Daikin EWAD900BJYNN/A [189/346] Condensation

Daikin EWAD850BJYNN/A [189/346] Condensation
ESIE07-04 The Digital Controller
Part 2 – Functional Description 2–49
3
2
4
5
1
Pump down
configuration
This screen allows you to set the pump down parameters (pump down at shut down)
Fan configuration This screen allows you to set the fan setup of the unit.
Fan settings for
option OPLA
These screens are not visible when VFD is selected.
These screens allow you to set the setpoints of the different fan steps of a circuit. These settings are
applicable for all circuits.
The fan settings for an OPLA unit is a combination of on/off fan steps and one VFD fan.
P Enable :
N : Pump down is disabled
Y : Pump down is enabled
P Max Time : Maximum time of pump down function
P Min Press : Minimum pressure during pump down function
Pump Down Config.
Enable Y
Max time 030 s
Min Press. 0.5 bar g
P Enable PRES. : Fan regulation on condensing pressure setpoints
P Type :
Steps : Fan regulation with on/off fans steps
VFD : Fan regulation with phase cut fans (only in units with OPFS)
SPEEPTR : Fan regulation with 1 VFD fan and all other fans on/off (only in units with
OPLA)
P Fan Steps : Number of on/off fan steps in the unit
Possible settings : 1 – 4
Condensation
Enable PRES.
Type STEPS
Fan Steps 4
P Fanstep N. : Number of this fan step
P Setpoint : Setpoint of fanstep, at this setpoint this fan step will switch on
P Diff. : Differential of fanstep to switch off this fan step (setpoint – diff.)
Condensation
Fan Step N. 1
Setpoint 00.0 bar
Diff. 00.0 bar

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