4
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Components
Service manual
169
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
2
Route the expansion valve coil harness towards the appropriate PCB.
3
Connect the expansion valve coil connector to the appropriate PCB.
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
4
Fix the expansion valve coil harness using new tie straps.
5
Install the insulation cap on the expansion valve coil (if applicable).
Is the problem solved?
Action
Yes
No further actions required.
No
Return to
162] of the expansion
valve and continue with the next
procedure.
4.10 Flow switch
4.10.1 Checking procedures
To perform an electrical check of the flow switch
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Check that the flow switch is correctly installed. The arrow MUST point in the
direction of the water flow. Correct as needed.
2
Turn ON the power of the unit.
3
With the unit powered ON but NOT operating, disconnect the flow switch
connector X45A from the hydro PCB.
4
Measure the voltage on the connector on the hydro PCB.
Result:
The measured voltage MUST be approximately 16 V DC.
Is measured voltage correct?
Then
Yes
Continue with the next step.
No
Perform a check of the hydro PCB, see
175].
5
Make sure that the unit is NOT operating, and there is NO water flow.
6
Measure the resistance on the (disconnected) flow switch connector.
Result:
The flow switch MUST be open (OL).
7
Activate
Installer
on the user interface. See the installer reference guide
for the correct procedure.
8
Go to
Actuator test run
via the user interface.
9
Activate the
Pump
.
10
Make sure to select high speed and check that the water flow is >15 L/min.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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