3 | Components
Service manual
270
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
3.22.2 Repair procedures
To remove the water flow sensor wiring harness
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Disconnect the connector from the water flow sensor.
2 Disconnect the other end of the wiring harness from the hydro PCB.
3 Cut all tie straps that fix the wiring harness, and remove the wiring harness
from the unit.
4 To install the water flow sensor wiring harness, see "3.22.2 Repair
procedures"[4270].
To install the water flow sensor wiring harness
1 Connect the wiring harness to the connector X4A on the hydro PCB.
2 Route the wiring harness towards the water flow sensor and connect the
wiring harness to the water flow sensor.
3 Fix the wiring harness using new tie straps.
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
To remove the water flow sensor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see "3.17Plate work"[4230].
2 Drain the water circuit, see "4.3.2Repair procedures"[4302].
3 Loosen the water flow sensor connector nut.
a Water flow sensor connector nut
b Clip
c Water flow sensor
4 Unplug the water flow sensor harness from the water flow sensor.