Daikin EWWQ-G - Configure Unit; Alarm Limits

EWWQ090G ÷ EWWQ720L - R410A - Water-cooled scroll chillers
EWLQ090G ÷ EWLQ720L - R410A - Condenser less
EWHQ100G ÷ EWHQ400G - R410A - Heat pump scroll chillers
EWAQ- - R410A - Air-cooled scroll chillers
EWAQ- - R410A - Air-cooled scroll chillers
EWYQ- - R410A - Air-cooled scroll heat pumps
Air and Water cooled scroll chillers & heat pump
Operation
Manual
EWWQ - EWLQ - EWHQ
EWAQ - EWYQ
Air or Water cooled scroll chiller &
heat pump
D-EOMHW00107-15EN
Operation Manual
37
Circuit 2 Manual Contorl

Scheduled Maintenance

See section 4.9.7
4.9.1 Configure Unit
This page resumes all the specific settings for this unit like unit type, number of circuits, type of
condensing control, etc.. Part of these settings cannot be adjusted and are supposed to be set
during the manufacturing or commissioning of this unit. The modification of each parameter in this
menu requires that the unit switch is set to 0.
Setpoint/Sub-
Menu
Default
Range
Description
Apply Changes=
No
No, Yes
Type yes after changes
Unit Type=
EWWD
EWWD, EWLD
Select the unit type, chiller (EWWD) or condenser less (EWLD) (W/C only)
None
None, Chiller,
HeatPump
Select the unit type basing on the model name.
Noise Class=
Std
Std, Low
Selects between the two noise class. (A/C C/O only)
Number Of Cir=
1
1,2
Number of circuit of the chiller
Inversion Type
No
No, Water, Gas
Type of inversion in heat pump mode. (W/C only)
Cond Ctrl Var=
No
No, Pressure,
Cond In, Cond
Out
Enabling of the condensing control (W/C only)
Cond Ctrl Dev=
None
None, Valve, VFD
Select device type used for condensing control (W/C only)
M/S Address
Standalone
Standalone,
Master, Slave 1 ,
Slave 2, Slave 3
Define if the chiller works as standalone or belongs to Master Slave
network,
M/S Nom Of Unit
2
2,3,4
Indicate the number of chiller belonging to Master Slave network. This
parameter have to be set only in the chiller Master, in all Slave units it can
be let at default value as ignored.
M/S Sns Type
NTC10K
NTC10K, PT1000
Define the sensor type used to measure the common leaving water
temperature.
This parameter have to be set only in the chiller Master, in all Slave units it
can be let at default value as ignored.
Unit Alm Behavior=
Blinking
Blinking,
NotBlinking
Behavior of the unit alarm digital output
Display Units=
Metric
Metric,English
Measurement system
HMI Language=
English
English
Enable Options
PVM/GFP=
Disable
Disable, Enable
Enabling of the phase voltage monitor
External Alarm=
Disable
Disable, Event,
Alarm
Enabling of the Event or External Alarm input.
Demand Limit=
Disable
Disable, Enable
Enabling of the Demand Limit signal
Lwt Reset=
Disable
Disable, Enable
Enabling of the Lwt Reset signal
Comm Module 1=
None
None, IP, Lon,
MSTP, Modbus,
AWM
Auto-configured when UC link with related module
Comm Module 2=
None
Modbus, Bacnet
IP, Bacnet MSTP,
Lon, AWM
Auto-configured when UC link with related module
Comm Module 3=
None
Modbus, Bacnet
IP, Bacnet MSTP,
Lon, AWM
Auto-configured when UC link with related module
Modification to any of these values will require to be acknowledged to the controller by setting
“Apply Changes = Yes”. This will cause a controller reboot! This action can only be performed with
the Q0 switch on the unit switchbox set to 0.
4.9.2 Alarm Limits
This page contains all alarm limits, including low pressure alarm prevention thresholds. In order to
ensure proper operation they have to be set manually according to the specific application.
Setpoint/Sub-Menu
Defau
lt
Range
Description
Low Press Alm=
200.0k
200.0…630.0kPa
Low pressure alarm limit