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3
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Components
Service manual
155
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
b
c
c
d
e
a
a
Expansion valve coil
b
Metal bracket
c
Nipple
d
Notch
e
Expanion valve body
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
149] of the expansion
valve and continue with the next
procedure.
3.10 Flow switch
3.10.1 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
Turn ON the power of the unit.
2
With the unit powered ON but NOT operating, disconnect the flow switch
connector X45A from the hydro PCB.
3
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.
Содержание ALTHERMA
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