Daikin EWTP340MBYN [4/8] Efining
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Daikin EWTP340MBYN [4/8] Efining

Daikin EWTP340MBYN [4/8] Efining
Addendum Installation and operation manual
3
Option Heat recovery
4PW27656-1
C
ONSULTING
THE
HEAT
RECOVERY
MODE
The "
 
" of the readout menu provides information
concerning the status of the different circuits:
■

actual status of circuit 1
■

actual status of circuit 2
When the circuit is "

", the following status information may appear:
■
   &
, the circuit is running on compressor
capacity of 40% in cooling mode.
■
    
, the circuit is running on compressor
capacity of 40% in heat recovery mode.
D
EFINING
THE
HEAT
RECOVERY
THERMOSTAT
SETTINGS
The "
 $%
" screen of the user settings allows the user to
define the heat recovery thermostat settings:
The heat recovery thermostat setting mentioned above are only
available if the heat recovery thermostat function of the
controller is selected, refer to the chapter "Defining the heat
recovery mode" on page 2.
D
EFINING
HEAT
RECOVERY
PUMP
SETTINGS
The "
 $%
" screen of the user settings allows the user to
define the heat recovery pump-lag time.
The setting "
 & '(
" is used to define the time that the
heat recovery pump keeps running after the unit has been switched
from heat recovery mode to cooling mode.
TROUBLESHOOTING OF INVERTER WITH THE
S
TATUS DISPLAY PANEL
The operating status of the inverter is indicated by the green and
yellow LEDs on the Status Display Panel. These LEDs indicate the
following warnings and fault states.
R1 - On time 900 msec.
R2 - On time 300 msec.
Heat recovery mode
YES
NO
Default Minimum Maximum
 
Condenser inlet
water temperature
———
  
Condenser inlet
setpoint
45.0°C 30.0°C 70.0°C
 &
Difference 3.0°C 2.0°C 5.0°C
 &
   
Only a licensed electrician is allowed to carry out an
inspection on the status display panel as this inspection
requires the switch box to be opened.
Green LED Yellow LED
Priority
display
Drive status definitions
OFF OFF 1 Mains not present
OFF ON 8
Inverter fault - other than the ones
listed below
ON OFF 13 Inverter running
ON ON 14 Ready to run - standby
OFF Flashing -R1 4 Fault overcurrent
Flashing -R1 OFF 5 Fault overvoltage
Flashing -R1 ON 7 Fault motor overtemperature
ON Flashing -R1 8 Fault inverter overtemperature
Flashing -R1 Flashing -R1 9
Warning current limit - Both LEDs
are flashing at the same time
Flashing -R1 Flashing -R1 11
Other warnings - Both LEDs are
flashing alternately
Flashing -R1 Flashing -R2 6 /10
Undervoltage trip/undervoltage
warning
Flashing -R2 Flashing -R1 12 Drive is not ready - Display state >0
Flashing -R2 Flashing -R2 2
ROM failure - Both LEDs are
flashing at the same time
Flashing -R2 Flashing -R2 3
RAM failure - Both LEDs are
flashing alternately
1
2
1 Green LED
2 Yellow LED

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