![Daikin EKOMBG22ABV1 Installation Instructions Manual Download Page 45](http://html1.mh-extra.com/html/daikin/ekombg22abv1/ekombg22abv1_installation-instructions-manual_3357012045.webp)
Daikin Europe NV
47
No electrical supply (24 V).
Yes
Replace the faulty controller. Check the wiring in accordance with the diagram.
Check the connector X4.
Replace the faulty controller.
8.3.4
The power is reduced
Possible causes:
Solution:
At high rpm, the power has decreased.
Yes
Clean the unit and siphon.
Check the flue tube and the air supply system.
8.3.5
CH is not reaching correct temperature
Possible causes:
Solution:
Water pressure in installation is too low.
Yes
Top up the installation. See par. 6.1.1.
No
Room thermostat is not set correctly.
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
No flow through the installation.
Yes
Check the ΔT (± 20° C) between the supply and return CH. Ensure there is good
flow through the installation.
No
The boiler power is not set correctly.
Yes
Adjust the boiler power. See Setting maximum CH power.
No
No heat transfer due to contamination in the CH
boiler/installation.
Yes
Rinse the CH boiler/installation on the side of the CH.
8.3.6
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.
8.3.7
DHW is not reaching the correct temperature
Possible causes:
Solution:
Tap flow too high.
Yes
Reduce the tap flow. Check the dosing disk (EKOMBG22ABV1 and
EKOMBG28ABV1)
No
DHW temperature set too low.
Yes
Increase the DHW temperature, see par. 7.1.
CH installation becomes hot during tapping.
Yes
Unwanted circulation in the ch circuit during hot water request 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.
No
Insufficient heat transfer due to lime scale or
contamination in the CH boiler on DHW side.
Yes
Remove lime scale or rinse the CH boiler on the DHW side.
Summary of Contents for EKOMBG22ABV1
Page 29: ...Daikin Europe NV 31...
Page 82: ...Daikin Europe NV 31...
Page 136: ...Daikin Europe NV 32...
Page 189: ...Daikin Europe NV 31...
Page 242: ...Daikin Europe NV 32...
Page 295: ...Daikin Europe NVs GmbH 31...
Page 347: ...Daikin Europe NV 31...
Page 372: ...Daikin Europe NV 4 Daikin EKOMBG22ABV1 EKOMBG28ABV1 EKOMBG33ABV1 CH DHW O...
Page 377: ...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 381: ...Daikin Europe NV 13 4 2 1 2 cm O 4 2 1 50 cm2 4 2 2 A 1 2 70 C a b DHW c d e...
Page 382: ...Daikin Europe NV 14 4 3 EKVK4AA B 4 3 1 4 3 2...
Page 387: ...Daikin Europe NV 19 5 3 1 3 mm 1 2 A 3 1 4 2 5 6 10 2 7 8 5 3 1 X4 6 7 11 12 8 9 6 7...
Page 389: ...Daikin Europe NV 21 RF CH 5 RF CH 2 C rF L RF RF 1 5 4 4 10 1 7 5 5 5 1 1 2 2 3 4 50 mbar 5...
Page 391: ...Daikin Europe NV 23 5 2 CE B23 B33 C13 C33 C43 CLV C53 C63 CE...
Page 398: ...Daikin Europe NV 30 5 5 5 O 1 5 3 250 mm 2000 mm 1000 mm 1 500 mm...
Page 399: ...Daikin Europe NV 31...
Page 405: ...Daikin Europe NV 37 6 3 1 2 3 4 5 6 6 3 1 10 2...
Page 406: ...Daikin Europe NV 38 7 7 1 LED CH bar q 0 Su Et q LED Eco LED LED 8 2 LED 2 LED LED LED 30...
Page 414: ...Daikin Europe NV 46 8 3 8 3 1 7 7 7 8 8 3 2 20 mbar 7 7 7 8 8 3 3 CH 10 1 OpenTherm CH RF 80...
Page 417: ...Daikin Europe NV 49 9 9 1 1 1 2 3 4 5 6 7 1 2 3 8 4 5 6 9 10 11 Allen 12 9 1 2 1 2 3 4 5...
Page 418: ...Daikin Europe NV 50 9 1 3 1 2 O 10 12 Nm 3 4 5 6 1 2 3 A 7 8 9 10 CH 11 12 13 14 7 7 7 8 15 16...
Page 423: ...Daikin Europe NV 55 11 Daikin Europe NV CH...
Page 424: ...008 1548499_04 05 2022 88550712...