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Components
Service manual
252
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
b
Nut
c
Water pump
2
Fix the water circuit pipes to the water pump by tightening the upper and
lower nuts.
CAUTION
Use a counterforce when unscrewing or tightening the nuts to make sure NOT to
damage the piping.
3
Connect the connectors to the water pump motor.
4
Open the valve (if equipped) of the water circuit towards the expansion vessel.
CAUTION
Make sure to open the valve (if equipped) towards the expansion vessel, otherwise
the overpressure will be generated.
5
Open the stop valves and add water to the water circuit if needed, see
269].
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 pump 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
202].
1
Disconnect the appropriate connector (power supply connector and/or PWM
signal connector) from the water pump.
2
Disconnect the other end of the wiring harness from the appropriate
connector:
▪
X16A on hydro PCB for power supply wiring harness
▪
X25A on hydro PCB for PWM signal wiring harness
3
Cut all tie straps that fix the wiring harness, and remove the wiring harness
from the unit.
4
To install the water pump appropriate wiring harness, see
To install the water pump wiring harness
1
Connect the wiring harness to the appropriate connector:
▪
X16A on hydro PCB for power supply wiring harness
▪
X25A on hydro PCB for PWM signal wiring harness
2
Route the wiring harness towards the water pump and connect the wiring
harness to the appropriate connector (power supply and/or PWM signal) of
the water pump.
3
Fix the wiring harness using new tie straps.
Is the problem solved?
Action
Yes
No further actions required.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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