Daikin Europe NV
50
9.3.4
The power is reduced
Possible causes:
Solution:
At a high level of rpm, the power has decreased
by more than 5%.
Yes
Check the unit
,
siphon and output system for contamination.
Clean unit, siphon and output system.
9.3.5
CH is not reaching correct temperature
Possible causes:
Solution:
Water pressure in installation is too low
Yes
Fill up the installation.
No
Setting of room thermostat is not correct.
Yes
Check the setting and adjust if required.
No
Temperature is set too low.
Yes
Increase the CH temperature. See Operation CH. If there is an outdoor sensor:
Check the outdoor sensor for short circuit: rectify this.
No
Pump does not run properly. Pump setting is
too low.
Yes
Increase the pump setting or replace the pump.
No
No flow through the installation.
Yes
Check whether there is a flow through the installation: at least 2 or 3 radiators must
be open.
No
The boiler power is not set for the installation.
Yes
Adjust the power. See Setting maximum CH power.
No
No heat transfer due to contamination in the
exchanger/installation.
Yes
Rinse the exchanger/installation on the side of the CH.
9.3.6
No domestic hot water
Possible causes:
Solution:
The service display shows nothing.
Yes
Check whether the plug is in the socket.
No
The service display shows nothing.
Yes
Check the fuse, see Electrical diagram par. 10.1
No
Flow sensor does not work.
Yes
Replace the flow sensor.
No
Tap flow < 1,5 l/min.
Yes
Increase the tap flow.
No
No electricity supply on flow sensor (5V DC).
Yes
Check the wiring in accordance with the diagram.
No
S3 faulty.
Yes
Replace S3.
No
The thermostatic shower or bath tap is faulty.
Yes
The thermostatic tap only lets through cold water. This means the tap flow through
the boiler remains under 1,5. l/min. Check the thermostatic tap.
9.3.7
DHW is not reaching the correct temperature
Possible causes:
Solution/cause:
Tap flow too high.
Yes
Reduce the tap flow. Check the dosing disk (EKOMB22AAV1H and
EKOMB28AAV1H)
No
CH becomes hot during tapping.
Yes
Unwanted circulation in the CH circuit due to thermosiphon effect or second pump in
the CH circuit. Install a check valve in case of thermosiphon effect or a two-way
valve in case of a second pump.
DHW temperature set too low.
Yes
Increase the DHW temperature, see par. 7.1.
No
Summary of Contents for EKOMB22AAV1H
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Page 394: ...Daikin Europe NV 4 Daikin EKOMB22AAV1H EKOMB28AAV1H EKOMB33AAV1H CH DHW O...
Page 399: ...Daikin Europe NV 9 3 A CH L B C M D S1 N X4 E S2 O F P S3 G Q H R I 230 V S J T K U...
Page 403: ...Daikin Europe NV 13 4 2 1 2 cm 4 2 1 50 cm2 4 2 2 A 1 2 70 C a b DHW c d e...
Page 404: ...Daikin Europe NV 14 4 3 EKVK4AA B 4 3 1 4 3 2 B...
Page 405: ...Daikin Europe NV 15 4 3 3 1 2 A B C 3 4 5 6 B 7 8 9 D E 10 D F 11 5 6 12 4 3 4...
Page 407: ...Daikin Europe NV 17 D CH A 55 C B X4 6 7 10 1 7 4 7 3 C o 0 3 P 5 2 3...
Page 414: ...Daikin Europe NV 24 5 7 CE B23 B33 C13 C33 C43 CLV C53 C63 CE...
Page 421: ...Daikin Europe NV 31 5 10 5 O 1 5 3 250 mm 2000 mm 1000 mm 1 500 mm...
Page 422: ...Daikin Europe NV 32 5 10 6 C83 O A B EKOMB22AAV1H 100 m EKOMB28AAV1H 85 m EKOMB33AAV1H 80 m...
Page 429: ...Daikin Europe NV 39 6 3 1 2 3 4 5 6 6 3 1 10 2...
Page 431: ...Daikin Europe NV 41 30 C 90 C 80 C LED 40 C 65 C 60 C...
Page 439: ...Daikin Europe NV 50 8 3 8 3 1 8 3 2 8 3 3 CH OpenTherm 80 1 X2 24 V X4...
Page 442: ...Daikin Europe NV 53 9 9 1 1 1 2 3 4 5 6 7 1 2 3 8 4 5 6 9 10 11 Allen 12 13 9 1 2 1 2 3 4 5...
Page 447: ...Daikin Europe NV 58 11 Daikin Europe NV CH...
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