
Slave 3 number of starts
4.2.7.2
Options
This menu allows to set main parameter of Master Slave function
Setpoint/Sub-Menu
Default
Range
Description
Master Priority=
1
1…4
Start Up / Shut Down priority of the chiller Master
Priority = 1
highest priority
Priority = 4
lowest priority
Slave 1 Priority=
1
1…4
Start Up / Shut Down priority of the chiller Slave 1
Priority = 1
highest priority
Priority = 4
lowest priority
Slave 2 Priority=
1
1…4
Start Up / Shut Down priority of the chiller Slave 2.
Priority = 1
highest priority
Priority = 4
lowest priority
This menu is visible only if the parameter M/S Num Of Unit has been configured at
least with value 3
Slave 3 Priority=
1
1…4
Start Up / Shut Down priority of the chiller Slave 3.
Priority = 1
highest priority
Priority = 4
lowest priority
This menu is visible only if the parameter M/S Num Of Unit has been configured at
least with value 4
Master Enable=
Enable
Enable
Disable
This parameter allows to enable or disable locally the Master Chiller
Control Mode=
Complete
Partial
Complete
Parameter to select the Partial or Complete control mode
Partial
On/Off control