Daikin EWWQ-G - 6.1.4 Master Slave Alarms

EWWQ090G ÷ EWWQ720L - R410A - Water-cooled scroll chillers
EWLQ090G ÷ EWLQ720L - R410A - Condenser less
EWHQ100G ÷ EWHQ400G - R410A - Heat pump scroll chillers
EWAQ-G 075 - 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
Operation Manual
34
EWWQ - EWLQ - EWHQ
EWAQ - EWYQ
Air or Water cooled scroll chiller &
heat pump
D-EOMHW00107-15EN
Compressors

Link to the compressor page
Circ X Cond Ctrl

Link to the circuit condensing control page (W/C only)
Fan Control

Link to the circuit fan control page (A/C only)
EXV

Link to the EXV page
Defrost

Link to the defrost page (A/C only)
4.3.1.1 Compressors
This page resumes all the relevant information about compressors of the related circuit.
Note the following compressors enumeration:
1. Compressor 1 and compressor 3 belong to the Circuit #1
2. Compressor 2 and compressor 4 belong to the Circuit #2
Setpoint/Sub-Menu
Default
Range
Description
Comp Enable

Link to Compressor Enable page
Compressor 1
State
Off
Off, On
Compressor State
Start=
Date and time of the last start
Stop=
Date and time of the last stop
Run Hours=
0h
Running hours of compressor
No. Of Starts=
0
Number of compressor starts
Compressor 3
State
Off
Off, On
Compressor State
Start=
Date and time of the last start
Stop=
Date and time of the last stop
Run Hours=
0h
Running hours of compressor
No. Of Starts=
0
Number of compressor starts
The compressors enable page allows to enable or disable each compressor of the unit.
Setpoint/Sub-Menu
Default
Range
Description
Comp 1
Auto
Off, Auto
Enabling of the compressor
Comp 2
Auto
Off, Auto
Enabling of the compressor (if available)
Comp 3
Auto
Off, Auto
Enabling of the compressor
Comp 4
Auto
Off, Auto
Enabling of the compressor (if available)
If a compressor is switched to off while it is in running, it does not shutdown immediately, but the
controller waits normal shutdown for thermoregulation or unit off and after the compressor disabled
will not started until it is enabled again.
4.3.1.2 Circ 1 Cond Ctrl
This page resumes all parameters for the condensing circuit control. For more details about this
parameters and the circuit condensing control logic refer to section 5.6.2.
Setpoint/Sub-Menu
Default
Range
Description
Cnd Sat Tmp SP=
35.0°C
30.0…50°C
Condensing saturated temperature setpoint
Cnd Sat Tmp=
-
-
Actual condensing saturated temperature
Output=
-
-
Actual condensing control output
Max Output=
100.0%
50…100%
Maximum condensing control output
Min Output
0.0%
0…50%
Minimum condensing control output
4.3.1.3 Fan Control (A/C only)
This page resumes all settings for the fan control. For more details about this parameters and the
fan control logic see section 5.6.3
Setpoint/Sub-Menu
Default
Range
Description
Cond Target=
38.0°C
20…55°C
Condensation target for fan control
Evap Target=
2.0°C
-5…10°C
Evaporation target for fan control (A/C H/P only)